Patent US3146201A successfully refreshed from Google Patents.
US3146201A
Expired / Lapsed
US
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Lubricant composition
Assignee: Lubrizol Corp
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Filing: 1960-07-22
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Granted: 1964-08-25
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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 03:57
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.
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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) | 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 |