HK8785A - Improved cigarette filter - Google Patents

Improved cigarette filter

Info

Publication number
HK8785A
HK8785A HK87/85A HK8785A HK8785A HK 8785 A HK8785 A HK 8785A HK 87/85 A HK87/85 A HK 87/85A HK 8785 A HK8785 A HK 8785A HK 8785 A HK8785 A HK 8785A
Authority
HK
Hong Kong
Prior art keywords
cigarette filter
improved cigarette
improved
filter
cigarette
Prior art date
Application number
HK87/85A
Other languages
English (en)
Inventor
Robert R Johnson
Daniel V Cantrell
Original Assignee
Brown & Williamson Tobacco
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.)
Filing date
Publication date
Application filed by Brown & Williamson Tobacco filed Critical Brown & Williamson Tobacco
Publication of HK8785A publication Critical patent/HK8785A/xx

Links

Classifications

    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24DCIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/04Tobacco smoke filters characterised by their shape or structure
    • A24D3/043Tobacco smoke filters characterised by their shape or structure with ventilation means, e.g. air dilution
    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24DCIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/02Manufacture of tobacco smoke filters
    • A24D3/0275Manufacture of tobacco smoke filters for filters with special features
    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24DCIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D1/00Cigars; Cigarettes
    • A24D1/02Cigars; Cigarettes with special covers
    • A24D1/027Cigars; Cigarettes with special covers with ventilating means, e.g. perforations
HK87/85A 1980-11-21 1985-01-31 Improved cigarette filter HK8785A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/208,951 US4362171A (en) 1980-11-21 1980-11-21 Cigarette filter

Publications (1)

Publication Number Publication Date
HK8785A true HK8785A (en) 1985-02-08

Family

ID=22776728

Family Applications (1)

Application Number Title Priority Date Filing Date
HK87/85A HK8785A (en) 1980-11-21 1985-01-31 Improved cigarette filter

Country Status (42)

Country Link
US (1) US4362171A (xx)
JP (1) JPS57110184A (xx)
KR (1) KR830006940A (xx)
AR (1) AR225845A1 (xx)
AT (1) ATA456981A (xx)
AU (1) AU541394B2 (xx)
BE (1) BE890914A (xx)
BG (1) BG38485A3 (xx)
BR (1) BR8107539A (xx)
CA (1) CA1166924A (xx)
CH (1) CH654986A5 (xx)
CS (1) CS225147B2 (xx)
DE (1) DE3143965A1 (xx)
DK (1) DK160400C (xx)
EG (1) EG15083A (xx)
ES (1) ES270888Y (xx)
FI (1) FI70778C (xx)
FR (1) FR2494566A1 (xx)
GB (1) GB2088191B (xx)
GR (1) GR76319B (xx)
HK (1) HK8785A (xx)
HU (1) HU187469B (xx)
IE (1) IE52304B1 (xx)
IL (1) IL64270A0 (xx)
IN (1) IN157509B (xx)
IT (1) IT1139808B (xx)
KE (1) KE3470A (xx)
LU (1) LU83726A1 (xx)
MX (1) MX152732A (xx)
MY (1) MY8500874A (xx)
NL (1) NL191252C (xx)
NO (1) NO153871C (xx)
NZ (1) NZ198848A (xx)
PH (1) PH18515A (xx)
PL (1) PL129929B1 (xx)
SE (1) SE450328B (xx)
SG (1) SG68684G (xx)
SU (1) SU1184430A3 (xx)
TR (1) TR21005A (xx)
YU (1) YU259381A (xx)
ZA (1) ZA817589B (xx)
ZW (1) ZW26581A1 (xx)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4446878A (en) * 1981-09-21 1984-05-08 Brown & Williamson Tobacco Corporation Cigarette filter
US4724848A (en) * 1982-08-18 1988-02-16 British-American Tobacco Company Limited Smoking article filters
GB2126073B (en) * 1982-09-01 1986-06-18 Imp Group Plc Tipping assembly for an elongate smoking article
US4649944A (en) * 1982-09-30 1987-03-17 Philip Morris Incorporated Filter cigarette
US4526183A (en) * 1982-09-30 1985-07-02 Philip Morris Incorporated Filter cigarette
US4570649A (en) * 1982-09-30 1986-02-18 Philip Morris Incorporated Filter cigarette
US4532943A (en) * 1982-09-30 1985-08-06 Philip Morris Incorporated Adjustable filter cigarette
US4527573A (en) * 1982-11-05 1985-07-09 Philip Morris Incorporated Filter cigarette
GB8330894D0 (en) * 1983-11-18 1983-12-29 British American Tobacco Co Smoking-article mouthpiece elements
US4620557A (en) * 1983-12-05 1986-11-04 Brown & Williamson Tobacco Corporation Cigarette having a mouthpiece and method of making same
US4542754A (en) * 1983-12-05 1985-09-24 Brown & Williamson Tobacco Corporation Filtered cigarette
US4580584A (en) * 1984-02-21 1986-04-08 Brown & Williamson Tobacco Corporation Cigarette filter
DE3408415A1 (de) * 1984-03-08 1985-09-19 H.F. & Ph.F. Reemtsma Gmbh & Co, 2000 Hamburg Filtercigarette mit ventiliertem hohlmundstueck
GB8407671D0 (en) * 1984-03-23 1984-05-02 Brritish American Tobacco Co L Smoking article mouth-piece elements
US4617946A (en) * 1984-11-09 1986-10-21 Brown & Williamson Tobacco Corporation Tobacco smoke mouthpiece and method of making same
GB8429104D0 (en) * 1984-11-17 1984-12-27 British American Tobacco Co Tobacco smoke filters
US4649943A (en) * 1985-02-11 1987-03-17 Brown & Williamson Tobacco Corporation Cigarette filter and method of making the same
US4681125A (en) * 1985-03-06 1987-07-21 Brown & Williamson Tobacco Corporation Mouthpiece for tobacco smoke article
GB8531659D0 (en) * 1985-12-23 1986-02-05 British American Tobacco Co Smoking articles
US4708150A (en) * 1986-08-25 1987-11-24 Brown & Williamson Tobacco Corporation Cigarette filter
GB8713904D0 (en) * 1987-06-15 1987-07-22 Tabac Fab Reunies Sa Filter for smoking articles
US5178166A (en) * 1990-09-20 1993-01-12 Philip Morris Incorporated Filter cigarette
US5195543A (en) * 1991-10-28 1993-03-23 American Filtrona Corporation Balanced flow tobacco smoke filter
US5392792A (en) * 1993-04-13 1995-02-28 R. J. Reynolds Tobacco Company Reduced gas phase cigarette
AU2006202993B2 (en) * 2001-12-18 2007-09-20 British American Tobacco (Investments) Limited Ventilated smoking article
DE50111161D1 (de) * 2001-12-18 2006-11-16 Bat Cigarettenfab Gmbh Filter für einen rauchbaren Artikel
GB0809865D0 (en) 2008-05-30 2008-07-09 British American Tobacco Co Filter for a smoking article
US9848636B2 (en) 2013-09-05 2017-12-26 Lorillard Tobacco Company Filter components, filters, smoking articles, and related methods, all for the controlled delivery of aerosols

