Sulfonyl compound and thermalsensitive recording medium using th

Details Sulfonyl compound and thermalsensitive recording medium using th Sulfonyl compound and thermalsensitive recording medium using th

1997-02-19

1998-11-24

Hess, Bruce H.

Record receiver having plural interactive leaves or a colorless

Having a colorless color-former, developer therefor, or...

Identified organic electron acceptor other than phenolic resin

427150, 503204, B41M 530

Patent

active

058406522

ABSTRACT:
There is provided a developer composition including at least one of sulfonyl compounds represented by formula (1) and at least one of sulfonyl compounds represented by formula 2: ##STR1## wherein X is H or lower alkyl, R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5 and R.sub.6 which may be the same or different, present H, halogen or lower alkyl and Y represents alkyl, benzenesulfonyl, benzoyl et al, A thermalsensitive recording medium having the above developer is of high sensitivity, less surface-blushing with lapse of time and is excellent in storage stability of a recorded image, particularly in heat resistance, humidity resistance and anti-plasticizer.

REFERENCES:
patent: 3539375 (1970-11-01), Baum
Communication dated Sep. 4, 1997, European Search Report (and Annex) No. EP 97 10 2653.

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