Ex parte SIMPSON et al. - Page 5




          Appeal No. 1996-1154                                                        
          Application No. 08/174,497                                                  


          Second, none of the references relied upon by the examiner,                 
          individually or in combination, teaches or would have                       
          suggested maintaining a continuous weight percent of                        
          undissolved solids inside the multi-stage reactor.  Even were               
          we to accept the examiner’s unsupported statement that one of               
          ordinary skill in the art would have maintained a continuous                
          weight percent of undissolved solids inside the multi-stage                 
          reactor in order to operate the process of Asai or Green                    
          continuously, see Answer, page 6, the examiner has not                      
          established on this record that one of ordinary skill in the                
          art knew how to maintain a continuous weight percent of                     
          undissolved solids inside the multi-stage reactor.                          
               In view of the foregoing, we agree with appellants that                
          the examiner has not established that the claimed subject                   
          matter as a whole would have been prima facie obvious to one                
          of ordinary skill in the art.  Accordingly, we reverse each of              
          the examiner’s § 103 rejections.                                            
               No time period for taking any subsequent action in                     
          connection with this appeal may be extended under 37 CFR                    
          § 1.136(a).                                                                 
                                      REVERSED                                        
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