Ex Parte SHAMSHOUM et al - Page 14



                                                                          Appeal No. 1999-1832                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              
                                                                          Application No. 08/474,233                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
                                                                                                                                                                                                                                                                                                          OR2                                                                                                                                                                                                                                                                                                                                              
                                                                                                                                                                                                                                                                                                                                        ,                                                                                                                                                                                                                                                                                                                  
                                                                                                                                                                                                                                                                     R1 ____ Si ____ R4                                                                                                                                                                                                                                                                                                                                                                     
                                                                                                                                                                                                                                                                                                           ,                                                                                                                                                                                                                                                                                                                                                
                                                                                                                                                                                                                                                                                                           OR3                                                                                                                                                                                                                                                                                                                                              
                                                                                                                                                     wherein R1 is an alkyl or cycloalkyl group                                                                                                                                                                                                                                                                                                                                                                                                                                                             
                                                                                                                                                     containing a primary, secondary or tertiary carbon                                                                                                                                                                                                                                                                                                                                                                                                                                                     
                                                                                                                                                     atom; R2 and R3 are each independently an alkyl or                                                                                                                                                                                                                                                                                                                                                                                                                                                     
                                                                                                                                                     aryl group; and R4 is an alkyl or cycloalkyl group                                                                                                                                                                                                                                                                                                                                                                                                                                                     
                                                                                                                                                     with a secondary or tertiary carbon atom attached                                                                                                                                                                                                                                                                                                                                                                                                                                                      
                                                                                                                                                     to the silicon atom; R1 and R4 are the same or                                                                                                                                                                                                                                                                                                                                                                                                                                                         
                                                                                                                                                     different wherein the Si/Ti molar ratio ranges                                                                                                                                                                                                                                                                                                                                                                                                                                                         
                                                                                                                                                     from 1 to 400                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          
                                                                                                                                                     d) introducing said catalyst into a polymerization                                                                                                                                                                                                                                                                                                                                                                                                                                                     
                                                                                                                                                     reaction zone containing said monomer.                                                                                                                                                                                                                                                                                                                                                                                                                                                                 














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