Record material using vinyl carbinol color formers

Details Record material using vinyl carbinol color formers Record material using vinyl carbinol color formers

1993-03-19

1994-11-15

Raymond, Richard L.

Record receiver having plural interactive leaves or a colorless

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

Identified color-former

503223, 544106, 544129, 546192, 546208, 564433, 548523, 548577, B41M 520, C07D29500, C07D40100, C07C21100

Patent

active

053648307

ABSTRACT:
Pressure or heat sensitive record materials with color-former sublimation problems reduced or eliminated whilst not reducing the color forming capability per unit weight of color former by providing what are in effect dimers of vinyl carbinols, with the vinyl carbinol residues, linked through the aryl groups of a diaryl amine.

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patent: 4939117 (1990-07-01), Kusakata et al.
patent: 5190909 (1993-03-01), Shanton et al.
Akiyama et al., "Diphenylmethane and Triphenylmethane Dye Ethynovinylogues with Absorption Bands in the Near-Infrared", 9 Dyes and Pigments 459-66 (1988).
Gautier et al., "Condensation du Dimsylsodium Avec les Cetones .alpha.-Ethyleniques", Tetrahedron Letters No. 12, 895-98 (1970).
Gilman et al., "Addition Reactions of Organometallic Compounds with Conjugated Systems", 63 Journal of the American Chemical Society 2046-48 (Aug. 1941).
Lutz et al., "The Effect of Configuration on the Reactivity of the Chalcone System", 77 Journal of the American Chemical Society 1814-18 (Apr. 1955).
Miocque et al., "Synthese et etude pharmacologique de derives du naphtyl-2 meethylsulfoxyde", Chimie Therapeutique, 1972, Jul.-Aug., No. 4.

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