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DuPont Sues Heraeus, SolarWorld for Patent Infringement

By Victoria Stilwell DuPont Co. (DD) filed a lawsuit in Oregon against Heraeus Materials Technology LLC and its customer, SolarWorld Industries America Inc., alleging the two companies infringed on a patent recently issued to DuPont related to solar cell technology. DuPont claims Heraeus and SolarWorld violated the diversified U.S. manufacturer's patent on front-side metallization paste materials by making, selling or using Heraeus's front-side silver pastes. The lawsuit follows a continuing patent infringement suit DuPont filed against Heraeus in September, also related to the solar cell technology materials. In that case, DuPont alleged Heraeus's H94XX series and H92XX series front-side silver pastes infringe DuPont's Solamet photovoltaic metallization paste, thick film materials used in the construction of both crystalline silicon and thin film solar cells. DuPont has received a boost from higher pricing in recent quarters, offsetting raw material expenses. DuPont reported in April its first-quarter profit rose 4% as the company benefited from higher pricing and a jump in sales of agricultural products, as well as strong growth in developing markets. Shares of DuPont closed Wednesday at $51.04 and were inactive in premarket trade. The stock is up 11% so far this year. Write to Victoria Stilwell at [email protected]

Stock News for Du Pont E I De Nem (DD)
DateTimeHeadline
02/22/201712:52:00Dow, DuPont on Track for Merger Approval From EU Regulators...
02/22/201712:12:00Dow, DuPont on Track to Win Merger Clearance From EU Regulators...
02/17/201719:14:00Kraft's Unilever Bid Could Face Two Sides of Regulatory Coin...
02/17/201717:33:00Kraft's Unilever Bid Could Face Two Sides of Regulatory Coin...
02/17/201715:56:00Kraft's Unilever Bid Faces Likely Scrutiny in Europe
02/14/201703:02:00DuPont Settles PFOA Lawsuits -- WSJ
02/13/201717:06:31Amended Statement of Ownership (sc 13g/a)
02/13/201707:36:00Dupont, Chemours Settle Teflon Chemical Exposure Case for $671...
02/13/201706:31:56Current Report Filing (8-k)
02/13/201706:00:00DuPont Reaches Global Settlement of Multi-District PFOA Litigation
02/09/201714:52:19Amended Statement of Ownership (sc 13g/a)
02/08/201707:18:00Correction to Dow Chemical, DuPont Story
02/08/201707:14:00Dow Chemical, DuPont Submit Antitrust Remedies to EU -- 2nd Update
02/08/201706:01:00Dow Chemical, DuPont Submit Antitrust Remedies to EU -- Update
02/07/201716:52:29Statement of Changes in Beneficial Ownership (4)
02/07/201716:52:02Statement of Changes in Beneficial Ownership (4)
02/07/201716:51:10Statement of Changes in Beneficial Ownership (4)
02/07/201716:50:45Statement of Changes in Beneficial Ownership (4)
02/07/201716:50:19Statement of Changes in Beneficial Ownership (4)
02/07/201716:48:09Statement of Changes in Beneficial Ownership (4)

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