US3047394A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photosensitive products containing therein layers hardened by bisepoxides
Assignee: Eastman Kodak Co
•
Filing: 1958-08-01
•
Granted: 1962-07-31
•
Expires: 1978-08-01
Abstract
No abstract record available.
Inventors
- 👤 Charles F H Allen
- 👤 Ralph H Talbot
- 👤 Donald A Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:08
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/005; G03C1/06; G03C1/30; G03C1/306
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
45 words
A SILVER-HALIDE PHOTOGRAPHIC EMULSION CONTAINIG AS THE VEHICLE FOR THE SILVER HALIDE A WATER SOLUBLE POLYMER CONTAINING CARBOXYL GROUPS AND AS THE HARDENER THEREIN 0.5-10%, BASED ON THE WEIGHT OF THE POLYMER, OF A WATER SOLUBLE BISEPOXIDE SELECTED FROM THE GROUP CONSISTING OF THE FOLLOWING:
References Cited (Backward Citations)
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US2712535A
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US2713567A
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US2784128A
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US2872427A
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US2829053A
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US2872428A
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US2992132A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-30 | 1966-01-29 | 1966-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-30 | 1970-01-29 | 1970-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-30 | 1974-01-29 | 1974-07-31 | $7700.00 | Window Closed / Lapsed |