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:
Mar. 03, 2009
Filed:
Mar. 01, 2004
Applicants:
Dar-ming Chiang, Jhudong Township, Hsinchu County, TW;
Wen-liang Liu, Jhudong Township, Hsinchu County, TW;
Jen-luan Chen, Jhudong Township, Hsinchu County, TW;
Lon-cheng Cheng, Jhudong Township, Hsinchu County, TW;
Inventors:
Dar-Ming Chiang, Jhudong Township, Hsinchu County, TW;
Wen-Liang Liu, Jhudong Township, Hsinchu County, TW;
Jen-Luan Chen, Jhudong Township, Hsinchu County, TW;
Lon-Cheng Cheng, Jhudong Township, Hsinchu County, TW;
Assignee:
Industrial Technology Research Institute, Hsinchu, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B 27/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An electret and composite formed therewith. The electret includes a polymer, copolymerizing from monomers including VdF as a first monomer and HFP, CTFE, TFE, or combinations thereof as a second monomer.