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:
Jul. 08, 2008
Filed:
Jul. 30, 2003
Applicant:
Shuichi Matsumura, Yokohama, JP;
Inventor:
Shuichi Matsumura, Yokohama, JP;
Assignee:
Keio University, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12P 7/62 (2006.01); C12P 17/02 (2006.01); C12P 17/08 (2006.01); C12N 9/16 (2006.01); C12N 9/20 (2006.01);
U.S. Cl.
CPC ...
Abstract
A depolymerizing process of polylactic acid, wherein the polylactic acid is depolymerized in the presence of a hydrolase in an organic solvent or a supercritical fluid, thereby producing a re-polymerizable oligomer. A producing process of polylactic acid, wherein the re-polymerizable oligomer obtained by the above-mentioned depolymerization process is polymerized in the presence of a hydrolase or a polymerization catalyst.
Quick Actions:
Matsumura, Shuichi. (2008). Enzymatic depolymerization process of polylactic acid, and producing process of polylactic acid using depolymerization product (U.S. Patent No. 7396667). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7396667
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile