GRAHAM, Presiding Judge.
This is an appeal from a decision of the Board of Appeals of the United States Patent Office, affirming the decision of the Primary Examiner in rejecting claims 1 to 10, inclusive, and 12 to 20, inclusive, of appellant's application for a patent on certain products and improvements in a process of treating minerals. Claims 17, 18, and 19 are the product claims.
The Examiner allowed claims 11 and 21, while the remaining claims were...
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