GB8712617D0 - Tobacco smoke filters - Google Patents

Tobacco smoke filters

Info

Publication number: GB8712617D0
Authority: GB; United Kingdom
Prior art keywords: tobacco smoke; smoke filters; filters; tobacco; smoke
Prior art date: 1987-05-28
Legal status (The legal status 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 status listed.): Pending

Application number

GB878712617A

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

British American Tobacco Investments Ltd

Original Assignee

British American Tobacco Co Ltd

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

1987-05-28

Publication date

1987-07-01

1987-05-28 Application filed by British American Tobacco Co Ltd filed Critical British American Tobacco Co Ltd

1987-05-28 Priority to GB878712617A priority Critical patent/GB8712617D0/en

1987-07-01 Publication of GB8712617D0 publication Critical patent/GB8712617D0/en

1988-05-24 Priority to ZA883697A priority patent/ZA883697B/en

1988-05-24 Priority to CH1968/88A priority patent/CH677063A5/fr

1988-05-24 Priority to MW14/88A priority patent/MW1488A1/en

1988-05-25 Priority to FI882457A priority patent/FI882457A/en

1988-05-25 Priority to AU16596/88A priority patent/AU611906B2/en

1988-05-26 Priority to DK287988A priority patent/DK171907B1/en

1988-05-26 Priority to IT20750/88A priority patent/IT1219696B/en

1988-05-26 Priority to NL8801356A priority patent/NL8801356A/en

1988-05-26 Priority to DE3817889A priority patent/DE3817889A1/en

1988-05-26 Priority to IN363/MAS/88A priority patent/IN171503B/en

1988-05-26 Priority to NZ224797A priority patent/NZ224797A/en

1988-05-27 Priority to BR8802665A priority patent/BR8802665A/en

1988-05-27 Priority to FR888807107A priority patent/FR2615752B1/en

1988-05-27 Priority to CA000567911A priority patent/CA1293098C/en

1988-05-27 Priority to ES8801677A priority patent/ES2009926A6/en

1988-05-27 Priority to AR88310963A priority patent/AR245876A1/en

1988-05-27 Priority to AT0138888A priority patent/AT397757B/en

1988-05-27 Priority to GB8812699A priority patent/GB2205102B/en

1988-05-27 Priority to MYPI88000566A priority patent/MY102752A/en

1988-05-27 Priority to BE8800594A priority patent/BE1002913A5/en

1988-05-27 Priority to MX011666A priority patent/MX168986B/en

1988-05-30 Priority to ZW69/88A priority patent/ZW6988A1/en

1991-11-20 Priority to SG972/91A priority patent/SG97291G/en

1992-01-16 Priority to HK61/92A priority patent/HK6192A/en

1992-04-22 Priority to US07/872,020 priority patent/US5523036A/en

1992-07-10 Priority to CY1624A priority patent/CY1624A/en

Status Pending legal-status Critical Current

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)
Chemical Kinetics & Catalysis (AREA)
Engineering & Computer Science (AREA)
Materials Engineering (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)

GB878712617A 1987-05-28 1987-05-28 Tobacco smoke filters Pending GB8712617D0 (en)

Priority Applications (27)

