Appeal No. 95-4199
Application No. 08/068,445
where R and R are selected from hydrogen, hydrocarbyl and3 4
halogen-substituted hydrocarbyl; and
(3) an aromatic dicarboxylic acid halide having the
structure
O O
5 5
X—————C——A——C—————X
where A is phenylene and X is chloro or bromo, in the presence
of sufficient aqueous alkali to maintain an alkaline pH and in
the presence of a substantially water-immiscible solvent; and
in the presence of
(4) an effective molecular modifying amount of a
monohydric phenol.
The references of record relied upon by the examiner are:
Vaughn Jr. 3,419,634 Dec. 31, 1968
Schmidt et al. (Schmidt) 4,681,922 Jul. 21,
1987
Okamoto 0376052 Jul. 04, 1990
(Published European Patent Application)
Claims 1 through 12 stand rejected under 35 U.S.C. § 103
as unpatentable over Schmidt in view of Okamoto and Vaughn Jr.
Having carefully considered the respective positions
advanced by the appellants in the brief and the examiner in
the answer, it is our conclusion that the above-noted
rejection is not sustainable. In rejecting claims under 35
U.S.C. § 103 the examiner bears the initial burden of
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