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:
Jan. 11, 2022
Filed:
Aug. 28, 2018
Lg Chem, Ltd., Seoul, KR;
Jungup Bang, Daejeon, KR;
Kyosung Park, Daejeon, KR;
Seung Young Park, Daejeon, KR;
Gyo Hyun Hwang, Daejeon, KR;
Byung Hee Choi, Daejeon, KR;
Sung-Kyoung Kim, Daejeon, KR;
Yongju Bang, Daejeon, KR;
LG Chem, Ltd., Seoul, KR;
Abstract
The disclosed relates to a method for preparing an organic zinc catalyst used in the synthesis of a polyalkylene carbonate resin, an organic zinc catalyst provided therefrom, and a method for preparing a polyalkylene carbonate resin using the catalyst. The organic zinc catalyst according to the present disclosure includes a predetermined amount of Zr on the surface through a simple process, and thus can exhibit improved catalytic activity as compared to a conventional catalyst in the polymerization process for preparing a polyalkylene carbonate resin.