The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 18, 2022
Filed:
Apr. 17, 2020
Applicant:
Ricoh Company, Ltd., Tokyo, JP;
Inventors:
Assignee:
RICOH COMPANY, LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L 67/04 (2006.01); C08K 3/26 (2006.01); C08J 5/18 (2006.01);
U.S. Cl.
CPC ...
C08L 67/04 (2013.01); C08J 5/18 (2013.01); C08K 3/26 (2013.01); C08K 2003/265 (2013.01); C08K 2201/003 (2013.01); C08L 2201/06 (2013.01); C08L 2203/12 (2013.01); C08L 2203/16 (2013.01); C08L 2203/30 (2013.01);
Abstract
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.