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IN RE WIETZEL

Patent Appeal No. 2229.

39 F.2d 669 (1930)

In re WIETZEL et al.

Court of Customs and Patent Appeals.

Rehearing Denied May 19, 1930.

Attorney(s) appearing for the Case

Hauff & Warland, of New York City (William E. Warland, of New York City, of counsel), for appellants.

T. A. Hostetler, of Washington, D. C. (Howard S. Miller, of Washington, D. C., of counsel), for the Commissioner of Patents.

Before GRAHAM, Presiding Judge, and BLAND, HATFIELD, GARRETT, and LENROOT, Associate Judges.

HATFIELD, Associate Judge.

This is an appeal from the decision of the Board of Appeals affirming the decision of the Examiner denying appellant's claims 1 to 5, inclusive, for an alleged invention relating to a process of manufacturing formamid and hydrocyanic acid.

The claims in issue read as follows:

"1. The process of manufacturing formamid and hydrocyanic acid which consists in exposing alkyl formate vapor and ammonia to elevated temperatures in...

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