US3147075A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for producing anhydrous lithium peroxide by the use of a substantially water-immiscible organic liquid
Assignee: Lithium Corp of America Inc
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Filing: 1962-10-22
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Granted: 1964-09-01
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Expires: 1982-10-22
Abstract
No abstract record available.
Inventors
- 👤 Richardo O Bach
- 👤 Jr William W Boardman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:56
CPC Classifications
C; C01; C01B; C01B15/00; C01B15/04; C01B15/043; C01B15/0435
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
A METHOD OF PRODUCING SUBSTANTIALLY ANHYDROUS LITHIUM PEROXIDE COMPRISING FORMING A REACTION MIXTURE OF AN AQEUOUS SOLUTION OF HYDROGEN PEROXIDE WITH LITHIUM HYDROXIDE, CONTACTING THE MIXTURE WITH A SUBSTANTIALLY WATER-IMMISCIBLE ORGANIC LIQUID IN WHICH SAID REACTION MIXTURE AND LITHIUM PEROXIDE ARE SUBSTANTIALLY INSOLUBLE, SAID ORGANIC LIQUID BEING IN AN AMOUNT TO EFFECT REMOVAL OF SUBSTANTIALLY ALL OF THE WATER PRESENT IN THE REACTION MIXTURE DURING THE REACTION PERIOD, FORMING A BINARY HETEROAZEOTROPE BETWEEN SAID ORGANIC LIQUID AND THE WATER IN THE MIXTURE, REMOVING SAID HETEROAZEOTROPE FROM THE REACTION ZONE, CONDENSING AND RETURNING SAID ORGNANIC LIQUID TO THE REACTION ZONE, AND SEPARATING THE LITHIUM PEROXIDE FORMED FROM SAID ORGANIC LIQUID.
Claim 2
Independent Claim
109 words
A METHOD OF PRODUCING SUBSTANTIALLY ANHYDROUS LITHIUM PEROXIDE COMPRISING FORMING A REACTION MIXTURE OF AN AQEUOUS SOLUTION OF HYDROGEN PEROXIDE WITH LITHIUM HYDROXIDE, CONTACTING THE MIXTURE WITH A SUBSTANTIALLY WATER-IMMISCIBLE ORGANIC LIQUID IN WHICH SAID REACTION MIXTURE AND LITHIUM PEROXIDE ARE SUBSTANTIALLY INSOLUBLE, SAID ORGANIC LIQUID BEING IN AN AMOUNT TO EFFECT REMOVAL OF SUBSTANTIALLY ALL OF THE WATER PRESENT IN THE REACTION MIXTURE DURING THE REACTION PERIOD, FORMING A BINARY HETEROAZEOTROPE BETWEEN SAID ORGANIC LIQUID AND THE WATER IN THE MIXTURE, REMOVING SAID HETEROAZEOTROPE FROM THE REACTION ZONE, CONDENSING AND RETURNING SAID ORGNANIC LIQUID TO THE REACTION ZONE, AND SEPARATING THE LITHIUM PEROXIDE FORMED FROM SAID ORGANIC LIQUID.
References Cited (Backward Citations)
US2488485A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-01 | 1968-03-02 | 1968-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-01 | 1972-03-02 | 1972-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-01 | 1976-03-02 | 1976-09-01 | $7700.00 | Window Closed / Lapsed |