Ex parte ROBERTSON et al. - Page 15




             Appeal No. 1995-4400                                                                              
             Application 07/694,302                                                                            

             CLAIMS:                                                                                           
             1.  A hybridoma which produces a Friend murine leukemia virus (FMuLV) specific                    
             monoclonal antibody specific for an antigenic determinant of a gp85 envelope precursor            
             protein characteristic of a methanol-fixed F-MuLV infected cell.                                  
             2.  The hybridoma according to claim 1, wherein said hybridoma results from the fusion of         
             a myeloma cell and a spleen cell.                                                                 
             3.  The hybridoma according to claim 2 wherein said myeloma cell is derived from a                
             mouse.                                                                                            
             4.  The hybridoma according to claim 3 wherein said myeloma cell is X63-Ag8.653.                  
             7.  A hybridoma producing monoclonal antibody 720, IgG1.                                          
             8.  A hybridoma producing monoclonal antibody 721, IgG2a.                                         
             9.  A hybridoma producing monoclonal antibody 722, IgG2a.                                         
             10.  A hybridoma producing monoclonal antibody 723, IgG3.                                         
             11.  A monoclonal antibody having the binding characteristics of the monoclonal antibody          
             produced by the hybridoma according to claim 7, or binding fragment thereof.                      
             12.  A monoclonal antibody having the binding characteristics of the monoclonal antibody          
             produced by the hybridoma according to claim 8, or binding fragment thereof.                      
             13.  A monoclonal antibody having the binding characteristics of the monoclonal antibody          
             produced by the hybridoma according to claim 9, or binding fragment thereof.                      
             14.  A monoclonal antibody having the binding characteristics of the monoclonal antibody          
             produced by the hybridoma according to claim 10, or binding fragment thereof.                     







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