US3135776A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of benzene tricarbonyls of group vib metals
Assignee: Ethyl Corp
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Filing: 1961-03-07
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Granted: 1964-06-02
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Expires: 1981-03-07
Abstract
No abstract record available.
Inventors
- 👤 George G Ecke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:27
CPC Classifications
C; C07; C07F; C07F11/00; Y; Y10; Y10S; Y10S585/00; Y10S585/929; Y10S585/93; Y10S585/931
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
31 words
THE PROCESS OF PREPARING A BENZENE METAL TRICARBONYL COMPOUND WHICH COMPRISES REACTING AN ALLOOCIMENE WITH A METAL HEXACARBONYL WHEREIN THE METAL IS A METAL OF GROUP VIB OF THE PERIODIC TABLE.
Claim 2
Dependent Claim
31 words
THE PROCESS OF PREPARING A BENZENE METAL TRICARBONYL COMPOUND WHICH COMPRISES REACTING AN ALLOOCIMENE WITH A METAL HEXACARBONYL WHEREIN THE METAL IS A METAL OF GROUP VIB OF THE PERIODIC TABLE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-02 | 1967-12-02 | 1968-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-02 | 1971-12-02 | 1972-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-02 | 1975-12-02 | 1976-06-02 | $7700.00 | Window Closed / Lapsed |