Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Patent
1978-07-27
1980-12-09
Martin, Jr., Roland E.
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Post imaging process, finishing, or perfecting composition...
430126, 430 45, 430345, 428407, 8 25A, 26032611S, G03G 908
Patent
active
042385628
ABSTRACT:
Disclosed is a light transmission particle containing a colorless sublimable dye that is a spirobenzopyrane indole compound suitable for use in the formation of a color image. This particle can produce a clear color image having little fogging and having an excellent resolving power.
REFERENCES:
patent: 2940847 (1960-06-01), Kaprelian
patent: 3080318 (1963-03-01), Claus
patent: 3732119 (1973-05-01), Churchill
patent: 4121932 (1978-10-01), Ishida
patent: 4145300 (1979-03-01), Hendriks
Kobayashi et al., "The Photochromism of Evaporated Photospiran", Bull. Chem. Soc. Japan, 1969, 42(9) 2735-2736.
Day, "Thermochromism", Chem. Rev., vol. 63, 1963, pp. 65-66.
Endo Shigeru
Ishida Eisuke
Miyazawa Yoshihide
Nishiguchi Hisanori
Takashima Yuji
Hodogaya Chemical Co. Ltd.
Martin Jr. Roland E.
Matsushita Electric - Industrial Co., Ltd.
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