Patent US2918494A successfully refreshed from Google Patents.
US2918494A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of organometallic
Assignee: —
•
Filing: —
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Granted: 1959-12-22
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Expires: 1976-12-22
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:47
CPC Classifications
C; C07; C07C; C07C323/00; C07C323/50; C07C323/51; C07C323/52; C01; C01B; C01B3/00; C01B3/02; C01B3/06; C01B3/065
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
THE PROCESS WHICH COMPRISES REACTING A METAL SALT OF A CARBOXYLIC ACID, HAVING AT LEAST ONE A-HYDROGEN ATOM, WITH A COMPOUND SELECTED FROM THE GROUP CONSISTING OF HYDRIDES, AMIDES, AND LOWER ALKYL AMIDES OF A METAL SELECTED FROM THE CLASS CONSISTING OF ALKLAI AND ALKALINE EARTH METALS (1) AT A PRESSURE NOT SUBSTANTIALLY GREATER THEN ATMOSPHERIC AND AT A TEMPERATURE WITHIN ABOUT 40* C. OF THE MELTING POINT OF THE LOWER MELTING REACTANT WHEN SAID AMIDES AND LOWER ALKYL AMIDES ARE EMPLOYED, AND (2) WHEN SAID HYDRIDES ARE EMPLOYED, SAID PROCESS BEING CONDUCTED AT AT TEMPERATURE UP TO ABOUT 260*C.
Claim 2
Dependent Claim
100 words
THE PROCESS WHICH COMPRISES REACTING A METAL SALT OF A CARBOXYLIC ACID, HAVING AT LEAST ONE A-HYDROGEN ATOM, WITH A COMPOUND SELECTED FROM THE GROUP CONSISTING OF HYDRIDES, AMIDES, AND LOWER ALKYL AMIDES OF A METAL SELECTED FROM THE CLASS CONSISTING OF ALKLAI AND ALKALINE EARTH METALS (1) AT A PRESSURE NOT SUBSTANTIALLY GREATER THEN ATMOSPHERIC AND AT A TEMPERATURE WITHIN ABOUT 40* C. OF THE MELTING POINT OF THE LOWER MELTING REACTANT WHEN SAID AMIDES AND LOWER ALKYL AMIDES ARE EMPLOYED, AND (2) WHEN SAID HYDRIDES ARE EMPLOYED, SAID PROCESS BEING CONDUCTED AT AT TEMPERATURE UP TO ABOUT 260*C.
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) | 1962-12-21 | 1963-06-22 | 1963-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-21 | 1967-06-22 | 1967-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-21 | 1971-06-22 | 1971-12-22 | $7700.00 | Window Closed / Lapsed |