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:
Apr. 12, 2016
Filed:
Mar. 30, 2012
Applicants:
Shintaro Maekawa, Ichihara, JP;
Shinichi Usugi, Chiba, JP;
Hitoshi Onishi, Chiba, JP;
Inventors:
Assignee:
MITSUI CHEMICALS, INC., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L 63/00 (2006.01); C08L 67/00 (2006.01); C08L 101/00 (2006.01); C08L 67/04 (2006.01); C08L 101/16 (2006.01);
U.S. Cl.
CPC ...
C08L 67/04 (2013.01); C08L 67/00 (2013.01); C08L 101/16 (2013.01);
Abstract
Disclosed are a biodegradable resin composition comprising a copolymer (A) with a weight average molecular weight of 1,000 to 30,000, which comprises a constituent unit (a-1) derived from a multivalent carboxylic acid except for an amino acid and a constituent unit (a-2) derived from a hydroxycarboxylic acid, and a biodegradable resin (B), which has excellent hydrolyzability and excellent transparency; and a biodegradable molded article composed of this biodegradable resin composition.