Ex parte CHAU et al. - Page 6




          Appeal No. 95-1473                                                          
          Application No. 07/997,279                                                  


          expectation that ammonium chloride would successfully achieve the           
          results taught by Vodoklys in the relatively mild environment of            
          a lehring step.  In re O’Farrell, 853 F.2d 894, 904, 7 USPQ2d               
          1673, 1681 (Fed. Cir 1988) (for obviousness under § 103, a                  
          reasonable expectation of success is required).                             
               In light of the foregoing, we cannot sustain the examiner’s            
          § 103 rejection of claim 7 as being unpatentable over the                   
          Admitted Prior Art or Westinghouse in view of Ropp and Vodoklys.            
               The decision of the examiner is reversed.                              



                                      REVERSED                                        



                         EDWARD C. KIMLIN         )                                   
                         Administrative Patent Judge)                                 
                                                  )                                   
                                                  )                                   
                                                  )                                   
                         BRADLEY R. GARRIS        )  BOARD OF PATENT                  
                         Administrative Patent Judge)    APPEALS AND                  
                                                  )   INTERFERENCES                   
                                                  )                                   
                                                  )                                   
                         TERRY J. OWENS           )                                   
                         Administrative Patent Judge)                                 



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