O'CONNELL, Associate Judge.
This is an appeal from the decision of the Board of Appeals of the United States Patent Office affirming the action of the Primary Examiner in rejecting claims 1, 2, 3, and 4 being all the claims in appellants' application for a patent on coating compositions containing substantial amounts of polyvinyl acetate acetal and a melamine-formaldehyde resin. Claims 1, 2, and 4 were rejected as unpatentable over the prior art of record and claim...
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