Case: Patents/Claim Construction (D. Del.)

A federal district court in Delaware construed disputed claims in Cargill Inc.'s action against Vantage Specialty Chemicals Inc. for infringement of a patent that relates to processes for transesterifying jojoba wax esters by contacting a feedstock that contains the wax esters with an enzyme called a lipase. The court construed "feedstock" as "all of the material contacted by the lipase," "a/the transesterified product" as "a/the product formed by the transesterification with lipase of the jojoba wax esters and the hydrogenated jojoba wax esters," and "an oxidative stability index (OSI) of the transesterified product is greater than an OSI of the ...

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