C - Chemistry – Metallurgy – 08 – B
Patent
C - Chemistry, Metallurgy
08
B
260/216.2
C08B 3/22 (2006.01) C08J 3/14 (2006.01) C08J 9/28 (2006.01)
Patent
CA 1235119
Abstract of the Disclosure Cellulose acetate is formed into porous, spherical particles, having an acetylation degree of 49 to 60 %, a particle diameter of 0.05 to 10 mm, a sphericity of 0.7 or larger, a pore volume of 0.4 cc/g or larger and a collapsing strength of 9 kg or higher.
472623
Ohtake Etsuo
Uchida Manabu
Yamazaki Kazuhiro
Daicel Chemical Industries Ltd.
Smart & Biggar
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