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US2538899A - Process for the production of batting material - Google Patents

Process for the production of batting material Download PDF

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Publication number
US2538899A
US2538899A US543794A US54379444A US2538899A US 2538899 A US2538899 A US 2538899A US 543794 A US543794 A US 543794A US 54379444 A US54379444 A US 54379444A US 2538899 A US2538899 A US 2538899A
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United States
Prior art keywords
cellulose
staple fibers
fibers
batting
assembly
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Expired - Lifetime
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US543794A
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Frederick G Dodge
Schneider George
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Celanese Corp
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Celanese Corp
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Priority to US543794A priority Critical patent/US2538899A/en
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Publication of US2538899A publication Critical patent/US2538899A/en
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    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H5/00—Non woven fabrics formed of mixtures of relatively short fibres and yarns or like filamentary material of substantial length
    • D04H5/06—Non woven fabrics formed of mixtures of relatively short fibres and yarns or like filamentary material of substantial length strengthened or consolidated by welding-together thermoplastic fibres, filaments, or yarns
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/907—Resistant against plant or animal attack
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10—Methods of surface bonding and/or assembly therefor
    • Y10T156/1052—Methods of surface bonding and/or assembly therefor with cutting, punching, tearing or severing
    • Y10T156/1056—Perforating lamina
    • Y10T156/1057—Subsequent to assembly of laminae
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2904—Staple length fiber
    • Y10T428/2907—Staple length fiber with coating or impregnation

