Patent US3778371A successfully refreshed from Google Patents.
US3778371A
Expired / Lapsed
US
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Lubricant and fuel compositions
Assignee: Ethyl Corp
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Filing: 1972-05-19
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Granted: 1973-12-11
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Expires: 1992-05-19
Abstract
Abstract HIGH MOLECULAR WEIGHT N-HYDROCARBYL-SUBSTITUTED QUATERNARY AMMONIUM SALTS IN WHICH THE HYDROCARBYL GROUP HAS A MOLECULAR WEIGHT OF FROM ABOUT 350-3000 SUCH AS A POLYBUTENE AMMONIUM CHLORIDE ARE EFFECTIVE DETERGENTS AND DISPERSANTS FOR GASOLINE AND LUBRICATING OILS.
Inventors
- 👤 R Malec
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:26
CPC Classifications
C; C10; C10M; C10M133/00; C10M133/52; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/143; C10L1/22; C10L1/234; C10L1/238; C10L1/2383; C10L1/26; C10L1/2666; C10L1/2683; C10L1/30; C10L1/301; C10L1/303; C10M2203/00; C10M2203/06; C10M2205/00; C10M2205/02; C10M2205/026; C10M2205/028; C10M2205/04; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/027; C10M2207/04; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2207/30; C10M2207/302; C10M2207/34; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/084; C10M2209/10; C10M2209/103; C10M2211/00; C10M2211/02; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2215/06; C10M2215/062; C10M2215/064; C10M2215/065; C10M2215/066; C10M2215/10; C10M2215/16; C10M2215/22; C10M2215/221; C10M2215/225; C10M2215/226; C10M2215/24; C10M2215/26; C10M2215/30; C10M2219/00; C10M2219/04; C10M2219/044; C10M2219/046; C10M2219/10; C10M2219/104; C10M2219/108; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10M2223/043; C10M2223/045; C10M2223/047; C10M2223/06; C10M2223/065; C10M2227/00; C10M2227/02; C10M2227/06; C10M2227/061; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/041; C10M2229/05; C10N; C10N2010/00; C10N2010/04; C10N2030/00; C10N2030/08; C10N2040/00; C10N2040/12; C10N2040/13
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1976-12-10 | 1977-06-11 | 1977-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-10 | 1981-06-11 | 1981-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-10 | 1985-06-11 | 1985-12-11 | $7700.00 | Window Closed / Lapsed |