Divinyl compounds and chromogenic recording-material prepared by

Details Divinyl compounds and chromogenic recording-material prepared by Divinyl compounds and chromogenic recording-material prepared by

1987-04-13

1989-05-30

Lee, Mary C.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

503220, 503223, 427151, C07D30788, B41M 516, B41M 518, B41M 522

Patent

active

048352918

ABSTRACT:
Disclosed herein are novel divinyl compounds represented by the formula (I): ##STR1## and a recording-material prepared by utilizing the divinyl compounds. The divinyl compound is in itself almost colorless, extremely stable in the atmosphere and develops rapidly blackish color by a developer. The color image given by the divinyl compound is excellent in light-resistance and moisture-resistance and the letters developed can be read by an optical letter-reading apparatus or a barcord reading apparatus.

REFERENCES:
Chemical Abstracts, vol. 102, No. 22, Jun. 3, 1985, p. 684, Abstract No. 195296f.
Chemical Abstracts, vol. 107, No. 6, Aug. 10, 1987, p. 663, Abstract No. 49640a.
European Search Report.

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