Definitions

  • This invention relates to batting materials and relates more particularly to batting materials comprising staple fibers having a basis of thermoplastic materials, such as cellulose acetate or other organic derivative of cellulose.
  • An object of our invention is to provide improved batting materials comprising filaments or fibers of thermoplastic materials, such as cellulose a-cetate or other organic derivative of cellulose, which are capable of resisting any changes in structure during service.
  • Another object of our invention is the production of textile batting materials comprising staple fibers of thermoplastic materials, such as cellulose acetate or other organic derivative of cellulose, formed into a continuous web structure and suitable for use as comforters and the like.
  • Fig. 1 is a perspective view. of a novel batting material prepared in accordance with our invention.
  • Fig. 2 is a plan view of another textile batting material prepared in accordance with another embodiment of our invention.
  • the staple fiber materials employed for filling comforters, sleeping bags and the like and more particularly staple fiber materials having a basis of cellulose acetate or other organic derivative of cellulose may be anchored within their structure and undue shifting thereof entirely prevented in a practical and efiicient manner.
  • these advantageous results may be achieved if the cellulose acetate or other organic derivative of cellulose staple fiber materials in the form of a batt are placed on a web of suitable material, or between webs of a suitable material, such as, for example, a fabric or a relatively thin film, and a suitable liquid having at least a softening or solvent action on the assem-- bly is then locally applied thereto.
  • the liquid may also be applied to the web covering the cellulose acetate or other organic derivative of cellulose staple fiber in any other convenient manner as by scoring the web on a pattern of crisscross-ed, straight or curved lines and allowing the solvent to pass through the scorings and to come into contact with the cellulose acetate fibers to soften them and to cause them to adhere lightly to the web covering as well as to each other.
  • the adhesion of the staple fibers forming the batting material to each other and to the fabric, film or other material in the outer layer effectively prevents the shifting or migration of the fibers and results in the maintenance of the fibers in their original structural relationship, i. e. the original structure of the batt is maintained. Since the fibers cannot move about freely, the original voluminous character of the batting material is also retained and the insulating characteristics do not decrease, regardless of the length and character of service.
  • Any suitable solvent liquids or liquid mixtures having a solvent action on the cellulose acetate or other organic derivative of cellulose staple fibers or web material may be employed.
  • suitable liquids there may be mentioned acetone, chloroform, ethylene dichloride, acetone and ethyl alcohol, acetone and methyl a1- cohol, ethylene dichloride and ethyl alcohol, ethylene dichloride and methyl alcohol, and methyl chloride and ethyl or methyl alcohol.
  • Fig. 1 illustrates a batting formed of cellulose acetate staple fibers indicated by reference numeral 3.
  • fabrics 4 and 5 which are preferably made a of or contain yarns of cellulose acetate or other organic derivative of cellulose material.
  • the assembly comprising the outer fabrics and the inner batting of fibers are all joined by means of a solvent locally applied at the various points indicated generally by reference numeral 6.
  • the union is effected by piercing the assembly at each of the several points in the pattern shown, or in any other desirable pattern, and allowing a small amount of a suitable solvent, such as acetone, to enter at each point.
  • a suitable solvent such as acetone
  • the staple fibers forming the batting may be anchored by scoring the assembly by means of a hollowed, pointed tool which acts as a reservoir for the solvent, the scorings being applied in a stra ght line pattern or curved pattern to yield a quilted effect as shown in Fig. 2.
  • the batting 3 formed of cellulose acetate staple fibers is placed between fabrics 4 and 5 and the solvent is applied by scoring the assembly in a series of substantiall parallel rows 7 and 8.
  • the solvent penetrates the fabric at the scorings, softens the cellulose acetate staple fibers at these points and on evaporation causes them to adhere to each other and to the fabric to form a firm, non-slipping or non-shifting quilted structure as shown.
  • the solvent may be applied by means of any suitable, sharply pointed instrument hollowed to form a reservoir for the solvent and the greater the pressure with a given quantity of solvent the greater will be the cohesion effected.
  • the anchored staple fiber batting materials prepared in accordance with the process of our invention may have a basis of other thermoplastic materials which are adapted to be softened by the action of liquid solvents thereon.
  • Such other thermoplastic materials may, for example, have a basis of polymerized vinyl derivatives or of synthetic linear polyamide condensation products, such as nylon. These materials may be softened by any suitable volatile solvent liquid having a softening eflect thereon.
  • cellulose esters such as cellulose propionate and cellulose butyrate
  • mixed esters such as cellulose acetate-propionate and cellulose acetate-butyrate
  • cellulose ethers such as ethyl cellulose and benzyl cellulose.
  • Process for the production of a batting material of loosely matted staple fibers wherein the migration of the staple fibers is restrained which comprises forming an assembly by interposing a batting material comprising loosely matted thermoplastic fibers having a basis of an organic derivative of cellulose between layers of fabric, piercing local areas of the assembly with a sharp instrument and simultaneously with the piercing of said assembly furnishing to the pierced areas a volatile liquid which is a solvent for said organic derivative of cellulose staple fibers, whereby the volatile liquid comes into immediate contact with the fabric layers and the staple fibers and effects a softening of the organic derivative of cellulose staple fibers and on the evaporation of the volatile liquid causes said staple fibers to be locally anchored to each other and to the fabric layers.
  • a batting material of loosely matted staple fibers wherein the migration of the staple fibers is restrained, which comprises forming an assembly by interposing a batting material comprising loosely matted thermoplastic fibers having a basis of cellulose acetate betwe..n layers of fabric, piercing local areas of the assembly with a sharp instrument and simultaneously with the piercing of said assembly furnishing to the pierced areas a volatile liquid which is a solvent for said cellulose acetate staple fibers, whereby the volatile liquid comes into immediate contact with the fabric layers and the staple fibers and effects a softening of the cellulose acetate staple fibers and on the evaporation of the voltatile liquid causes said staple fibers to be locally anchored to each other and to the fabric layers.
  • FREDERICK G DODGE. GEORGE SCHNEIDER.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Laminated Bodies (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)

