US2593314A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for producing magnesia
Assignee: Standard Oil Development Co
•
Filing: 1949-03-15
•
Granted: 1952-04-15
•
Expires: 1969-03-15
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles N Kimberlin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:04
CPC Classifications
C; C01; C01F; C01F5/00; C01F5/14; B; B01; B01J; B01J21/00; B01J21/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
A PROCESS FOR PRODUCING MAGNESIA WHICH COMPRISES REACTING A SUBSTANTIALLY ANHYDROUS AND WATER SOLUBLE LOWER ALIPHATIC ALCOHOL WITH MAGNESIUM METAL TO FORM MAGNESIUM ALCOHOLATE, TREATING THE RESULTANT MAGNESIUM ALCOHOLATE WITH A SUBSTANTIALLY WATER INSOLUBLE HIGHER ALIPHATIC ALCOHOL, HYDROLYZING THE RESULTANTS SUBSTITUTED MAGNESIUM ALCOHOLATE WITH AN AQUEOUS MEDIUM TO FORM A HYDROUS MAGNESIA AND A SEPARATE LAYER COMPRISING WATER INSOLUBLE ALCOHOL, SEPARATING THE REGENERATED WATER INSOLUBLE ALCOHOL FROM SAID HYDROUS MAGNESIA AND RECOVERING THE HYDROUS MAGNESIA SO FORMED.
Claim 2
Dependent Claim
77 words
A PROCESS FOR PRODUCING MAGNESIA WHICH COMPRISES REACTING A SUBSTANTIALLY ANHYDROUS AND WATER SOLUBLE LOWER ALIPHATIC ALCOHOL WITH MAGNESIUM METAL TO FORM MAGNESIUM ALCOHOLATE, TREATING THE RESULTANT MAGNESIUM ALCOHOLATE WITH A SUBSTANTIALLY WATER INSOLUBLE HIGHER ALIPHATIC ALCOHOL, HYDROLYZING THE RESULTANTS SUBSTITUTED MAGNESIUM ALCOHOLATE WITH AN AQUEOUS MEDIUM TO FORM A HYDROUS MAGNESIA AND A SEPARATE LAYER COMPRISING WATER INSOLUBLE ALCOHOL, SEPARATING THE REGENERATED WATER INSOLUBLE ALCOHOL FROM SAID HYDROUS MAGNESIA AND RECOVERING THE HYDROUS MAGNESIA SO FORMED.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-15 | 1955-10-15 | 1956-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-15 | 1959-10-15 | 1960-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-15 | 1963-10-15 | 1964-04-15 | $7700.00 | Window Closed / Lapsed |