US3256185A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricant containing acylated aminecarbon disulfide product
Assignee: Lubrizol Corp
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Filing: 1964-11-02
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Granted: 1966-06-14
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Expires: 1984-11-02
Abstract
No abstract record available.
Inventors
- 👤 Suer William M Le
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 09:44
CPC Classifications
C; C10; C10M; C10M133/00; C10M133/52; C10M133/56; C08; C08F; C08F8/00; C08F8/34; C08F8/44; B; B65; B65D; B65D2571/00; B65D2571/00006; B65D2571/00061; B65D2571/00111; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/022; C10M2207/023; C10M2207/024; C10M2207/025; C10M2207/027; C10M2207/04; C10M2207/046; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2207/16; C10M2211/00; C10M2211/02; C10M2211/022; C10M2211/06; C10M2211/08; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/064; C10M2215/065; C10M2215/066; C10M2215/10; C10M2217/00; C10M2217/02; C10M2217/022; C10M2217/023; C10M2217/028; C10M2217/06; C10M2219/00; C10M2219/02; C10M2219/022; C10M2219/024; C10M2219/04; C10M2219/044; C10M2219/046; C10M2219/06; C10M2219/062; C10M2219/064; C10M2219/066; C10M2219/068; C10M2219/08; C10M2219/082; C10M2219/083; C10M2219/087; C10M2219/088; C10M2219/089; C10M2219/10; C10M2219/104; C10M2219/108; C10M2221/00; C10M2221/02; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10M2223/042; C10M2223/045; C10M2223/06; C10M2223/065; C10M2223/12; C10M2225/00; C10M2225/04; C10M2225/041; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/041; C10M2229/05; C10N; C10N2010/00; C10N2010/04; C10N2010/14; C10N2040/00; C10N2040/02; C10N2040/04; C10N2040/042; C10N2040/044; C10N2040/046; C10N2040/20; C10N2040/22; C10N2040/25; C10N2040/251; C10N2040/252; C10N2040/253; C10N2040/255; C10N2040/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
A LUBRICATING COMPOSITION COMPRISING A MAJOR PROPORTION OF A MINERAL LUBRICATING OIL AND A MINOR PROPORTION OF EACH OF SULFUR- AND NITROGEN-CONTAINING COMPOSITION PREPARED BY TGHE PROCESS WHICH COMPRISES REACTING, AT A TEMPERATURE ABOUT ABOUT 80*C., 1.0 MOLE OF AN ALKYLENE AMINE HAVING UP TO ABOUT 8 CARBON ATOMS IN THE ALKYLENE RADICAL WITH AT LEAST ABOUT 0.5 EQUIVALENT OF CARBON DISULFIDE AND AT LEAST ABOUT 1 EQUIVALENT OF A HYDROCARBON-SUBSTITUTED ALIPHATIC DICARBOXYLIC ACID COMPOUND SELECTED FROM THE CLASS CONSISTING OF ACID OR ANHYDRIDE HAVING AT LEAST ABOUT 12 ALIPHATIC CARBON ATOMS IN THE HYDROCARBON RADICAL, AND REMOVING THE WATER FORMED BY THE REACTION; AND AN OIL SOLUBLE DETERGENT SELECTED FROM THE CLASS CONSISTING OF ALKALINE EARTH METAL SALTS OF A PHOSPHOSULFURIZED HYDROCARBON, ALKALINE EARTH METAL SALTS OF A FATTY ACID, AND ALKALINE EARTH METAL SULFONATES.
Claim 2
Dependent Claim
136 words
A LUBRICATING COMPOSITION COMPRISING A MAJOR PROPORTION OF A MINERAL LUBRICATING OIL AND A MINOR PROPORTION OF EACH OF SULFUR- AND NITROGEN-CONTAINING COMPOSITION PREPARED BY TGHE PROCESS WHICH COMPRISES REACTING, AT A TEMPERATURE ABOUT ABOUT 80*C., 1.0 MOLE OF AN ALKYLENE AMINE HAVING UP TO ABOUT 8 CARBON ATOMS IN THE ALKYLENE RADICAL WITH AT LEAST ABOUT 0.5 EQUIVALENT OF CARBON DISULFIDE AND AT LEAST ABOUT 1 EQUIVALENT OF A HYDROCARBON-SUBSTITUTED ALIPHATIC DICARBOXYLIC ACID COMPOUND SELECTED FROM THE CLASS CONSISTING OF ACID OR ANHYDRIDE HAVING AT LEAST ABOUT 12 ALIPHATIC CARBON ATOMS IN THE HYDROCARBON RADICAL, AND REMOVING THE WATER FORMED BY THE REACTION; AND AN OIL SOLUBLE DETERGENT SELECTED FROM THE CLASS CONSISTING OF ALKALINE EARTH METAL SALTS OF A PHOSPHOSULFURIZED HYDROCARBON, ALKALINE EARTH METAL SALTS OF A FATTY ACID, AND ALKALINE EARTH METAL SULFONATES.
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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) | 1969-06-13 | 1969-12-13 | 1970-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-13 | 1973-12-13 | 1974-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-13 | 1977-12-13 | 1978-06-14 | $7700.00 | Window Closed / Lapsed |