A - Human Necessities – 24 – D
Patent
A - Human Necessities
24
D
131/22, 31/1.1
A24D 1/02 (2006.01)
Patent
CA 1239783
ABSTRACT A smoking article, such as a cigarette comprising a smoking-material rod wrapped in a wrapper paper, has the wrapper paper comprising at least one of lithium hydroxide and aluminium hydroxide, and at least one of potassium formate, sodium formate and sodium acetate. The loading level of the compound or total loading level of the compounds is not less than two g/m2. The inherent air permeability of the wrapper paper is within a range of 3 to 20 Coresta units. The total particulate matter (TPM) in the side-stream-smoke emanating from the lit end of the article during smoking is thereby reduced by at least 30% in relation to the TPM which emanates from the lit end of an otherwise identical smoking article comprising conventional wrapper paper and smoked under the same smoking conditions.
453569
Baker Richard R.
Dashley Frederick J.
Greig Colin C.
Mccormack Anthony D.
British-American Tobacco Company Limited
Ridout & Maybee Llp
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