US2865707A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Iron salts
Assignee: EIDP Inc
•
Filing: 1954-11-19
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Granted: 1958-12-23
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Expires: 1974-11-19
Abstract
No abstract record available.
Inventors
- 👤 Hogsed Milton Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:54
CPC Classifications
C; C07; C07F; C07F15/00; C07F15/04; C07F15/045; C01; C01G; C01G49/00; C01G49/009; C01P; C01P2006/00; C01P2006/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
42 words
A PROCESS FOR THE PREPARATION OF A METAL SALT OF IRON NITROSYL CARBONYL HYDRIDE WHEREING THE SALT OF IRON CARBONYL HYDRIDE AND SAID METAL IS REACTED WITH A SOLUBLE NITRITE SALT IN AN AQUEOUS REACTION MEDIUM AT A TEMPERATURE OF ABOUT 65-100*C.
Claim 2
Dependent Claim
42 words
A PROCESS FOR THE PREPARATION OF A METAL SALT OF IRON NITROSYL CARBONYL HYDRIDE WHEREING THE SALT OF IRON CARBONYL HYDRIDE AND SAID METAL IS REACTED WITH A SOLUBLE NITRITE SALT IN AN AQUEOUS REACTION MEDIUM AT A TEMPERATURE OF ABOUT 65-100*C.
References Cited (Backward Citations)
US2689261A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-22 | 1962-06-23 | 1962-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-22 | 1966-06-23 | 1966-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-22 | 1970-06-23 | 1970-12-23 | $7700.00 | Window Closed / Lapsed |