The DOW CHEMICAL COMPANY, Appellee,
v.
AMERICAN CYANAMID COMPANY, Appellant.
United States Court of Appeals, Federal Circuit.https://leagle.com/images/logo.png
April 8, 1987.
April 8, 1987.
Attorney(s) appearing for the Case
Bernd W. Sandt, of Dow Chemical Co., Midland, Mich., argued for appellee. Of counsel were Dugald S. McDougall, of McDougall, Hersh & Scott, Chicago, Ill., Michael S. Jenkins and Charles J. Enright, of Dow Chemical Co., Midland, Mich.
D. Dennis Allegretti of Allegretti, Newitt, Witcoff & McAndrews, Ltd., Chicago, Ill., argued for appellant. Of counsel were Jon O. Nelson and Stephen F. Sherry, of Allegretti, Newitt, Witcoff & McAndrews, Ltd., Chicago, Ill., and Gordon L. Hart, of American Cyanamid Company, Stamford, Conn.
Before MARKEY, Chief Judge, RICH, and DAVIS, Circuit Judges.
United States Court of Appeals, Federal Circuit.
RICH, Circuit Judge.
This appeal is from the final judgment of the United States District Court for the Eastern District of Louisiana, 615 F.Supp. 471, 229 USPQ 171 (1985), holding that certain claims of plaintiff-appellee Dow Chemical Company's (Dow) U.S. Patents No. Re 31,430 ('430 reissue patent), No. 3,994,973 ('973 patent), and No. 3,642,894 ('894 patent), are not invalid and were infringed by defendant-appellant American...
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