The opinion in support of the decision being entered
today was not written for publication in a law journal
and is not binding precedent of the Board.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 YAOPING TAN
and
MAURICE W. LEWIS
Appeal No. 2002-1551
Application No. 09/286,386
ON BRIEF
Before KIMLIN, WALTZ and JEFFREY T. SMITH, Administrative Patent
Judges.
KIMLIN, Administrative Patent Judge.
DECISION ON APPEAL
This is an appeal from the final rejection of claims 4-12,
14, 18-21, 24 and 25. Claim 4 is illustrative:
4. A water-based security printing ink which is water proof
once dried, and which comprises:
(a) a water soluble, dispersible or emulsifiable pigment or
dye
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