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US Patent 7790979 Heteroatomic regioregular poly(3-substitutedthiophenes) for photovoltaic cells

Patent 7790979 was granted and assigned to Plextronics on September, 2010 by the United States Patent and Trademark Office.

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Patent

Patent attributes

Current Assignee

Plextronics

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

7790979

Patent Inventor Names

Shawn P. Williams0

Elena E. Sheina0

Troy D. Hammond0

Shijun Jia0

Andrew W. Hannah0

Darin W. Laird0

Date of Patent

September 7, 2010

Patent Application Number

11234373

Date Filed

September 26, 2005

Patent Primary Examiner

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Rodney G McDonald

Patent abstract

Regioregular polythiophene polymers can be used in photovoltaic applications including copolymers and blends. The polymer can comprise heteroatoms in the side groups. Better efficiencies can be achieved.

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