Thermally-responsive record material

Details Thermally-responsive record material Thermally-responsive record material

B - Operations, Transporting

41

M

B41M 5/28 (2006.01) B41M 5/333 (2006.01)

Patent

CA 2066845

ABSTRACT A novel thermally-responsive record material is disclosed comprising a support having provided thereon in substantially contiguous relationship an electron donating dye precursor and a fluorene bisphenol of the formula Image (I) wherein each R is independently selected from hydrogen and C1 to C8 alkyl, and a suitable binder therefor. The record material according to the invention when imaged resists fade when contacted with certain environmental challenges including oils, solvents, and elevated temperatures, all of which can be encountered in the environments of use of these record materials. I:\user\sectdirs\wpdoca\patappln\6422

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