Pressure-sensitive or heat-sensitive recording material

Details Pressure-sensitive or heat-sensitive recording material Pressure-sensitive or heat-sensitive recording material

1991-09-11

1994-06-07

Schwartz, Pamela R.

Record receiver having plural interactive leaves or a colorless

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

Having nonchromogenic liquid spread-control or...

503221, 503226, B41M 5132, B41M 530

Patent

active

053189396

ABSTRACT:
Compounds of formula ##STR1## wherein R, L, X and Y are as defined in claim 1, are very suitable for use as UV absorbers in pressure-sensitive or heat-sensitive recording materials.

REFERENCES:
patent: 3615533 (1971-10-01), Rauner
patent: 3860425 (1975-01-01), Ono et al.
patent: 4045229 (1977-08-01), Weber, II et al.
patent: 4486762 (1984-12-01), Okamoto et al.
patent: 4921832 (1990-05-01), Adair et al.
patent: 5096781 (1992-03-01), Vieira et al.
Patent Abstract, vol. 9, 261, 60-107388.
Derwent 88-283046/40.
Derwent 89-003820/01.
Derwent 89-011895/02.

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