Ex parte COLLINS et al. - Page 10




                 Appeal No. 1998-3106                                                                                                                   
                 Application 08/679,603                                                                                                                 


                 least three alkoxy groups per molecule, and an amount                                                                                  
                 sufficient to promote curing of the moisture curable                                                                                   
                 organosiloxane material of a catalyst selected from titanium                                                                           
                 orthoesters and chelated titanium compounds (col. 3, lines 31-                                                                         
                 45; col. 7, lines 54-60; col. 8, lines 42-58).  Antonen                                                                                
                 teaches that blending the titanium catalyzed moisture curable                                                                          
                 organosiloxane with a platinum-catalyzed polyorganosiloxane                                                                            
                 composition has the benefit of producing an elastomer which                                                                            
                 has the good adhesion of the moisture cured elastomer to                                                                               
                 inorganic substrates such as metals, glass and ceramics, and                                                                           
                 also has the rapid curing rate and good dielectric properties                                                                          
                 of the platinum catalyzed composition (abstract; col. 1, lines                                                                         
                 8-11; col. 2, lines 51-58; col. 7, lines 54-60).  Thus,                                                                                
                 although Schulz points out the moisture sensitivity of his                                                                             
                 organosilicon compound having epoxy and alkoxy functionalities                                                                         
                 and his alkenyl functional silanol terminated                                                                                          
                 polyorganosiloxane (col. 2, line 55 - col. 3, line 1), it                                                                              
                 reasonably appears that the combined teachings of the                                                                                  
                 references would have fairly suggested, to one of ordinary                                                                             
                 skill in the art, including Antonen’s moisture curable                                                                                 
                 organosiloxane material and titanium orthoester or chelated                                                                            
                                                                        -10-10                                                                          





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