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. 16, 2014
Filed:
Jul. 23, 2010
Applicants:
Doo Sung Lee, Gwacheon Si, KR;
Bong Sup Kim, Suwon-si, KR;
Jung Hee Lee, Seoul, KR;
Guanghui Gao, Suwon-si, KR;
Inventors:
Doo Sung Lee, Gwacheon Si, KR;
Bong Sup Kim, Suwon-si, KR;
Jung Hee Lee, Seoul, KR;
Guanghui Gao, Suwon-si, KR;
Assignee:
Sungkyunkwan University Foundation for Corporate, Suwon-Si, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K 38/38 (2006.01); C08G 73/06 (2006.01); A61K 9/127 (2006.01); A61P 35/00 (2006.01); A61P 9/10 (2006.01); A61P 29/00 (2006.01); A61P 19/02 (2006.01); C08L 71/02 (2006.01); C08F 299/02 (2006.01); B82Y 5/00 (2011.01); C08F 290/06 (2006.01); A61K 9/107 (2006.01);
U.S. Cl.
CPC ...
C08F 290/062 (2013.01); C08L 2201/06 (2013.01); C08L 71/02 (2013.01); C08L 2203/02 (2013.01); C08G 2261/126 (2013.01); C08F 299/024 (2013.01); B82Y 5/00 (2013.01); C08L 2205/05 (2013.01); A61K 9/1075 (2013.01);
Abstract
Disclosed is a pH-sensitive block copolymer that forms polyionic complex micelles. The block copolymer is prepared by copolymerization of (a) a polyethylene glycol compound, (b) a poly(amino acid) compound, and (c) a heterocyclic alkyl amine compound having the ability to induce the formation of ionic complexes. Further disclosed is a drug or protein carrier using the block copolymer.