Description

23, 1951 F. G. DODGE ETAL PROCESS FOR THE PRODUCTION OF BATTING MATERIAL Filed July 7, 1944 INVENTORS. GEORGE SCHNEIDER FREDERICK G DODGE fi WWW ATTORNEYS( Patented Jan. 23, 1951 PROCESS FOR THE PRODUCTION OF BATTING MATERIAL Frederick G. Dodge, La Vale, Md., and George Schneider, South Orange, N. J., assignors to Celanese Corporation of America, a corporation of Delaware Application July 7, 1944, Serial No. 543,794
2 Claims. ((1154-33) This invention relates to batting materials and relates more particularly to batting materials comprising staple fibers having a basis of thermoplastic materials, such as cellulose acetate or other organic derivative of cellulose.
An object of our invention is to provide improved batting materials comprising filaments or fibers of thermoplastic materials, such as cellulose a-cetate or other organic derivative of cellulose, which are capable of resisting any changes in structure during service.
Another object of our invention is the production of textile batting materials comprising staple fibers of thermoplastic materials, such as cellulose acetate or other organic derivative of cellulose, formed into a continuous web structure and suitable for use as comforters and the like.
Other objects of our invention will appear from the following detailed description and the accompanying drawing.
In the drawing,
Fig. 1 is a perspective view. of a novel batting material prepared in accordance with our invention, and
Fig. 2 is a plan view of another textile batting material prepared in accordance with another embodiment of our invention.
Like numerals indicate like parts throughout the views of the drawing.
Staple fibers having a basis of cellulose or other organic derivative of cellulose have proven to be quite valuable for use in comforters or the like due to their unique properties. Such fibers are vermin-proof and moth-proof. Moreover, they may be prepared in a form possessing any desired degree of crimp. Highly crimped staple fiber materials are capable of forming very substantial dead air spaces even though relatively small quantities are employed and they are, therefore, highly efiicient insulating materials. When employed in fOImiIlg batting materials for use in the manufacture of comforters, sleeping bags, and the like, cellulose acetate staple fiber materials, like other materials employed for such purposes tend to migrate in use, and this migration results in an uneven distribution of the staple fiber materials. Even stitching the staple fibers from which the batts are formed does not anchor the fibers firmly enough to prevent their shifting during used. To overcome this tendency to shift about, the staple fiber materials have been placed in small individual pockets, which are usually sewn within the comforter or sleeping bag. The filling and assembly of these pockets requires a large amount of labor since the pockets must be relatively small so as to eliminate an undesirable amount of shifting within the pockets themselves. If the staple fibers are not kept from shifting freely they will, of course, migrate and greatly lower the efiiciency of the comforter or sleeping bag as an insulating medium.
We have now discovered that the staple fiber materials employed for filling comforters, sleeping bags and the like, and more particularly staple fiber materials having a basis of cellulose acetate or other organic derivative of cellulose may be anchored within their structure and undue shifting thereof entirely prevented in a practical and efiicient manner. In accordance with our invention, these advantageous results may be achieved if the cellulose acetate or other organic derivative of cellulose staple fiber materials in the form of a batt are placed on a web of suitable material, or between webs of a suitable material, such as, for example, a fabric or a relatively thin film, and a suitable liquid having at least a softening or solvent action on the assem-- bly is then locally applied thereto. The fabric may be made of or contain yarns, filaments or fibers of cellulose.acetate or other organic derivative of cellulose material, or it may be woven of cotton, regenerated cellulose, silk, wool, linen or other textile material unafiected by the softening or solvent liquid applied thereto. Where a relatively thin film is employed as the web material, it may have a basis of cellulose acetate or other organic derivative of cellulose or it may comprise regenerated cellulose. The liquid may be applied as by piercing the Web containing the cellulose acetate staple fibers with a sharp pointed tool hollowed to form a reservoir for the solvent liquid and allowing a few drops of the same to enter at each point which is pierced. The liquid may also be applied to the web covering the cellulose acetate or other organic derivative of cellulose staple fiber in any other convenient manner as by scoring the web on a pattern of crisscross-ed, straight or curved lines and allowing the solvent to pass through the scorings and to come into contact with the cellulose acetate fibers to soften them and to cause them to adhere lightly to the web covering as well as to each other. The adhesion of the staple fibers forming the batting material to each other and to the fabric, film or other material in the outer layer effectively prevents the shifting or migration of the fibers and results in the maintenance of the fibers in their original structural relationship, i. e. the original structure of the batt is maintained. Since the fibers cannot move about freely, the original voluminous character of the batting material is also retained and the insulating characteristics do not decrease, regardless of the length and character of service.
Any suitable solvent liquids or liquid mixtures having a solvent action on the cellulose acetate or other organic derivative of cellulose staple fibers or web material may be employed. As examples of suitable liquids there may be mentioned acetone, chloroform, ethylene dichloride, acetone and ethyl alcohol, acetone and methyl a1- cohol, ethylene dichloride and ethyl alcohol, ethylene dichloride and methyl alcohol, and methyl chloride and ethyl or methyl alcohol.
