Ex Parte CHESTER et al - Page 4


         Appeal No. 2002-2057                                                       
         Application No. 09/351,147                                                 

         zeolites are used.”  While the reference does teach that the               
         zeolites “may optionally include various elements ion exchanged,           
         impregnated or otherwise deposited thereon...” (page 3, lines              
         42-46), this is the extent of the disclosure.  In our view, this           
         disclosure is not sufficiently specific to have placed the                 
         claimed invention in possession of one of ordinary skill in the            
         art.                                                                       
              For these reasons and those set forth in the appellants’              
         briefs, we cannot uphold the examiner’s rejection on this                  
         ground.                                                                    
                  II. Rejection under 35 U.S.C. § 103(a): EP ’736                   
              With respect to claims 3, 4, and 6, the examiner argues               
         that the zeolite in EP ’736 “may be treated with a phosphorus              
         compound.”  (Answer, page 4.)  We cannot agree.  As we discussed           
         above, EP ’736 does not identify the “various elements ion                 
         exchanged, impregnated or otherwise deposited” on the zeolite.             
         Instead, the reference merely teaches that the “zeolites can be            
         free of oxides [e.g., oxides of phosphorus] incorporated into              
         the zeolites by an impregnation treatment.”  (Page 3, lines 46-            
         50.)                                                                       
              Because the examiner has not identified any evidence to               
         remedy the basic deficiency of EP ’736 relative to the appealed            
         subject matter, we hold that the examiner has not made out a               

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