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DuPont (DD - Analyst Report) has filed a patent infringement lawsuit in the U.S. District court for the District of Delaware against SunEdison (SUNE - Analyst Report) and its confederate NVT LLC. - DuPont claimed that SunEdison has - infringed the former’s patented “Telurium Paste” technology by using photovoltaic cells and solar modules containing “front side metallization paste” manufactured by Samsung SDI Co., Ltd. Neo Solar Power of Taiwan, the cell manufacturer, and Flextronics, the contract manufacturer of SunEdison were also named in the complaint.

According to DuPont Electronics & Communications, installers and module makers like SunEdison are not suppose to use infringing cells or pastes from any other manufacturers other than DuPont and are licensed to use only its patent technology.  DuPont will execute its patent rights against violation of the contract to protect its investments in innovation for improving solar power efficiency.

 DuPont is a leading supplier of raw materials to the solar cell industry and has helped to boost power output and reliable lifetime and lower costs through its innovative Solamet photovoltaic metallization paste products. These innovations are a result of DuPont’s heavy investment in research and development.

 DuPont Photovoltaic Solutions (DPVS) comprise a wide and growing range of products including Solamet photovoltaic metallization pastes. These products combine science and technology to provide solutions to the growing solar industry across the globe.

 DuPont is a Zacks Rank #3 (Hold) stock.

Better-ranked companies worth considering in the diversified chemical space include Celanese Corporation (CE - Analyst Report) and LyondellBasell Industries NV (LYB - Analyst Report).  Both carry a Zacks Rank #2 (Buy).

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