Ex parte CHEN - Page 4




          Appeal No. 1996-3017                                                         
          Application No. 08/851,810                                                   


          Accordingly, appealed claims 3, 4, 7-10, 12, 13 and 17-20                    
          stand or fall together with the independent claim upon which                 
          they depend.                                                                 
               Appealed claims 2-5, 12, 17 and 18 stand rejected under                 
          35 U.S.C. § 103 as being unpatentable over Kosuge, Rizzi, Bell               
          and Langdon in view of Bonzom and Akiyama.  Claims 6-10, 13,                 
          19 and 20 stand rejected under 35 U.S.C. § 103 as being                      
          unpatentable over Kosuge, Rizzi, Bell and Langdon in view of                 
          Evans, Weissberger and Akiyama.                                              
               We have thoroughly reviewed each of appellant's arguments               
          for patentability.  However, inasmuch as we find that the                    
          examiner's legal conclusion of obviousness is supported by the               
          factual findings made by the examiner, we will sustain the                   
          examiner's rejections for essentially those reasons expressed                
          in the Answer.  We add the following primarily for emphasis.                 
               We consider first the examiner's rejection of claims 2-5,               
          12, 17 and 18.  There is no dispute that Kosuge, Rizzi, Bell                 
          and Langdon, the primary references, disclose processes for                  
          preparing appellant's product, an alkyl-pyrazine, by reacting                
          appellant's reactants in an aqueous medium.  The primary                     
          references do not disclose isolating the product from the                    

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