Ex parte CHANE-CHING et al. - Page 7




            Appeal No. 1997-0359                                                                         
            Application No. 08/173,485                                                                   


            equated with indefiniteness of the claims.  An invention is                                  
            entitled to as broad a coverage as is reasonable under the                                   
            statutes.                                                                                    
                  As for the indefiniteness of the claims, the Examiner                                  
            contends [answer, page 3] that “[w]hile claim 23 has been                                    
            improved in some respects, problems persist, such as in claim                                
            14, lines 2-3 [sic], where the metal M lacks antecedent basis                                
            in independent claim 23, since claim 23 recites a step of                                    
            forming ‘(c) an aqueous colloidal solution of M  values,’ n+                                 
            while dependent claim 14 recites that at least 95% of the M in                               
            the                                                                                          




            colloidal dispersion is in colloidal form.” (Emphasis in                                     
            original.)  Again, we are persuaded by Appellants’ argument                                  
            [brief, page 6] that “the M  values are derived from a salt ofn+                                                          
            an acidic metal cation M , i.e., the aqueous colloidaln+                                                             
            dispersion contains metal M.  Furthermore, the specification                                 
            at page 8, and page 14 ... provides additional description of                                
            metal M in the colloidal form.”                                                              
                  The Examiner also contends [answer, page 3] that “[i]n                                 
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