EWEN V. DOLLE et al. - Page 5




          Interference 103,482                                                        
                         and 30-37 under 35 U.S.C.  112, 1st and 2nd                 
          para.                                                                       
                    C.   Ewen’s Motion for Benefit of the July 15,                    
                         1988, filing date of Application 07/220,007,                 
                         now U.S. Patent 4,892,851                                    
               4.   Dolle’s contentions                                               
                                     Discussion                                       
          1.   Background                                                             
               A.   July 15, 1988 -- John A. Ewen and Abbas Razavi                    
          (hereafter Ewen et al.) filed U.S. Application 07/220,007,                  
          entitled “Process and Catalyst for Producing Syndiotactic                   
          Polyolefins.”                                                               
               B.   May 20, 1989 -- Hoechst Aktiengesellschaft filed                  
          Application P 3916553.1, entitled “Syndio-Isoblockpolymer und               
          Verfahren zu seiner Herstellung,” in the Federal Republic of                
          Germany.                                                                    
               C.   October 10, 1989 -- John A. Ewen (hereafter Ewen)                 
          filed U.S. Application 07/419,221, entitled “Catalyst for                   
          Producing Hemiisotactic Polypropylene.”                                     
               D.   January 9, 1990 -- U.S. Patent 4,892,851 issued from              
          Ewen et al. Application 07/220,007 filed July 15, 1988.                     
               E.   May 17, 1990 -- Volker Dolle, Jurgen Rohrmann,                    
          Andreas Winter, Martin Antberg and Robert Klein (hereafter                  
          Dolle) filed U.S. Application 07/525,096, entitled “Syndio-                 
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