Recorders – Record receiver deforming
Patent
1985-03-12
1986-09-16
Hoke, Veronica P.
Recorders
Record receiver deforming
427151, 549224, 549225, B41M 518, C07D31196
Patent
active
046125582
ABSTRACT:
A fluoran compound having the formula: ##STR1## wherein each of R.sub.1 and R.sub.2 is a hydrogen atom, a straight chain or branched alkyl group having from 1 to 8 carbon atoms, a cyclohexyl group, a substituted or unsubstituted phenyl group, or a substituted or unsubstituted benzyl group, Q is ##STR2## (wherein X is a hydrogen atom, a halogen atom, or a straight chain or branched alkyl group having from 1 to 8 carbon atoms), ##STR3## (wherein X is as defined above), or --(CH.sub.2).sub.n OR.sub.4 (wherein R.sub.4 is a straight chain or branched alkyl group having from 1 to 8 carbon atoms, a cycloalkyl group, a substituted or unsubstituted phenyl group, or a substituted or unsubstituted benzyl group, and n is an integer of from 1 to 8), and R.sub.3 is a hydrogen atom, a halogen atom, a lower fluoroalkyl group, an acyl group, an alkoxy group, an alkoxyalkyl group, or a straight chain or branched alkyl group having from 1 to 8 carbon atoms.
REFERENCES:
patent: 3901918 (1975-08-01), Koga et al.
patent: 4226912 (1980-10-01), Iwasaki et al.
Abe Toshiyuki
Anzai Mitsutoshi
Gonda Michihiro
Kanasugi Mikiko
Kikkawa Katsumasa
Hodogaya Chemical Co. Ltd.
Hoke Veronica P.
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