In order further to illustrate our invention, reference is had to the accompanying drawing wherein there is shown an assembly of textile materials formed in accordance with our invention. Fig. 1 illustrates a batting formed of cellulose acetate staple fibers indicated by reference numeral 3. On the respective sides of the batting I are fabrics 4 and 5, which are preferably made a of or contain yarns of cellulose acetate or other organic derivative of cellulose material. The assembly comprising the outer fabrics and the inner batting of fibers are all joined by means of a solvent locally applied at the various points indicated generally by reference numeral 6. The union is effected by piercing the assembly at each of the several points in the pattern shown, or in any other desirable pattern, and allowing a small amount of a suitable solvent, such as acetone, to enter at each point. The resulting local coalescence of the cellulose acetate fibers causes them to be joined to each other and to the outer fabric, on evaporation of the solvent and firmly to anchor the fibers in a fixed position which results in a fixing of the staple fibers with respect to the covering webs.
In lieu of placing the solvent in the assembly of fabric and batting at spaced points by a pierclng operation, the staple fibers forming the batting may be anchored by scoring the assembly by means of a hollowed, pointed tool which acts as a reservoir for the solvent, the scorings being applied in a stra ght line pattern or curved pattern to yield a quilted effect as shown in Fig. 2. As in Fig. 2, the batting 3 formed of cellulose acetate staple fibers is placed between fabrics 4 and 5 and the solvent is applied by scoring the assembly in a series of substantiall parallel rows 7 and 8. The solvent penetrates the fabric at the scorings, softens the cellulose acetate staple fibers at these points and on evaporation causes them to adhere to each other and to the fabric to form a firm, non-slipping or non-shifting quilted structure as shown. The solvent may be applied by means of any suitable, sharply pointed instrument hollowed to form a reservoir for the solvent and the greater the pressure with a given quantity of solvent the greater will be the cohesion effected.
While our invention has been more particularly described in connection with the treatment of batting materials having a basis of staple fibers of cellulose acetate or other organic derivative of cellulose, the anchored staple fiber batting materials prepared in accordance with the process of our invention may have a basis of other thermoplastic materials which are adapted to be softened by the action of liquid solvents thereon. Such other thermoplastic materials may, for example, have a basis of polymerized vinyl derivatives or of synthetic linear polyamide condensation products, such as nylon. These materials may be softened by any suitable volatile solvent liquid having a softening eflect thereon.
Besides the cellulose acetate staple fibers mentioned above, other organic derivatives of cellulose of which said staple fiber materials may be formed are cellulose esters such as cellulose propionate and cellulose butyrate, mixed esters such as cellulose acetate-propionate and cellulose acetate-butyrate and cellulose ethers such as ethyl cellulose and benzyl cellulose.
It is to be understood that the foregoing detailed description is given merely by way of illustration and that many variations may be made therein without departing from the spirit of our invention.
Having described our invention what we desire to secure by Letters Patent is:
1. Process for the production of a batting material of loosely matted staple fibers wherein the migration of the staple fibers is restrained, which comprises forming an assembly by interposing a batting material comprising loosely matted thermoplastic fibers having a basis of an organic derivative of cellulose between layers of fabric, piercing local areas of the assembly with a sharp instrument and simultaneously with the piercing of said assembly furnishing to the pierced areas a volatile liquid which is a solvent for said organic derivative of cellulose staple fibers, whereby the volatile liquid comes into immediate contact with the fabric layers and the staple fibers and effects a softening of the organic derivative of cellulose staple fibers and on the evaporation of the volatile liquid causes said staple fibers to be locally anchored to each other and to the fabric layers.
2. Process for the productionof a batting material of loosely matted staple fibers, wherein the migration of the staple fibers is restrained, which comprises forming an assembly by interposing a batting material comprising loosely matted thermoplastic fibers having a basis of cellulose acetate betwe..n layers of fabric, piercing local areas of the assembly with a sharp instrument and simultaneously with the piercing of said assembly furnishing to the pierced areas a volatile liquid which is a solvent for said cellulose acetate staple fibers, whereby the volatile liquid comes into immediate contact with the fabric layers and the staple fibers and effects a softening of the cellulose acetate staple fibers and on the evaporation of the voltatile liquid causes said staple fibers to be locally anchored to each other and to the fabric layers.
FREDERICK G. DODGE. GEORGE SCHNEIDER.
REFERENCES CITED The following references are of record in the file of this patent:
UNITED STATES PATENTS Number Name Date 80,913 Chipman Aug. 11, 1868 166,262 Corwin Aug. 3, 1875 1,642,557 Reynolds Sept. 13, 1927 1,978,620 Brewster Oct. 30, 1934 2,039,312 Goldman May 5, 1936 2,174,534 Shipp Oct. 3, 1939 2,202,025 Reed May 28, 1940 2,252,999 Wallach Aug. 19, 1941 2,306,781 Francis Dec. 29, 1942 2,385,870 Lashar et a1. Oct. 2, 1945 2,399,258 Taylor Apr. 30, 1946 2,464,301 Francis Mar. 15, 1949

