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publication and is not binding precedent of the Board.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. 24
UNITED STATES PATENT AND TRADEMARK OFFICE
____________
BEFORE THE BOARD OF PATENT APPEALS
AND INTERFERENCES
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Ex parte BENNO KNAUER, PETER HENNENBERGER,
KLAUS HILLIGARDT, ECKARD SCHAUB,
and HORST BULLACK
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Appeal No. 2003-1968
Application No. 09/327,963
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ON BRIEF
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Before WARREN, KRATZ and POTEATE, Administrative Patent Judges.
KRATZ, Administrative Patent Judge.
DECISION ON APPEAL
This is a decision on appeal from the examiner's refusal to
allow claims 1, 3-6 and 11-13, which are all of the claims
pending in this application.
BACKGROUND
Appellants' invention relates to a gas-phase fluidized bed
reactor for polymerizing ethylenically unsaturated monomers. The
reactor includes a gas distribution plate that forms the lower
boundary of the reactor space and includes a plurality of gas
flow orifices having outlet sides that are conically widened at a
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