Ex parte NGUYEN et al. - Page 3




                 Appeal No. 96-0205                                                                                                                     
                 Application No. 08/000,946                                                                                                             


                          The references of record now relied upon by the examiner                                                                      
                 are:                                                                                                                                   
                 Young                               5,063,268                                    November 5, 1991                                      
                                                                       (filed June 8, 1990)                                                             
                 Wirth                               3,658,639                                    April 25, 1972                                        
                          References cited by appellants are:                                                                                           
                 Powers et al. (Powers)                       EPA 0 344 021                       November 29, 1989                                     
                 Encyclopedia of Chemical Technology, Kirk-Othmer, John Wiley                                                                           
                 & Sons, Inc., Third Edition, Volume 8, pp. 495-500, © 1979.                                                                            
                          The appealed claims now  stand rejected under 35 U.S.C.2                                                                                    
                 § 103 as unpatentable over Young combined with Wirth.  We                                                                              
                 reverse.                                                                                                                               
                          The subject matter on appeal is directed to a vulcanized                                                                      
                 tire comprising a carcass at least a portion of which is made                                                                          
                 from a composition comprising, inter alia, a halogen                                                                                   
                 containing copolymer (e.g., a brominated isobutylene para-                                                                             
                 methylstyrene copolymer) as defined in the claims.  The                                                                                
                 carcass of the claimed tire is said to enjoy an enhanced                                                                               
                 reduction in air permeability and an increase in heat aging                                                                            
                 resistance as measured by elongation retention.  The                                                                                   
                 composition also contains an additional rubber component which                                                                         

                          2See the supplemental answer entered April 1, 1996.                                                                           
                                                                           3                                                                            





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