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AKZONA INC. v. E.I. DU PONT DE NEMOURS & CO.

Civ. A. No. 84-10 LON.

607 F.Supp. 227 (1984)

AKZONA INCORPORATED, a corporation of Delaware, d/b/a American Enka Company, Enka B.V., a corporation of The Netherlands and Aramide Maatschappij VoF., a partnership of the Netherlands, Plaintiffs, v. E. I. DU PONT DE NEMOURS & COMPANY, Defendant, v. AKZO N.V., Defendant on the Counterclaim.

United States District Court, D. Delaware.

October 2, 1984.

Attorney(s) appearing for the Case

E. Norman Veasey, and R.H. Richards, III, of Richards, Layton & Finger, Wilmington, Del., for plaintiffs; Dennis McInerney, and George Wailand, of Cahill Gordon & Reindel, New York City; Robert H. Faulk, of Hubbard, Thurman, Turner & Tucker, Dallas, Tex.; C. Frederick Leydig and John E. Rosenquist, of Leydig, Voit, Osann, Mayer & Holt, Ltd., Chicago, Ill., of counsel.

Richard L. Sutton, and Jack B. Blumenfeld, of Morris, Nichols, Arsht & Tunnell, Wilmington, Del., for defendants; Joseph M. Fitzpatrick, of Fitzpatrick, Cella, Harper & Scinto, New York City; Robert C. Kline, and Donald A. Hoes, Wilmington, Del., of counsel.

OPINION

LONGOBARDI, District Judge.

Plaintiffs, Akzona Incorporated ("Akzona"), Enka B.V. ("Enka") and Aramide Maatschappij VoF., have brought an action for a declaratory judgment that six patents assigned to E.I. Du Pont De Nemours & Company ("DuPont") relating to aramid fibers are invalid, unenforceable and noninfringed. Aramid fibers are sold by DuPont under the trade name Kevlar and by Enka under the...

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