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Patent US2659696A successfully refreshed from Google Patents.
US2659696A
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Lubricating oil containing a metal salt of a condensation product of an alkyl substituted phenol and an olefin oxide
Assignee: Union Oil Company of California
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Filing: 1950-07-17
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Granted: 1953-11-17
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Expires: 1970-07-17
Abstract
No abstract record available.
Inventors
- 👤 Loren L Neff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:46
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2209/00; C10M2209/10; C10M2209/101; C10M2219/00; C10M2219/04; C10M2219/044; C10M2219/046; C10N; C10N2010/00; C10N2010/04; C10N2010/06; C10N2010/08; C10N2010/12; C10N2010/14; C10N2010/16; C10N2040/00; C10N2040/25; C10N2040/252; C10N2040/253; C10N2070/00; C10N2070/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
A MINERAL LUBRICATING OIL CONTAINING BETWEEN ABOUT 0.05% AND ABOUT 20% BY WEIGHT OF AN OIL-SOLUBLE METAL SALT OF THE ACIDIC REACTION PRODUCT OBTAINED BY CONDENSING, IN THE PRESENCE OF AN ACID CONDENSATION CATALYST, AT A TEMPERATURE BETWEEN ABOUT -20* C. AND ABOUT 200* C., BETWEEN 0.5 AND 3 MOLS OF A HYDROCARBON SUBSTITUTED PHENOL IN WHICH THE HYDROCARBON SUBSTITUENT CONTAINS BETWEEN ABOUT 4 AND ABOUT 30 CARBON ATOMS WITH 1 MOL OF A LOW MOLECULAR WEIGHT OLEFIN OXIDE CONTAINING BETWEEN 2 AND ABOUT 8 CARBON ATOMS PER MOLECULE.
Claim 2
Dependent Claim
89 words
A MINERAL LUBRICATING OIL CONTAINING BETWEEN ABOUT 0.05% AND ABOUT 20% BY WEIGHT OF AN OIL-SOLUBLE METAL SALT OF THE ACIDIC REACTION PRODUCT OBTAINED BY CONDENSING, IN THE PRESENCE OF AN ACID CONDENSATION CATALYST, AT A TEMPERATURE BETWEEN ABOUT -20* C. AND ABOUT 200* C., BETWEEN 0.5 AND 3 MOLS OF A HYDROCARBON SUBSTITUTED PHENOL IN WHICH THE HYDROCARBON SUBSTITUENT CONTAINS BETWEEN ABOUT 4 AND ABOUT 30 CARBON ATOMS WITH 1 MOL OF A LOW MOLECULAR WEIGHT OLEFIN OXIDE CONTAINING BETWEEN 2 AND ABOUT 8 CARBON ATOMS PER MOLECULE.
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) | 1956-11-16 | 1957-05-18 | 1957-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-16 | 1961-05-18 | 1961-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-16 | 1965-05-18 | 1965-11-17 | $7700.00 | Window Closed / Lapsed |