Application Number	Priority Date	Filing Date	Title
GB878712617A GB8712617D0 (en)	1987-05-28	1987-05-28	Tobacco smoke filters
ZA883697A ZA883697B (en)	1987-05-28	1988-05-24	The manufacture of tobacco smoke filters
CH1968/88A CH677063A5 (en)	1987-05-28	1988-05-24
MW14/88A MW1488A1 (en)	1987-05-28	1988-05-24	Improvements relating to the manufacture of tobacco smoke filters
AU16596/88A AU611906B2 (en)	1987-05-28	1988-05-25	Improvements relating to the manufacture of tobacco smoke filters
FI882457A FI882457A (en)	1987-05-28	1988-05-25	FOERFARANDE FOER FRAMSTAELLNING AV TOBAKSFILTER.
DK287988A DK171907B1 (en)	1987-05-28	1988-05-26	Process for preparing a foamed filtration material
IT20750/88A IT1219696B (en)	1987-05-28	1988-05-26	IMPROVEMENTS RELATED TO THE MANUFACTURE OF TOBACCO SMOKE FILTERS
NL8801356A NL8801356A (en)	1987-05-28	1988-05-26	IMPROVEMENTS REGARDING THE MANUFACTURE OF TOBACCO SMOKE FILTERS.
DE3817889A DE3817889A1 (en)	1987-05-28	1988-05-26	METHOD FOR PRODUCING TOBACCO smoke filters
IN363/MAS/88A IN171503B (en)	1987-05-28	1988-05-26
NZ224797A NZ224797A (en)	1987-05-28	1988-05-26	Method for making foamed filtration materials for use in tobacco smoke filters
MX011666A MX168986B (en)	1987-05-28	1988-05-27	IMPROVEMENTS RELATED TO THE MANUFACTURE OF TOBACCO SMOKE FILTERS
BR8802665A BR8802665A (en)	1987-05-28	1988-05-27	METHOD FOR MANUFACTURING FOAM SHAPED FILTRATION MATERIAL
MYPI88000566A MY102752A (en)	1987-05-28	1988-05-27	Improvedments relating to the manufacture of tobacco smoke filters
CA000567911A CA1293098C (en)	1987-05-28	1988-05-27	Manufacture of tobacco smoke filters
ES8801677A ES2009926A6 (en)	1987-05-28	1988-05-27	Improvements relating to the manufacture of tobacco smoke filters
AR88310963A AR245876A1 (en)	1987-05-28	1988-05-27	Tobacco smoke filters
AT0138888A AT397757B (en)	1987-05-28	1988-05-27	METHOD FOR PRODUCING FOAMED FILTRATION MATERIAL
GB8812699A GB2205102B (en)	1987-05-28	1988-05-27	Improvements relating to the manufacture of tobacco smoke filters
FR888807107A FR2615752B1 (en)	1987-05-28	1988-05-27	MANUFACTURE OF TOBACCO SMOKE FILTERS
BE8800594A BE1002913A5 (en)	1987-05-28	1988-05-27	IMPROVEMENTS IN THE MANUFACTURE OF FILTERS FOR TOBACCO SMOKE.
ZW69/88A ZW6988A1 (en)	1987-05-28	1988-05-30	Improvements relating to the manufacture of tobacco filters
SG972/91A SG97291G (en)	1987-05-28	1991-11-20	Improvements relating to the manufacture of tobacco smoke filters
HK61/92A HK6192A (en)	1987-05-28	1992-01-16	Improvements relating to the manufacture of tobacco smoke filters
US07/872,020 US5523036A (en)	1987-05-28	1992-04-22	Methods of making tobacco smoke filter elements
CY1624A CY1624A (en)	1987-05-28	1992-07-10	Improvements relating to the manufacture of tobacco smoke filters

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
GB8712617D0 true GB8712617D0 (en)	1987-07-01

Family

ID=10618085

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
GB878712617A Pending GB8712617D0 (en)	1987-05-28	1987-05-28	Tobacco smoke filters
GB8812699A Expired - Lifetime GB2205102B (en)	1987-05-28	1988-05-27	Improvements relating to the manufacture of tobacco smoke filters

Family Applications After (1)

Application Number	Title	Priority Date	Filing Date
GB8812699A Expired - Lifetime GB2205102B (en)	1987-05-28	1988-05-27	Improvements relating to the manufacture of tobacco smoke filters

