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MOBIL OIL CORP. v. AMOCO CHEMICALS CORP.

Civ. A. No. 83-207 LON.

779 F.Supp. 1429 (1991)

MOBIL OIL CORPORATION, Plaintiff, v. AMOCO CHEMICALS CORPORATION, Defendant.

United States District Court, D. Delaware.

December 27, 1991.

Attorney(s) appearing for the Case

Charles S. Crompton, Jr. and William J. Marsden, Jr. of Potter Anderson & Corroon, Wilmington, Del. (John A. Diaz, Stephen R. Smith, Christopher K. Hu, Bartholomew Verdirame and Bruce P. Radin of Morgan & Finnegan, New York City, on brief), for plaintiff.

Richard K. Herrmann of Bayard, Handelman & Murdoch, P.A., Wilmington, Del. (D. Dennis Allegretti, John J. McDonnell, Paul H. Berghoff, Jamie S. Smith and Alvin Dodek of Allegretti & Witkoff, Ltd., on brief), for defendant.

OPINION

LONGOBARDI, Chief Judge.

The Plaintiff Mobil Oil Corporation ("Mobil") alleges that Defendant Amoco Chemicals Company ("Amoco") is infringing patents owned by Mobil. These patents cover compositions known as ZSM-5 zeolites and their use as catalysts. Amoco denies that it infringes Mobil's patents and also alleges that Mobil's patents are invalid.

I. TECHNICAL AND FACTUAL BACKGROUND

A. Zeolites

Natural and synthetic...

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