Ex Parte MALHOTRA - Page 3




              Appeal No. 1998-0189                                                                                          
              Application 08/196,933                                                                                        




















              wherein R1, R2, R3, and R4 each, independently of one another, are hydrogen, alkyl,                           
              mercapto alkyl, amino, mercaptyl, carboxyl, hydrazinyl, or aryl, benzotriazole                                
              compounds, and mixtures thereof, said substrate being selected from the group                                 
              consisting of paper and transparent polymeric materials, said image receiving coating                         
              being suitable for receiving rapid drying images of an aqueous ink.                                           

                     14.  A recording sheet according to claim 1 wherein the additive is selected from                      
              the group consisting of (a) amino pyrimidine compounds; (b) dihydroxyl pyrimidine                             
              compounds; (c) pyrimidine dione compounds; (d) thiouracil compounds; (e) orotic acid                          
              compounds; (f) pyrimidine trione compounds; (g) guanine compounds; (h) xanthine                               
              compounds; (i) pyrazole pyrimidine compounds; (j) pyrimidine acids; and mixtures                              
              thereof.                                                                                                      
                     The references relied on by the examiner are:                                                          
              Tachibana et al. (Tachibana)         5,286,618            Feb. 15, 1994                                       
                                                          (filing date Nov. 13, 1990)                                       
              Takeda et al. (Takeda)               4,970,307            Nov. 13, 1990                                       
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