Recording materials and image receiving materials for producing

Details Recording materials and image receiving materials for producing Recording materials and image receiving materials for producing

1975-08-21

1977-03-22

Ansher, Harold

Gas separation: apparatus

Solid sorbent apparatus

With control means responsive to sensed condition

96 27R, 96 48HD, 96 66T, 250317, 427145, 428411, 428913, G03C 142, G03C 530

Patent

active

040134733

ABSTRACT:
Thermographic recording material or image-receiving material for dry copying processes comprising at least one layer and a substantially non-photosensitive reducible silver salt, a reducing agent, and optionally a toning agent or toning mixture, wherein the reducing agent corresponds to the following general formula: ##STR1## wherein: EACH OF R.sup.1, R.sup.3 and R.sup.5 (equal or different) represents hydrogen, a straight-chain or branched alkyl group comprising 1 to 9 carbon atoms, or a cycloalkyl group, with the proviso that R.sup.1 and R.sup.5 do not represent hydrogen simultaneously,

REFERENCES:
patent: 2910377 (1959-10-01), Owen
patent: 3074809 (1963-01-01), Owen
patent: 3080254 (1963-03-01), Grant
patent: 3107174 (1963-10-01), Wartman
patent: 3186843 (1965-06-01), Haas
patent: 3218166 (1965-11-01), Reitter
patent: 3547648 (1970-12-01), Sagawa
patent: 3615533 (1971-10-01), Rauner et al.
patent: 3751252 (1973-08-01), Smith et al.
patent: 3941596 (1976-03-01), Heiart
patent: 3965282 (1976-06-01), Janssens et al.

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