Triazolopyridine dyes and thermal transfer of methine dyes

Details Triazolopyridine dyes and thermal transfer of methine dyes Triazolopyridine dyes and thermal transfer of methine dyes

1991-08-09

1992-09-15

Hess, B. Hamilton

Record receiver having plural interactive leaves or a colorless

Having plural interactive leaves

428195, 428913, 428914, B41M 5035, B41M 526

Patent

active

051478455

ABSTRACT:
Triazolopyridine dyes useful for thermal transfer of methine dyes have the formula ##STR1## where R.sup.1 is C.sub.1 -C.sub.20 -alkyl, which may be substituted and interrupted by one or more oxygen atoms, or is substituted or unsubstituted phenyl or hydroxyl,

REFERENCES:
patent: 4968657 (1990-11-01), Gregory et al.

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