Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1992-07-31
1994-08-30
Ivy, C. Warren
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
C07D31188
Patent
active
053429672
ABSTRACT:
The improved two types of crystal modification of 2-n-toluidino-3-methyl-6-di-n-butylaminofluoran, as well as the crystalline toluene adduct thereof have high solubility in inner-phase solvent(s). Recording materials that use those compounds as electron donating color formers exhibit particularly good performance in various characteristics such as whiteness of the background, its storage stability, color rendition, sensitivity for color formation and image storage stability.
REFERENCES:
patent: 4330473 (1982-05-01), Hatano et al.
patent: 4502068 (1985-02-01), Taniguchi et al.
Fujita Shigeo
Hashimoto Shuichi
Kumagae Yojiro
Matsumoto Mansuke
Wada Sayuri
Ivy C. Warren
Owens A. A.
Yamamoto Chemicals Inc.
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