Apparatus for decolorizing toner images and an image forming app

Details Apparatus for decolorizing toner images and an image forming app Apparatus for decolorizing toner images and an image forming app

1994-09-09

1996-11-05

Braun, Fred L.

Electrophotography

Supplemental electrophotographic process

399411, G03G 1501, G03G 2100

Patent

active

055723110

ABSTRACT:
A sheet of paper, plastic or the like on which an image has been formed using a toner that is photochemically decolorizable by absorption of near infrared rays is illuminated with near infrared rays under the state wherein the image is heated to a temperature equal to or higher than the glass-transition temperature of a binding resin of the toner. The color of the toner can thereby be easily and rapidly eliminated. This enables the reuse of the sheet to be realized easily and at a low cost.

REFERENCES:
patent: 4335955 (1982-06-01), Lopata
patent: 4457615 (1984-07-01), Seanor
patent: 4992347 (1991-02-01), Hawkins et al.
patent: 5045420 (1991-09-01), Hosono et al.
patent: 5164287 (1992-11-01), Nagae et al.
patent: 5166041 (1992-11-01), Murofushi et al.

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