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STOKES MACH. CO. v. COE

No. 8715.

146 F.2d 866 (1945)

F. J. STOKES MACH. CO. v. COE, Commissioner of Patents.

United States Court of Appeals District of Columbia.

Decided January 22, 1945.

Attorney(s) appearing for the Case

Mr. Roger T. McLean, of New York City, member of the Bar of the Court of Appeals of New York, pro hac vice, by special leave of Court, with whom Mr. Clarence M. Fisher, of Washington, D. C., was on the brief, for appellant.

Mr. R. F. Whitehead, of Washington, D. C., with whom Mr. W. W. Cochran, Solicitor, U. S. Patent Office, of Washington, D. C., was on the brief, for appellee.

Before MILLER, EDGERTON and ARNOLD, Associate Justices.

ARNOLD, Associate Justice.

Appellant seeks a patent on a process for preserving biological products, such as sera, vaccines, antitoxins, and the like. As originally produced these products contain 90% water and deteriorate on storage. In the process involved in this case the material is frozen and then subjected to a high vacuum below the freezing point which evaporates the frozen water and removes over 99.9% of it, leaving a dry product which is remarkably stable...

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