The opinion in support of the decision being entered today was not
written for publication and is not binding precedent of the Board.
UNITED STATES PATENT AND TRADEMARK OFFICE
____________
BEFORE THE BOARD OF PATENT APPEALS
AND INTERFERENCES
____________
Ex parte DURIEZ GILBERT and DEWIMILLE BERNARD
____________
Appeal No. 2006-2629
Application No. 09/887,066
Technology Center 1700
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HEARD: October 17, 2006
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Before OWENS, WALTZ and GAUDETTE, Administrative Patent Judges.
OWENS, Administrative Patent Judge.
DECISION ON APPEAL
This appeal is from a rejection of claims 9-23, which are
all of the pending claims.
THE INVENTION
The appellants claim an apparatus and method for analyzing
and/or measuring gaseous constituents in drilling fluids.
Claim 9 is illustrative:
An analysis and/or measuring device comprising means
for extracting, in the gaseous form, hydrocarbons contained
in a liquid drilling fluid after drilling in a reservoir
rock, means for transporting said extracted gases, and means
intended for analysis and measurement on these extracted
gases, characterized in that said transport means include a
tubular line comprising an inner tube which limits retention
of trace hydrocarbons made from at least one plastic
selected from the group consisting of PTFE
(polytetrafluoroethylene), FEP (tetrafluoroethene-
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