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:
May. 07, 2024
Filed:
Dec. 20, 2019
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Sung Kyoung Kim, Daejeon, KR;
Seung Young Park, Daejeon, KR;
Sang Cheol Shin, Daejeon, KR;
Kyung Min Min, Daejeon, KR;
Assignee:
LG Chem, Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 65/14 (2006.01); B01J 37/02 (2006.01); B01J 37/04 (2006.01); C07F 3/06 (2006.01); C08G 64/02 (2006.01); C08G 64/34 (2006.01);
U.S. Cl.
CPC ...
C08G 64/34 (2013.01); B01J 37/02 (2013.01); C07F 3/06 (2013.01); C08G 64/02 (2013.01); C08G 65/14 (2013.01);
Abstract
The present disclosure relates to a method of preparing an organic zinc catalyst through solid phase blending that does not require a solvent and a washing process, and a method of preparing a polyalkylene carbonate resin by using the organic zinc catalyst prepared thereby.