Ex parte WITKOWSKI et al. - Page 3




                     Appeal No. 96-1142                                                                                                                                                
                     Application 07/939,180                                                                                                                                            


                                C) at least one polyisocyanate compound containing at                                                                                                  
                     least two isocyanate groups.                                                                                                                                      





                                                                            THE REFERENCES                                                                                             
                     Chao                             4,636,546        Jan. 13,                                                                                                        
                     1987                                                                                                                                                              
                     Hombach et al. (Hombach)         4,663,377        May   5,                                                                                                        
                     1987                                                                                                                                                              
                     Henning                          0 276 482        Aug.  3,2                                                                                                                                                  
                     1988                                                                                                                                                              
                                (European patent application)                                                                                                                          
                                                                            THE REJECTIONS                                                                                             
                                Claims 7-11 are rejected under 35 U.S.C. § 103(a) as                                                                                                   
                     being unpatentable over Chao and also over Henning in view of                                                                                                     
                     Hombach.         3                                             OPINION                                                                                            
                                We have carefully considered all of the arguments                                                                                                      
                     advanced by appellants and the examiner and agree with                                                                                                            
                     appellants that the aforementioned rejections are not well                                                                                                        


                                2Citations herein to this reference are to the English                                                                                                 
                     translation thereof, which is of record.                                                                                                                          
                                3 These rejections are set forth on page 2 of the                                                                                                      
                     supplemental answer mailed on April 12, 1999, paper no. 17.                                                                                                       
                                                                                          3                                                                                            





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