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:
Aug. 20, 2013
Filed:
Jul. 05, 2006
Applicants:
Yi-yan Yang, Singapore, SG;
Shao-qiong Liu, Singapore, SG;
Inventors:
Yi-Yan Yang, Singapore, SG;
Shao-Qiong Liu, Singapore, SG;
Assignee:
Agency for Science, Techology and Research, Singapore, SG;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 9/14 (2006.01); A61K 47/32 (2006.01); A61K 47/34 (2006.01); C08G 81/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention provides a block copolymer comprising at least a first block and a second block. The first block comprises a plurality of temperature-sensitive monomeric units, a plurality of hydrophilic monomeric units and a plurality of targeting monomeric units, and the second block comprises a plurality of hydrophobic monomeric units. The second block comprises at least one pH-sensitive moiety.