US3860427A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Quick-processable light-sensitive color photographic material
Assignee: Konica Minolta Inc
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Filing: 1972-12-27
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Granted: 1975-01-14
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Expires: 1992-12-27
Abstract
Abstract A light-sensitive silver halide photographic material which comprises a polyethylene film base which has been subjected to a corona discharge treatment having coated thereon a couplercontaining gelatin emulsion layer having a coupler-to-gelatin ratio in parts by weight of from about 1:3 to 1:5.
Inventors
- 👤 Shunji Matsuo
- 👤 Shui Sato
- 👤 Hidehiko Ishikawa
- 👤 Shinichi Nakamura
- 👤 Masahiko Taguchi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:06
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/76; G03C1/91; G03C1/915; G03C1/775; G03C1/79; Y; Y10; Y10S; Y10S430/00; Y10S430/164
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
A LIGHT-SENSITIVE SILVER HALIDE COLOR PHOTOGRAPHIC MATERIAL SUITABLE FOR QUICK PROCESSING, WHICH COMPRISES A SUPPORT AND, COATED ON SAID SUPPORT, A COUPLER-CONTAINING PHOTOGRAPHIC GELATIN EMULSION LAYER HAVING A COUPLER-TO-GELATIN RATIO IN PARTS BY WEIGHT OF FROM ABOUT 1:3 TO 1:5, SAID SUPPORT HAVING A POLYETHYLENE FILM BASE WHICH HAS BEEN SUBJECTED TO A CORONA DISCHARGE TREATMENT.
Claim 2
Dependent Claim
56 words
A LIGHT-SENSITIVE SILVER HALIDE COLOR PHOTOGRAPHIC MATERIAL SUITABLE FOR QUICK PROCESSING, WHICH COMPRISES A SUPPORT AND, COATED ON SAID SUPPORT, A COUPLER-CONTAINING PHOTOGRAPHIC GELATIN EMULSION LAYER HAVING A COUPLER-TO-GELATIN RATIO IN PARTS BY WEIGHT OF FROM ABOUT 1:3 TO 1:5, SAID SUPPORT HAVING A POLYETHYLENE FILM BASE WHICH HAS BEEN SUBJECTED TO A CORONA DISCHARGE TREATMENT.
References Cited (Backward Citations)
US1660826A
Cited
US3201250A
Cited
US3328167A
Cited
US3411908A
Cited
US3630742A
Cited
US3697305A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-01-13 | 1978-07-15 | 1979-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-01-13 | 1982-07-15 | 1983-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-01-13 | 1986-07-15 | 1987-01-14 | $7700.00 | Window Closed / Lapsed |