Ex parte RUDNICK et al. - Page 5

          Appeal No. 95-1640                                                          
          Application 07/752,138                                                      

          the burden of going forward to applicants.   The examiner has               
          not provided any such evidence.  The examiner's reliance upon               
          the expression "similarly substituted naphthalenes and                      
          anthracenes" as suggestive of thianthrene is misplaced.                     
          Forbus at column 5, line 40 describes a number of exemplary                 
          substituted benzene compounds useful in the Forbus invention.               
          The expression "similarly substituted naphthalenes and                      
          anthracenes" is suggestive of similarly substituted compounds               
          based on naphthalene and anthracene as the exemplified benzene              
          derivatives.  Accordingly on this record, the examiner has not              
          established anticipation nor a prima facie case of obviousness              


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