US3064021A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organometallic compounds
Assignee: Ethyl Corp
•
Filing: 1958-08-08
•
Granted: 1962-11-13
•
Expires: 1978-08-08
Abstract
No abstract record available.
Inventors
- 👤 Wilkinson Geoffrey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:13
CPC Classifications
C; C07; C07F; C07F11/00; C23; C23C; C23C16/00; C23C16/06; C23C16/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
A CYCLOHEPTATRIENE METAL CARBONYL COORDINATION COMPOUND HAVING THE FORMULA AM(CO)3 WHERE A IS A CYCLOHEPTATRIENE ORGANIC COMPOUND CONSISTING OF ATOMS SELECTED FROM THE CLASS CONSISTING OF CARBON, HYDROGEN, OXYGEN, NITROGEN AND HALIDE ATOMS AND HAVING FROM 7 TO ABOUT 14 CARBON ATOMS AND M IS A TRANSITION METAL OF GROUP VIB OF THE PERIODIC TABLE.
Claim 2
Dependent Claim
55 words
A CYCLOHEPTATRIENE METAL CARBONYL COORDINATION COMPOUND HAVING THE FORMULA AM(CO)3 WHERE A IS A CYCLOHEPTATRIENE ORGANIC COMPOUND CONSISTING OF ATOMS SELECTED FROM THE CLASS CONSISTING OF CARBON, HYDROGEN, OXYGEN, NITROGEN AND HALIDE ATOMS AND HAVING FROM 7 TO ABOUT 14 CARBON ATOMS AND M IS A TRANSITION METAL OF GROUP VIB OF THE PERIODIC TABLE.
References Cited (Backward Citations)
US2409167A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-12 | 1966-05-14 | 1966-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-12 | 1970-05-14 | 1970-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-12 | 1974-05-14 | 1974-11-13 | $7700.00 | Window Closed / Lapsed |