Compositions: coating or plastic – Coating or plastic compositions – Metal-depositing composition or substrate-sensitizing...
Patent
1985-10-22
1987-12-15
Yarbrough, Amelia Burgess
Compositions: coating or plastic
Coating or plastic compositions
Metal-depositing composition or substrate-sensitizing...
106 20, C09D 1102
Patent
active
047131136
ABSTRACT:
An aqueous ink composition for ink-jet recording comprising an aqueous solution of a water-soluble dye of formula (I) and a humectant dissolved in water: ##STR1## wherein R.sup.1 and R.sup.2 each represent hydrogen, an alkyl group, an alkoxy group, halogen, a carboxyl group or a sulfonic acid group; A represents ##STR2## wherein R.sup.3 represents an alkyl group, a phenyl group, a carbamoyl group or a carboxyl group; R.sup.4 represents an unsubstituted or substituted phenyl group, an unsubstituted or substituted napthyl group, or an unsubstituted or substituted alkyl group; R.sup.5 represents a hydroxyl group or an amino group; R.sup.6 represents a hydroxyl group or an unsubstituted or substituted amino group; M represents hydrogen, an alkali metal cation, amine cation or an ammonium ion; m is an integer of 0 or 1; and n is an integer of 1, 2 or 3.
REFERENCES:
patent: 3846141 (1974-11-01), Ostergren et al.
patent: 3931142 (1976-01-01), Lenoir et al.
Aruga Tamotsu
Kawanishi Toshiyuki
Murakami Kakuji
Shimada Masaru
Uemura Hiroyuki
Burgess Yarbrough Amelia
Ricoh & Company, Ltd.
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