D CENTI-I'E
OUTSIDE TECTINICAL SUBN-IISSIONS 2 2 MAR 1972
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Submitted by: Aktiengesellschaft vorm. -mil Vogel,
Zurich.
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Patent Status:
SubjecL: Tobacco smoke filter.
Description:
Reference made to work by Japanese Pharmacologist, Prof.
Yasuhiro I I who noticed cigarette filters containing chalky clay
retains five times the quantity of material provoking cancer, compared
with normal charcoal filters. Scientific work apparently currently being
carried out by-Japanese Monopoly. Appears taste not influenced in any
way.
1 -i Assianee:
SUBMISSION RECEIVED:
B@- B.A.T. (Suisse) S.A. Date: 8th September, 1971.
Comments- Forwarded to Dr. S.j. Green, received Millba nk
23 rd September, 1971.
Action I
B.A.T. (Suisse) S.A. have expressed no interest for the
moment. B-A.T. not pursuing.
(.I7
BATCo document for Province of British Columbia 19 April 1999