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. 20, 2007
Filed:
Nov. 26, 2003
Ken-yuan Chang, Hsinchu, TW;
Ming-hsi Yeh, Chiayi, TW;
Ming-fa Hsieh, Hsinchu, TW;
Pei Kan, Hsinchu, TW;
Yu-yan Jan, Tianjhong Township, Changhua County, TW;
Shu-hua Jan, Yongjing Township, Changhua County, TW;
Xi-zhang Lin, Tainan, TW;
Ken-Yuan Chang, Hsinchu, TW;
Ming-Hsi Yeh, Chiayi, TW;
Ming-Fa Hsieh, Hsinchu, TW;
Pei Kan, Hsinchu, TW;
Yu-Yan Jan, Tianjhong Township, Changhua County, TW;
Shu-Hua Jan, Yongjing Township, Changhua County, TW;
Xi-Zhang Lin, Tainan, TW;
Industrial Technology Research Institute, Hsinchu, TW;
Abstract
A thermo-sensitve copolymer of following formula; is disclosed; wherein Ris hydrogen, or —C(═O)—R; Ris Calkyl substituted or unsubstituted with functional groups; Ris hydrogen, or Calkyl; and x, y or z individually is an integer greater than 0. The thermo-sensitive copolymers disclosed here are easy to be implanted into a human body through injection. The biodegradability is greatly improved and the cytotoxicity of the copolymers is low.