Ex parte HOVIS et al. - Page 1

           The opinion in support of the decision being entered today was not written for
                     publication and is not binding precedent of the Board.           
                                                                 Paper No. 19         
                      UNITED STATES PATENT AND TRADEMARK OFFICE                       
                         BEFORE THE BOARD OF PATENT APPEALS                           
                                  AND INTERFERENCES                                   
           Ex parte KEITH W. HOVIS, HAROLD R. HUNT and ROBERT B. ELDRIDGE             
                                Appeal No. 1998-1579                                  
                             Application No. 08/388,532                               
                                      ON BRIEF                                        
          Before OWENS, WALTZ and LIEBERMAN, Administrative Patent                    
          OWENS, Administrative Patent Judge.                                         

                                 DECISION ON APPEAL                                   
               This is an appeal from the examiner’s final rejection of               
          claims 1-3, 6-9, 11 and 12, which are all of the claims                     
          remaining in the application.                                               
                                    THE INVENTION                                     
               Appellants claim a process for separating sulfone from a               
          paraffin hydrocarbon alkylation product by extracting the                   
          sulfone from the alkylation product using water.  Claim 1 is                

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