WORLEY, Chief Judge.
Zenitz appeals from the affirmance by the Board of Appeals of the rejection of claims 3, 5, 9 through 12 and 21 of his patent application.
The appellant deals with chemical compounds described as 10-piperidinoalkylene derivatives of trifluoromethyl phenothiazines which are said to be useful as "hypotensive agents, antinauseants, antipyretics and sedatives." Claim 3 reads:
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