BR6897893D0 - PERFECTING CIGARETTE FILTER AND PREPARATION PROCESS - Google Patents
PERFECTING CIGARETTE FILTER AND PREPARATION PROCESSInfo
- Publication number
- BR6897893D0 BR6897893D0 BR197893/68A BR19789368A BR6897893D0 BR 6897893 D0 BR6897893 D0 BR 6897893D0 BR 197893/68 A BR197893/68 A BR 197893/68A BR 19789368 A BR19789368 A BR 19789368A BR 6897893 D0 BR6897893 D0 BR 6897893D0
- Authority
- BR
- Brazil
- Prior art keywords
- perfecting
- preparation process
- cigarette filter
- cigarette
- filter
- Prior art date
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
- A24D3/06—Use of materials for tobacco smoke filters
- A24D3/16—Use of materials for tobacco smoke filters of inorganic materials
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB14247/67A GB1150192A (en) | 1967-03-29 | 1967-03-29 | Improvements relating to Cigarette Filters. |
Publications (1)
Publication Number | Publication Date |
---|---|
BR6897893D0 true BR6897893D0 (en) | 1973-05-31 |
Family
ID=10037703
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR197893/68A BR6897893D0 (en) | 1967-03-29 | 1968-03-25 | PERFECTING CIGARETTE FILTER AND PREPARATION PROCESS |
Country Status (11)
Country | Link |
---|---|
US (1) | US3550600A (en) |
BE (1) | BE712942A (en) |
BR (1) | BR6897893D0 (en) |
CH (1) | CH480030A (en) |
DE (1) | DE1767073C3 (en) |
DK (1) | DK122056B (en) |
FI (1) | FI46456C (en) |
FR (1) | FR1557464A (en) |
GB (1) | GB1150192A (en) |
NL (1) | NL134995C (en) |
SE (1) | SE340778B (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3658070A (en) * | 1970-10-01 | 1972-04-25 | Nicholas R Diluzio | Tobacco smoke filters |
US3802441A (en) * | 1972-01-26 | 1974-04-09 | Brown & Williamson Tobacco | Tobacco smoke filter additive |
US4091822A (en) * | 1975-04-25 | 1978-05-30 | Loews Theatres, Inc. | Article for the selective removal of hydrogen cyanide from tobacco smoke |
US4266561A (en) * | 1978-04-10 | 1981-05-12 | Brown & Williamson Tobacco Corporation | Tobacco smoke filtering compositions |
ZA792187B (en) * | 1978-05-16 | 1980-05-28 | British American Tobacco Co | Tobacco smoke filters |
EP0532159A1 (en) * | 1991-07-18 | 1993-03-17 | Hoechst Celanese Corporation | Removal of nicotine from tobacco smoke |
CN100512689C (en) * | 2006-09-28 | 2009-07-15 | 江南大学 | Additive for lowering tar and free radical content in cigarette smoke and its adding method |
US9226524B2 (en) * | 2010-03-26 | 2016-01-05 | Philip Morris Usa Inc. | Biopolymer foams as filters for smoking articles |
KR102555650B1 (en) | 2016-08-17 | 2023-07-14 | 필립모리스 프로덕츠 에스.에이. | Aerosol-generating articles with improved wrappers |
-
1967
- 1967-03-29 GB GB14247/67A patent/GB1150192A/en not_active Expired
-
1968
- 1968-03-19 US US714340A patent/US3550600A/en not_active Expired - Lifetime
- 1968-03-25 BR BR197893/68A patent/BR6897893D0/en unknown
- 1968-03-26 FI FI680834A patent/FI46456C/en active
- 1968-03-26 FR FR1557464D patent/FR1557464A/fr not_active Expired
- 1968-03-27 NL NL6804308A patent/NL134995C/xx active
- 1968-03-28 DE DE1767073A patent/DE1767073C3/en not_active Expired
- 1968-03-28 DK DK133568AA patent/DK122056B/en not_active IP Right Cessation
- 1968-03-28 SE SE04132/68A patent/SE340778B/xx unknown
- 1968-03-29 BE BE712942D patent/BE712942A/xx not_active IP Right Cessation
- 1968-03-29 CH CH469568A patent/CH480030A/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
BE712942A (en) | 1968-07-31 |
FR1557464A (en) | 1969-02-14 |
DE1767073B2 (en) | 1973-02-15 |
DK122056B (en) | 1972-01-17 |
US3550600A (en) | 1970-12-29 |
NL134995C (en) | 1972-07-17 |
FI46456B (en) | 1973-01-02 |
SE340778B (en) | 1971-11-29 |
DE1767073C3 (en) | 1973-09-27 |
GB1150192A (en) | 1969-04-30 |
NL6804308A (en) | 1968-09-30 |
FI46456C (en) | 1973-04-10 |
CH480030A (en) | 1969-12-15 |
DE1767073A1 (en) | 1972-03-09 |
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