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. 20, 2026
Filed:
Sep. 26, 2022
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Seung Hee Lee, Daejeon, KR;
Sang Kook Kim, Daejeon, KR;
Sang Woo Kim, Daejeon, KR;
Bo Ra Shin, Daejeon, KR;
No Jin Park, Daejeon, KR;
Assignee:
LG Chem, Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 64/32 (2006.01); B01J 27/26 (2006.01);
U.S. Cl.
CPC ...
C08G 64/323 (2013.01); B01J 27/26 (2013.01);
Abstract
The present disclosure relates to a method for preparing a polyalkylene carbonate resin, and more particularly, to a method for preparing a polyalkylene carbonate resin having the reduced cyclic carbonate content, which is a by-product, and an increased ratio of a repeating unit including carbon dioxide, by increasing catalyst activity.
Lee, Seung. (2026). Method for preparing polyalkylene carbonate resin (U.S. Patent No. 12767759). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12767759
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile