Appeal No. 95-0339
Application 07/881,941
THE REFERENCES
Pujado et al. (Pujado) 4,568,447 Feb. 4, 1986
Burgess, Jr. et al. (Burgess) 5,082,629 Jan. 21, 1992
Jackson et al. (Jackson) 5,213,619 May 25, 1993
(filed Nov. 30, 1989)
THE REJECTION
Claims 1-15 stand rejected under 35 U.S.C. § 103 as being
unpatentable over Jackson in view of Burgess and Pujado.
OPINION
We have carefully considered all of the arguments advanced
by appellant and the examiner and agree with appellant that the
aforementioned rejection is not well founded. Accordingly, this
rejection will be reversed.
Appellant’s claimed invention is an apparatus and method for
detecting the presence of contaminants in a supercritical fluid.
The apparatus includes a processing vessel which contains a
supercritical fluid, a means for removing a sample stream of the
supercritical fluid from the processing vessel and introducing
the sample stream into a vessel having a contaminant measurement
zone, a pressure releasing means for maintaining the pressure
within the measurement zone at or below that required to convert
the sample stream into a gas wherein contaminants in the sample
2
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