Ex Parte Esser et al - Page 13


                Appeal 2006-3252                                                                                 
                Application 09/536,728                                                                           

           1           The Olson R1 and R2 radicals are known as "floating" radicals because                     
           2    they can be attached to the phenyl group portion of Olson's compound in any                      
           3    of five positions, i.e., positions 2-6:                                                          
           4                                                                                                     
                                                   5      6                                                      

                                              4                                                                  
                                                              1                                                  
           5                                      3       2                                                      
           6                                      Formula 5a                                                     
           7    The 1-6 positions may also be designated by an equivalent numbering                              
           8    system as follows:                                                                               
           9                                                                                                     
                                                   3      2                                                      

                                              4                                                                  
                                                              1                                                  
          10                                      5       6                                                      
          11                                      Formula 5b                                                     
          12           From a chemistry point of view Formula 5a and Formula 5b are                              
          13    alternative ways of showing the same formula.                                                    
          14           With the alternate equivalent number systems, it is also possible to                      
          15    draw Olson Formula 4a as follows:                                                                






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