US3146201A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricant composition
Assignee: Lubrizol Corp
•
Filing: 1960-07-22
•
Granted: 1964-08-25
•
Expires: 1980-07-22
Abstract
No abstract record available.
Inventors
- 👤 Thomas A Butler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:12
CPC Classifications
C; C10; C10M; C10M159/00; C10M159/12; C10M159/20; C10M2205/00; C10M2205/02; C10M2205/026; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/025; C10M2207/027; C10M2207/028; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/123; C10M2207/129; C10M2207/22; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/084; C10M2209/10; C10M2209/101; C10M2215/00; C10M2215/02; C10M2215/06; 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; C10M2221/00; C10M2221/02; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10M2223/042; C10M2223/045; C10M2223/06; C10M2223/061; C10M2223/12; C10M2225/00; C10M2225/02; C10M2225/04; C10M2225/041; C10M2229/00; C10M2229/04; C10M2229/041; C10N; C10N2010/00; C10N2010/04; C10N2040/00; C10N2040/25; C10N2040/255; C10N2040/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
A LUBRICATING COMPOSITION COMPRISING A MAJOR PROPORTION OF A MINERAL LUBRICATING OIL, FROM ABOUT 0.1% TO ABOUT 10% OF AN OIL-SOLUBLE CALCIUM SALT OF A SULFONIC ACID SELECTED FROM THE CLASS CONSISTING OF PETROLEUM SULFONIC ACIDS AND ALKARYL SULFONIC ACIDS; FROM ABOUT 0.1% TO ABOUT 10% OF AN OIL-SOLUBLE BARIUM SALT OF AN ACID SELECTED FROM THE CLASS CONSISTING OF PETROLEUM SULFONIC ACIDS, ALKARYL SULFONIC ACIDS, AND PHOSPHORUS ACIDS OBTAINED BY REACTING A POLYMER SELECTED FROM THE CLASS CONSISTING OF ISOBUTENE POLYMERS AND CHLORINATED ISOBUTENE POLYMERS HAVING A MOLECULAR WEIGHT FROM ABOUT 200 TO 100,000 WITH A PHOSPHORUS REAGENT SELECTED FROM THE CLASS CONSISTING OF PHOSPHORUS TRICHLORIDE AND PHOSPHORUS PENTASULFIDE; AND A SMALL AMOUNT, SUFFICIENT TO INCREASE THE RESISTANCE TO DETERIORATION OF SAID LUBRICATING COMPOSITIONS DUE TO THE PRESENCE THEREIN OF SAID CALCIUM AND BARIUM SALTS, OF ANTHRANILIC ACID.
Claim 2
Dependent Claim
139 words
A LUBRICATING COMPOSITION COMPRISING A MAJOR PROPORTION OF A MINERAL LUBRICATING OIL, FROM ABOUT 0.1% TO ABOUT 10% OF AN OIL-SOLUBLE CALCIUM SALT OF A SULFONIC ACID SELECTED FROM THE CLASS CONSISTING OF PETROLEUM SULFONIC ACIDS AND ALKARYL SULFONIC ACIDS; FROM ABOUT 0.1% TO ABOUT 10% OF AN OIL-SOLUBLE BARIUM SALT OF AN ACID SELECTED FROM THE CLASS CONSISTING OF PETROLEUM SULFONIC ACIDS, ALKARYL SULFONIC ACIDS, AND PHOSPHORUS ACIDS OBTAINED BY REACTING A POLYMER SELECTED FROM THE CLASS CONSISTING OF ISOBUTENE POLYMERS AND CHLORINATED ISOBUTENE POLYMERS HAVING A MOLECULAR WEIGHT FROM ABOUT 200 TO 100,000 WITH A PHOSPHORUS REAGENT SELECTED FROM THE CLASS CONSISTING OF PHOSPHORUS TRICHLORIDE AND PHOSPHORUS PENTASULFIDE; AND A SMALL AMOUNT, SUFFICIENT TO INCREASE THE RESISTANCE TO DETERIORATION OF SAID LUBRICATING COMPOSITIONS DUE TO THE PRESENCE THEREIN OF SAID CALCIUM AND BARIUM SALTS, OF ANTHRANILIC ACID.
References Cited (Backward Citations)
US1975755A
Cited
US2151300A
Cited
US2369090A
Cited
US2390943A
Cited
US2629693A
Cited
US2736701A
Cited
US2723234A
Cited
US2844535A
Cited
US2849398A
Cited
US2815370A
Cited
US2846466A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-25 | 1968-02-24 | 1968-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-25 | 1972-02-24 | 1972-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-25 | 1976-02-24 | 1976-08-25 | $7700.00 | Window Closed / Lapsed |