Photographic processes and elements
Abstract
Abstract PROCESSES FOR PROVIDING PHOTOGRAPHIC REPRODUCTIONS WHEREIN SILVER NEGATIVE IMAGES ARE DEVELOPED IN IMAGEWISE EXPOSED PHOTOGRAPHIC ELEMENTS HAVING AT LEAST TWO SUPERPOSED HYDROPHILIC COLLOID EMULSION IMAGE RECORDING LAYERS CONTAINING SILVER HALIDE AND COLOR FORMING COUPLERS WHERIN AT LEAST ONE OF THE SILVER HALIDE EMULSION IMAGE RECORDING LAYERS CONTAINS FROM ABOUT 0.5 TO 10 MOLE PERCENT IODIDE, BASED ON THE TOTAL AMOUNT OF HALIDE IN THE EMULSION LAYER. DEVELOPMENT OF THE IMAGEWISE EXPOSED NEGATIVE PHOTOGRAPHIC ELEMENTS IN A PHOTOGRAPHIC COLOR DEVELOPER CONTAINING SILVER HALIDE SOLVENT AND REMOVAL OF SILVER AND SILVER HALIDE FROM SAID NEGATIVE ELEMENTS RESULT IN COLOR NEGATIVES HAVING IMPROVED INTERMIAGE CHARACTERISTICS.
Inventors
- 👤 H Bello
- 👤 A Smith
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) | 1977-08-26 | 1978-02-25 | 1978-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-08-26 | 1982-02-25 | 1982-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-08-26 | 1986-02-25 | 1986-08-27 | $7700.00 | Window Closed / Lapsed |