Desensitizer compositions

Details Desensitizer compositions Desensitizer compositions

1981-10-16

1983-10-25

Brown, J. Travis

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

282 275, 427261, 4283204, 4283206, 4283208, 523137, 523160, 523161, 524105, C09D 1100

Patent

active

044117000

ABSTRACT:
A desensitizer composition containing an imidazole derivative shown by the following general formula (I) ##STR1## wherein R.sub.1 is a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, or an aryl group having 6 to 20 carbon atoms; R.sub.2 is a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, an aryl group having 6 to 20 carbon atoms, an amino group, or an alkylthio group having 1 to 20 carbon atoms; R.sub.3 and R.sub.4 each is a hydrogen atom, an alkyl group having 1 to 4 carbon atoms, or an aryl group having 6 to 20 carbon atoms; and R.sub.1, R.sub.2, R.sub.3 and R.sub.4 each may be substituted, can be effectively used for partially desensitizing a developer sheet of pressure-sensitive copying papers, particularly where diphenylamine series color formers are used.

REFERENCES:
patent: 2777780 (1957-01-01), Cormack et al.
patent: 4012538 (1977-03-01), Miyamoto et al.
patent: 4039207 (1977-08-01), Ishizuka
patent: 4172727 (1979-10-01), Miyamoto et al.

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