US3259575A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricating compositions containing isatoic anhydride
Assignee: Lubrizol Corp
•
Filing: 1963-11-26
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Granted: 1966-07-05
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Expires: 1983-11-26
Abstract
No abstract record available.
Inventors
- 👤 Clark O Miller
- 👤 Suer William M Le
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:07
CPC Classifications
C; C10; C10M; C10M163/00; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/025; C10M2207/027; C10M2207/028; C10M2209/00; C10M2209/10; C10M2209/101; C10M2215/00; C10M2215/08; C10M2215/082; C10M2215/24; C10M2215/28; C10M2219/00; C10M2219/02; C10M2219/022; C10M2219/024; C10M2219/04; C10M2219/044; C10M2219/046; C10M2219/06; C10M2219/062; C10M2219/066; C10M2219/068; C10M2219/08; C10M2219/082; C10M2219/086; C10M2219/087; C10M2219/089; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/042; C10M2223/045; C10M2223/12; C10M2225/00; C10M2225/04; C10M2225/041; C10N; C10N2010/00; C10N2010/04; C10N2040/00; C10N2040/25; C10N2040/255; C10N2040/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
A LUBRICATING COMPOSITION COMPRISING A MAJOR PROPORTION OF LUBIRCATING OIL, FROM ABOUT 0.1% TO ABOUT 20% OF AN OIL-SOLUBLE ALKALINE EARTH METAL SALT OF AN ACIDIC COMPOSITION SELECTED FROM THE CLASS CONSISTING OF SULFONIC ACIDS AND PHOSPHORUS ACIDS DERIVED FROM THE REACTION OF AN ALIPHATIC HYDROCARBON WITH AN INORGANIC PHOSPHORUS REAGENT, AND A SMALL AMOUNT, SUFFICIENT TO INCREASE THE RESISTANCE TO DETERIORATION OF SAID LUBRICATING COMPOSITION, OF ISATOIC ANHYDRIDE.
Claim 2
Dependent Claim
69 words
A LUBRICATING COMPOSITION COMPRISING A MAJOR PROPORTION OF LUBIRCATING OIL, FROM ABOUT 0.1% TO ABOUT 20% OF AN OIL-SOLUBLE ALKALINE EARTH METAL SALT OF AN ACIDIC COMPOSITION SELECTED FROM THE CLASS CONSISTING OF SULFONIC ACIDS AND PHOSPHORUS ACIDS DERIVED FROM THE REACTION OF AN ALIPHATIC HYDROCARBON WITH AN INORGANIC PHOSPHORUS REAGENT, AND A SMALL AMOUNT, SUFFICIENT TO INCREASE THE RESISTANCE TO DETERIORATION OF SAID LUBRICATING COMPOSITION, OF ISATOIC ANHYDRIDE.
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) | 1969-07-04 | 1970-01-03 | 1970-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-04 | 1974-01-03 | 1974-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-04 | 1978-01-03 | 1978-07-05 | $7700.00 | Window Closed / Lapsed |