US2534217A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricant comprising reaction product of an olefin, a phosphorus sulfide, and water
Assignee: Standard Oil Co
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Filing: 1948-04-06
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Granted: 1950-12-19
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Expires: 1968-04-06
Abstract
No abstract record available.
Inventors
- 👤 John D Bartleson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:25
CPC Classifications
C; C10; C10M; C10M159/00; C10M159/12; C10M159/123; C07; C07F; C07F9/00; C07F9/02; C07F9/04; C10M159/126; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/04; C10M2223/00; C10M2223/08; C10M2223/10; C10M2223/12; C10M2225/00; C10M2225/04; C10M2225/041; C10M2227/00; C10M2227/02; C10M2229/00; C10M2229/04; C10M2229/041; C10N; C10N2010/00; C10N2010/06; C10N2010/10; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
77 words
THE REACTION PRODUCT OF NOE MOL OF AN OLEFIN, 0.2 TO 2.0 MOLS OF A PHOSPHORUS SULFIDE, AND 0.5 TO 3 MOLS OF WATER PER MOL OF THE PHOSPHORUS SULFIDE, THE WATER BEING MIXED AND REACTED WITH THE PHOSPHORUS SULFIDE AT LEAST AS SOON AS THE OLEFIN IS MIXED AND REACTED THEREWITH, THE REACTION TEMPERATURE BEING IN THE RANGE OF 200* TO 500*F., TO PRODUCE AN OIL DISPERSIBLE REACTION PRODUCT SUITABLE FOR ADDITION TO A LUBRICATING OIL.
Claim 2
Dependent Claim
77 words
THE REACTION PRODUCT OF NOE MOL OF AN OLEFIN, 0.2 TO 2.0 MOLS OF A PHOSPHORUS SULFIDE, AND 0.5 TO 3 MOLS OF WATER PER MOL OF THE PHOSPHORUS SULFIDE, THE WATER BEING MIXED AND REACTED WITH THE PHOSPHORUS SULFIDE AT LEAST AS SOON AS THE OLEFIN IS MIXED AND REACTED THEREWITH, THE REACTION TEMPERATURE BEING IN THE RANGE OF 200* TO 500*F., TO PRODUCE AN OIL DISPERSIBLE REACTION PRODUCT SUITABLE FOR ADDITION TO A LUBRICATING OIL.
Claim 3
Dependent Claim
87 words
A MINERAL LUBRICATING OIL COMPOSITION CONTAINING 0.5 TO 50% OF THE REACTION PRODUCT OF ONE MOL OF AN OLEFIN. 0.2 TO 2.0 MOLS OF A PHOSPHORUS SULFIDE,A ND 0.5 TO 3 MOLS OF WATER PER MOL OF THE PHOSPHORUS SULFIDE, THE WATER BEING MIXED AND REACTED WITH THE PHOSPHORUS SULFIDE AT LEAST AS SOON AS THE OLEFIN IS MIXED AND REACTED THEREWITH THE REACTION TEMPERATURE BEING IN THE RANGE OF 200* TO 500*F., TO PRODUCE AN OIL DISPERSIBLE REACTION PRODUCT SUITABLE FOR ADDITION TO A LUBRICATING OIL.
Claim 4
Dependent Claim
87 words
A MINERAL LUBRICATING OIL COMPOSITION CONTAINING 0.5 TO 50% OF THE REACTION PRODUCT OF ONE MOL OF AN OLEFIN. 0.2 TO 2.0 MOLS OF A PHOSPHORUS SULFIDE,A ND 0.5 TO 3 MOLS OF WATER PER MOL OF THE PHOSPHORUS SULFIDE, THE WATER BEING MIXED AND REACTED WITH THE PHOSPHORUS SULFIDE AT LEAST AS SOON AS THE OLEFIN IS MIXED AND REACTED THEREWITH THE REACTION TEMPERATURE BEING IN THE RANGE OF 200* TO 500*F., TO PRODUCE AN OIL DISPERSIBLE REACTION PRODUCT SUITABLE FOR ADDITION TO A LUBRICATING OIL.
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) | 1953-12-18 | 1954-06-19 | 1954-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-18 | 1958-06-19 | 1958-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-18 | 1962-06-19 | 1962-12-19 | $7700.00 | Window Closed / Lapsed |