Ex Parte LIFSHUTZ 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          not written for publication and is not binding precedent of the             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. 49              

                      UNITED STATES PATENT AND TRADEMARK OFFICE                       
                                     __________                                       
                         BEFORE THE BOARD OF PATENT APPEALS                           
                                  AND INTERFERENCES                                   
                                     __________                                       
                     Ex parte NORMAN LIFSHUTZ, RICHARD E. GAHAN                       
                                AND GRAHAM C. STEVENS                                 
                                     __________                                       
                                Appeal No. 2002-0224                                  
                               Application 08/628,327                                 
                                     ___________                                      
                                      ON BRIEF                                        
                                     ___________                                      
          Before PAK, OWENS and WALTZ, Administrative Patent Judges.                  
          OWENS, Administrative Patent Judge.                                         

                                 DECISION ON APPEAL                                   
               This appeal is from the refusal to allow claims 23-30 as               
          amended after final rejection.  These are all of the claims                 
          remaining in the application.                                               
                                    THE INVENTION                                     
               The appellants’ claimed invention is directed toward a                 
          filter media comprising a melt blown electret polypropylene fiber           
          web having therein a specified additive for enhancing sustained             
          electret filtration.  Claim 23 is illustrative:                             







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