Court of Appeals for the Federal Circuit September 7, 2000, 99-1043 (Ecolochem, Inc. v. Southern California Edison Company)

MICHEL, Circuit Judge.

Ecolochem, Inc. (“Ecolochem”) filed suit in 1992, alleging that Southern California Edison Company (“Edison”) infringed Ec-olochem’s U.S. Patent Nos. 4,556,492 (“the ’492 patent”) and 4,818,411 (“the ’411 patent”) when deoxygenating water in the High-Flow Makeup Demineralizer (“HFMUD”) at Edison’s San Onofre Nuclear Generating Station (“SONGS”).