Ex parte CATES - Page 9




          Appeal No. 1997-0221                                                        
          Application 08/248,496                                                      


          claim” are not within the prior art (see the Answer, page 6,                
          citing Aller, supra).  The examiner has not shown any teaching              
          or suggestion in Hogan to use more than 1.5% of the sodium                  
          bicarbonate or sesquicarbonate and also has not established                 
          why one of ordinary skill in the art would have been led to                 
          amounts more than necessary to achieve the desired rumen pH                 
          taught by Hogan.  Vit-A-Way is silent as to the amount of                   
          sodium bicarbonate and thus does not add anything to the                    
          teachings of Hogan.                                                         
               For the foregoing reasons, we determine that the examiner              
          has not established a prima facie case of obviousness in view               
          of the references of record.  Accordingly, the rejection of                 
          claims 1 through 7 under 35 U.S.C. § 103 is reversed.                       





               C.  Remand to the Examiner                                             
               Upon the return of this application to the jurisdiction                
          of the examiner, the form of the claims must be reviewed by                 
          the examiner for compliance with 35 U.S.C. § 112, paragraphs 2              
          and 4.  The term “further comprising,” as used in claim 4, is               

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