Koppers Co. v. Foster Grant Co.

OPINION

CAFFREY, District Judge.

This is a civil action for alleged infringement by defendant of two patents owned by plaintiff, United States Patent No. 2,673,194 (hereafter ’194) and United States Patent No. 2,687,408 (hereafter ’408). Both patents refer to a chemical reaction or process known in the trade as bead polymerization. Defendant is accused of infringing both patents in the course of its commercial production of a substance called Polystyrene. Plaintiff Koppers Company, Inc. is a Delaware corporation with a principal place of business in Pittsburgh, Pennsylvania. Defendant Foster…