Ex parte KRONE-SCHMIDT - Page 2




          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             

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