The opinion in support of the decision being entered today was not written for publication and is not
binding precedent of the Board.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. 35
UNITED STATES PATENT AND TRADEMARK OFFICE
__________
BEFORE THE BOARD OF PATENT APPEALS
AND INTERFERENCES
__________
Ex parte SUN-YI HUANG, LOUIS ROSATI,
and JOSEPH J. KOZAKIEWICZ
__________
Appeal No. 2001-0061
Application No. 08/720,851
__________
ON BRIEF
__________
Before GARRIS, TIMM, and MOORE, Administrative Patent Judges.
GARRIS, Administrative Patent Judge.
DECISION ON APPEAL
This is a decision on an appeal from the final rejection of claims 1-22, which are
all of the claims in the application.
The subject matter on appeal relates to an aqueous dispersion composition
comprising (a) a first cationic water-soluble or water-swellable polymer, (b) a second
water-soluble polymer different from the first, (c) a kosmotropic salt and (d) a chaotropic
salt, wherein the amounts of (b), (c) and (d) are such that a homogeneous composition
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