Ex parte SIRKAR et al. - Page 3




          Appeal No. 1997-1733                                                        
          Application 08/248,062                                                      


          gas-feed mixture in the gas feed chamber and a liquid pressure              
          of a liquid absorbent in the liquid absorbent chamber                       
          substantially within a predetermined                                        


          pressure range so that an interface between the gas-feed                    
          mixture and the liquid absorbent is substantially immobilized               
          at the membrane, to effectively prevent the formation of a                  
          dispersion of gas-feed mixture and liquid absorbent in either               
          chamber on opposing sides of the membrane;                                  
               (c) a regeneration module; and                                         
               (d) a nonporous membrane that is permeable to the                      
          volatile solute located within and connected to the                         
          regeneration module, the nonporous membrane dividing the                    
          regeneration module into a liquid absorbent chamber and a                   
          vacuum atmosphere or sweep vapor chamber, the regeneration                  
          module having a liquid absorbent inlet port and a liquid                    
          absorbent outlet port which communicate with the liquid                     
          absorbent chamber and a vacuum outlet port or sweep vapor                   
          outlet port which communicates with the vacuum or sweep vapor               
          chamber.                                                                    
                                   THE REFERENCES                                     
          Schofield et al. (Schofield)       5,236,474       Aug. 17,                 
          1993                                                                        
          Birbara et al. (Birbara)           5,281,254       Jan. 25,                 
          1994                                                                        
          Babcock                            5,354,469       Oct. 11,                 
          1994                                                                        
          (filed Jun. 14,                                                             
          1993)                                                                       
                                   THE REJECTIONS                                     
               Claims 1, 3, 4, 6-8, 10-15, 17, 18 and 21-23 stand                     


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