THIS OPINION WAS NOT WRITTEN FOR PUBLICATION
The opinion in support of the decision being entered today (1) was not written for
publication in a law journal and (2) is not binding precedent of the Board.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 RANDALL G. BUCKLEY, BARRY R. BRESLAU and
SHAWN P. TANSEY
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Appeal No. 1997-1298
Application No. 08/227,158
__________
ON BRIEF
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Before DOWNEY, WILLIAM F. SMITH, and ELLIS, Administrative Patent Judges,
DOWNEY, Administrative Patent Judge.
DECISION ON APPEAL
This decision involves an appeal under 35 U.S.C. ' 134 from the final rejection of
claims 22 and 23, all the claims pending in the application.
Claim 22 is illustrative of the subject matter on appeal and reads as follows:
22. A polymer latex recovered from whitewater emulsion by contacting the
whitewater emulsion with an ultrafiltration membrane under laminar flow conditions, to
remove water from the whitewater emulsion, wherein the whitewater is generated by
diluting a polymer latex product, and wherein the polymer latex so recovered may be
blended into the product at a level of at least 5 weight percent with no deleterious effect
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