JACKSON, Associate Judge.
This is an appeal from a decision of the Board of Appeals of the United States Patent Office affirming that of the Primary Examiner rejecting all of the claims 1 to 9, inclusive, of an application for a patent for new and useful improvements in Chemical Manufacture. The claims were held to be unpatentable over the patent to Basel et al., 2,178,622, November 7, 1939.
Claims 4, 6 and 9 are illustrative of the subject matter and read...
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