THIS OPINION WAS NOT WRITTEN FOR PUBLICATION
The opinion in support of the decision being entered today (1) was not written for publication in a law journal and (2) is not
binding precedent of the Board.
Paper No. 23
UNITED STATES PATENT AND TRADEMARK OFFICE
_____________
BEFORE THE BOARD OF PATENT APPEALS
AND INTERFERENCES
_____________
Ex parte FRANK ACHENBACH and HERBERT BARTHEL
_____________
Appeal No. 1998-0138
Application 08/381,8091
_____________
ON BRIEF
_____________
Before McKELVEY, Senior Administrative Patent Judge, and SCHAFER and TORCZON,
Administrative Patent Judges.
SCHAFER, Administrative Patent Judge.
Decision on Appeal under 35 U.S.C. § 134
Applicants appeal from the rejection of claims 5-7, 13 and 16-19. We have jurisdiction
pursuant to 35 U.S.C. § 134.
The invention relates to heat-stabilized silicone rubber. Applicants claim two embodiments: (1)
a precursor composition capable of being cross-linked to form a silicone rubber (claims 5-15) and (2)
a method of increasing the heat stability or heat resistance of silicone rubber (claims 16-21). The
composition includes at least four components: (a) a palladium compound in a heat-stabilizing effective
11Application for patent filed February 1, 1995.
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