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3490461A (en) * 1967-04-20 1970-01-20 Philip Morris Inc Cigarette ventilation
FR1531543A (fr) * 1967-05-22 1968-07-05 Seita Nouvel embout pour produits à fumer
FR2142412A5 (xx) * 1972-06-13 1973-01-26 Seita
US3910288A (en) * 1973-02-27 1975-10-07 Brown & Williamson Tobacco Programmed filter
GB1428018A (en) * 1973-02-27 1976-03-17 British American Tobacco Co Filtering device for a smoking product
US4022221A (en) * 1975-10-31 1977-05-10 American Filtrona Corporation Tobacco smoke filter
US4256122A (en) * 1979-04-11 1981-03-17 Brown & Williamson Tobacco Corporation Cigarette filter

Also Published As

Publication number Publication date
SE8106833L (sv) 1982-05-22
MY8500874A (en) 1985-12-31
SE450328B (sv) 1987-06-22
US4362171A (en) 1982-12-07
PL233918A1 (xx) 1982-06-07
BG38485A3 (en) 1985-12-16
SU1184430A3 (ru) 1985-10-07
SG68684G (en) 1985-03-15
CH654986A5 (de) 1986-03-27
IT8125187A0 (it) 1981-11-19
LU83726A1 (fr) 1982-02-18
PH18515A (en) 1985-08-02
FR2494566A1 (fr) 1982-05-28
PL129929B1 (en) 1984-06-30
NL191252C (nl) 1995-04-18
IL64270A0 (en) 1982-02-28
ES270888U (es) 1983-09-01
IE52304B1 (en) 1987-09-02
KR830006940A (ko) 1983-10-12
CS225147B2 (en) 1984-02-13
NZ198848A (en) 1983-12-16
ES270888Y (es) 1984-03-16
DE3143965C2 (xx) 1987-05-21
DK160400C (da) 1991-09-16
KE3470A (en) 1984-11-09
NL8105011A (nl) 1982-06-16
JPS57110184A (en) 1982-07-08
NL191252B (nl) 1994-11-16
EG15083A (en) 1985-12-31
CA1166924A (en) 1984-05-08
GB2088191B (en) 1984-08-08
NO813946L (no) 1982-05-24
GR76319B (xx) 1984-08-04
DK160400B (da) 1991-03-11
ZW26581A1 (en) 1982-05-26
AU7672481A (en) 1982-04-29
BR8107539A (pt) 1982-08-17
ATA456981A (de) 1985-05-15
BE890914A (fr) 1982-02-15
IE812636L (en) 1982-05-21
FI70778C (fi) 1986-10-27
TR21005A (tr) 1983-05-01
HU187469B (en) 1986-01-28
ZA817589B (en) 1982-10-27
FI70778B (fi) 1986-07-18
AU541394B2 (en) 1985-01-03
AR225845A1 (es) 1982-04-30
NO153871C (no) 1986-06-11
IN157509B (xx) 1986-04-12
DE3143965A1 (de) 1982-06-24
FR2494566B1 (xx) 1984-11-09
MX152732A (es) 1985-10-23
IT1139808B (it) 1986-09-24
YU259381A (en) 1983-10-31
FI813711L (fi) 1982-05-22
NO153871B (no) 1986-03-03
DK515081A (da) 1982-05-22
GB2088191A (en) 1982-06-09

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)