US3007953A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aryl manganese carbonyl compounds and process
Assignee: Ethyl Corp
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Filing: 1959-03-26
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Granted: 1961-11-07
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Expires: 1979-03-26
Abstract
No abstract record available.
Inventors
- 👤 Rex D Closson
- 👤 Thomas H Coffield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:26
CPC Classifications
C; C07; C07F; C07F13/00
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
17 words
AN ORGANOMETALLIC COMPOUND OF MANGANESE HAVING THE FORMULA RMN(CO)5 WHERE "R" IS A UNIVALENT ARYL HYDROCARBON GROUP.
Claim 2
Dependent Claim
17 words
AN ORGANOMETALLIC COMPOUND OF MANGANESE HAVING THE FORMULA RMN(CO)5 WHERE "R" IS A UNIVALENT ARYL HYDROCARBON GROUP.
Claim 3
Dependent Claim
49 words
A PROCESS FOR PREPARING ORGANOMETALLIC MANGANESE COMPOUNDS HAVING THE FORMULA RMN(CO)5 WHEREIN "R" IS A UNIVALENT ARYL HYDROCARBON GROUP SAID PROCESS COMPRISING PYROLIZING, AT TEMPERATURES BETWEEN ABOUT 20 TO ABOUT 225*C. AN ACYL MANGANESE PENTACARBONYL COMPOUND HAVING THE FORMULA RCOMN(CO)5 IN WHICH "R" IS A UNIVALENT ARYL HYDROCARBON GROUP.
Claim 4
Dependent Claim
49 words
A PROCESS FOR PREPARING ORGANOMETALLIC MANGANESE COMPOUNDS HAVING THE FORMULA RMN(CO)5 WHEREIN "R" IS A UNIVALENT ARYL HYDROCARBON GROUP SAID PROCESS COMPRISING PYROLIZING, AT TEMPERATURES BETWEEN ABOUT 20 TO ABOUT 225*C. AN ACYL MANGANESE PENTACARBONYL COMPOUND HAVING THE FORMULA RCOMN(CO)5 IN WHICH "R" IS A UNIVALENT ARYL HYDROCARBON GROUP.
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) | 1964-11-06 | 1965-05-08 | 1965-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-06 | 1969-05-08 | 1969-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-06 | 1973-05-08 | 1973-11-07 | $7700.00 | Window Closed / Lapsed |