Recording sheets

Details Recording sheets Recording sheets

1976-10-28

1978-02-28

Ansher, Harold

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having voids in a component

282 275, 427150, 427152, 428411, B41M 512, B41C 106

Patent

active

040768872

ABSTRACT:
A recording sheet comprising a support and a developer layer, which develops color images on reacting with a color former, on the support containing a dimer of the compound represented by the formula: ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 each represents a hydrogen atom, an alkyl group, an aryl group, or an aralkyl group, and n is 1 to 4.

REFERENCES:
patent: 3244548 (1966-04-01), Sullivan
patent: 3856553 (1974-12-01), Hayashi et al.
patent: 3912831 (1975-10-01), Kan et al.
patent: 3937864 (1976-02-01), Kohmura et al.
patent: 3996405 (1976-12-01), Porter

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