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:
Apr. 23, 2002
Filed:
Apr. 06, 2000
Applicant:
Inventors:
Hsin-Ching Kao, Hsinchu, TW;
Lee-Hua Chen, Hsinchu, TW;
Chi-Lang Wu, Hsinchu, TW;
Jinn-Jong Wong, Hsinchu, TW;
Szu-Yuan Chan, Hsinchu, TW;
Sheng-Te Yang, Hsinchu, TW;
Assignee:
Industrial Technology Research Institute, Hsinchu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 6/391 ;
U.S. Cl.
CPC ...
C08G 6/391 ;
Abstract
Compositions based on high viscosity, high molecular weight polyesters are prepared by heating a molten mixture of: (A) a prepolymer of a polyester resin; and (B) 0.05-10 wt %, based one the weight of the polyester prepolymer, of a multifunctional polymeric chain extender having functional groups selected from the group consisting of epoxy and isocyanate.