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PHILLIPS PETROLEUM CO. v. UNITED STATES STEEL CORP.

Civ. A. Nos. 83-143, 83-148, 83-547, 83-801, 84-79 and 85-255 MMS.

616 F.Supp. 335 (1985)

PHILLIPS PETROLEUM COMPANY, Shell Oil Company, Northern Petrochemical Company, and El Paso Products Company, and Himont, U.S.A., Inc., Plaintiffs, v. UNITED STATES STEEL CORP., Hercules Incorporated and Phillips Petroleum Company, Defendants.

United States District Court, D. Delaware.

July 24, 1985.

Attorney(s) appearing for the Case

C. Waggaman Berl, Jr., Wilmington, Del. (Harry J. Roper, Sidney Neuman, George S. Bosy, Nicholas A. Poulos, and William P. Oberhardt, Neuman, Williams, Anderson & Olson, Chicago, Ill., of counsel), for Phillips Petroleum Co. and Shell Oil Co.

Charles S. Crompton, Jr., Potter, Anderson & Corroon, Wilmington, Del. (Francis T. Carr, Kenneth E. Madsen, and James Galbraith, Kenyon & Kenyon, New York City, of counsel), for Northern Petrochemical Co., U.S. Steel Corp., Hercules Inc. and Himont, U.S.A., Inc.

Arthur G. Connolly, Jr., Connolly, Bove, Lodge & Hutz, Wilmington, Del. (Thomas F. Reddy, Jr., and Stanton T. Lawrence, III, Pennie & Edmonds, New York City, of counsel), for El Paso Products Co.

OPINION

MURRAY M. SCHWARTZ, Chief Judge.

With the October, 1985 trial date in the Phillips Petroleum Company ("Phillips") polypropylene litigation looming ahead, a new actor has appeared on the already crowded stage to play out the remaining scenes of the lawsuit. On April 30, 1985, Himont U.S.A., Inc. ("Himont") filed an action for declaratory judgment, averring that Phillips' U.S. Patent No. 4,376,851 ("the `851 patent") is invalid, unenforceable, and...

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