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today was not written for publication and is not
binding precedent of the Board.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. 21
UNITED STATES PATENT AND TRADEMARK OFFICE
________________
BEFORE THE BOARD OF PATENT APPEALS
AND INTERFERENCES
________________
Ex parte WILLIAM A. WELSH and STEPHEN R. SCHMIDT
________________
Appeal No. 1997-1791
Application No. 08/485,304
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ON BRIEF
________________
Before KIMLIN, PAK and KRATZ, Administrative Patent Judges.
KIMLIN, Administrative Patent Judge.
DECISION ON APPEAL
This is an appeal from the final rejection of claims 1-5 and
13-16, all the claims remaining in the present application.
Claim 1 is illustrative:
1. A flatting agent comprising an inorganic hydrogel having
a pore volume of at least 1.0 ml/g, a volatiles content of at
least 40 wt.%, an average particle size in the range of 1 to 10
microns and a particle size distribution such that when the
inorganic hydrogel flatting agent is dispersed in a coating
vehicle, the fineness of grind is at least 4.75 on a Hegman
scale.
-1-
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