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US2802816A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of making organic lithium compounds

Assignee: Lubrizol Corp
•
Filing: 1953-11-02
•
Granted: 1957-08-13
•
Expires: 1973-11-02
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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)

USRE22464E Cited
US2316091A Cited
US2442915A Cited
US2424402A Cited
US2489249A Cited
US2616924A Cited

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

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