BR6914913D0 - Aperfeicoamentos relativos a filtros para fumaca de tabac - Google Patents
Aperfeicoamentos relativos a filtros para fumaca de tabacInfo
- Publication number
- BR6914913D0 BR6914913D0 BR21491369A BR21491369A BR6914913D0 BR 6914913 D0 BR6914913 D0 BR 6914913D0 BR 21491369 A BR21491369 A BR 21491369A BR 21491369 A BR21491369 A BR 21491369A BR 6914913 D0 BR6914913 D0 BR 6914913D0
- Authority
- BR
- Brazil
- Prior art keywords
- tobacco smoke
- smoke filters
- improvements concerning
- concerning tobacco
- filters
- Prior art date
Links
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB5883168A GB1235880A (en) | 1968-12-11 | 1968-12-11 | Improvements relating to tobacco-smoke filters |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR6914913D0 true BR6914913D0 (pt) | 1973-05-31 |
Family
ID=10482508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR21491369A BR6914913D0 (pt) | 1968-12-11 | 1969-12-09 | Aperfeicoamentos relativos a filtros para fumaca de tabac |
Country Status (8)
| Country | Link |
|---|---|
| BE (1) | BE742722A (sv) |
| BR (1) | BR6914913D0 (sv) |
| CH (1) | CH511572A (sv) |
| DE (1) | DE1960040C3 (sv) |
| DK (1) | DK128224B (sv) |
| FI (1) | FI51757C (sv) |
| GB (1) | GB1235880A (sv) |
| NL (1) | NL135250C (sv) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4202356A (en) * | 1976-07-08 | 1980-05-13 | University Of Kentucky Research Foundation | Tobacco smoke filter material |
| US4163452A (en) * | 1977-12-01 | 1979-08-07 | British-American Tobacco Company Limited | Tobacco-smoke filters |
| FI67478C (fi) * | 1979-11-13 | 1985-04-10 | British American Tobacco Co | Filter foer tobaksroek |
| CA2573030C (en) * | 2004-07-27 | 2009-05-12 | Japan Tobacco Inc. | Cigarette filter and cigarette provided with the same |
| EP2405529A4 (en) * | 2009-03-06 | 2013-01-16 | Nec Corp | ELEMENT FOR PHOTOELECTRIC CONVERSION, PROCESS FOR ITS MANUFACTURE, OPTICAL SENSOR AND SOLAR CELL |
| EP2405530A4 (en) * | 2009-03-06 | 2013-03-06 | Nec Corp | PHOTOELECTRIC CONVERSION ELEMENT AND METHOD FOR MANUFACTURING THE SAME, OPTICAL SENSOR AND SOLAR BATTERY |
-
1968
- 1968-12-11 GB GB5883168A patent/GB1235880A/en not_active Expired
-
1969
- 1969-11-28 FI FI345569A patent/FI51757C/sv active
- 1969-11-29 DE DE19691960040 patent/DE1960040C3/de not_active Expired
- 1969-12-04 NL NL6918271A patent/NL135250C/xx active
- 1969-12-05 BE BE742722D patent/BE742722A/xx not_active IP Right Cessation
- 1969-12-08 DK DK647369A patent/DK128224B/da not_active IP Right Cessation
- 1969-12-09 BR BR21491369A patent/BR6914913D0/pt unknown
- 1969-12-11 CH CH1845369A patent/CH511572A/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| NL135250C (sv) | 1972-05-15 |
| DE1960040A1 (de) | 1970-10-15 |
| GB1235880A (en) | 1971-06-16 |
| FI51757B (sv) | 1976-12-31 |
| FI51757C (sv) | 1977-04-12 |
| DE1960040B2 (de) | 1973-07-19 |
| DE1960040C3 (de) | 1974-11-14 |
| DK128224B (da) | 1974-03-25 |
| CH511572A (de) | 1971-08-31 |
| NL6918271A (sv) | 1970-06-15 |
| BE742722A (sv) | 1970-05-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| FI48523C (sv) | Tobaksfilter. | |
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| FI43152C (fi) | Tupakansavun suodinelementti | |
| ES164496Y (es) | Un filtro para humo de tabaco. | |
| MY7000035A (en) | Tobacco smoke filters | |
| CH523029A (de) | Rauchtabakumhüllung | |
| FI51039C (sv) | Filter för tobaksrök. | |
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| CH502075A (fr) | Filtre à fumée de tabac | |
| DK125264B (da) | Tobaksrøgfilter. | |
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