US3042522A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic film and a composition for improving the slippage characteristics thereof
Assignee: GAF Chemicals Corp
•
Filing: 1958-06-13
•
Granted: 1962-07-03
•
Expires: 1978-06-13
Abstract
No abstract record available.
Inventors
- 👤 Aaron J Ben-Ezra
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 00:50
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/76; G03C1/7614
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
33 words
A PHOTOGRAPHIC FILM COMPRISING A BASE CARRYING AS ITS UPPERMOST LAYER A LIGHT SENSITIVE SILVEER HALIDE GELATIN EMULSION LAYER CONTAINING A UNIFORM MIXTURE OF AN ACYLATED TAURINE COMPOUND HAVING THE GENERAL CHEMICAL FORMULA
Claim 2
Dependent Claim
33 words
A PHOTOGRAPHIC FILM COMPRISING A BASE CARRYING AS ITS UPPERMOST LAYER A LIGHT SENSITIVE SILVEER HALIDE GELATIN EMULSION LAYER CONTAINING A UNIFORM MIXTURE OF AN ACYLATED TAURINE COMPOUND HAVING THE GENERAL CHEMICAL FORMULA
References Cited (Backward Citations)
US2139778A
Cited
US2675315A
Cited
US2597614A
Cited
US2702276A
Cited
US2694637A
Cited
US2739891A
Cited
GB785174A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-02 | 1966-01-01 | 1966-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-02 | 1970-01-01 | 1970-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-02 | 1974-01-01 | 1974-07-03 | $7700.00 | Window Closed / Lapsed |