Ink, and recording process using the same

Details Ink, and recording process using the same Ink, and recording process using the same

1991-08-21

1992-05-05

Dixon, Jr., William R.

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106 20, C09D 1100

Patent

active

051103567

ABSTRACT:
The present invention provides an ink comprising a dye and a liquid medium, wherein said dye is a dye of Formula (I): ##STR1## wherein R.sub.1 and R.sub.2 represent independently an alkyl group, an alkoxy group or an acetylamino group; R.sub.3 represents --SO.sub.3 M or a hydrogen atom; R.sub.4 represents a hydrogen atom, --SO.sub.3 M or --NHR.sub.5, where R.sub.5 represents a hydrogen atom, a phenyl group that may have a substituent, or a group of the formula ##STR2## where R.sub.6 and R.sub.7 represent independently a hydrogen atom or --C.sub.2 H.sub.4 OH; M represents an alkali metal, an ammonium group or an organic ammonium group; and 1, m and n represent independently an integer of 0 or 1.

REFERENCES:
patent: 2427539 (1947-09-01), Wehrli
patent: 4295889 (1981-10-01), Eida et al.
patent: 4435717 (1984-03-01), Eida et al.
patent: 4778525 (1988-10-01), Kobayashi et al.
patent: 4804411 (1989-02-01), Eida et al.
patent: 4841037 (1989-06-01), Ohta et al.

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