Ex parte GURGANUS et al. - Page 3




                 Appeal No. 95-1100                                                                                                                     
                 Application 07/928,071                                                                                                                 



                 Matsumoto et al. (Matsumoto)       5,137,960      Aug. 11,2                                                                                    
                 1992                                                                                                                                   

                                   The appealed claims stand rejected for obviousness                                                                   
                 (35 U.S.C.  103) in view of Matsumoto.                                                                                                
                                   We reverse.                                                                                                          
                                   The subject matter on appeal is directed to a                                                                        
                 gasketing compound (composition) comprising a first vinyl                                                                              
                 chloride resin, a second vinyl chloride resin, and an external                                                                         
                 plasticizer.  The first vinyl chloride resin has a high gel                                                                            
                 content, and an inherent viscosity greater than about 1.02,                                                                            
                 and a porosity greater than about .34 cc/gm.  The second vinyl                                                                         
                 chloride resin has a low gel content, an inherent viscosity of                                                                         
                 at least about 1.02, and a porosity of at least about .34                                                                              
                 cc/gm.  When the composition is molded into a gasket, the                                                                              
                 molded article exhibits low plasticizer migration and a low                                                                            
                 marring effect on a painted surface.                                                                                                   
                                   Like the claimed invention, Matsumoto discloses a                                                                    
                 composition comprising a first vinyl chloride polymer, a                                                                               

                          2The Matsumoto patent matured from Application                                                                                
                 07/702,158, filed May 15, 1991, which was a continuation of                                                                            
                 Application 07/361,568, filed June 5, 1989.                                                                                            
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