Cellulose acetate and cellulose acetate composition

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United States of America

PATENT NO 12157808
APP PUB NO 20230130981A1
SERIAL NO

18086673

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Abstract

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This cellulose acetate has a total degree of acetyl substitution of 1.75 or more and 2.55 or less, and a degree of acetyl substitution at 2-position or a degree of acetyl substitution at 3-position is 0.7 or less. This cellulose acetate composition includes the cellulose acetate and an additive. The additive is one or more selected from the group consisting of (a) substances of which a pH of a 1 wt. % aqueous solution at 20° C. is 8 or more, (b) substances that dissolve in water at 20° C. in an amount of 2 wt. % or more, and (c) substances that exhibit biodegradability in seawater.

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Patent Owner(s)

Patent OwnerAddress
DAICEL CORPORATION3-1 OFUKA-CHO KITA-KU OSAKA-SHI OSAKA 530-0011

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hashizume, Tomohiro Tokyo, JP 17 34
Higuchi, Akihiro Tokyo, JP 19 54
Kusumoto, Masaaki Tokyo, JP 9 2
Matsumura, Hiroyuki Tokyo, JP 55 888
Taniguchi, Hiroki Tokyo, JP 86 738

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