Recording material

Details Recording material Recording material

1989-11-03

1991-01-01

Hess, Bruce H.

Record receiver having plural interactive leaves or a colorless

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

Identified color-former

427151, 503220, 503223, B41M 518

Patent

active

049818368

ABSTRACT:
A recording material is disclosed, which comprises a support having thereon a recording layer comprising at least one electron-donating colorless dye and at least one electron-accepting compound, wherein said electron-donating colorless dye is a fluorene derivative having a substituted amino group at the 3-position and the 5-position or a substituted amino group at the 2-position and the 6-position.
The recording material gives colored portions having light absorption at near infrared region, has improved coloring property and shelf life, and gives colored images having improved stability.

REFERENCES:
patent: 4658276 (1987-04-01), Kanda et al.

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