US2873290A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkoxide synthesis
Assignee: Standard Oil Co
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Filing: 1955-01-18
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Granted: 1959-02-10
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Expires: 1975-01-18
Abstract
No abstract record available.
Inventors
- 👤 Donald L Esmay
- 👤 Carl E Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:11
CPC Classifications
C; C07; C07C; C07C31/00; C07C31/28; C07C31/32; C07C29/00; C07C29/48; C07C29/50; C07C29/54; C07C29/68; C07C29/72
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
A PROCESS FOR THE PREPARATION OF AN ALKOXIDE OF A COMPOUND SELECTED FROM THE CLASS CONSISTING OF ALKALI METAL OOROALKYLS AND ALKALI METAL ALUMINOALKYLS, WHEREIN EACH ALKYL GROUP CONTAINS AT LEAST 2 CARBON ATOMS, WHICH PROCESS COMPRISES CONTACTING A COMPOUND OF SAID CLASS IN THE PRESENCE OF AN INERT LIQUID HYDROCARBON DILUENT WITH MOLECULAR OXYGEN UNDER CONDITIONS TO PRODUCE A SUBSTANTIAL YIELD OF SAID ALKOXIDE.
Claim 2
Dependent Claim
65 words
A PROCESS FOR THE PREPARATION OF AN ALKOXIDE OF A COMPOUND SELECTED FROM THE CLASS CONSISTING OF ALKALI METAL OOROALKYLS AND ALKALI METAL ALUMINOALKYLS, WHEREIN EACH ALKYL GROUP CONTAINS AT LEAST 2 CARBON ATOMS, WHICH PROCESS COMPRISES CONTACTING A COMPOUND OF SAID CLASS IN THE PRESENCE OF AN INERT LIQUID HYDROCARBON DILUENT WITH MOLECULAR OXYGEN UNDER CONDITIONS TO PRODUCE A SUBSTANTIAL YIELD OF SAID ALKOXIDE.
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) | 1962-02-09 | 1962-08-11 | 1963-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-09 | 1966-08-11 | 1967-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-09 | 1970-08-11 | 1971-02-10 | $7700.00 | Window Closed / Lapsed |