RICH, Judge.
This appeal is from the decision of the Patent and Trademark Office (PTO) Board of Appeals (board) affirming the rejection of claims 1-8 and 10-20 in the application of William L. Albrecht and Robert W. Fleming, serial No. 300,765, filed October 25, 1972, for "Bis-Basic Ketones of Dibenzothiophene," under 35 U.S.C. § 103 as obvious from the combined teachings of Whaley et al. (Whaley) and Anderson. We affirm.
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