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.

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;

Lee-yih Wang, Taipei, TW;

Inventors:

Mu-Yi Hua, Taoyuan County, TW;

Hsiao-Chien Chen, Taichung, TW;

Rung-Ywan Tsai, Hsinchu County, TW;

Lee-Yih Wang, Taipei, TW;

Assignee:

Chang Gung University, Tao-Yuan, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L 51/08 (2006.01);
U.S. Cl.
CPC ...
Abstract

A carboxylic polybenzimidazole includes at least one of the following functional group of formula (I): wherein G is a group containing a carboxylic acid end group or a carboxylated end group.


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