Claims (1)

1. PROCESS FOR THE PRODUCTION OF A BATTING MATERIAL OF LOOSELY MATTED STAPLE FIBERS WHEREIN THE MIGRATION OF THE STAPLE FIBERS IS RESTRAINED, WHICH COMPRISES FORMING AN ASSEMBLY BY INTERPOSING A BATTING MATERIAL COMPRISING LOOSELY MATTED THERMOPLASTIC FIBERS HAVING A BASIS OF AN ORGANIC DERIVATIVE OF CELLULOSE BETWEEN LAYERS OF FABRIC, PIERCING LOCAL AREAS OF THE ASSEMBLY WITH A SHARP INSTRUMENT AND SIMULTANEOUSLY WITH THE PIERCING OF SAID ASSEMBLY FURNISHING TO THE PIERCED AREAS A VOLATILE LIQUID WHICH IS A SOLVENT FOR SAID ORGANIC DERIVATIVE OF CELLULOSE STAPLE FIBERS, WHEREBY THE VOLATILE LIQUID COMES INTO IMMEDIATE CONTACT WITH THE FABRIC LAYERS AND THE STAPLE FIBERS AND EFFECTS A SOFTENING OF THE
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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2670567A (en) * 1951-05-12 1954-03-02 Vivitex Corp Table pad
US2689199A (en) * 1950-06-27 1954-09-14 Mario R Pesce Nonwoven fabrics
US2781820A (en) * 1953-08-05 1957-02-19 Celanese Corp Process for the production of insulating laminates and product
US2816054A (en) * 1953-04-13 1957-12-10 Permex Corp Quilted material
US2878481A (en) * 1955-11-25 1959-03-24 Siminow Benjamin Thermally insulated articles
US2897108A (en) * 1953-05-11 1959-07-28 Kimberly Clark Co Disposable absorbent pad
US2976601A (en) * 1955-10-07 1961-03-28 Celanese Corp Production of a cellulose staple fiber batting
US3062946A (en) * 1957-04-19 1962-11-06 Jet Heet Inc Methods and apparatus for manufacture of thermal blankets
US3180782A (en) * 1961-03-09 1965-04-27 Celanese Corp Textile material and method for making same
US3223567A (en) * 1959-02-19 1965-12-14 Johnson & Johnson Methods of making a non-adherent dressing
US20160214045A1 (en) * 2015-01-23 2016-07-28 Kirk S. Morris Filter media for filtering matter from a fluid
US11052338B2 (en) 2015-01-23 2021-07-06 Kirk S. Morris Systems and methods of filtering particulate matter from a fluid

