HATFIELD, Associate Judge.
This is an appeal from the decision of the Board of Appeals of the United States Patent Office affirming the decision of the Primary Examiner rejecting all of the claims, Nos. 13 to 16, inclusive, in appellant's application for a patent for an alleged invention relating to a thickener for use in printing, "for instance, of textiles," consisting of a prepared gum solution having the calcium elements disunited, as stated in claims 13 and 15...
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