Appeal No. 1997-3738
Application No. 08/469,741
wherein R is selected from the group consisting of H,
6
alkyl, alkaryl, alkoxy, alkoxyaryl, alkaryloxy, and
aminoalkyl; X is O, NH, or NR wherein R is H or a 7, 7
C -C1 4 alkyl group; and R is an alkyl, cycloalkyl, or aryl 8
group containing from 3 to 11 carbon atoms; provided that
at least one R substituent is not H.
The following references are relied upon by the examiner
as evidence of obviousness:
Brocklehurst et al. (Brocklehurst) 3,075,921 Jan. 29,
1963
Gray 3,637,339 Jan. 25,
1972
Castrantas et al. (Castrantas) 4,013,575 Mar. 22,
1977
Cottrell et al. (Cottrell) 4,299,716 Nov. 10,
1981
All of the appealed claims stand rejected under 35 U.S.C.
§ 103 for obviousness in view of Castrantas taken with
Brocklehurst and Gray. With regard to claim 14, the examiner1
additionally relies upon Cottrell.2
1Although the examiner's rejection refers to claims 4-17
and 27-31, we note that only claims 4-14 and 27-31 are
pending; claims 15-17 have been previously canceled.
2A previous rejection under 35 U.S.C. § 112, first
paragraph, has been expressly withdrawn in the Examiner's
3
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