Ex parte TWIST - Page 7




          Appeal No. 96-3824                                                           
          Application No. 08/311,635                                                   

          and 33), 10.6 (column 14, line 62) and 6.0 (column 15, line                  
          8).  The examiner has failed to express what would have                      
          motivated the person of ordinary skill in the art to select                  
          appellant's particular ingredients and use them at a pH                      
          ranging from 11 to 12 based on Wingender or Wingender                        
          considered with Nakamura.  Indeed, while it appears from the                 
          voluminous prior art cited in this application that                          
          appellant's individual ingredients are, per se, known as                     
          useful additives for redox amplifying solutions in general,                  
          nothing in the record to which our attention has been directed               
          suggests appellant's particular pH, particularly claimed                     
          ingredients or particular amounts of ingredients.                            
               For all the above reasons, we find the examiner has                     
          failed to make out a prima facie case of obviousness with                    
          respect to the appealed subject matter.  Accordingly, it is                  
          unnecessary to discuss the relevance of appellant's alleged                  
          evidence of unexpected or surprising results since evidence of               
          nonobviousness is only weighed against evidence which                        
          establishes a prima facie case of obviousness.                               




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