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:
Dec. 12, 2006
Filed:
Jun. 19, 2003
Applicants:
Seung-jae Moon, Pohang, KR;
Moon-hor Ree, Pohang, KR;
Jong-sung Kim, Pohang, KR;
Kie-soo Kim, Pohang, KR;
Inventors:
Seung-Jae Moon, Pohang, KR;
Moon-Hor Ree, Pohang, KR;
Jong-Sung Kim, Pohang, KR;
Kie-Soo Kim, Pohang, KR;
Assignees:
Posco, Pohang-shi, KR;
Postech Foundation, Pohang-shi, KR;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G 59/00 (2006.01); B01J 31/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Disclosed is a method of preparing a catalyst for polymerization of an aliphatic polycarbonate including oxidizing a dicarboxylic acid precursor and a zinc precursor under a pressurized condition, and a method for polymerizing the aliphatic polycarbonate.