US3561971A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Print-out emulsion for actinic light development and process of making such emulsions
Assignee: GAF Corp
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Filing: 1967-03-10
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Granted: 1971-02-09
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Expires: 1987-03-10
Abstract
Abstract THIS INVENTION DEALS WITH LIGHT-SENSITIVE MATERIALS FOR THE RECORDING OF IMAGES PRODUCED BY LIGHT OF HIGH INTENSITY SUCH AS THE SCANNING BEAMS OF OSCILLOGRAPHS AND THE DEVELOPMENT OF THES LATENT IMAGES BY POST EXPOSURE WITH LOW INTENSITY LIGHT. THE SILVER HALIDE EMULSIONS USED ARE PREPARED BY FORMING SILVER IODIDE ON THE SURFACE OF THE SILVER BROMIDE GRAINS, THE AMOUNT OF SILVER IODIDE RANGING FROM 0.2 TO 10 MOLE PERCENT BASED ON THE SILVER CONTENT. THE EMULSIONS ALSO CONTAIN FROM 1 TO 25 MOLE PERCENT OF LEAD BROMIDE BASED ON THE SILVER CONTENT.
Inventors
- 👤 Henry W Pestalozzi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:43
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/005; G03C1/49
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) | 1974-02-08 | 1974-08-10 | 1975-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-08 | 1978-08-10 | 1979-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-08 | 1982-08-10 | 1983-02-09 | $7700.00 | Window Closed / Lapsed |