Crystal modification of 2-(3-methylanilino)-3-methyl-6-diethylam

Details Crystal modification of 2-(3-methylanilino)-3-methyl-6-diethylam Crystal modification of 2-(3-methylanilino)-3-methyl-6-diethylam

1992-12-11

1994-08-16

Ivy, C. Warren

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D31188

Patent

active

053388666

ABSTRACT:
The improved .beta.-type crystal modification of 2-(3-methylanilino)-3-methyl-6-diethylaminofluoran has high solubility in inner-phase solvents. The compound is very useful as a color former for pressure-sensitive recording materials and thermal recording materials. Recording materials that use this compound as color former exhibit good performance in various characteristics such as whiteness of the background, its storage stability, color rendition, sensitivity for color formation and color fastness of image.

REFERENCES:
patent: 4330473 (1982-05-01), Hatano et al.
patent: 4502068 (1985-02-01), Taniguchi et al.

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