Patent US3600175A successfully refreshed from Google Patents.
US3600175A
Expired / Lapsed
US
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Argentohalide complex film construction
Assignee: 3M Co
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Filing: 1967-11-20
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Granted: 1971-08-17
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Expires: 1987-11-20
Abstract
Abstract THIS INVENTION DISCLOSES A FILM HAVING AT LEAST ONE LAYER CONTAINING A LIGHT INSENSITIVE ARGENTOHALIDE COMPLEX, SAID LAYER BEING FREE OF PROTIC SOLVENT, PHOTOSENSITIVE SILVER HALIDE CRYSTALS AND PHOTOSENSITIVE SILVER IONS, SAID COMPLEX PROVIDING LIGHT SENSITIVE SILVER HALIDE IN SAID LAYER UPON CONTACT WITH A PROTIC SOLVENT. SUCH FILMS CAN BE UTILIZED BY CONTACTING THE LAYER CONTAINING THE LIGHT INSENSITIVE ARGENTOHALIDE COMPLEX WITH A PROTIC SOLVENT, RESULTING IN THE GENERATION OF PHOTOSENSITIVE SILVER HALIDE, AND EXPOSING AND DEVELOPING PHOTOSENSITIVE SILVER HALIDE BY CONVENTIONAL PHOTOGRAPHIC TECHNOLOGY.
Inventors
- 👤 George De W Anderson
- 👤 Grahame J Stehle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:47
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/005; Y; Y10; Y10S; Y10S430/00; Y10S430/156
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) | 1974-08-16 | 1975-02-15 | 1975-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-16 | 1979-02-15 | 1979-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-16 | 1983-02-15 | 1983-08-17 | $7700.00 | Window Closed / Lapsed |