US3582333A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for reducing color fog in color emulsions coated on electron bombarded supports
Assignee: Eastman Kodak Co
•
Filing: 1968-04-08
•
Granted: 1971-06-01
•
Expires: 1988-04-08
Abstract
Abstract COLOR FOG FORMATION AND LOSS OF SPEED IN A COLOR-FORMER BEARING EMULSION LAYER COATED NEAREST TO A HYDROPHOBIC SURFACE THAT IS ELECTRON BOMBARDED JUST PRIOR TO COATING IS ADVANTAGEOUSLY REDUCED OR PREVENTED BY THE INCORPORATION OF A REDUCING AGENT IN SAID EMULSION LAYER, OR IN A NONLIGHT-SENSITIVE HYDROPHILIC COLLOID LAYER COATED BETWEEN SAID EMULSION LAYER AND THE ELECTRON BOMBARDED SUPPORT.
Inventors
- 👤 Richard G Yost
- 👤 Ronald L Heidke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:48
CPC Classifications
G; G03; G03C; G03C7/00; G03C7/30; G03C7/392; G03C7/39208; G03C1/00; G03C1/76; G03C1/775; G03C1/79; G03C1/91; G03C1/915
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1974-05-31 | 1974-11-30 | 1975-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-31 | 1978-11-30 | 1979-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-31 | 1982-11-30 | 1983-06-01 | $7700.00 | Window Closed / Lapsed |