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. 17, 2004
Filed:
Jun. 10, 2002
Applicant:
Inventors:
Qingye Zhou, Boxborough, MA (US);
Jae Ryu, Lowell, MA (US);
Dieter Freitag, Chelmsford, MA (US);
Karen Mulford, Brighton, MA (US);
Assignee:
Elecon, Inc., Chelmsford, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01B 1/12 ; H01B 1/20 ; C08G 7/500 ;
U.S. Cl.
CPC ...
H01B 1/12 ; H01B 1/20 ; C08G 7/500 ;
Abstract
Disclosed are compositions formed by a method for exchanging the water in an optionally substituted polythiophene dispersion with a specific mixture of organic solvents. The resulting compositions exhibit improved electrical conductivity, optical transparency, environmental stability, excellent adhesion to a variety of substrates and processing characteristics. Also disclosed are methods for making and using such compositions.