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:
Oct. 31, 2006
Filed:
Apr. 28, 2005
Ru-yu Wu, Tao Yuan, TW;
Chih-wei Chu, Chu Pei, TW;
Li-ling Chang, Taipei Hsien, TW;
Yi-hsuan Tang, Chung Li, TW;
Ping-sheng Lai, Kaohsiung, TW;
Ru-Yu Wu, Tao Yuan, TW;
Chih-Wei Chu, Chu Pei, TW;
Li-Ling Chang, Taipei Hsien, TW;
Yi-Hsuan Tang, Chung Li, TW;
Ping-Sheng Lai, Kaohsiung, TW;
Far Eastern Textile Ltd., Taipei, TW;
Abstract
A method for preparing a biodegradable copolyester includes: (a) optionally preparing an aromatic prepolymer by reacting a first aromatic dicarboxylic compound with a first aliphatic glycol; (b) reacting the aromatic prepolymer with a second aromatic dicarboxylic compound and a second aliphatic glycol so as to form a first reaction product; (c) reacting the first reaction product with an aliphatic dicarboxylic compound so as to form a second reaction product; and (d) performing polycondensation of the second reaction product.