Evonik Sues Rivals Over Biofuel Process Patents
Evonik filed suit Thursday in the U.S. District Court for the District of Delaware, accusing ERS of infringing U.S. Patent Numbers 7,378,528 and 7,652,145. The suit also accuses Materia of infringing the '145 patent.
Both patents cover catalysts used in a chemical-production process known as metathesis, according to the complaint.
ERS allegedly uses metathesis-based processes to...
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