BLAND, Associate Judge.
Claims 1, 2, 3, and 4 of appellant's application for a patent relating to materials for and methods of coloring foodstuffs were rejected by the Primary Examiner of the United States Patent Office. Claims 5 to 8, inclusive (method claims), were allowed. The decision of the examiner rejecting the claims was affirmed by the Board of Appeals, and the appellant has appealed from the decision of the latter to this court.
Claim 3 is regarded...
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