Celanese Corp. v. E. I. Du Pont De Nemours & Co.

154 F.2d 146 (1946)

CELANESE CORPORATION OF AMERICA

v.

E. I. DU PONT DE NEMOURS & CO.

Patent Appeal No. 5101.

Court of Customs and Patent Appeals.

March 6, 1946.

I. Seltzer and C. W. Levinson, both of New York City, for appellant.

Stone, Boyden & Mack, of Washington, D. C. (Wilson C. Baily, of West Chester, Pa., and J. Hanson Boyden, of Washington, D. C., of counsel), for appellee.

Before GARRETT, Presiding Judge, and BLAND, HATFIELD, JACKSON, and O'CONNELL, Associate Judges.

O'CONNELL, Associate Judge.

This is an appeal from the decision of the Commissioner of Patents, rendered by the First Assistant,…