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Press release from PR Newswire

DuPont Files Patent Infringement Lawsuit Against Heraeus

Friday, September 02, 2011

DuPont Files Patent Infringement Lawsuit Against Heraeus10:00 EDT Friday, September 02, 2011Complaint Alleges Infringement of Patent Relating to DuPont? Solamet® Photovoltaic Metallization Paste TechnologyWILMINGTON, Del., Sept. 2, 2011 /PRNewswire/ -- DuPont today filed a lawsuit against Heraeus Holding GmbH and Heraeus Materials Technology, LLC for allegedly infringing a DuPont patent related to its front-side metallization paste materials used in solar cell technology. In its federal court filing here today, DuPont alleged that Heraeus has infringed DuPont U.S. Patent No. 7,767,254 B2, by manufacturing solar cells and inducing its customers to manufacture solar cells, using Heraeus H94XX series and H92XX series front-side silver pastes.DuPont plays a key role in enabling growth in the solar energy market by providing advanced materials and process technology.  The DuPont? Solamet® product line is the leading technology for metallization in crystalline silicon and thin film solar cells, and has been instrumental in the great gains in efficiency of solar power, making it more competitive with other means of electricity generation. "As a market-driven science company, DuPont invests significant resources and millions of dollars in research to develop innovative products for our customers," said David B. Miller, president, DuPont Electronics & Communications.  "Our intellectual property enables us to continue investing in innovative technologies for the photovoltaic industry, and to ensure that our customers receive the performance expected from DuPont products.  We will continue to take appropriate actions to protect our patent estate against infringement." DuPont? Solamet® photovoltaic metallizations are part of a broad and growing portfolio of products represented by DuPont Photovoltaic Solutions (DPVS), which connects science and technology from across the company on a global scale to help support the dramatic growth in the photovoltaic industry.  To learn more, please visit (NYSE: DD) has been bringing world-class science and engineering to the global marketplace in the form of innovative products, materials, and services since 1802.  The company believes that by collaborating with customers, governments, NGOs, and thought leaders we can help find solutions to such global challenges as providing enough healthy food for people everywhere, decreasing dependence on fossil fuels, and protecting life and the environment. For additional information about DuPont and its commitment to inclusive innovation, please visit DuPont Oval Logo, DuPont?, The miracles of science? and Solamet® are registered trademarks or trademarks of DuPont or its affiliates.SOURCE DuPontFor further information: Dan Turner, +1-302-774-0081,