Appeal No. 1997-3644 Page 2
Application No. 08/120,041
formula R NCS- or R NS-, wherein both R groups are identical2 2
C H branched alkyl. Claim 11, the sole independent claim on
9 19
appeal, is reproduced below.
11. A method for minimizing the production of
nitrosamines in the vulcanisation of rubber, the improvement
comprising incorporating an accelerating or vulcanising
effective amount of a compound including a group of the
formula R NCS- or R NS-, wherein the two R groups are identical2 2
C H branched alkyl.
9 19
The prior art references of record relied upon by the
examiner in rejecting the appealed claims are:
Amidon et al. (Amidon) 3,674,824 July 04,
1972
Mastromatteo et al. (Mastromatteo) 3,678,135 July
18, 1972
Claims 11-20 stand rejected under 35 U.S.C. § 103 as
being unpatentable over Amidon or, in a separately stated §
103 rejection, over Mastromatteo.
OPINION
In reaching our decision in this appeal, we have given
careful consideration to the appellant’s specification and
claims, to the applied prior art references, and to the
respective positions articulated by appellant and the
examiner. In so doing, we find ourselves in agreement with
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