US3778268A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Light-sensitive silver halide photographic material
Assignee: Konica Minolta Inc
•
Filing: 1972-09-11
•
Granted: 1973-12-11
•
Expires: 1992-09-11
Abstract
Abstract A light-sensitive silver halide photographic material containing as anti-spotting agent, at least one compound represented by the general formula
Inventors
- 👤 T Haga
- 👤 K Horigome
- 👤 R Ushiyama
- 👤 O Sugino
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:45
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/005; G03C1/06; G03C1/33
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
23 words
A light-sensitive silver halide photographic material as claimed in claim 1, wherein said emulsion layer is a color former-containing color photographic emulsion layer.
Claim 2
Dependent Claim
50 words
A light-sensitive silver halide photographic material as claimed in claim 1, wherein said anti-spotting agent has been incorporated into a silver halide emulsion layer in the amount of 1 X 10 4 to 1 X 10 1 mole per mole of silver halide contained in said silver halide emulsion layer.
Claim 3
Dependent Claim
48 words
A light-sensitive silver halide photographic material as claimed in claim 1, wherein said anti-spotting agent has been incorporated into a sub layer; inter layer or protective layer in the amount of 5 X 10 6 to 1 X 10 2 mole per square meter of the layer concerned.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-12-10 | 1977-06-11 | 1977-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-10 | 1981-06-11 | 1981-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-10 | 1985-06-11 | 1985-12-11 | $7700.00 | Window Closed / Lapsed |