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PETROLITE CORP. v. BAKER HUGHES INC.

No. 95-1447.

96 F.3d 1423 (1996)

PETROLITE CORPORATION, Plaintiff-Appellant, v. BAKER HUGHES INCORPORATED and Baker Performance Chemicals Incorporated, Defendants-Appellees.

United States Court of Appeals, Federal Circuit.

Rehearing Denied; Suggestion for Rehearing Declined November 5, 1996.

Attorney(s) appearing for the Case

James H. Riley, II, Pravel, Hewitt, Kimball & Krieger, Houston, TX, argued, for plaintiff-appellant.

David G. Mangum, Parsons, Behle & Latimer, Salt Lake City, UT, argued, for defendants-appellees. With him on the brief was C. Kevin Speirs.

Before MAYER, MICHEL, and BRYSON, Circuit Judges.

Rehearing Denied; Suggestion for Rehearing In Banc Declined November 5, 1996.

MAYER, Circuit Judge.

Petrolite Corporation appeals the judgment of the United States District Court for the Western District of Oklahoma, holding on summary judgment that United States Patent No. 4,978,512, is invalid under 35 U.S.C. § 102(b). Petrolite Corp. v. Baker Hughes Inc., Civ. Action No. Civ-94-311 (W.D.Ok. Mar. 20, 1995) (final judgment order). Because we agree...

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