Ex Parte HALSEY - Page 1




            The opinion in support of the decision being entered today was not written
                   for publication and is not binding precedent of the Board.       

                                                                Paper No. 15        

                      UNITED STATES PATENT AND TRADEMARK OFFICE                     
                                     ____________                                   
                          BEFORE THE BOARD OF PATENT APPEALS                        
                                  AND INTERFERENCES                                 
                                     ____________                                   
                             Ex parte RICHARD B. HALSEY                             
                                     ____________                                   
                                 Appeal No. 2001-2457                               
                             Application No. 09/168,979                             
                                     ____________                                   
                                       ON BRIEF                                     
                                     ____________                                   
         Before PAK, WALTZ, and TIMM, Administrative Patent Judges.                 
         WALTZ, Administrative Patent Judge.                                        



                                  DECISION ON APPEAL                                
              This is a decision on an appeal from the examiner’s final             
         rejection of claims 21 through 30, which are the only claims               
         remaining in this application.  We have jurisdiction pursuant to           
         35 U.S.C. § 134.                                                           
              According to appellant, the invention is directed to a process        
         for recovering purified cyclopentane from a hydrocarbon stream that        
         contains neo-hexane, hydrocarbon impurities and at least 25 wt. %          
         of cyclopentene (Brief, page 2).  Illustrative independent claim 21        
         is reproduced below:                                                       






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