|5374301||Inks suitable for use in ink jet printing|
An ink comprising a liquid medium and a compound of Formula (1) or salt thereof: ##STR1## provided (i) if the compound of Formula (1) has no --SO3 H groups then it has at least two groups selected from --COOH and --COSH; and (ii) the ...
|5268459||Azo dyes suitable for ink jet printing|
Anionic azo compounds which, in the free acid form, have the Formula (1): ##STR1## wherein: Ar and Ar1 are each independently aryl or substituted aryl providing at least one of Ar and Ar1 has at least one substituent selected fr...
|4432900||Cationic dyestuff printing inks|
Bleed-fast, dyes cellulosics particularly absorbent papers have been obtained with a particular class of water-soluble, cationic dyes reacted with a water-soluble aldehyde, preferably formaldehyde, glyoxal or glutaraldehyde. An aqueous printing fluid cont...