Ex parte PARKS et al. - Page 12




          Appeal No. 1995-4675                                                        
          Application No. 07/875,452                                                  


          as here, is not sufficient to rebut a prima facie case of                   
          obviousness.  In re Dill, 604 F.2d 1356, 1361, 202 USPQ 805,                
          808 (CCPA 1979).  Indeed, for all we know based upon the                    
          record before us including the proffered declaration evidence,              
          the unexpected results shown in the Parks Declarations are not              
          exhibited by amorphous nylons generally but only by the                     
          specifically tested amorphous nylon “Selar PA.”  Thus, the                  
          fatal deficiency of the appellants’ declaration evidence of                 
          nonobviousness is that it fails to show unexpected results for              
          amorphous nylons as a class in accordance with the here                     
          claimed invention.  In re Hostettler, 429 F.2d 464, 466, 166                
          USPQ 558, 560 (CCPA 1970).                                                  
               The circumstances recounted above lead us to the ultimate              
          determination that all the evidence of record, on balance,                  
          weighs most heavily in favor of an obviousness conclusion.  We              
          shall sustain, therefore, the § 103 rejections of claims 1                  
          through 3, 15 and 16 as being unpatentable over Tanner in view              
          of Deak, of claims 4 and 5 as being unpatentable over these                 
          references and further in view of Gibbons and of claims 6                   
          through 14, 17 and 18 as being unpatentable over Tanner, Deak               
          and Gibbons and further in view of the appellants’                          
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