Ex parte LETTON et al. - Page 7




          Appeal No.  95-0459                                                         
          Application No. 07/941,845                                                  

          Arkley, 455 F.2d 586, 587, 172 USPQ 524, 526 (CCPA 1972).  Nor              
          can it be said that the prior art has disclosed a composition               
          substantially identical with the claimed invention.  See In re              
          Schaumann, 572 F.2d 312, 317, 197 USPQ 5, 10 (CCPA 1978).                   
          Hence, we shall not sustain either of the rejections on the                 
          grounds of anticipation.                                                    


          The § 103 rejections                                                        
               Notwithstanding our finding supra, it should be noted                  
          that rejections under 35 U.S.C. § 103 may be appropriate and                
          proper where the subject matter claimed is not identically                  
          disclosed or described.  Accordingly, we shall next consider                
          the rejection of the claims over Baur or Eckey under 35 U.S.C.              
          § 103 and the rejection of Baur or Eckey in view of Jandacek                
          under 35 U.S.C.                                                             
          § 103.                                                                      
          Assuming arguendo that it would have been prima facie                       
          obvious for one of ordinary skill in the art to prepare                     
          appellants’ claimed subject matter, it is necessary for us to               
          consider appellants’ rebuttal evidence.  Appellants urge that               
          they have presented objective evidence wherein the claimed                  

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