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DuPont Says SolarWorld Infringes Patent for Photovoltaic Cells

Bloomberg Businessweek

DuPont Co. (DD) filed a patent-infringmenet lawsuit today accusing SolarWorld AG (SWV) of selling photovoltaic cells using a material the chemical company said it invented. 

The suit, filed in federal court in Portland, Oregon, is over a conductive paste that coats the front side of a solar cell.  The paste is made by a unit of Heraeus Holding GmbH and supplied to SolarWorld's U.S. unit, according to the complaint. 

Read the full story from Bloomberg Businessweek

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