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APPLICATION OF GOTTFRIED

Patent Appeal No. 7376.

343 F.2d 490 (1965)

Application of Siegfried GOTTFRIED and Lily Baxendale.

United States Court of Customs and Patent Appeals.

April 15, 1965.

Attorney(s) appearing for the Case

John T. Miller, Springfield, Va. (A. Ponack, Washington, D. C., of counsel), for appellants.

Clarence W. Moore, Washington, D. C. (J. F. Nakamura, Washington, D. C., of counsel), for the Commissioner of Patents.

Before WORLEY, Chief Judge, and RICH, MARTIN, and ALMOND, Judges.

ALMOND, Judge.

This appeal is from a decision of the Board of Appeals affirming the examiner's rejection of process claims 1-5 in appellants' application.1 The invention is a method of converting 18β-glycyrrhetinic acid to 18α-glycyrrhetinic acid.

Claim 1 reproduced below is illustrative:

"A process for the production of 18α-glycyrrhetinic acid, wherein 18β-glycyrrhetinic acid is heated with an alkali...

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