Patent US2057205A successfully refreshed from Google Patents.
Patent US2790768A successfully refreshed from Google Patents.
US2790768A
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Lubricant composition
Assignee: Texaco Inc
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Filing: 1954-11-10
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Granted: 1957-04-30
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Expires: 1974-11-10
Abstract
No abstract record available.
Inventors
- 👤 Frederic C Mccoy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:39
CPC Classifications
C; C10; C10M; C10M161/00; C10M2219/00; C10M2219/04; C10M2219/044; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/045; C10M2229/00; C10M2229/04; C10M2229/041; C10N; C10N2010/00; C10N2010/04; C10N2020/00; C10N2020/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
A COMPOSITION OF MATTER CONSISTING ESSENTIALLY OF A MINERAL LUBRICATING OIL, 4 TO 4.5% BY WEIGHT BASED ON SAID OIL OF A MIXTURE OF AN ALKALINE EARTH METAL MAHOGANY SULFONATE AND A DITHIOPHOSPHATE SELECTED FROM THE GROUP CONSISTING OF ZINC AND BARIUM HEXYL AND METHYL CYCLOHEXYL DITHIOPHOSPHATES, SAID MIXTURE ACTING TO LOWER THE FLASH POINT OF SAID MINERAL LUBRICATING OIL ALONE BY AT LEAST 15*F., AND AN AMOUNT UP TO 2.5P.P.M. OF A LIQUID DIMETHYL SILICONE POLYMER EFFECTIVE TO RAISE THE FLASH POINT OF SAID MINERAL LUBRICATING OIL CONTAINING SAID MIXTURE BY AT LEAST 15*F.
Claim 2
Dependent Claim
95 words
A COMPOSITION OF MATTER CONSISTING ESSENTIALLY OF A MINERAL LUBRICATING OIL, 4 TO 4.5% BY WEIGHT BASED ON SAID OIL OF A MIXTURE OF AN ALKALINE EARTH METAL MAHOGANY SULFONATE AND A DITHIOPHOSPHATE SELECTED FROM THE GROUP CONSISTING OF ZINC AND BARIUM HEXYL AND METHYL CYCLOHEXYL DITHIOPHOSPHATES, SAID MIXTURE ACTING TO LOWER THE FLASH POINT OF SAID MINERAL LUBRICATING OIL ALONE BY AT LEAST 15*F., AND AN AMOUNT UP TO 2.5P.P.M. OF A LIQUID DIMETHYL SILICONE POLYMER EFFECTIVE TO RAISE THE FLASH POINT OF SAID MINERAL LUBRICATING OIL CONTAINING SAID MIXTURE BY AT LEAST 15*F.
References Cited (Backward Citations)
US2375007A
Cited
US2469003A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-04-29 | 1960-10-29 | 1961-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-29 | 1964-10-29 | 1965-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-29 | 1968-10-29 | 1969-04-30 | $7700.00 | Window Closed / Lapsed |