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:
Jun. 11, 2013
Filed:
Mar. 04, 2011
Applicants:
Shu-yi Lin, Hsinchu, TW;
Chung-shi Yang, Taichung, TW;
Yeu-kuang Hwu, Taipei, TW;
Inventors:
Assignee:
National Health Research Institutes, Miaoli County, TW;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K 31/7105 (2006.01); A61K 31/7052 (2006.01); C08L 71/02 (2006.01); C08L 73/00 (2006.01); C08L 79/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of synthesizing a random copolymer of polyethyleneimine and polyethylene glycol, comprising exposing ethanolamine in a solution to electromagnetic radiation for a sufficient time to polymerize the ethanolamine (OHCHCHNH) and thereby resulting in formation of the randome copolymer comprising polyethyleneimine and poly(ethylene glycol), wherein the polyethyleneimine comprises ethyleneimine (—CHCHNH—) unit and the polyethylene glycol comprises ethylene glycol (—CHCHO—) unit, and the polyethylenimine of the random copolymer has a substantially linear backbone.