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. 28, 2025
Filed:
Jun. 10, 2022
Applicant:
Kaneka Corporation, Osaka, JP;
Inventors:
Kensuke Murashima, Settsu, JP;
Itsuki Kusakabe, Settsu, JP;
Masayuki Fujita, Settsu, JP;
Yasunori Okada, Settsu, JP;
Assignee:
KANEKA CORPORATION, Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
C09D 167/04 (2006.01); B32B 7/02 (2019.01); B32B 27/10 (2006.01); B32B 27/36 (2006.01); C08G 63/06 (2006.01);
U.S. Cl.
CPC ...
C09D 167/04 (2013.01); B32B 7/02 (2013.01); B32B 27/10 (2013.01); B32B 27/36 (2013.01); C08G 63/06 (2013.01); B32B 2250/03 (2013.01); B32B 2307/7163 (2013.01); B32B 2307/718 (2013.01); B32B 2307/748 (2013.01); B32B 2553/00 (2013.01); C08G 2230/00 (2013.01);
Abstract
A biodegradable laminated article includes: a substrate layer; a first thermoplastic resin (A1) layer located on one side of the substrate layer and containing a polyhydroxyalkanoate resin; and a second thermoplastic resin (A2) layer located on the other side of the substrate layer and containing a polyhydroxyalkanoate resin. The weight per unit area of the first thermoplastic resin (A1) layer is from 10 to 200 g/m, and the weight per unit area of the second thermoplastic resin (A2) layer is from 0.1 to 5 g/m.