IN171503B - - Google Patents

Info

Publication number: IN171503B
Authority: IN; India

Application number

IN363/MAS/88A

Inventor

Anthony Luke John

John Stone William

Original Assignee

British American Tobacco Co

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1987-05-28

Filing date

1988-05-26

Publication date

1992-10-31

1988-05-26 Application filed by British American Tobacco Co filed Critical British American Tobacco Co

1992-10-31 Publication of IN171503B publication Critical patent/IN171503B/en

Classifications

- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
- A24D3/06—Use of materials for tobacco smoke filters
- A24D3/08—Use of materials for tobacco smoke filters of organic materials as carrier or major constituent
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/14—Other self-supporting filtering material ; Other filtering material
- B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
- B01D39/1669—Cellular material
- B01D39/1676—Cellular material of synthetic origin
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
- C08J9/125—Water, e.g. hydrated salts
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2401/00—Characterised by the use of cellulose, modified cellulose or cellulose derivatives
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2403/00—Characterised by the use of starch, amylose or amylopectin or of their derivatives or degradation products

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Materials Engineering (AREA)
Chemical Kinetics & Catalysis (AREA)
Health & Medical Sciences (AREA)
Medicinal Chemistry (AREA)
Polymers & Plastics (AREA)
Organic Chemistry (AREA)
Extrusion Moulding Of Plastics Or The Like (AREA)
Cigarettes, Filters, And Manufacturing Of Filters (AREA)
Manufacture Of Tobacco Products (AREA)
Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)

IN363/MAS/88A 1987-05-28 1988-05-26 IN171503B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB878712617A GB8712617D0 (en)	1987-05-28	1987-05-28	Tobacco smoke filters

Publications (1)

Publication Number	Publication Date
IN171503B true IN171503B (en)	1992-10-31

Family

ID=10618085

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IN363/MAS/88A IN171503B (en)	1987-05-28	1988-05-26

Country Status (25)

Country	Link
AR (1)	AR245876A1 (en)
AT (1)	AT397757B (en)
AU (1)	AU611906B2 (en)
BE (1)	BE1002913A5 (en)
BR (1)	BR8802665A (en)
CA (1)	CA1293098C (en)
CH (1)	CH677063A5 (en)
CY (1)	CY1624A (en)
DE (1)	DE3817889A1 (en)
DK (1)	DK171907B1 (en)
ES (1)	ES2009926A6 (en)
FI (1)	FI882457A (en)
FR (1)	FR2615752B1 (en)
GB (2)	GB8712617D0 (en)
HK (1)	HK6192A (en)
IN (1)	IN171503B (en)
IT (1)	IT1219696B (en)
MW (1)	MW1488A1 (en)
MX (1)	MX168986B (en)
MY (1)	MY102752A (en)
NL (1)	NL8801356A (en)
NZ (1)	NZ224797A (en)
SG (1)	SG97291G (en)
ZA (1)	ZA883697B (en)
ZW (1)	ZW6988A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5523036A (en) *	1987-05-28	1996-06-04	British-American Tobacco Company Limited	Methods of making tobacco smoke filter elements
US5095054A (en) *	1988-02-03	1992-03-10	Warner-Lambert Company	Polymer compositions containing destructurized starch
US5022964A (en) *	1989-06-06	1991-06-11	The Dexter Corporation	Nonwoven fibrous web for tobacco filter
AT396862B (en) *	1991-10-22	1993-12-27	Austria Tabakwerke Ag	METHOD FOR PRODUCING A CELLULOSE ACETATE CABLE AND CIGARETTE FILTER THEREOF
GB9305066D0 (en) *	1993-03-12	1993-04-28	British American Tobacco Co	Improvements relating to filtration materials
GB9407715D0 (en) *	1994-04-19	1994-06-15	British American Tobacco Co	Improvements relating to tobacco smoke filter elements
DE19536505A1 (en) *	1995-09-29	1997-04-10	Biotec Biolog Naturverpack	Biodegradable filter material and process for its manufacture
DE10252823A1 (en) *	2002-11-13	2004-06-09	Biotec Biologische Naturverpackungen Gmbh & Co. Kg	filter element
US9226524B2 (en) *	2010-03-26	2016-01-05	Philip Morris Usa Inc.	Biopolymer foams as filters for smoking articles
CN110604961A (en) *	2019-09-16	2019-12-24	北京泽阳天成化工技术有限公司	Method and device for separating polymer in polypropylene production process

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3836615A (en) *	1966-07-01	1974-09-17	Celanese Corp	Method of forming cylindrical foamed cellulose rods enclosed in a rigid skin
GB1183498A (en) *	1967-10-24	1970-03-04	British American Tobacco Co	Improvements relating to Tobacco-Smoke Filters
GB1279803A (en) *	1968-10-30	1972-06-28	Monsanto Chemicals	Smoke-filtering elements
GB1319636A (en) *	1969-08-12	1973-06-06	British American Tobacco Co	Tobacco smoke filters and filter production
US3800808A (en) *	1971-11-26	1974-04-02	Brown & Williamson Tobacco	Tobacco smoke filter
US3976605A (en) *	1974-03-28	1976-08-24	Sumitomo Chemical Company, Limited	Foamed plastics of resin compositions comprising pullulan type resins and thermoplastic resins and process for producing the same
GB1482216A (en) *	1974-04-11	1977-08-10	Monsanto Ltd	Cigarette filters
NL7503298A (en) *	1974-09-13	1976-03-16	Toyo Soda Manufacturing Co Ld	PROCEDURE FOR MANUFACTURE OF A PERMEABEL PRODUCT AND PRODUCT SUCHAINED.
US4180536A (en) *	1978-03-13	1979-12-25	Celanese Corporation	Process for extruding plasticized open cell foamed cellulose acetate filters
US4411280A (en) *	1981-09-11	1983-10-25	Celanese Corporation	Ventilated thermoplastic polymer foam filter rods
DE3472565D1 (en) *	1983-03-23	1988-08-11	Chuo Kagaku Co	Production of resin foam by aqueous medium

