Patent US3817756A successfully refreshed from Google Patents.
US3817756A
Expired / Lapsed
US
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Manufacture of photographic silver halide materials
Assignee: Agfa Gevaert NV
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Filing: 1972-05-09
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Granted: 1974-06-18
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Expires: 1992-05-09
Abstract
Abstract A PHOTOGRAPHIC MATERIAL CONTAINING SILVER CHLORIDE AND/OR SILVER CHLOROBROMIDE GRAINS THAT HAVE (110) CRYSTAL PLANES WHICH GRAINS ARE DISPERSED IN A BINDER LAYER. THE ADSORPTION OF SENSITIZING DYES ON THE (110) HABIT GRAINS IS DIFFERENT FROM THAT OF (100) HABIT GRAINS.
Inventors
- 👤 F Claes
- 👤 M Libeer
- 👤 W Vanassche
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:46
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/005; G03C1/035
Claims Analysis
Total Claims: 0
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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) | 1977-06-17 | 1977-12-17 | 1978-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-06-17 | 1981-12-17 | 1982-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-06-17 | 1985-12-17 | 1986-06-18 | $7700.00 | Window Closed / Lapsed |