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                   The opinion in support of the decision being entered today was not written for publication and is not              
                                                   binding precedent of the Board.                                                    

                                                                                              Paper No. 35                            

                            UNITED STATES PATENT AND TRADEMARK OFFICE                                                                 
                                                           __________                                                                 
                                  BEFORE THE BOARD OF PATENT APPEALS                                                                  
                                                  AND INTERFERENCES                                                                   
                                                           __________                                                                 
                                         Ex parte SUN-YI HUANG, LOUIS ROSATI,                                                         
                                                and JOSEPH J. KOZAKIEWICZ                                                             
                                                           __________                                                                 
                                                     Appeal No. 2001-0061                                                             
                                                   Application No. 08/720,851                                                         
                                                           __________                                                                 
                                                            ON BRIEF                                                                  
                                                           __________                                                                 
               Before GARRIS, TIMM, and MOORE, Administrative Patent Judges.                                                          
               GARRIS, Administrative Patent Judge.                                                                                   
                                                    DECISION ON APPEAL                                                                
                       This is a decision on an appeal from the final rejection of claims 1-22, which are                             
               all of the claims in the application.                                                                                  
                       The subject matter on appeal relates to an aqueous dispersion composition                                      
               comprising (a) a first cationic water-soluble or water-swellable polymer, (b) a second                                 
               water-soluble polymer different from the first, (c) a kosmotropic salt and (d) a chaotropic                            
               salt, wherein the amounts of (b), (c) and (d) are such that a homogeneous composition                                  








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