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. 18, 2014
Filed:
May. 11, 2011
Applicants:
Mu-yi Hua, Taoyuan County, TW;
Hsiao-chien Chen, Taichung, TW;
Rung-ywan Tsai, Hsinchu County, TW;
Kong-wei Cheng, Hsinchu, TW;
Inventors:
Mu-Yi Hua, Taoyuan County, TW;
Hsiao-Chien Chen, Taichung, TW;
Rung-Ywan Tsai, Hsinchu County, TW;
Kong-Wei Cheng, Hsinchu, TW;
Assignee:
Chang Gung University, Tao-Yuan, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L 79/04 (2006.01); C08L 51/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for preparing a carboxylic polybenzimidazole includes reacting a polybenzimidazole polymer with a cyclic acid anhydride to form the carboxylic polybenzimidazole.
Hua, Mu-Yi. (2014). Method for preparing carboxylic polybenzimidazole (U.S. Patent No. 8653203). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8653203
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile