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1965-11-10 |
British American Tobacco Co |
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1966-10-28 |
1967-09-05 |
Haskett Barry F |
Smoking article and filter therefor containing vitamin a
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1967-01-16 |
1967-09-12 |
Brown & Williamson Tobacco |
Cigarette filters
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1969-07-17 |
1972-06-06 |
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Filter cigarette incorporating vitamin a
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1969-08-15 |
1971-12-21 |
Reynolds Tobacco Co R |
Filter cigarette
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1971-03-05 |
1972-01-25 |
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Cigar smoke filter and method for improving the quality of cigar smoke
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1972-02-07 |
1974-02-05 |
Larox Res Corp |
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1972-09-20 |
1976-08-03 |
Calgon Corporation |
Mentholated cigarette filter
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1972-09-25 |
1976-09-28 |
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Filter and detector and methods of using same in the removal and detection of carbon monoxide from, and in, a gas stream
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1972-11-13 |
1975-10-15 |
British American Tobacco Co |
Filters for tobacco smoke
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1973-05-01 |
1975-09-30 |
Philip Morris Inc |
Catalyst and process for making same
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1977-08-05 |
1981-01-06 |
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1977-09-06 |
1979-03-08 |
Bat Cigarettenfab Gmbh |
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1978-01-20 |
1982-03-02 |
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1978-02-06 |
1979-08-16 |
Hauni Werke Koerber & Co Kg |
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1979-03-08 |
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Olin Corporation |
High porosity carbon coated cigarette papers
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1981-09-11 |
1983-10-25 |
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1982-07-07 |
1985-10-25 |
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1986-05-27 |
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Cigarette paper with reduced CO on burning
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1989-02-01 |
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1986-10-21 |
1990-10-30 |
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1987-08-13 |
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1986-11-06 |
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Use of a retinol and / or retinoic acid ester-containing pharmaceutical preparation for inhalation for acting on the mucous membranes of the tracheo-bronchial tract, including the lung alveoli
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1988-08-12 |
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Improvements relating to smoking articles
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1988-09-28 |
1990-10-23 |
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1988-12-20 |
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1989-01-10 |
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Cigarette filter containing a humectant
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1993-01-12 |
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Production of supported particulate catalyst suitable for use in a vapor phase reactor
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1993-07-07 |
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Cigarette paper having reduced sidestream properties
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1994-02-16 |
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Smoking article and filter therefor
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1994-10-07 |
1998-02-17 |
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Low gas phase filter for cigarettes
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1994-12-13 |
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1995-07-24 |
1997-11-11 |
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Disposable filter attachment for smoking articles
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1996-01-29 |
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Low CO cigarette
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