RICH, Judge.
This appeal is from the decision of the Patent Office Board of Appeals affirming the rejection of all claims of application serial No. 419,683, filed March 30, 1954, entitled "Compositions and Methods for Producing Same." The application is described as a continuation-in-part of applications serial No. 74,488, filed February 3, 1949, No. 163,787, filed May 23, 1950, and No. 194,393, filed November 6, 1950.
The claims remaining are 13-16 and 20...
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