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US2822359A
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Benzothiazole azo cyclohexanedione-1, 3 compounds
Assignee: Eastman Kodak Co
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Filing: 1954-10-01
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Granted: 1958-02-04
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Expires: 1974-10-01
Abstract
No abstract record available.
Inventors
- 👤 James M Straley
- 👤 Jr John Sagal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 05:07
CPC Classifications
C; C09; C09B; C09B45/00; C07; C07D; C07D277/00; C07D277/60; C07D277/62; C07D277/68; C07D277/82; Y; Y10; Y10S; Y10S8/00; Y10S8/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
34 words
A COMPLEX METAL COMPOUND WHICH CONTAINS ONE OF THE METALS SELECTED FROM THE GROUP CONSISTING OF CHROMIUM, COBALT, COPPER, IRON, MANGANESE, NICKEL AND VANADIUM IN COMPLEX COMBINATION WITH A MONOAZO COMPOUND HAVING THE FORMULA:
Claim 2
Dependent Claim
34 words
A COMPLEX METAL COMPOUND WHICH CONTAINS ONE OF THE METALS SELECTED FROM THE GROUP CONSISTING OF CHROMIUM, COBALT, COPPER, IRON, MANGANESE, NICKEL AND VANADIUM IN COMPLEX COMBINATION WITH A MONOAZO COMPOUND HAVING THE FORMULA:
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) | 1961-02-03 | 1961-08-05 | 1962-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-03 | 1965-08-05 | 1966-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-03 | 1969-08-05 | 1970-02-04 | $7700.00 | Window Closed / Lapsed |