Ex Parte PRINSSEN - Page 2




          Appeal No. 1997-3267                                                        
          Application 08/324,386                                                      



          the final rejection in a paper filed May 6, 1996 (Paper No. 25).            
          Claims 1 through 3 have been canceled.                                      


                    Appellant’s invention pertains to a filtering device              
          and method using a high pressure chamber for separating liquid              
          and solid material from a mixture wherein a component of the                
          mixture can pass into a gaseous phase at ambient temperature and            
          atmospheric pressure.  By placing the mixture being separated               
          under a higher pressure than the lowest evaporation pressure of             
          any of the mixture’s components, no component of the mixture can            
          pass to the gaseous phase.  Independent claims 4, 7 and 10 are              
          representative of the subject matter on appeal and copies of                
                                                        1                             
          these claims, as reproduced from the Appendix  of appellant’s               
          amendment after final (Paper No. 25, filed May 6, 1996), are                
          attached to this decision.                                                  





















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