The opinion in support of the decision being entered
today was not written for publication and is not binding
precedent of the Board.
Paper No. 41
UNITED STATES PATENT AND TRADEMARK OFFICE
_______________
BEFORE THE BOARD OF PATENT APPEALS
AND INTERFERENCES
_______________
Ex parte BIN CHUNG,
JOHN M. FUNT, BRUCE E. MACKAY
and MARK A. WILKINSON
______________
Appeal No. 2000-1162
Application 08/967,876
_______________
ON BRIEF
_______________
Before WARREN, OWENS and PAWLIKOWSKI, Administrative Patent Judges.
WARREN, Administrative Patent Judge.
Decision on Appeal
This is an appeal under 35 U.S.C. § 134 from the decision of the examiner finally
rejecting claims 1 through 14, which are all of the claims in the application. The grounds of
rejection of appealed claims 1 through 4 and 12 have been withdrawn by the examiner, leaving
appealed claims 5 through 11, 13 and 14 for our consideration. Claims 5 and 8 are illustrative of
the claims on appeal:
5. An ethylene-propylene-diene-monomer (EPDM) composition having a smooth high
gloss finish when extruded comprising ethylene-propylene-diene-monomer (EPDM) and a
carbon black having a cetyl-trimethyl ammonium bromide absorption value (CTAB) of about 10
m2/g to about 30 m2/g and a ratio of dibutyl phthalate adsorption value/cetyl-trimethyl
ammonium bromide absorption value (DBP/CTAB) greater than about 4, wherein the carbon
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