DE2118770
1315374 Tobacco-smoke filters BRITISH AMERICAN TOBACCO CO Ltd 19 April 1971 [20 April 1970] 18758/70 Heading A2C [Also in Divisions Bl Cl and F4] Triple cigarette filters comprise a centre section containing a granular manganese dioxide (which may contain 8% Ag and 7% Cu) and two shorter outer secti...
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Format | Patent |
Language | English |
Published |
28.06.1979
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Subjects | |
Online Access | Get full text |
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Abstract | 1315374 Tobacco-smoke filters BRITISH AMERICAN TOBACCO CO Ltd 19 April 1971 [20 April 1970] 18758/70 Heading A2C [Also in Divisions Bl Cl and F4] Triple cigarette filters comprise a centre section containing a granular manganese dioxide (which may contain 8% Ag and 7% Cu) and two shorter outer sections each of conventional filtering material. The granules may be 0.30-0.71 mm. The filter removes CO by oxidation to CO 2 . The preparation of the manganese dioxide is described (Division Cl). |
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AbstractList | 1315374 Tobacco-smoke filters BRITISH AMERICAN TOBACCO CO Ltd 19 April 1971 [20 April 1970] 18758/70 Heading A2C [Also in Divisions Bl Cl and F4] Triple cigarette filters comprise a centre section containing a granular manganese dioxide (which may contain 8% Ag and 7% Cu) and two shorter outer sections each of conventional filtering material. The granules may be 0.30-0.71 mm. The filter removes CO by oxidation to CO 2 . The preparation of the manganese dioxide is described (Division Cl). |
Author | TOLMAN, THOMAS WILLIAM CHARLES, EASTLEIGH, HAMPSHIRE (GROSSBRITANNIEN) |
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Notes | Application Number: DE19712118770 |
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PublicationDate | 19790628 |
PublicationDateYYYYMMDD | 1979-06-28 |
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PublicationDecade | 1970 |
PublicationYear | 1979 |
RelatedCompanies | BRITISH-AMERICAN TOBACCO CO. LTD., LONDON |
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Snippet | 1315374 Tobacco-smoke filters BRITISH AMERICAN TOBACCO CO Ltd 19 April 1971 [20 April 1970] 18758/70 Heading A2C [Also in Divisions Bl Cl and F4] Triple... |
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SubjectTerms | CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY CIGARETTES CIGARS COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING FIRE-FIGHTING HUMAN NECESSITIES INORGANIC CHEMISTRY LIFE-SAVING MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES METALLURGY MOUTHPIECES FOR CIGARS OR CIGARETTES PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SMOKERS' REQUISITES THEIR RELEVANT APPARATUS TOBACCO TOBACCO SMOKE FILTERS TRANSPORTING |
Title | DE2118770 |
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