Dye-bleach materials and process

Details Dye-bleach materials and process Dye-bleach materials and process

1984-03-06

1985-10-22

Louie, Won H.

Radiation imagery chemistry: process, composition, or product th

Dye image from radiation sensitive dye or dye former by dry...

430348, 430350, 430517, 430522, 430339, G03C 524

Patent

active

045488967

ABSTRACT:
An imagewise bleachable composition is described comprising a dye in reactive association with a mesoionic compound. The composition may be bleached by radiation at wavelengths between 200 and 1000 nm.

REFERENCES:
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patent: 3627527 (1971-12-01), Gilman et al.
Chao-Tung Chen, et al.--Dyes Derived from Furfural, Aniline, and Organic Acids--pp. 49-60.
Elliot N. Marvell, et al.--Formation of Phenylpyridinium Chloride from 5-Anilino-N-Phenyl-2,4-Pentadienylideniminium Chloride, Kinetics in Basic Media, pp. 5641-5649.
Elliot N. Marvell,--Mechanism of the Formation of Phenylpyridinium Chloride from 1,7-Diphenyl-1,7-Diazahepta-1,3,5-Triene--pp. 277-280, Tetrahedron Letters, No. 3, Pergamon Press Ltd.
Elliot N. Marvell, et al.--Formation of Phenylpyridinium Chloride from 5-5-Anilino-N-Phenyl-2,4-Pentadienylideniminium Chloride in Acidic Media, pp. 2089-2092, Tetrahedron Letters, No. 23, Pergamon Press.
K. G. Lewis et al.--Aspects of the Formation and Use of Stenhouse Salts and Related Compounds, pp. 463-475, Tetrahedron Report No. 26, Pergamon Press.
Journal of American Chemical Society, vol. 72, May 1950.
J. C. McGowan--The Preparation of Bases from the Colored Compounds formed _by Condensation of Furfuraldehyde with Aromatic Amines, pp. 777-779, (1949).

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