A - Human Necessities – 24 – D
Patent
A - Human Necessities
24
D
131/17
A24D 3/00 (2006.01) A24D 3/10 (2006.01)
Patent
CA 1048886
TOBACCO FILTER ABSTRACT OF THE DISCLOSURE A tobacco filter comprised of cellulose acetate fibers prepared by contacting cellulose fibers in the solid fiber- ous state, with a gaseous or liquid acetylating agent.
261446
Ishii Kunio
Kawamoto Junji
Sawada Hideo
Toyoshima Iwao
Yokota Hiromu
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