Legal Opinion
Calgon Corp. v. Nalco Chemical Co.
District Court, D. Delaware
Decided December 13, 1989No. Civ. A. 89-90-JRRPublishedCited by 23 opinions
1Opinion of the Court
OPINION
ROTH, District Judge.
FACTS
This is a patent infringement case. Plaintiff Calgon Corporation (“Calgon”) and defendant Nalco Chemical Company (“Nalco”) are both Delaware corporations. Calgon owns certain rights to United States Patent No. 4,656,059 (“the ’059 patent”), which covers a treating agent and method for collecting surplus paint that allows automobiles and other objects to be painted more efficiently in a wet spray booth. Calgon alleges that Nalco has infringed the ’059 patent. Title to the patent is held by Kurita Water Industries Ltd. (“Kurita”), a Japanese corporation, which…
2Cases cited17 opinions
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3Cited by23 opinions
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