Bisquinazolines useful in color former systems

Details Bisquinazolines useful in color former systems Bisquinazolines useful in color former systems

1983-10-14

1986-11-25

Raymond, Richard

Textiles: manufacturing

544 62, 544105, 544116, 544119, C07D40114, C07D40312

Patent

active

046250271

ABSTRACT:
Chromogenic bisquinazolines of the formula ##STR1## wherein Q is the direct bond or an aliphatic or cycloaliphatic hydrocarbon radical, or is --CO--, --S-- or --SO.sub.2 --, and

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Mikolasek et al., "Chemical Abstracts", vol. 72, 1970, col. 445k.
Lau et al., "Chemical Abstracts", vol. 97, 1982, col. 97:182895d.

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