1987
- 1987-05-28 GB GB878712617A patent/GB8712617D0/en active Pending
1988
- 1988-05-24 MW MW14/88A patent/MW1488A1/en unknown
- 1988-05-24 ZA ZA883697A patent/ZA883697B/en unknown
- 1988-05-24 CH CH1968/88A patent/CH677063A5/fr not_active IP Right Cessation
- 1988-05-25 AU AU16596/88A patent/AU611906B2/en not_active Ceased
- 1988-05-25 FI FI882457A patent/FI882457A/en not_active Application Discontinuation
- 1988-05-26 DE DE3817889A patent/DE3817889A1/en not_active Ceased
- 1988-05-26 NZ NZ224797A patent/NZ224797A/en unknown
- 1988-05-26 IT IT20750/88A patent/IT1219696B/en active
- 1988-05-26 DK DK287988A patent/DK171907B1/en not_active IP Right Cessation
- 1988-05-26 NL NL8801356A patent/NL8801356A/en not_active Application Discontinuation
- 1988-05-26 IN IN363/MAS/88A patent/IN171503B/en unknown
- 1988-05-27 AT AT0138888A patent/AT397757B/en not_active IP Right Cessation
- 1988-05-27 CA CA000567911A patent/CA1293098C/en not_active Expired - Lifetime
- 1988-05-27 ES ES8801677A patent/ES2009926A6/en not_active Expired
- 1988-05-27 BR BR8802665A patent/BR8802665A/en not_active IP Right Cessation
- 1988-05-27 AR AR88310963A patent/AR245876A1/en active
- 1988-05-27 FR FR888807107A patent/FR2615752B1/en not_active Expired - Lifetime
- 1988-05-27 MY MYPI88000566A patent/MY102752A/en unknown
- 1988-05-27 GB GB8812699A patent/GB2205102B/en not_active Expired - Lifetime
- 1988-05-27 BE BE8800594A patent/BE1002913A5/en not_active IP Right Cessation
- 1988-05-27 MX MX011666A patent/MX168986B/en unknown
- 1988-05-30 ZW ZW69/88A patent/ZW6988A1/en unknown
1991
- 1991-11-20 SG SG972/91A patent/SG97291G/en unknown
1992
- 1992-01-16 HK HK61/92A patent/HK6192A/en not_active IP Right Cessation
- 1992-07-10 CY CY1624A patent/CY1624A/en unknown

Also Published As

Publication number	Publication date
SG97291G (en)	1992-01-17
IT1219696B (en)	1990-05-24
AU1659688A (en)	1988-12-01
AU611906B2 (en)	1991-06-27
ZA883697B (en)	1989-02-22
DK287988D0 (en)	1988-05-26
MW1488A1 (en)	1989-01-11
ZW6988A1 (en)	1989-02-08
GB8712617D0 (en)	1987-07-01
GB2205102B (en)	1991-09-18
DE3817889A1 (en)	1988-12-15
DK171907B1 (en)	1997-08-11
NZ224797A (en)	1990-04-26
ES2009926A6 (en)	1989-10-16
AT397757B (en)	1994-06-27
GB2205102A (en)	1988-11-30
FI882457A (en)	1988-11-29
FR2615752A1 (en)	1988-12-02
HK6192A (en)	1992-01-17
CY1624A (en)	1992-07-10
ATA138888A (en)	1993-11-15
CA1293098C (en)	1991-12-17
BE1002913A5 (en)	1991-08-06
AR245876A1 (en)	1994-03-30
FI882457A0 (en)	1988-05-25
GB8812699D0 (en)	1988-06-29
IT8820750A0 (en)	1988-05-26
BR8802665A (en)	1988-12-27
MY102752A (en)	1992-09-30
MX168986B (en)	1993-06-16
CH677063A5 (en)	1991-04-15
FR2615752B1 (en)	1992-06-19
DK287988A (en)	1988-11-29
NL8801356A (en)	1988-12-16

Publication	Publication Date	Title
FR2620023B1 (en)	1995-04-14
DE3876178D1 (en)	1993-01-07
GR3004889T3 (en)	1993-04-28
FR2624411B1 (en)	1995-03-10
DE3844824A1 (en)	1991-12-12
FR2621100B1 (en)	1993-02-26
GR3004356T3 (en)	1993-03-31
FR2614881B1 (en)	1995-02-10
FR2612326B1 (en)	1993-02-26
FR2618223B1 (en)	1994-08-19
GR3004355T3 (en)	1993-03-31
FR2611087B1 (en)	1995-02-24
FR2622325B1 (en)	1993-02-26
DE3882318D1 (en)	1993-08-19
DE3790883T1 (en)	1988-12-08
GR3004490T3 (en)	1993-03-31
FR2615704B1 (en)	1994-11-18
GR3004793T3 (en)	1993-04-28
GR3004620T3 (en)	1993-04-28
FR2613472B1 (en)	1994-04-22
FR2622148B1 (en)	1995-03-03
FR2613132B1 (en)	1994-08-19
IN166960B (en)	1990-08-11
FR2621205B1 (en)	1994-08-19
FR2619425B1 (en)	1995-03-10