Aliphatic polyester resin composition, method for producing the same, and produced product

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United States of America Patent

PATENT NO 11472959
APP PUB NO 20200339806A1
SERIAL NO

16851160

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Abstract

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An aliphatic polyester resin composition including: an aliphatic polyester resin; and calcium carbonate, wherein an amount of the calcium carbonate in the aliphatic polyester resin composition is 20% by mass or more, a number average particle diameter of the calcium carbonate in the aliphatic polyester resin composition is 0.20 μm or more but less than 0.40 μm, and a standard deviation of the number average particle diameter is 0.3 or more but 0.6 or less.

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Patent Owner(s)

Patent OwnerAddress
RICOH COMPANY LTDTOKYO 143-8555

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Nemoto, Taichi Shizuoka, JP 62 367
Nozaki, Chiyoshi Tokyo, JP 52 1081
Sugiura, Hideki Shizuoka, JP 82 1396

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