Compounds, processes and marking systems

Details Compounds, processes and marking systems Compounds, processes and marking systems

1982-07-19

1985-01-22

Lieberman, Paul

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

427151, 427152, C09D 1100

Patent

active

044949898

ABSTRACT:
Mono and bis substituted (arylsulfonyl)alkanes useful as color formers, particularly in carbonless duplicating and thermal marking systems, are prepared by the interaction of the appropriate aldehyde or dialdehyde with the appropriate aryl or heterocyclic moiety and the appropriate phenylsulfinic acid in the presence of a catalyst.

REFERENCES:
patent: 3193404 (1965-07-01), Davis
patent: 3995088 (1976-11-01), Garner et al.
patent: 4257954 (1981-03-01), Schmidt et al.
patent: 4363664 (1982-12-01), Delaney
Licari & Dougherty Journal of the American Chemical Society, 76, 4039 (1954).
Hellmann & Muller Chemische Berichte, 98, 638 (1965).
Treibs & Herrmann Hoppe-Seyler's Zeitschrift fuer Physiologische Chemie 299, 168-185 (1955) [Chem. Abst. 50: 944i (1956)].
Hinsberg in Chemische Berichte, 50, 468-473 (1917).

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