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. 05, 2005
Filed:
Oct. 08, 2003
Applicants:
Youn-woo Lee, Seoul, KR;
Soo Hyun Kim, Seoul, KR;
Young Ha Kim, Seoul, KR;
Jong Sung Lim, Seoul, KR;
Jong Min Park, Seoul, KR;
Ji Won Pack, Seoul, KR;
Inventors:
Youn-Woo Lee, Seoul, KR;
Soo Hyun Kim, Seoul, KR;
Young Ha Kim, Seoul, KR;
Jong Sung Lim, Seoul, KR;
Jong Min Park, Seoul, KR;
Ji Won Pack, Seoul, KR;
Assignee:
Korea Institute of Science and Technology, Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B021/02 ; C08G063/82 ;
U.S. Cl.
CPC ...
Abstract
In polymerizing biodegradable polymer material, a compressed gas is used as a reaction solvent for a solution-polymerization, in order to prepare biodegradable polyester homopolymer and copolymer with a high molecular weight in a fine powder form with a particle size of 0.01˜1000 μm.