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:
Sep. 20, 2011
Filed:
Apr. 17, 2008
Tun-fun Way, Hsinchu, TW;
Jiun-jy Chen, Miaoli County, TW;
Lien Tai Chen, Taoyuan, TW;
Kelly Teng, Taipei, TW;
Jui-yu Lin, Taipei County, TW;
Tun-Fun Way, Hsinchu, TW;
Jiun-Jy Chen, Miaoli County, TW;
Lien Tai Chen, Taoyuan, TW;
Kelly Teng, Taipei, TW;
Jui-Yu Lin, Taipei County, TW;
Industrial Technology Research Institute, Hsinchu, TW;
Abstract
A method of preparing an aliphatic copolyester by mixing a first compound defined by the equation: and a catalyst, and adding a second compound defined by and a lactide, wherein the second compound and the lactide have a total weight less than the first compound, wherein a is 10-230, b, d and e have a ratio of 10-35:10-35:80-30, c is 1-4, and f is 1-10. The method further adds the second compound and the lactide, wherein the second compound and the lactide have a total weight less than the first compound, the second compound and the lactide in the prior mixing step. The method further adds the second compound and the lactide, wherein the second compound and the lactide have a total weight less than the first compound, the second compound and the lactide in of the prior mixing steps.