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:
Feb. 03, 2026
Filed:
Sep. 09, 2021
Applicant:
Kaneka Corporation, Osaka, JP;
Inventors:
Asuka Fukutome, Settsu, JP;
Yasunori Okada, Settsu, JP;
Tetsuo Okura, Settsu, JP;
Kensuke Murashima, Settsu, JP;
Assignee:
KANEKA CORPORATION, Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
D21H 19/12 (2006.01); D21H 25/06 (2006.01);
U.S. Cl.
CPC ...
D21H 19/12 (2013.01); D21H 25/06 (2013.01);
Abstract
A laminated article includes a base layer and a coating layer disposed over at least one side of the base layer. The coating layer contains a poly(3-hydroxybutyrate) resin. In a crystalline melting curve obtained by differential scanning calorimetry of the coating layer, the coating layer has at least one peak top temperature (Tma) in the range of 100 to 150° C. and at least one peak top temperature (Tmb) in the range of 150 to 170° C., and the difference between the temperatures Tma and Tmb is 10° C. or more.