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not written for publication and is not binding precedent of the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. 44
UNITED STATES PATENT AND TRADEMARK OFFICE
__________
BEFORE THE BOARD OF PATENT APPEALS
AND INTERFERENCES
__________
Ex parte JEAN-PIERRE DATH, LUC DELORME, JACQUES-FRANCOIS
GROOTJANS, XAVIER VANHAEREN, and WALTER VERMEIREN
___________
Appeal No. 2005-0183
Application No. 09/206,218
__________
HEARD: Feb. 9, 2005
_________
Before WARREN, WALTZ, and DELMENDO, Administrative Patent Judges.
WALTZ, Administrative Patent Judge.
DECISION ON APPEAL
This is a decision on an appeal from the primary examiner’s
final rejection of claims 1 through 12, 14, 15, and 18 through
21, which are the only claims remaining in this application. We
have jurisdiction pursuant to 35 U.S.C. § 134.
According to appellants, the invention is directed to a
process for increasing the stability of a MFI crystalline
silicate catalyst where the catalyst is pretreated by steaming
followed by de-aluminating through use of a complexing agent for
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