Ex parte MARSDEN et al. - Page 3




          Appeal No. 95-4513                                                          
          Application 08/261,667                                                      


          by using the above-mentioned bath which is so adjusted in a                 
          region which is different than the above-mentioned region in                
          which the image is amplified” (col. 3, lines 62-68).  The                   
          compounds which Koboshi adds to the bath to carry out this                  
          adjustment, appellants argue, would materially affect the                   
          basic and novel characteristics of appellants’ method                       


          and therefore are excluded by the term “consisting essentially              
          of” in step (b) of appellants’ claim 1 (request, pages 1-2).                
               Appellants have not stated on the record what they                     
          consider to be the basic and novel characteristics of their                 
          method.  Our decision (page 5) includes a finding as to what                
          the basic and novel characteristics of appellants’ claimed                  
          method are, and in appellants’ request for rehearing, they do               
          not contest this finding.  We remain of the view that for the               
          reasons given in our decision (pages 5-6), the compounds which              
          Koboshi adds to his bath would not materially affect the basic              
          and novel characteristics of appellants’ claimed method.                    
               Appellants argue that their method has the advantage of                
          permitting the use of a common storage facility for hydrogen                
          peroxide used in the amplification solution and the bleaching               
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