C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
131/17, 18/31
C08J 9/14 (2006.01) A24D 3/02 (2006.01) A24D 3/10 (2006.01) C08J 9/12 (2006.01)
Patent
CA 1130516
ABSTRACT This invention relates to a method of manufacturing foamed cellulose acetate and the product produced thereby. More speci- fically, the invention relates to a melt extrusion process for producing open cell structure foamed cellulose acetate having special use as a filtering element for an aerosol such as tobacco smoke.
323199
Howell Carl J. Jr.
Riley Jesse L.
Trott David W.
Celanese Corporation
Smart & Biggar
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