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US2536403A
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Quenching oil compositions
Assignee: Standard Oil Co
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Filing: 1947-10-02
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Granted: 1951-01-02
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Expires: 1967-10-02
Abstract
No abstract record available.
Inventors
- 👤 Joseph S Wallace
- 👤 George W Flint
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 01:35
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2201/00; C10M2201/02; C10M2207/00; C10M2207/40; C10M2207/404; C10M2219/00; C10M2219/04; C10M2219/044; C10M2223/00; C10M2223/12; C10M2225/00; C10M2225/04; C10M2225/041; C10N; C10N2010/00; C10N2010/06; C10N2010/08; C10N2010/12; C10N2010/14; C10N2010/16; C10N2040/00; C10N2040/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A QUENCHING OIL COMPOSITION CONSISTING ESSENTIALLY OF A MAJOR PROPORTION OF AN OIL OF THE GROUP CONSISTING OF AN ANIMAL OIL, A VEGETABLE OIL AND A VISCOUS HYDROCARBON OIL HAVING A MINIMUM FLASH POINT OF ABOUT 300* F., FROM ABOUT 0.1% TO ABOUT 10% OF A PREFERENTIALLY OIL-SOLUBLE ALKALI METAL PETROLEUM SULFONATE, AND FROM ABOUT 0.5% TO ABOUT 5% OF AN ALKALI METAL NEUTRALIZED SULFUR AND PHOSPHORUS-CONTAINING REACTION PRODUCT OF A PHOSPHORUS SULFIDE AND AN OLEFIN HYDROCARBON HAVING A MOLECULAR WEIGHT OF FROM ABOUT 150 TO ABOUT 50,000.
Claim 2
Dependent Claim
88 words
A QUENCHING OIL COMPOSITION CONSISTING ESSENTIALLY OF A MAJOR PROPORTION OF AN OIL OF THE GROUP CONSISTING OF AN ANIMAL OIL, A VEGETABLE OIL AND A VISCOUS HYDROCARBON OIL HAVING A MINIMUM FLASH POINT OF ABOUT 300* F., FROM ABOUT 0.1% TO ABOUT 10% OF A PREFERENTIALLY OIL-SOLUBLE ALKALI METAL PETROLEUM SULFONATE, AND FROM ABOUT 0.5% TO ABOUT 5% OF AN ALKALI METAL NEUTRALIZED SULFUR AND PHOSPHORUS-CONTAINING REACTION PRODUCT OF A PHOSPHORUS SULFIDE AND AN OLEFIN HYDROCARBON HAVING A MOLECULAR WEIGHT OF FROM ABOUT 150 TO ABOUT 50,000.
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) | 1954-01-01 | 1954-07-03 | 1955-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-01 | 1958-07-03 | 1959-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-01 | 1962-07-03 | 1963-01-02 | $7700.00 | Window Closed / Lapsed |