RICH, Judge.
This appeal is from the decision of the Patent and Trademark Office Board of Appeals affirming the rejection under 35 U.S.C. § 102(a) of claims 25, 27, 31-33, and 35 in appellants' application, serial No. 57,080, filed July 22, 1970, for "Process and Apparatus for the Wet Preparation of Substances, such as Minerals and Ores," on a patent to Tusche and the rejection under 35 U.S.C. § 132 of claims 24 and 26 as being drawn to "new matter." We...
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