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:
Feb. 26, 2013
Filed:
Nov. 03, 2010
Applicants:
Doo Sung Lee, Suwon-si, KR;
Bong Sup Kim, Suwon-si, KR;
Minh Khanh Nguyen, Suwon-si, KR;
Inventors:
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 38/19 (2006.01); A61K 38/27 (2006.01); A61K 38/18 (2006.01); A61K 31/56 (2006.01); A61K 39/395 (2006.01); A61K 39/00 (2006.01); A61K 38/22 (2006.01); A61K 38/30 (2006.01); A61K 38/21 (2006.01); A61K 31/337 (2006.01); A61K 31/196 (2006.01); A61P 35/00 (2006.01); A61P 31/12 (2006.01); A61P 31/04 (2006.01); A61P 37/06 (2006.01); A61P 29/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Disclosed is a temperature- and pH-sensitive hydrogel composed of a poly(amidoamine) oligomer only. The hydrogel is prepared in a simple manner and is readily released from the body. Further disclosed are a method for preparing the hydrogel and a drug carrier using the hydrogel.