Ex parte MACEDO - Page 1















                                              DECISION ON APPEAL                                                      
                    This is an appeal under 35 U.S.C. § 134 from the decision of the examiner                         
             refusing to allow claims 11 through 19, which are all the claims pending in this                         
             application.                                                                                             


                                                                                                                     


                                                  THE INVENTION                                                       

             The invention is directed to a fluidizable cracking catalyst comprising crystalline                      

             zeolitic alumino silicate and modified alumina. The modified alumina is prepared by                      
             reacting hydrated alumina with an aqueous solution of a monocarboxylic acid having 1 to 3                
             carbon atoms.  Other features are described in the illustrative claims below.                            

                                                    THE CLAIMS                                                        
             Claims 11 and 19 are illustrative of appellants’ invention and are reproduced                            
             below.                                                                                                   


             THE REFERENCES OF RECORD                                                                                 
             As evidence of obviousness, the examiner relies upon the following                                       
             references.                                                                                              






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