The opinion in support of the decision being entered today was not written
for publication and is not binding precedent of the Board.
UNITED STATES PATENT AND TRADEMARK OFFICE
__________
BEFORE THE BOARD OF PATENT APPEALS
AND INTERFERENCES
__________
Ex parte JOSE M. SOSA, KENNETH P. BLACKMON
and DOUG BERTI
__________
Appeal 2006-2617
Application 10/729,446
Technology Center 1700
__________
ON BRIEF
__________
Before SCHEINER, MILLS, and GRIMES, Administrative Patent Judges.
GRIMES, Administrative Patent Judge.
DECISION ON APPEAL
This appeal involves claims to impact modified polystyrenes and
methods for their preparation. The examiner has rejected the claims as
anticipated and obvious. We have jurisdiction under 35 U.S.C. § 134. We
affirm.
BACKGROUND
“Polystyrene is one of the largest volume thermoplastic resins in
commercial production today.” (Specification 1.) However, unmodified
polystyrene can be too brittle for certain applications. (Id.) “Thus, styrene-
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