Electrophotographic multicolor copy process employing solubilizable dyes
Abstract
Abstract THIS INVENTION IS ADDRESSED TO AN ELECTROPHOTOGRAPHIC COPY PROCESS FOR THE PRODUCTION OF TRUE COLOR COPIES IN WHICH AT LEAST TWO RECEPTOR SHEETS, EACH OF WHICH IS PROVIDED WITH A BINDER, A PHOTOCONDUCTOR, A SENSITIZING COMPONENT WHICH ENSITIZES THE PHOTOCONDUCTOR TO AT LEAST A PORTION OF THE SPECTRUM OF VISIBLE LIGHT AND A DISPERSED DYE OF A DIFFERENT COLOR ON EACH RECEPTOR, ARE SEPARATELY IVEN AN ELECTROSTATIC CHARGE AND EXPOSED TO AN ORIGINAL SUCH AS A MULTI-COLOR ORIGINAL, AND THE EXPOSED RECEPTOR SHEETS ARE THEREAFTER DEVELOPED WITH A DEVELOPER COMPOSITION CONTAINING A TONER IN THE FORM OF A MATERIAL WHICH, IN RESPONSE TO ACTIVATION, SERVES AS A SOLVENT FOR THE DISPERSED DYE TO EFFECT TRANSFER OF THE DYE COLOR FROM THE UNDERLYING PORTIONS OF EACH COATING TO A COPY SHEET PRESSED INTO SURFACE CONTACT WITH EACH RECEPTOR.
Inventors
- 👤 L Chapin
- 👤 R Freed
Bibliographic Details
Claims Analysis
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-04-16 | 1976-10-16 | 1977-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-04-16 | 1980-10-16 | 1981-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-04-16 | 1984-10-16 | 1985-04-17 | $7700.00 | Window Closed / Lapsed |