Ex parte YU et al. - Page 3




          Appeal No. 1997-3302                                                        
          Application No. 08/152,338                                                  


               Appealed claims 21 through 32 and 34 through 38 stand                  
          rejected under 35 U.S.C. § 103 as unpatentable over Defendini               
          in combination with either Oshikawa or Giglia and Rukavina.                 
          Appealed claims 33 and 39 stand similarly rejected under the                
          same section of the statute as unpatentable over Defendini in               
          combination with either Oshikawa or Giglia and Rukavina                     
          further in view of Huang.                                                   
               We cannot sustain the stated rejections.                               
               The subject matter on appeal is directed to a method for               
          fabricating an electrochromic device having organic polymer                 
          substrates and a preformed ion-conducting polymer.  For                     
          purposes of the issues raised in the present appeal, a                      
          significant step of appellants' claimed fabrication method                  
          involves the deposition of an organic polymer primer coating                
          on a surface of each of two organic polymer substrates.  See                
          step (a) of appealed claim 21.  Thereafter, in appellants'                  
          method, an electroconductive metal oxide film is deposited on               
          each of the primer coatings of the organic polymer substrates.              
          On one of the electroconductive metal oxide films deposited in              
          the above step, a film of electrochromic material is deposited              
          thereon.  On the other electroconductive metal oxide film, a                
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