Aqueous ink composition

Details Aqueous ink composition Aqueous ink composition

1986-04-14

1987-12-08

Yarbrough, Amelia Burgess

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106 20, C09D 1102

Patent

active

047116684

ABSTRACT:
An aqueous ink composition comprising a water-soluble dye having the formula (I) in an amount sufficient for ink printing and water, ##STR1## wherein R.sup.1 and R.sup.2 each represent hydrogen, a lower alkyl group, a lower alkoxy group or halogen; R.sup.3 represents hydrogen, a lower alkyl group, a lower alkoxy group, halogen, a sulfonic acid group or a sulfonate group; Z.sup.1 and Z.sup.2 each represent hydrogen, a lower alkyl group, a phenyl group, an acetyl group, an alkyl sulfonyl group, a benzoyl group which may have a substituent, a benzenesulfonyl group which may have a substituent, or a 1,3,5-triazine group which may have a substituent; M represents hydrogen, an alkali metal or NH.sub.4.sup.+ ; and n is an integer of 1 or 2.

REFERENCES:
patent: 2148135 (1939-02-01), Rossander
patent: 3113937 (1963-12-01), Nakaten et al.
patent: 3816118 (1974-06-01), Byrne
patent: 3846141 (1974-11-01), Ostergren et al.
patent: 4118232 (1978-10-01), Piller et al.

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