Appeal No. 95-4762
Application No. 08/086,885
As evidence of obviousness the examiner relies upon the
following references:
Pfizer (Britain) 854,999 Nov. 23, 1960
British Petroleum (PCT) 81/01844 Jul. 9, 1981
Cram et al. (Cram), "Organic Chemistry," McGraw-Hill, pp. 310-
311, (1959).
McCabe et al. (McCabe), "Clay-and Zeolite-catalysed Cyclic
Anhydride Formation," J. Chem. Research(S), pp. 356-357,
(1985).
THE REJECTIONS
Claims 1 through 3, 5, 6, 13 through 20 and 29 through 35
stand rejected under 35 U.S.C. § 103 as unpatentable over
Cram, Pfizer, British Petroleum and McCabe.
OPINION
Having carefully considered the evidence of record before
us, we conclude that the examiner has not established a prima
facie case of obviousness within the meaning of 35 U.S.C. §
103. Accordingly, we reverse the examiner's decision rejecting
claims 1 through 3, 5, 6, 13 through 20 and 29 through 35.
The examiner in his rejection relies upon a combination
of four references. No relationship of primary or secondary
references has been established by the examiner. In our
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