LEROT et al. V. BERTHE et al. - Page 1




                     Paper No. 49                                                                                                                                                      
                     Filed by:     APJ Adriene Lepiane Hanlon                                                                                                                          
                     Box Interference                                                                                                                                                  
                     Washington, D.C.  20231                                                                                                                                           
                     Tel: 703-308-9896                                                                                                                                                 
                     Fax: 703-308-7953                                                                                                                                                 
                                            THIS OPINION WAS NOT WRITTEN FOR PUBLICATION                                                                                               
                     The opinion in support of the decision being entered today                                                                                                        
                     (1) was not written for publication in a law journal and                                                                                                          
                     (2) is not binding precedent of the Board.                                                                                                                        

                                               UNITED STATES PATENT AND TRADEMARK OFFICE                                                                                               
                                                                             _____________                                                                                             
                                                      BEFORE THE BOARD OF PATENT APPEALS                                                                                               
                                                                         AND INTERFERENCES                                                                                             
                                                                             _____________                                                                                             
                                                              LUC LEROT, VINCENT WILMET                                                                                                
                                                                     and JOSEPH PIROTTON,                                                                                              
                                                                            Junior Party,1                                                                                             
                                                                                         v.                                                                                            
                                                  BERNARD BERTHE and JEAN-MARIE COGNION,                                                                                               
                                                                           Senior Party.               2                                                                               
                                                                             _____________                                                                                             
                                                         Patent Interference No. 103,725                                                                                               

                                1Application  07/825,670, filed January 27, 1992.                                                                                                      
                     Accorded the benefit of Belgium Application No. 09100066,                                                                                                         
                     filed     January 25, 1991.  Assigned to SOLVAY S.A.                                                                                                              
                                2Patent 5,315,045, granted May 24, 1994, based on                                                                                                      
                     Application 07/788,388, filed November 6, 1991.  Accorded the                                                                                                     
                     benefit of French Application No. 90-13705, filed November 6,                                                                                                     
                     1990.  Assigned to Elf Atochem S.A., France.                                                                                                                      
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