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US3133022A Expired / Lapsed US ⏱️ 0.0 years remaining

Lubricant additive and composition containing same

Assignee: Standard Oil Co
•
Filing: 1958-09-04
•
Granted: 1964-05-12
•
Expires: 1978-09-04
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Abstract

No abstract record available.

Inventors

  • 👤 Albert R Sabol
  • 👤 Eli W Blaha
  • 👤 John R Plant

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 01:20
CPC Classifications
C; C10; C10M; C10M159/00; C10M159/12; C10M159/123; C10M159/126; C07; C07F; C07F9/00; C07F9/02; C07F9/04; C08; C08F; C08F8/00; C08F8/12; C08F8/44; C10M2205/00; C10M2205/02; C10M2207/00; C10M2207/28; C10M2207/282; C10M2207/34; C10M2209/00; C10M2209/10; C10M2209/103; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/045; C10M2223/12; C10M2225/00; C10M2225/04; C10M2225/041; C10N; C10N2010/00; C10N2010/04; C10N2040/00; C10N2040/25; C10N2040/252; C10N2040/253; C10N2070/00; C10N2070/02

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 165 words
AS A NEW COMPOSITION OF MATTER, AN OIL-SOLUBLE NEUTRALIZED COMPLEX PREPARED BY THE PROCESS COMPRISING REACTING A HIGH BOILING HYDROCARBON WITH FROM ABOUT 1% TO ABOUT 50% OF A PHOSPHORUS SULFIDE AT A TEMPERATURE OF FROM ABOUT 150*F. TO ABOUT 600*F., HYDROLYZING THE RESULTANT PHOSPHORUS SULFIDE-HYDROCARBON REACTION PRODUCT AT A TEMPERATURE IN THE RANGE OF 200*F. TO 500*F., AND NEUTRALIZING THE HYDROLYZED PRODUCT WITH A BASIC ALKALINE EARTH COMPOUND AT A TEMPERATURE IN THE RANGE OF 155*F. TO 350*F. IN MIXTURE WITH WATER, FROM ABOUT 3 TO 10 MOLES (PER MOLE OF ALKALINE EARTH COMPOUND) OF A WATER-SOLUBLE MONOHYDROXY COMPOUND SELECTED FROM THE GROUPS CONSISTING OF AN ALKANOL OF FROM 1 TO ABOUT 3 CARBON ATOMS AND MIXTURES OF AN ALKANOL OF FROM 1 TO ABOUT 3 CARBON ATOMS AND A PHENOL SELECTED FROM PHENOL AND AN ALKYLATED PHENOL HAVING FROM ABOUT 5 TO ABOUT 12 ALKYL CARBON ATOMS, AND FROM ABOUT 0.1 TO ABOUT 4.0 MOLES OF A DIALKYLDITHIOPHOSPHORUS COMPOUND HAVING THE GENERAL FORMULA:
Claim 2
Dependent Claim 165 words
AS A NEW COMPOSITION OF MATTER, AN OIL-SOLUBLE NEUTRALIZED COMPLEX PREPARED BY THE PROCESS COMPRISING REACTING A HIGH BOILING HYDROCARBON WITH FROM ABOUT 1% TO ABOUT 50% OF A PHOSPHORUS SULFIDE AT A TEMPERATURE OF FROM ABOUT 150*F. TO ABOUT 600*F., HYDROLYZING THE RESULTANT PHOSPHORUS SULFIDE-HYDROCARBON REACTION PRODUCT AT A TEMPERATURE IN THE RANGE OF 200*F. TO 500*F., AND NEUTRALIZING THE HYDROLYZED PRODUCT WITH A BASIC ALKALINE EARTH COMPOUND AT A TEMPERATURE IN THE RANGE OF 155*F. TO 350*F. IN MIXTURE WITH WATER, FROM ABOUT 3 TO 10 MOLES (PER MOLE OF ALKALINE EARTH COMPOUND) OF A WATER-SOLUBLE MONOHYDROXY COMPOUND SELECTED FROM THE GROUPS CONSISTING OF AN ALKANOL OF FROM 1 TO ABOUT 3 CARBON ATOMS AND MIXTURES OF AN ALKANOL OF FROM 1 TO ABOUT 3 CARBON ATOMS AND A PHENOL SELECTED FROM PHENOL AND AN ALKYLATED PHENOL HAVING FROM ABOUT 5 TO ABOUT 12 ALKYL CARBON ATOMS, AND FROM ABOUT 0.1 TO ABOUT 4.0 MOLES OF A DIALKYLDITHIOPHOSPHORUS COMPOUND HAVING THE GENERAL FORMULA:

References Cited (Backward Citations)

US2688612A Cited
US2799653A Cited
US2806022A Cited
US2900376A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-05-12 1967-11-11 1968-05-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-05-12 1971-11-11 1972-05-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-05-12 1975-11-11 1976-05-12 $7700.00 Window Closed / Lapsed

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