Ex parte CHAN - 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                   publication and is not binding precedent of the Board.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. 17              


                      UNITED STATES PATENT AND TRADEMARK OFFICE                       
                                    _____________                                     
                         BEFORE THE BOARD OF PATENT APPEALS                           
                                  AND INTERFERENCES                                   
                                    _____________                                     
                               Ex parte KWAN-HO CHAN                                  
                                    _____________                                     
                                Appeal No. 1998-2327                                  
                             Application No. 08/467,619                               
                                   ______________                                     
                                      ON BRIEF                                        
                                   _______________                                    

          Before GARRIS, JEFFREY T. SMITH, and PAWLIKOWSKI,                           
          Administrative Patent Judges.                                               
          GARRIS, Administrative Patent Judge.                                        

                                 DECISION ON APPEAL                                   
               This is a decision on an appeal which involves claims 1-               
          20.  These are all of the claims in the application.                        
               The subject matter on appeal relates to a bone cement                  
          preparation system comprising a container having a first                    
          chamber and a second chamber.  The first chamber contains a                 
          first liquid component comprising a liquid alkyl methacrylate,              
          poly(alkyl methacrylate), polymerization initiator and a                    





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