Patent US3615548A successfully refreshed from Google Patents.
US3615548A
Expired / Lapsed
US
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Photographic elements bearing light-absorbing layers containing an oxazole styryl dye and a metal chelate of a fuchsone dye
Assignee: EIDP Inc
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Filing: 1968-09-06
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Granted: 1971-10-26
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Expires: 1988-09-06
Abstract
Abstract A photographic element comprised of a support, a light-sensitive silver halide layer, and a filter layer or antihalation layer comprising an organic binder, an oxazoline styryl dye, and metal chelates of fuchsone-type dyes. The dye combinations are nonmigratory, stable, photographically inactive, and discharge completely in reversal processing.
Inventors
- 👤 John Charles Firestine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:08
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/76; G03C1/825; G03C1/83; G03C1/832
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
15 words
An element according to claim 1, wherein said binding agent is a water-permeable organic colloid.
Claim 2
Dependent Claim
41 words
An element according to claim 1, wherein said support is transparent to actinic radiation and the light-absorbing layer is on the surface of the support opposite from the silver halide layer and absorbs radiation to which the silver halide is sensitive.
Claim 3
Dependent Claim
38 words
An element according to claim 1, wherein said support is transparent to actinic radiation and the light-absorbing layer is on the support contiguous with the silver halide layer and absorbs radiation to which the silver halide is sensitive.
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) | 1974-10-25 | 1975-04-26 | 1975-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-10-25 | 1979-04-26 | 1979-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-10-25 | 1983-04-26 | 1983-10-26 | $7700.00 | Window Closed / Lapsed |