Thermal recording medium

Details Thermal recording medium Thermal recording medium

1996-10-04

1998-03-24

Hess, Bruce H.

Record receiver having plural interactive leaves or a colorless

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

Having nonreactant particles of defined size

503200, 503226, B41M 540

Patent

active

057312621

ABSTRACT:
A thermal recording medium wherein ultraviolet absorbent is included in undercoat layer and/or in thermal sensitive color developing layer, ultraviolet isolator consisted of calcined particle which is flaky pigment whose refractive index is 1.5 to 1.6 and whose surface is coated with insoluble cerium compound and amorphous silica is included in thermal sensitive color developing layer and/or in protective layer, and fluorescent dye is included in protective layer.

REFERENCES:
Claim Translation of Jap. Pat. Publ. No. 45-14039 (1970).
Abstract of Jap. Laid-Open Pat. Publ. No. 62-18626 (1987).
Abstract of Jap. Laid-Open Pat. Publ. No. 61-193883 (1986).
Abstract of Jap. Laid-Open Pat. Publ. No. 62-176879 (1987).
Abstract of Jap. Laid-Open Pat. Publ. No. 62-184880 (1987).
Abstract of Jap. Laid-Open Pat. Publ. No. 6-64324 (1994).
Abstract of Jap. Laid-Open Pat. Publ. No. 7-25147 (1995).
Abstract of Jap. Laid-Open Pat. Publ. No. 7-17131 (1995).
Abstract of Jap. Laid-Open Pat. Publ. No. 6-145645 (1994).
Abstract of Jap. Laid-Open Pat. Publ. No. 8-187942 (1996).

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