Electrostatic printing material and method of its preparation
Abstract
Abstract AN ELECTROSTATIC PRINTING MATERIAL HAVING IMPROVED PRINT DENSITY AND A METHOD OF ITS PREPARATION WHERE THE ELECTROSTATIC PRINTING MATERIAL COMPRISES AN ELECTRICALLY CONDUCTIVE SUPPORT LAYER AND A SECOND LAYER, THE SAID SECOND LAYER COMPRISING A POLYMERIC BINDER CONTAINING A DISPERSION OF A PHOTOCONDUCTIVE MATERIAL, WHERE THE POLYMERIC BINDER IS A POLYMER COMPRISING FROM ABOUT 50 TO ABOUT 65 PERCENT BY WEIGHT UNITS DERIVED FROM ETHYL ACRYLATE, FROM ABOUT 3 TO ABOUT 10 PERCENT BY WEIGHT UNITS DERIVED FROM AT LEAST ONE COMPOUND SELECTED FROM THE GROUP CONSISTING OF HYDROXYETHYL METHACRYLATE AND HYDROXYPROPYL METHACRYLATE, FROM ABOUT 30 TO ABOUT 45 PERCENT BY WEIGHT UNITS DERIVED FROM STYRENE AND UP TO ABOUT 10 PERCENT BY WEIGHT UNITS DERIVED FROM MONOCHLOROSTYRENE.
Inventors
- 👤 Minoo N Dastoor
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-11 | 1974-07-13 | 1975-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-11 | 1978-07-13 | 1979-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-11 | 1982-07-13 | 1983-01-12 | $7700.00 | Window Closed / Lapsed |