Patent US2675901A successfully refreshed from Google Patents.
Patent US3133022A successfully refreshed from Google Patents.
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
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 03:03
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)
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 |