Patent ID: 6664211
Filing Date: 2003-12-16
Classification: B41M,G03C

Abstract:
A substantially light-insensitive black and white thermographic recording material comprising a support and a thermosensitive element, wherein said thermosensitive element is exclusive of bisphenol compounds, 4-substituted isoxazole compounds of the formula: wherein R represents an aromatic group or an electron withdrawing group, organic compounds represented by R3-H, the corresponding radical of which, R3â€¢, has a stability of from 350 to 6000 times that of a primary alkyl radical, and photosensitive active-hydrogen aromatic organic reducing agents, and said thermosensitive element contains at least one substantially light-insensitive organic silver salt, an organic reducing agent therefor in thermal working relationship therewith, an image tone stabilizer and a binder, characterized in that wherein said image tone stabilizer is a sterically hindered monophenol.