NL7613432A - FILTERS FOR TOBACCO SMOKE. - Google Patents

FILTERS FOR TOBACCO SMOKE.

Info

Publication number
NL7613432A
NL7613432A NL7613432A NL7613432A NL7613432A NL 7613432 A NL7613432 A NL 7613432A NL 7613432 A NL7613432 A NL 7613432A NL 7613432 A NL7613432 A NL 7613432A NL 7613432 A NL7613432 A NL 7613432A
Authority
NL
Netherlands
Prior art keywords
filters
tobacco smoke
tobacco
smoke
Prior art date
Application number
NL7613432A
Other languages
Dutch (nl)
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.)
Filing date
Publication date
Application filed by British American Tobacco Co filed Critical British American Tobacco Co
Publication of NL7613432A publication Critical patent/NL7613432A/en

Links

Classifications

    • 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
    • A24D3/04—Tobacco smoke filters characterised by their shape or structure
    • A24D3/043—Tobacco smoke filters characterised by their shape or structure with ventilation means, e.g. air dilution
NL7613432A 1975-12-18 1976-12-02 FILTERS FOR TOBACCO SMOKE. NL7613432A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB51922/75A GB1533568A (en) 1975-12-18 1975-12-18 Filters for smoking articles

Publications (1)

Publication Number Publication Date
NL7613432A true NL7613432A (en) 1977-06-21

Family

ID=10461941

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7613432A NL7613432A (en) 1975-12-18 1976-12-02 FILTERS FOR TOBACCO SMOKE.

Country Status (12)

Country Link
JP (1) JPS5279099A (en)
AU (1) AU503990B2 (en)
BE (1) BE849482A (en)
BR (1) BR7608510A (en)
CA (1) CA1045496A (en)
CH (1) CH604577A5 (en)
DE (1) DE2654698A1 (en)
DK (1) DK568676A (en)
FI (1) FI63167C (en)
GB (1) GB1533568A (en)
NL (1) NL7613432A (en)
ZA (1) ZA766954B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4174719A (en) * 1977-06-29 1979-11-20 Olin Corporation Microperforated filter tip cigarette
US4232574A (en) * 1977-08-19 1980-11-11 Liggett Group Inc. Apparatus and method for providing a cigarette filter with an aeration groove
US4294265A (en) * 1980-04-04 1981-10-13 Philip Morris Incorporated Filter cigarette with inlet vent zones
GB9214267D0 (en) * 1992-07-04 1992-08-19 British American Tobacco Co Improvements relating to smoking articles
GB9321536D0 (en) * 1993-10-19 1993-12-08 British American Tobacco Co Smoking articles
BR122013013917A2 (en) * 2010-10-06 2019-08-06 Acetate International Llc SMOKE FILTERS FOR POROUS MASS SMOKING DEVICES HAVING A CARBON PARTICLE CHARGE AND A CAPSULATED PRESSURE DROP

Also Published As

Publication number Publication date
BR7608510A (en) 1977-12-20
AU503990B2 (en) 1979-09-27
CA1045496A (en) 1979-01-02
FI63167B (en) 1983-01-31
ZA766954B (en) 1977-10-26
FI63167C (en) 1983-05-10
BE849482A (en) 1977-04-15
GB1533568A (en) 1978-11-29
AU2001476A (en) 1978-06-01
FI763453A (en) 1977-06-19
DK568676A (en) 1977-06-19
DE2654698A1 (en) 1977-06-30
CH604577A5 (en) 1978-09-15
JPS5279099A (en) 1977-07-02

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Legal Events

Date Code Title Description
BV The patent application has lapsed