Patent US3272746A successfully refreshed from Google Patents.
US3272746A
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Lubricating composition containing an acylated nitrogen compound
Assignee: Lubrizol Corp
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Filing: 1965-11-22
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Granted: 1966-09-13
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Expires: 1985-11-22
Abstract
No abstract record available.
Inventors
- 👤 Suer William M Le
- 👤 George R Norman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:39
CPC Classifications
C; C07; C07D; C07D207/00; C07D207/02; C07D207/30; C07D207/34; C07D207/36; C07D207/40; C07D207/404; C07D207/408; C07D207/412; C10; C10M; C10M133/00; C10M133/52; C10M133/56; C10M2205/00; C10M2205/02; C10M2205/026; C10M2207/00; C10M2207/40; C10M2207/404; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/084; C10M2211/00; C10M2211/08; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/08; C10M2215/082; C10M2215/086; C10M2215/10; C10M2215/102; C10M2215/24; C10M2215/26; C10M2215/28; C10M2217/00; C10M2217/02; C10M2217/022; C10M2217/023; C10M2217/04; C10M2217/044; C10M2217/045; C10M2217/046; 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; C10M2221/00; C10M2221/02; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/042; C10M2223/045; C10M2223/12; C10M2225/00; C10M2225/04; C10M2225/041; C10M2229/00; C10M2229/04; C10M2229/041; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2040/00; C10N2040/25; C10N2040/251; C10N2040/255; C10N2040/28
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
81 words
A COMPOSITION COMPRISING A MAJOR PROPORTION OF A LUBRICATING OIL AND A MINOR PROPORTION SUFFICIENT TO IMPART DETERGENCY THERETO OF AN OIL-SOLUBLE ACYLATED NITROGEN COMPOUND CHARACTERIZED BY THE PRESENCE WITHIN ITS STRUCTURE OF (A) A SUBSTANTIALLY STURATED HYDROCARBONSUBSTITUTED POLAR GROUP SELECTED FROM THE CLASS CONSISTING OF ACYL, ACYLIMIDOYL, AND ACYLOXY RADICALS WHEREIN THE SUBSTANTIALLY STURATED HYDROCARBON STBSTITUENT CONTAINS AT LEAST ABOUT 50 ALIPHATIC CARBON ATOMS AND (B) A NITRO-CONTTAINING GROUP CAHRACTERIZED BY A NITROGEN ATOM ATTACHED DIRECTLY TO SAID POLAR RADICAL.
Claim 2
Dependent Claim
81 words
A COMPOSITION COMPRISING A MAJOR PROPORTION OF A LUBRICATING OIL AND A MINOR PROPORTION SUFFICIENT TO IMPART DETERGENCY THERETO OF AN OIL-SOLUBLE ACYLATED NITROGEN COMPOUND CHARACTERIZED BY THE PRESENCE WITHIN ITS STRUCTURE OF (A) A SUBSTANTIALLY STURATED HYDROCARBONSUBSTITUTED POLAR GROUP SELECTED FROM THE CLASS CONSISTING OF ACYL, ACYLIMIDOYL, AND ACYLOXY RADICALS WHEREIN THE SUBSTANTIALLY STURATED HYDROCARBON STBSTITUENT CONTAINS AT LEAST ABOUT 50 ALIPHATIC CARBON ATOMS AND (B) A NITRO-CONTTAINING GROUP CAHRACTERIZED BY A NITROGEN ATOM ATTACHED DIRECTLY TO SAID POLAR RADICAL.
Claim 3
Dependent Claim
12 words
THE COMPOSITION OF CLAIM 1 WHEREIN THE NITROGENCONTAINING GROUP HAS THE FORMULA
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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) | 1969-09-12 | 1970-03-14 | 1970-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-12 | 1974-03-14 | 1974-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-12 | 1978-03-14 | 1978-09-13 | $7700.00 | Window Closed / Lapsed |