Patent US2962358A successfully refreshed from Google Patents.
US2962358A
Expired / Lapsed
US
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Method of making lithium peroxide in methanol
Assignee: Barium & Chemicals
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Filing: 1958-06-02
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Granted: 1960-11-29
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Expires: 1978-06-02
Abstract
No abstract record available.
Inventors
- 👤 Henry H Strater
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:38
CPC Classifications
C; C01; C01B; C01B15/00; C01B15/04; C01B15/043; C01B15/0435
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
A METHOD OF PREPARING LITHIUM PEROXIDE CONSISTING OF THE STEPS OF DISSOLVING SUFFICIENT ANHYDORUS LITHIUM HYDROXIDE IN METHYL ALCOHOL TO SATURATE THE SOLUTION, SAID ANHYDROUS LITHIUM HYDROXIDE CONTAINING LITHIUM CARBONATE AS AN IMPURITY AND WHICH INPURITY IS INSOLUBLE IN METHYL ACHOHOL, FILTERING OFF ANY INSOLUBLE MATERIALS INCLUDING THE LITHIUM CARBONATE, ADDING HYDROGEN PEROX IDE SOLUTION SLOWLY TO THE LITHIUM HYDROXIDE SOLUTION AND STIRRING THE MIXED SOLUTIONS, PERMITTING THE MIXED SOLUTIONS TO REACT AT THE AMBIENT TEMPERATURE, LITHIUM PEROXIDE BEING PRODUCED AS A PRECIPITATE, FILTERING THE MIXED SOLUTIONS TO REMOVE THE LITHIUM PEROXIDE THEREFROM, WASHING THE LITHIUM PEROXIDE WITH METHYL ALCOHOL AND DRYING THE WASHED LITHIUM UNDER VACUUM.
Claim 2
Independent Claim
107 words
A METHOD OF PREPARING LITHIUM PEROXIDE CONSISTING OF THE STEPS OF DISSOLVING SUFFICIENT ANHYDORUS LITHIUM HYDROXIDE IN METHYL ALCOHOL TO SATURATE THE SOLUTION, SAID ANHYDROUS LITHIUM HYDROXIDE CONTAINING LITHIUM CARBONATE AS AN IMPURITY AND WHICH INPURITY IS INSOLUBLE IN METHYL ACHOHOL, FILTERING OFF ANY INSOLUBLE MATERIALS INCLUDING THE LITHIUM CARBONATE, ADDING HYDROGEN PEROX IDE SOLUTION SLOWLY TO THE LITHIUM HYDROXIDE SOLUTION AND STIRRING THE MIXED SOLUTIONS, PERMITTING THE MIXED SOLUTIONS TO REACT AT THE AMBIENT TEMPERATURE, LITHIUM PEROXIDE BEING PRODUCED AS A PRECIPITATE, FILTERING THE MIXED SOLUTIONS TO REMOVE THE LITHIUM PEROXIDE THEREFROM, WASHING THE LITHIUM PEROXIDE WITH METHYL ALCOHOL AND DRYING THE WASHED LITHIUM UNDER VACUUM.
References Cited (Backward Citations)
US2215856A
Cited
US2488485A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-29 | 1964-05-30 | 1964-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-29 | 1968-05-30 | 1968-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-29 | 1972-05-30 | 1972-11-29 | $7700.00 | Window Closed / Lapsed |