Method of forming polythiophene dispersions

Details Method of forming polythiophene dispersions Method of forming polythiophene dispersions

2006-03-07

2006-03-07

Kopec, Mark (Department: 1751)

Compositions

Electrically conductive or emissive compositions

Reexamination Certificate

active

07008562

ABSTRACT:
A process for the preparation of dispersions or solutions comprising polythiophene+An−ion complexes in anhydrous or low-water-content organic solvents, characterized in that at least one water-miscible organic solvent or a water-miscible solvent mixture is added to an aqueous dispersion or solution comprising optionally substituted polythiophenes, all or some of the water is removed, and the resultant dispersion or solution is, if desired, diluted with organic solvents.

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U.S. Appl. No. 60/269,606, filed Feb. 16, 2001.

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