UNION CARBIDE CHEMICAL & PLASTIC TECH v. SHELL OIL

Nos. 02-1001, 02-1020.

308 F.3d 1167 (2002)

UNION CARBIDE CHEMICALS & PLASTICS TECHNOLOGY CORPORATION and Union Carbide Corporation, Plaintiffs-Appellants, v. SHELL OIL COMPANY, Shell Chemical Company, and Cri Catalyst Company, Defendants-Appellees.

United States Court of Appeals, Federal Circuit.

Rehearing Denied November 1, 2002.


Attorney(s) appearing for the Case

Steven J. Glassman, Kaye Scholer LLP, of New York, NY, argued for plaintiffs-appellants. With him on the brief were Benjamin C. Hsing and Kimberly D. Branch.

William C. Slusser, Slusser & Frost, L.L.P., of Houston, TX, argued for defendants-cross appellants. With him on the brief were Claudia Wilson Frost, Jayme Partridge, and Laura Friedl Jones. Of counsel on the brief was John D. Norris, Howrey Simon Arnold & White, L.L.P., of Houston, TX.

Before MAYER, Chief Judge, DYK, and PROST, Circuit Judges.


PROST, Circuit Judge.

This is a patent infringement action in which Union Carbide Chemicals & Plastics Technology Corporation and Union Carbide Corporation (collectively "Union Carbide") brought suit against Shell Oil Company, Shell Chemical Company, and CRI Catalyst Company (collectively "Shell") for infringement of various claims of Union Carbide's U.S. Patents Nos. 4,916,243 ("the '243 patent"), 4,908,343 ("the '343 patent"), and 5,057,481 ("the '481 patent...

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