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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Bibliographic Details
Main Author TOLMAN, THOMAS WILLIAM CHARLES, EASTLEIGH, HAMPSHIRE (GROSSBRITANNIEN)
Format Patent
LanguageEnglish
Published 28.06.1979
Subjects
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
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Summary: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).
Bibliography:Application Number: DE19712118770