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:
Aug. 12, 2014
Filed:
Jul. 31, 2012
Luisa Dominica Bozano, Los Gatos, CA (US);
Takayuki Nagasawa, Joetsu, JP;
Mark Hull Sherwood, San Jose, CA (US);
Ratnam Sooriyakumaran, San Jose, CA (US);
Linda Karin Sundberg, Los Gatos, CA (US);
Satoshi Watanabe, Joetsu, JP;
Luisa Dominica Bozano, Los Gatos, CA (US);
Takayuki Nagasawa, Joetsu, JP;
Mark Hull Sherwood, San Jose, CA (US);
Ratnam Sooriyakumaran, San Jose, CA (US);
Linda Karin Sundberg, Los Gatos, CA (US);
Satoshi Watanabe, Joetsu, JP;
International Business Machines Corporation, Armonk, NY (US);
Shin-Etsu Chemical Co. Ltd., Tokyo, JP;
Abstract
A water dispersible composition comprises a polyaniline copolymer having a weight average molecular weight of at least 30,000 and a polymeric acid comprising sulfonic acid groups. The polyaniline copolymer comprises i) about 10 mol % to about 15 mol % of a fluorine-containing first aniline repeat unit based on total moles of repeat units in the polyaniline copolymer, and ii) a second aniline repeat unit comprising no fluorine. The sulfonic acid groups of the polymeric acid are present in a molar amount greater than or equal to total moles of repeat units of the polyaniline copolymer. The composition has a conductivity of at least 0.0001 S/cm.