Appeal No. 1997-3492
Application No. 08/428,994
consideration. The claims on appeal are directed to
crosslinkable compositions. Claim 1 is illustrative and reads
as follows:
1. A crosslinkable composition comprising a mixture of a
halogenated elastomer selected from chlorinated or brominated
interpolymers of a C to C isoolefin and a para-alkylstyrene4 7
comonomer, a crosslinking agent and from 0.1 to 10.0 parts by
weight, per 100 parts of the halogenated elastomer by weight,
of an accelerator compound containing one or more groups of
the formula
-S-SO -OM
2
attached to a hydrocarbon radical or to an organic bridging
group wherein M is a monovalent metal, the equivalent of a
multivalent metal, a monovalent ion derived by the addition of
a proton to a nitrogenous base, or the equivalent of a
multivalent ion derived by the addition of two or more protons
to a nitrogenous base.
The references relied upon by the examiner are:
Delseth et al. (Delseth) 4,704,334 Nov. 3,
1987
Powers et al. (Powers) 5,162,445 Nov. 10, 1992
The following rejections are at issue in this appeal:1
(1) Claims 1, 2, 4-7 and 15-25 are rejected under 35
U.S.C. § 103 as being unpatentable over Delseth.
1Claims 8 and 10-12 were also finally rejected under
35 U.S.C. § 112, first and second paragraphs. However, those
rejections have been withdrawn by the examiner. See Answer,
p. 1.
2
Page: Previous 1 2 3 4 5 6 7 8 Next
Last modified: November 3, 2007