onecle

Ex Parte Hokanson et al - 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                    written for publication and is not binding precedent of the Board.                

                      UNITED STATES PATENT AND TRADEMARK OFFICE                                       
                                         ________________                                             
                           BEFORE THE BOARD OF PATENT APPEALS                                         
                                      AND INTERFERENCES                                               
                                         ________________                                             
                       Ex parte ALLAN E. HOKANSON, DEREK WILLIAMS,                                    
                                 and CHRISTOPHER S. WILLIAMS                                          
                                         ________________                                             
                                          Appeal 2007-1000                                            
                                       Application 10/315,842                                         
                                      Technology Center 1700                                          
                                         ________________                                             
                                      Decided:  March 23, 2007                                        
                                         ________________                                             
              Before EDWARD C. KIMLIN, CHARLES F. WARREN, and                                         
              LINDA M. GAUDETTE, Administrative Patent Judges.                                        
              KIMLIN, Administrative Patent Judge.                                                    

                                      DECISION ON APPEAL                                              
                    This is an appeal from the final rejection of claims 1-12.  Claim 1 is            
              illustrative:                                                                           
              1. A method of producing phosphoric acid from phosphate ore                             
              comprising: mixing a carbon source, sulfur and silica with the phosphate ore            
              to form a phosphate mixture; mixing sufficient quantities of the sulfur with            
              the phosphate ore mixture to where the sulfur makes up approximately 0.5 to             
              4.0 percent of the phosphate mixture by weight; heating the mixture to a                
                                                                                                     



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