ALMOND, Judge.
William R. Burgess appeals from the decision of the Board of Appeals affirming the rejection of claims 2-10 in his application serial No. 791,138 filed February 4, 1959, entitled "Method for Preparing Mineral-Free Water." One claim has been allowed.
Broadly, appellant's invention relates to a method for regenerating mixtures of anion and cation exchange materials employed, inter alia, for removing the minerals in water thereby "softening" the...
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