In its federal court filing, the company alleged that Heraeus has infringed DuPont US Patent No 7,767,254 B2, by making solar cells and inducing its customers to manufacture solar cells, using Heraeus H94XX series and H92XX series front-side silver pastes.
DuPont Electronics & Communications president Dave Miller said as a market-driven science company, DuPont invests significant resources and millions of dollars in research to develop innovative products for its customers.
"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," Miller said.
