US3846128A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photosensitive elements having improved processing temperature latitude
Assignee: Eastman Kodak Co
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Filing: 1972-09-21
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Granted: 1974-11-05
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Expires: 1992-09-21
Abstract
Abstract 1. A PHOTOSENSITIVE ELEMENT COMPRISING A SUPPORT HAVING THEREON AT LEAST ONE PHOTOSENSITIVE, IMAGE-RECORDING, SILVER HALIDE EMULSION LAYER, SAID ELEMENT CONTAINING AN OPPOSITE-WORKING SILVER HALIDE EMULSION LAYER FOR PRODUCING IN DIRECT PROPORTION TO ITS DEVELOPMENT, A DIFFUSIBLE DEVELOPMENT INHIBITOR TO INHIBIT FURTHER DEVELOPMENT IN SAID IMAGE-REACODING LAYER WHEN BOTH LAYERS ARE DEVELOPED SIMULTANEOUSLY, SAID OPPOSITE-WORKING SILVER HALIDE EMULSION LAYER AND AT LEAST ONE OF SAID IMAGE-RECORDING SILVER HALIDE EMULSION LAYERS HAVING SUBSTANTIALLY THE SAME SENSITIVITY TO ACTINIC RADIATION WITH A PARTICULAR SPECTRAL REGION.
Inventors
- 👤 L Thomas
- 👤 R Tuite
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:40
CPC Classifications
G; G03; G03C; G03C8/00; G03C8/02; G03C8/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
A PHOTOSENSITIVE ELEMENT COMPRISING A SUPPORT HAVING THEREON AT LEAST ONE PHOTOSENSITIVE, IMAGE-RECORDING, SILVER HALIDE EMULSION LAYER, SAID ELEMENT CONTAINING AN OPPOSITE-WORKING SILVER HALIDE EMULSION LAYER FOR PRODUCING IN DIRECT PROPORTION TO ITS DEVELOPMENT, A DIFFUSIBLE DEVELOPMENT INHIBITOR TO INHIBIT FURTHER DEVELOPMENT IN SAID IMAGE-REACODING LAYER WHEN BOTH LAYERS ARE DEVELOPED SIMULTANEOUSLY, SAID OPPOSITE-WORKING SILVER HALIDE EMULSION LAYER AND AT LEAST ONE OF SAID IMAGE-RECORDING SILVER HALIDE EMULSION LAYERS HAVING SUBSTANTIALLY THE SAME SENSITIVITY TO ACTINIC RADIATION WITH A PARTICULAR SPECTRAL REGION.
Claim 2
Dependent Claim
82 words
A PHOTOSENSITIVE ELEMENT COMPRISING A SUPPORT HAVING THEREON AT LEAST ONE PHOTOSENSITIVE, IMAGE-RECORDING, SILVER HALIDE EMULSION LAYER, SAID ELEMENT CONTAINING AN OPPOSITE-WORKING SILVER HALIDE EMULSION LAYER FOR PRODUCING IN DIRECT PROPORTION TO ITS DEVELOPMENT, A DIFFUSIBLE DEVELOPMENT INHIBITOR TO INHIBIT FURTHER DEVELOPMENT IN SAID IMAGE-REACODING LAYER WHEN BOTH LAYERS ARE DEVELOPED SIMULTANEOUSLY, SAID OPPOSITE-WORKING SILVER HALIDE EMULSION LAYER AND AT LEAST ONE OF SAID IMAGE-RECORDING SILVER HALIDE EMULSION LAYERS HAVING SUBSTANTIALLY THE SAME SENSITIVITY TO ACTINIC RADIATION WITH A PARTICULAR SPECTRAL REGION.
References 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) | 1977-11-04 | 1978-05-06 | 1978-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-11-04 | 1982-05-06 | 1982-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-11-04 | 1986-05-06 | 1986-11-05 | $7700.00 | Window Closed / Lapsed |