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today was not written for publication and is not binding
precedent of the Board.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. 19
UNITED STATES PATENT AND TRADEMARK OFFICE
_______________
BEFORE THE BOARD OF PATENT APPEALS
AND INTERFERENCES
_______________
Ex parte LUDWIG J. GAUCKLER
and THOMAS GRAULE
______________
Appeal No. 2001-1668
Application 09/036,754
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ON BRIEF
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Before WARREN, PAWLIKOWSKI and MOORE, 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 36 through 42. Claim 36 is illustrative of the claims on appeal:
36. A process for the production of a ceramic green part which comprises:
providing a castable, aqueous slip having slip particles including particles selected from
the group consisting of oxidic particles and non-oxidic particles therein, said slip particles having
an oxide surface and a surface charge, wherein said surface charge is obtained by adding to said
slip particles a material selected from the group consisting of an acid and a base;
adding an active substance to the slip wherein said active substance is a chemical which
is decomposable due to time delayed, temperature sensitive reactions;
mixing and degassing the resultant slip;
casting the mixed and degassed slip into a mold;
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