Record receiver having plural interactive leaves or a colorless – Having a colorless color-former – developer therefor – or... – Method of use – kit – or combined with marking instrument or...
Patent
1984-11-05
1988-04-26
Hess, Bruce H.
Record receiver having plural interactive leaves or a colorless
Having a colorless color-former, developer therefor, or...
Method of use, kit, or combined with marking instrument or...
427152, 503204, 503206, 503207, 503226, B41M 518, B41M 522
Patent
active
047404949
ABSTRACT:
This invention relates to a method of recording an image, characterized by superposing a heat-sensitive transfer medium on a plain paper and heating the medium thereby transferring a leuco dye from a leuco dye-containing transfer layer and a developer from a developer-containing transfer layer respectively onto the plain paper to react the leuco dye and the developer, said heat-sensitive transfer medium being prepared by having a transfer layer containing a leuco dye as the main component and a transfer layer containing a developer as the main component respectively applied on a single substrate or two separate substrates.
REFERENCES:
patent: 4273602 (1981-06-01), Kosaka et al.
patent: 4401721 (1983-08-01), Hida
patent: 4503095 (1985-03-01), Seto et al.
patent: 4622565 (1986-11-01), Watanabe et al.
Hakiri Minoru
Kawasaki Kanzirou
Kubo Keishi
Takigawa Nobuhiro
Watanabe Hideo
Hess Bruce H.
Ricoh Co. Ltd.
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