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 ZA ZA883697A patent/ZA883697B/en unknown
- 1988-05-24 MW MW14/88A patent/MW1488A1/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 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
- 1988-05-26 IT IT20750/88A patent/IT1219696B/en active
- 1988-05-26 NZ NZ224797A patent/NZ224797A/en unknown
- 1988-05-26 DE DE3817889A patent/DE3817889A1/en not_active Ceased
- 1988-05-27 AR AR88310963A patent/AR245876A1/en active
- 1988-05-27 GB GB8812699A patent/GB2205102B/en not_active Expired - Lifetime
- 1988-05-27 MX MX011666A patent/MX168986B/en unknown
- 1988-05-27 MY MYPI88000566A patent/MY102752A/en unknown
- 1988-05-27 BE BE8800594A patent/BE1002913A5/en not_active IP Right Cessation
- 1988-05-27 AT AT0138888A patent/AT397757B/en not_active IP Right Cessation
- 1988-05-27 ES ES8801677A patent/ES2009926A6/en not_active Expired
- 1988-05-27 FR FR888807107A patent/FR2615752B1/en not_active Expired - Lifetime
- 1988-05-27 BR BR8802665A patent/BR8802665A/en not_active IP Right Cessation
- 1988-05-27 CA CA000567911A patent/CA1293098C/en not_active Expired - Lifetime
- 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
NL8801356A (en)	1988-12-16
GB8812699D0 (en)	1988-06-29
FR2615752B1 (en)	1992-06-19
IT1219696B (en)	1990-05-24
FR2615752A1 (en)	1988-12-02
FI882457A (en)	1988-11-29
FI882457A0 (en)	1988-05-25
SG97291G (en)	1992-01-17
IN171503B (en)	1992-10-31
AU611906B2 (en)	1991-06-27
ZW6988A1 (en)	1989-02-08
DK287988A (en)	1988-11-29
AU1659688A (en)	1988-12-01
HK6192A (en)	1992-01-17
ZA883697B (en)	1989-02-22
MX168986B (en)	1993-06-16
BR8802665A (en)	1988-12-27
AR245876A1 (en)	1994-03-30
CA1293098C (en)	1991-12-17
NZ224797A (en)	1990-04-26
ATA138888A (en)	1993-11-15
ES2009926A6 (en)	1989-10-16
DK287988D0 (en)	1988-05-26
MY102752A (en)	1992-09-30
BE1002913A5 (en)	1991-08-06
MW1488A1 (en)	1989-01-11
DK171907B1 (en)	1997-08-11
GB2205102B (en)	1991-09-18
IT8820750A0 (en)	1988-05-26
CH677063A5 (en)	1991-04-15
AT397757B (en)	1994-06-27
CY1624A (en)	1992-07-10
DE3817889A1 (en)	1988-12-15
GB2205102A (en)	1988-11-30

Publication	Publication Date	Title
EP0292949A3 (en)	1990-11-07	Filter for tobacco smoking
PH25561A (en)	1991-08-08	Tobacco smoke filters
IL92739A0 (en)	1990-09-17	Highly efficient tobacco smoke filter
GB8721876D0 (en)	1987-10-21	Cigarette filter
GB8518385D0 (en)	1985-08-29	Tobacco smoke filters
GB8512427D0 (en)	1985-06-19	Tobacco smoke filter
GB2166937B (en)	1988-04-20	Tobacco smoke filters
GB2095093B (en)	1984-12-19	Tobacco smoke filters
GB2203324B (en)	1991-05-29	Ventilated cigarette filter
GB8712617D0 (en)	1987-07-01	Tobacco smoke filters
HUT47414A (en)	1989-03-28	Smoke filter for cigarette
DE3269792D1 (en)	1986-04-17	Tobacco smoke filters
GB8305936D0 (en)	1983-04-07	Tobacco smoke filter
IL67801A (en)	1985-11-29	Tobacco smoke filters
GB8413017D0 (en)	1984-06-27	Tobacco smoke filters
GB2150806B (en)	1987-12-31	Tobacco smoke filter
GB2115679B (en)	1985-09-11	Tobacco smoke filters
PH19162A (en)	1986-01-16	Tobacco smoke filters
GB8323512D0 (en)	1983-10-05	Tobacco smoke filters
GB8800818D0 (en)	1988-02-17	Cigarette filter
GB8413018D0 (en)	1984-06-27	Tobacco smoke filters
GB8703541D0 (en)	1987-03-25	Cigarette filters
GB8811808D0 (en)	1988-06-22	Cigarette filter
GB8510179D0 (en)	1985-05-30	Tobacco smoke filter
GB8301206D0 (en)	1983-02-16	Tobacco smoke filters