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. 29, 2008
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, KR;
Postech Foundation, Pohang, KR;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
A23J 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Disclosed is a method of preparing a catalyst for polymerization of aliphatic polycarbonates and a method of polymerizing an aliphatic polycarbonate. This method includes reacting a zinc precursor and organic dicarboxylic acid in a non-ionic surfactant-included solution.