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US80913A (en) * 1868-08-11 Improvement in carpet-lining
US166262A (en) * 1875-08-03 Improvement in imitation quilted fabrics
US1642557A (en) * 1925-08-24 1927-09-13 Daniel L Reynolds Nonstretchable mattress
US1978620A (en) * 1931-04-30 1934-10-30 Naugatuck Chem Co Sheet material and method of making the same
US2039312A (en) * 1935-03-15 1936-05-05 Joshua H Goldman Reenforced carded web
US2174534A (en) * 1936-04-22 1939-10-03 Du Pont Chemical process
US2202025A (en) * 1935-12-02 1940-05-28 Kendall & Co Collar, cuff, and the like and method of making same
US2252999A (en) * 1937-05-24 1941-08-19 Sylvania Ind Corp Article and process for the manufacture thereof
US2306781A (en) * 1941-07-17 1942-12-29 Sylvania Ind Corp Product containing siliceous fibers and method of making the same
US2385870A (en) * 1941-02-18 1945-10-02 Walter B Lashar Cushion
US2399258A (en) * 1943-03-20 1946-04-30 American Viscose Corp Novel filamentous product and method of making it
US2464301A (en) * 1943-12-18 1949-03-15 American Viscose Corp Textile fibrous product

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US80913A (en) * 1868-08-11 Improvement in carpet-lining
US166262A (en) * 1875-08-03 Improvement in imitation quilted fabrics
US1642557A (en) * 1925-08-24 1927-09-13 Daniel L Reynolds Nonstretchable mattress
US1978620A (en) * 1931-04-30 1934-10-30 Naugatuck Chem Co Sheet material and method of making the same
US2039312A (en) * 1935-03-15 1936-05-05 Joshua H Goldman Reenforced carded web
US2202025A (en) * 1935-12-02 1940-05-28 Kendall & Co Collar, cuff, and the like and method of making same
US2174534A (en) * 1936-04-22 1939-10-03 Du Pont Chemical process
US2252999A (en) * 1937-05-24 1941-08-19 Sylvania Ind Corp Article and process for the manufacture thereof
US2385870A (en) * 1941-02-18 1945-10-02 Walter B Lashar Cushion
US2306781A (en) * 1941-07-17 1942-12-29 Sylvania Ind Corp Product containing siliceous fibers and method of making the same
US2399258A (en) * 1943-03-20 1946-04-30 American Viscose Corp Novel filamentous product and method of making it
US2464301A (en) * 1943-12-18 1949-03-15 American Viscose Corp Textile fibrous product

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2689199A (en) * 1950-06-27 1954-09-14 Mario R Pesce Nonwoven fabrics
US2670567A (en) * 1951-05-12 1954-03-02 Vivitex Corp Table pad
US2816054A (en) * 1953-04-13 1957-12-10 Permex Corp Quilted material
US2897108A (en) * 1953-05-11 1959-07-28 Kimberly Clark Co Disposable absorbent pad
US2781820A (en) * 1953-08-05 1957-02-19 Celanese Corp Process for the production of insulating laminates and product
US2976601A (en) * 1955-10-07 1961-03-28 Celanese Corp Production of a cellulose staple fiber batting
US2878481A (en) * 1955-11-25 1959-03-24 Siminow Benjamin Thermally insulated articles
US3062946A (en) * 1957-04-19 1962-11-06 Jet Heet Inc Methods and apparatus for manufacture of thermal blankets
US3223567A (en) * 1959-02-19 1965-12-14 Johnson & Johnson Methods of making a non-adherent dressing
US3180782A (en) * 1961-03-09 1965-04-27 Celanese Corp Textile material and method for making same
US20160214045A1 (en) * 2015-01-23 2016-07-28 Kirk S. Morris Filter media for filtering matter from a fluid
US10722829B2 (en) 2015-01-23 2020-07-28 Kirk S. Morris Nonwoven sliver-based filter medium for filtering particulate matter
US11052338B2 (en) 2015-01-23 2021-07-06 Kirk S. Morris Systems and methods of filtering particulate matter from a fluid
US11896921B2 (en) 2015-01-23 2024-02-13 Kirk S. Morris Nonwoven sliver-based filter medium for filtering particulate matter
US12017170B2 (en) 2015-01-23 2024-06-25 Kirk S. Morris Systems and methods of filtering particulate matter from a fluid

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