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for publication and is not binding precedent of the Board.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. 17
UNITED STATES PATENT AND TRADEMARK OFFICE
__________
BEFORE THE BOARD OF PATENT APPEALS
AND INTERFERENCES
__________
Ex parte RAFAEL PI SUBIRANA,
ESTER PRAT QUERALT, and JOAQUIM BIGORRA LLOSAS
__________
Appeal No. 2002-0448
Application No. 09/194,824
__________
ON BRIEF
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Before SCHEINER, ADAMS, and GREEN, Administrative Patent Judges.
ADAMS, Administrative Patent Judge.
DECISION ON APPEAL
This is a decision on the appeal under 35 U.S.C. § 134 from the
examiner’s final rejection of claims 11-15, which are all the claims pending in the
application.
Claim 11 is illustrative of the subject matter on appeal and is reproduced
below:
11. A process for increasing the viscosity of an aqueous surface-active
composition comprising adding to the aqueous surface-active
composition a viscosity increasing-effective amount of a reaction
product of a hydroxycarboxylic acid selected from the group
consisting of tartaric acid, malic acid, citric acid and mixtures thereof,
and a fatty alcohol polyglycol ether corresponding to formula I:
R1O(CH2CH2O)nH (I)
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