US3178288A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic film having improved flexibility
Assignee: GAF Chemicals Corp
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Filing: 1961-08-23
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Granted: 1965-04-13
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Expires: 1981-08-23
Abstract
No abstract record available.
Inventors
- 👤 Michael T Orinik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 11:25
CPC Classifications
G; G03; G03C; G03C11/00; G03C11/08; G03C1/00; G03C1/76; G03C1/7614
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A PHOTOGRAPHIC ELEMENT COMPRISING A FLEXIBLE SUPPORT CARRYING IN THAT ORDER A SUBBING LAYER, A LIGHT-SENSITIVE SILVER HALIDE GELATIN EMULSION LAYER AND IN CONTIGUOUS CONTACT WITH SAID EMULSION LAYER A SURFACE LAYER COMPRISING GELATIN AS A COLLOIDAL CARRIER MATERIAL HAVING LUNIFORMLY DISPERSED THEREIN AS A PLASTICIZER THEREFOR, THE REACTION PRODUCT OF LANOLIN AND ETHYLENE OXIDE, THE AMOUNT OF REACTION PRODUCT PRESENT IN THE SURFACE LAYER RANGING FROM 5 TO 50% BASED ON THE DRY WEIGHT OF THE GELATIN.
Claim 2
Dependent Claim
78 words
A PHOTOGRAPHIC ELEMENT COMPRISING A FLEXIBLE SUPPORT CARRYING IN THAT ORDER A SUBBING LAYER, A LIGHT-SENSITIVE SILVER HALIDE GELATIN EMULSION LAYER AND IN CONTIGUOUS CONTACT WITH SAID EMULSION LAYER A SURFACE LAYER COMPRISING GELATIN AS A COLLOIDAL CARRIER MATERIAL HAVING LUNIFORMLY DISPERSED THEREIN AS A PLASTICIZER THEREFOR, THE REACTION PRODUCT OF LANOLIN AND ETHYLENE OXIDE, THE AMOUNT OF REACTION PRODUCT PRESENT IN THE SURFACE LAYER RANGING FROM 5 TO 50% BASED ON THE DRY WEIGHT OF THE GELATIN.
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) | 1968-04-12 | 1968-10-12 | 1969-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-12 | 1972-10-12 | 1973-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-12 | 1976-10-12 | 1977-04-13 | $7700.00 | Window Closed / Lapsed |