US2802816A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making organic lithium compounds
Assignee: Lubrizol Corp
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Filing: 1953-11-02
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Granted: 1957-08-13
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Expires: 1973-11-02
Abstract
No abstract record available.
Inventors
- 👤 Peter A Asseff
- 👤 Thomas W Mastin
- 👤 Rhodes Alan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:21
CPC Classifications
C; C10; C10M; C10M159/00; C10M159/12; C10M159/20; C07; C07F; C07F9/00; C07F9/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
170 words
A PROCESS WHICH COMPRISES PREPARING AND MIXING A MASS IN WHICH AT 50*C. AT LEAST 50% OF THE TOTAL MASS IS IN THE LIQUID STATE AND IN WHICH MASS THE ACTIVE COMPONENTS CONSIST OF: (A) AN OIL-SOLUBLE ORGANIC COMPOUND CONTAINING AT LEAST 12 CARBON ATOMS SELECTED FROM THE CLASS CONSISTING OF SULFONIC AND PHOSPHORUS THIOIC ACIDS AND THE LITHIUM SALTS THEREOF, (B) FROM 0.1 TO 10.0 EQUIVALENTS OF AN ORGANIC COMPOUND SELECTED FROM THE CLASS CONSISTING OF ENOLS, PHENOLS AND ACI-NITRO COMPOUNDS AND THE LITHIUM SALTS OF SAID COMPOUNDS, (C) A BASICALLY REACTING INORGANIC LITHIUM COMPOUND IN AN AMOUNT SUCH THAT THERE IS PRESENT IN THE MASS SUBSTANTIALLY MORE THAN ONE EQUIVALENT OF LITHIUM, INCLUDING THE LITHIUM PRESENT ONE EQUIVALENT OF LITHIUM, INCLUDING THE LITHIUM PRESENT IN THE REMAINING COMPONENTS, PER EQUIVALENT OF (A) PLUS AND EVAPORATING THE WATER FROM THE MASS TO FORM A LITHIUM COMPLEX, AND THEN BUBBLING CARBON DIOXIDE INTO THE MASS TO LIBERATE A SUBSTANTIAL PROPORTION OF THE ORGANIC COMPOUND OF (B) FROM ITS LITHIUM SALT.
Claim 2
Dependent Claim
170 words
A PROCESS WHICH COMPRISES PREPARING AND MIXING A MASS IN WHICH AT 50*C. AT LEAST 50% OF THE TOTAL MASS IS IN THE LIQUID STATE AND IN WHICH MASS THE ACTIVE COMPONENTS CONSIST OF: (A) AN OIL-SOLUBLE ORGANIC COMPOUND CONTAINING AT LEAST 12 CARBON ATOMS SELECTED FROM THE CLASS CONSISTING OF SULFONIC AND PHOSPHORUS THIOIC ACIDS AND THE LITHIUM SALTS THEREOF, (B) FROM 0.1 TO 10.0 EQUIVALENTS OF AN ORGANIC COMPOUND SELECTED FROM THE CLASS CONSISTING OF ENOLS, PHENOLS AND ACI-NITRO COMPOUNDS AND THE LITHIUM SALTS OF SAID COMPOUNDS, (C) A BASICALLY REACTING INORGANIC LITHIUM COMPOUND IN AN AMOUNT SUCH THAT THERE IS PRESENT IN THE MASS SUBSTANTIALLY MORE THAN ONE EQUIVALENT OF LITHIUM, INCLUDING THE LITHIUM PRESENT ONE EQUIVALENT OF LITHIUM, INCLUDING THE LITHIUM PRESENT IN THE REMAINING COMPONENTS, PER EQUIVALENT OF (A) PLUS AND EVAPORATING THE WATER FROM THE MASS TO FORM A LITHIUM COMPLEX, AND THEN BUBBLING CARBON DIOXIDE INTO THE MASS TO LIBERATE A SUBSTANTIAL PROPORTION OF THE ORGANIC COMPOUND OF (B) FROM ITS LITHIUM SALT.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-08-12 | 1961-02-11 | 1961-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-12 | 1965-02-11 | 1965-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-12 | 1969-02-11 | 1969-08-13 | $7700.00 | Window Closed / Lapsed |