Diazo type recording material comprising two couplers wherein th

Details Diazo type recording material comprising two couplers wherein th Diazo type recording material comprising two couplers wherein th

1992-12-28

1994-08-16

Bowers, Jr., Charles L.

Radiation imagery chemistry: process, composition, or product th

Diazo reproduction, process, composition, or product

Composition or product which contains radiation sensitive...

430138, 430148, 430180, 430181, 430182, G03C 158

Patent

active

053386426

ABSTRACT:
A novel diazo type recording material is provided comprising a recording layer containing at least one light-sensitive diazo compound incorporated in microcapsules and a coupling component which undergoes reaction with said diazo compound in a basic atmosphere to develop a color on a support, wherein said coupling component is a mixture of at least one compound represented by the following general formula [I] and at least one compound represented by the following general formula [II]: ##STR1## wherein A represents an alkylene group having from 1 to 22 carbon atoms containing an ether or thioether bond; B represents hydrogen atom, cyclohexyl group, morpholino group or piperidino group; and R.sub.1, R.sub.2, R.sub.3 and R.sub.4 each represent hydrogen atom, an alkyl group having from 1 to 5 carbon atoms, alkoxy group having from 1 to 5 carbon atoms or halogen atom.

REFERENCES:
patent: 2533185 (1950-12-01), Unkauf
patent: 3387977 (1968-06-01), Habib et al.
patent: 3615575 (1971-10-01), Rauhut
patent: 3761263 (1973-09-01), Fleming et al.
patent: 4304831 (1981-12-01), Matsuda et al.
patent: 4334004 (1982-06-01), Scheler
patent: 4842979 (1989-06-01), Ishige et al.

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