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written for publication and is not binding precedent of the Board.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. 15
UNITED STATES PATENT AND TRADEMARK OFFICE
____________
BEFORE THE BOARD OF PATENT APPEALS
AND INTERFERENCES
____________
Ex parte JOACHIM WERNER, SCOTT A. KANE,
HERMAN P. DOERGE and ERIC F. BOONSTRA
____________
Appeal No. 1998-1125
Application No. 08/410,247
____________
ON BRIEF
____________
Before, KIMLIN, OWENS, and KRATZ, Administrative Patent Judges.
KRATZ, Administrative Patent Judge.
DECISION ON APPEAL
This is a decision on appeal from the examiner's final
rejection of claims 1-8, which are all of the claims pending
in this application.
BACKGROUND
Appellants' invention relates to a composition consisting
essentially of perfluorohexane and n-pentane or 2-methyl
butane in specified amounts. The composition is described as
possessing azeotropic attributes by appellants. The
composition is disclosed as being useful as a blowing agent in
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