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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.:

US 8940333 B1

PDFFull Text
Date of Patent:
Jan. 27, 2015

Filed:

Mar. 21, 2008

Amphiphilic block copolymers and nanoparticles comprising the same

Applicants:

Ming-fa Hsieh, Hsinchu, TW;

Hsuen-tseng Cha'ng, Kaohsiung, TW;

Chin-fu Chen, Taipei County, TW;

Yuan-chia Chang, Taipei, TW;

Pei Kan, Hsinchu, TW;

Tsai-yu Lin, Changhua County, TW;

Inventors:

Ming-Fa Hsieh, Hsinchu, TW;

Hsuen-Tseng Cha'ng, Kaohsiung, TW;

Chin-Fu Chen, Taipei County, TW;

Yuan-Chia Chang, Taipei, TW;

Pei Kan, Hsinchu, TW;

Tsai-Yu Lin, Changhua County, TW;

Assignee:

Industrial Technology Research Institute, Hsinchu, TW;

Attorney:

Muncy, Geissler, Olds & Lowe, P.C.

Primary Examiner:

Lakshmi Channavajjala

Int. Cl.
CPC ...
A61K 9/14 (2006.01); A61K 9/51 (2006.01); A61K 31/00 (2006.01); C08G 63/91 (2006.01); C08G 63/48 (2006.01); A61K 8/11 (2006.01); A61K 9/107 (2006.01); A61K 47/34 (2006.01); C08G 63/664 (2006.01); C08G 63/685 (2006.01); C08G 63/688 (2006.01); C08G 63/692 (2006.01); A61K 8/00 (2006.01); A61K 9/12 (2006.01);
U.S. Cl.
CPC ...
A61K 9/5153 (2013.01); A61K 9/1075 (2013.01); A61K 47/34 (2013.01); C08G 63/664 (2013.01); C08G 63/6852 (2013.01); C08G 63/6882 (2013.01); C08G 63/6922 (2013.01); Y10S 977/906 (2013.01); Y10S 977/926 (2013.01);
Abstract

An amphiphilic block copolymer is disclosed. The amphiphilic block copolymer includes one or more hydrophilic polymers, one or more hydrophobic polymer, and one or more zwitterions. The invention also provides a nanoparticle and carrier including the amphiphilic block copolymer for delivery of water insoluble drugs, growth factors, genes, or water insoluble cosmetic substances.

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