Aliphatic bridged chromogenic bisquinazolines substituted with p

Details Aliphatic bridged chromogenic bisquinazolines substituted with p Aliphatic bridged chromogenic bisquinazolines substituted with p

1985-04-11

1987-05-26

Hollrah, Glennon H.

Recorders

Record receiver deforming

430138, 544 74, 544 80, 544284, B41M 516, B41M 522, C07D40306, C07D40312

Patent

active

046689664

ABSTRACT:
The invention relates to bisquinazolines of the formula ##STR1## wherein the ring A is unsubstituted or substituted by cyano, nitro, halogen, lower alkyl, phenyl, benzyl, lower alkoxy or lower alkoxycarbonyl,

REFERENCES:
patent: 3340260 (1967-09-01), Blatter
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patent: 4306065 (1981-12-01), Chen
patent: 4435003 (1984-03-01), Fletcher
patent: 4480096 (1984-10-01), Fletcher
patent: 4497887 (1985-02-01), Watanabe et al.
patent: 4562449 (1985-12-01), Balli et al.
patent: 4587538 (1986-05-01), Shanton et al.

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