Method and apparatus for decolorization, and image forming apparatus
US5405726A · kind A · utility
8Cited by
3References
27Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Nov 10, 1992 |
| Grant date | Apr 11, 1995 |
| Priority date | — |
| Expiry date | Nov 10, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S428/916
- WIPO fieldOptics
- WIPO sectorInstruments
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.