Metal chelate compounds and inks

Abstract

A metal chelate compound of the Formula (1) and salts thereof: wherein: one of A and B is OH and the other is an azotriazole group; and M is a metal or boron; and n is 0 to 4; compositions and inks containing a compound of Formula (1), a process for ink jet printing using the inks and to an ink jet printer cartridge containing the ink.

1 . A metal chelate compound of the Formula (1) and salts thereof:  
     
       
         
         
             
             
         
       
     
     wherein: 
 one of A and B is OH and the other is an azotriazole group; and  
 M is a metal or boron; and  
 n is 3.  
 
   
   
       2 . A compound according to  claim 1  wherein the azotriazole group is of the Formula (2a), (2b), (2c), (2d) or (2e):  
     
       
         
         
             
             
         
       
     
     wherein: 
 Z is H, —OH, —Br, —Cl, —F, —CN, —NO 2 , —PO 3 H 2 , —SO 3 H, —CO 2 H, optionally substituted phosphoramide, optionally substituted alkyl, optionally substituted alkenyl, optionally substituted alkynyl, optionally substituted aryl, optionally substituted aralkyl, —SR 1 , —SO 2 R 1 , —SO 2 NR 2 R 3 , —SOR 1 , —OR 1 , —C(O)R 1 , —C(O)OR 1 , —C(O)R 2 R 3 , —NR 2 R 3 , —NHCOR 1 ; and  
 Y is —CF 3  or any one of the groups defined for Z; and  
 wherein:  
 R 1 , R 2  and R 3  are each independently H, optionally substituted alkyl, optionally substituted alkenyl, optionally substituted alkynyl, optionally substituted aryl or optionally substituted aralkyl; or  
 R 2  and R 3  together with the nitrogen to which they are attached form an optionally substituted 5- or 6- membered ring.  
 
   
   
       3 . A compound according to  claim 1  or  2  wherein M is nickel.  
   
   
       4 . A compound according to  claim 3  wherein Y is CO 2 H or H and Z is H.  
   
   
       5 . A compound according to  claim 4  wherein M is nickel.  
   
   
       6 . (canceled)  
   
   
       7 . (canceled)  
   
   
       8 . (canceled)  
   
   
       9 . (canceled)  
   
   
       10 . (canceled)  
   
   
       11 . A compound according to  claim 1  having any one of the following formulae or a salt thereof, wherein M is nickel:  
     
       
         
         
             
             
         
       
     
     
       
         
         
             
             
         
       
     
   
   
       12 . A composition comprising: 
 (a) one or more compound according to  claim 1  or  claim 11;  and    (b) one or more water-soluble dye other than a compound according to  claim 1 .    
   
   
       13 . An ink comprising: 
 (a) a compound according to  claim 1;  and    (b) a liquid medium.    
   
   
       14 . An ink according to  claim 13 ,  19  or  20  wherein the liquid medium comprises a mixture of water and an organic solvent.  
   
   
       15 . A process for printing an image on a substrate comprising applying thereto by means of an ink jet printer an ink according to  claim 13 .  
   
   
       16 . A substrate printed by means of the process according to  claim 15 .  
   
   
       17 . An ink jet printer cartridge comprising a chamber and ink, wherein the ink is present in the chamber and the ink is as defined in  claim 13 .  
   
   
       18 . An ink jet printer containing an ink jet printer cartridge, wherein the ink jet printer cartridge is as defined in  claim 17 .  
   
   
       19 . An ink comprising: 
 (a) a compound according to  claim 11;  and    (b) a liquid medium.    
   
   
       20 . An ink according to  claim 19  wherein the compound is Compound 13.