US3597211A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photography
Assignee: Horizons Research Inc
•
Filing: 1968-10-18
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Granted: 1971-08-03
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Expires: 1988-10-18
Abstract
Abstract PHOTOSENSITIVE COMPOSITIONS COMPRISING A MIXTURE OF AT LEAST ONE SCHIFF''S BASE AND AT LEAST ONE ACTIVATOR FOR THE SCHIFF''S BASE IN SUCH AMOUNTS AND SUCH PROPORTIONS THAT A VISIBLE OR DEVELOPABLE LATENT IMAGE IS PRODUCED WHEN THE COMPOSITION IS EXPOSED TO A PATTERN OF RADIATION OF THE PROPER WAVELENGTH. THE SCHIFF''S BASE AND ACTIVATOR MATERIALS ARE PREFERABLY DISSOLVED IN OR DISPERSED IN OR SUPPORTED IN OR ON A BINDER SUPPORT OR CARRIER WHICH MAY BE A SYNTHETIC RESIN POLYMER OR PAPER OR CLOTH OR OTHER SUITABLE CARRIER.
Inventors
- 👤 James F Betts
- 👤 Victor P Petro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:11
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/675
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) | 1974-08-02 | 1975-02-01 | 1975-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-02 | 1979-02-01 | 1979-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-02 | 1983-02-01 | 1983-08-03 | $7700.00 | Window Closed / Lapsed |