US3287127A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic processes using a stabilizing composition comprising a glucoside of a phenolic hydroxyl compound
Assignee: Polaroid Corp
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Filing: 1962-12-28
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Granted: 1966-11-22
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Expires: 1982-12-28
Abstract
No abstract record available.
Inventors
- 👤 Dershowitz Samuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:00
CPC Classifications
G; G03; G03C; G03C7/00; G03C7/30; G03C7/3046; G03C8/00; Y; Y10; Y10S; Y10S430/00; Y10S430/142
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
IN A PROCESS OF FORMING A PHOTOGRAPHIC IMAGE IN COLOR WHEREIN AN EXPOSED SILVER HALIDE EMULSION IS DEVELOPED IN THE PRESENCE OF A DYE DEVELOPER TO PROVIDE A PREDETERMINED DISTRIBUTION OF UNOXIDIZED DYE DEVELOPER SAID DYE DEVELOPER BEING A COMPOUND WHICH IS BOTH A DYE AND A SILVER HALIDE DEVELOPING AGENT, AND WHEREIN AT LEAST PART OF SAID DISTRIBUTION OF SAID UNOXIDIZED DYE DEVELOPER IS TRANSFERRED FROM SAID EMULSION TO A SUPERPOSED IMAGERECEIVING LAYER TO PROVIDE A DYE IMAGE THEREON, THE IMPROVEMENT WHICH COMPRISES INCREASING THE STABILITY OF SAID DYE IMAGE BY TREATING SAID DYE IMAGES, SUBSEQUENT TO THEIR FORMATION, WITH A STABILIZING COMPOSITION COMPRISING A GLUCOSIDE OF A PHENOLIC HYDROXYL COMPOUND.
Claim 2
Dependent Claim
112 words
IN A PROCESS OF FORMING A PHOTOGRAPHIC IMAGE IN COLOR WHEREIN AN EXPOSED SILVER HALIDE EMULSION IS DEVELOPED IN THE PRESENCE OF A DYE DEVELOPER TO PROVIDE A PREDETERMINED DISTRIBUTION OF UNOXIDIZED DYE DEVELOPER SAID DYE DEVELOPER BEING A COMPOUND WHICH IS BOTH A DYE AND A SILVER HALIDE DEVELOPING AGENT, AND WHEREIN AT LEAST PART OF SAID DISTRIBUTION OF SAID UNOXIDIZED DYE DEVELOPER IS TRANSFERRED FROM SAID EMULSION TO A SUPERPOSED IMAGERECEIVING LAYER TO PROVIDE A DYE IMAGE THEREON, THE IMPROVEMENT WHICH COMPRISES INCREASING THE STABILITY OF SAID DYE IMAGE BY TREATING SAID DYE IMAGES, SUBSEQUENT TO THEIR FORMATION, WITH A STABILIZING COMPOSITION COMPRISING A GLUCOSIDE OF A PHENOLIC HYDROXYL COMPOUND.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |