Ex parte CHEN et al. - Page 18




          Appeal 97-1458                                                              
          Application 08/329,940                                                      

          perfluorooctane, p-chlorotrifluorotoluene or "their mixtures"               
          (col. 2, line 56).  Applicants maintain that there is no                    
          teaching to use a mixture.  They are wrong--Geiger expressly                
          describes mixtures.  Applicants maintain that there is no                   
          teaching as to what proportions of the solvents would be used               
          in a mixture.  They are wrong--Geiger expressly describes the               
          conditions for making mixtures, i.e., all solvents in a                     
          mixture should boil either above or below cyanuric chloride                 
          (col. 3, lines 3-5).  But, applicants are clearly correct when              
          they argue that there is no teaching, suggestion, motivation                
          or reason to mix the solvents in proportions which result in a              
          single phase mixture.  Because there is no teaching,                        
          suggestion, motivation or reason to mix the solvents in                     
          proportions which result in a single phase mixture, the                     
          examiner's rejection cannot be sustained.                                   

               C.   Decision                                                          
                    1.   The examiner's first rejection of claims 1-20                
          under the first paragraph of 35 U.S.C. § 112 is reversed as to              
          claims 5-8, 10-11, 14, and 17-20 and is vacated and remanded                
          as to claims 1-4, 9, 12-13 and 15-16 to the extent the                      
          rejection raises the issues of whether:                                     
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