US3338832A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricating oil containing reaction product of certain acylated nitrogen containing intermediates and a boron compound
Assignee: Lubrizol Corp
•
Filing: 1966-03-28
•
Granted: 1967-08-29
•
Expires: 1986-03-28
Abstract
No abstract record available.
Inventors
- 👤 Suer William M Le
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 04:08
CPC Classifications
C; C10; C10M; C10M133/00; C10M133/52; C10M133/56; C08; C08F; C08F8/00; C08F8/42; C10M2205/00; C10M2205/02; C10M2205/026; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/024; C10M2207/025; C10M2207/026; C10M2207/027; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/122; C10M2207/125; C10M2207/129; C10M2207/28; C10M2207/282; C10M2207/34; C10M2207/40; C10M2207/404; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/084; C10M2209/10; C10M2209/101; C10M2211/00; C10M2211/08; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/24; C10M2215/26; C10M2219/00; C10M2219/02; C10M2219/022; C10M2219/024; C10M2219/04; C10M2219/042; C10M2219/044; C10M2219/046; C10M2219/06; C10M2219/062; C10M2219/066; C10M2219/08; C10M2219/082; C10M2219/084; C10M2219/087; C10M2219/088; C10M2219/089; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10M2223/042; C10M2223/045; C10M2223/047; C10M2223/06; C10M2223/065; C10M2223/12; C10M2225/00; C10M2225/04; C10M2225/041; C10M2227/00; C10M2227/06; C10M2227/061; C10M2227/063; C10M2227/09; C10M2229/00; C10M2229/04; C10M2229/041; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2040/00; C10N2040/02; C10N2040/25; C10N2040/251; C10N2040/255; C10N2040/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
A LUBRICATING COMPOSITION COMPRISING A MAJOR PROPORTION OF A LUBRICATING OIL AND A MINOR PROPORTION OF AN OIL-SOLUBLE, NITROGEN- AND BORON-CONTAINING COMPOSITION PREPARED BY THE PROCESS COMPRISING FORMING AN ACYLATED NITROGEN INTERMEDIATE BY THE REACTION AT A TEMPERATURE BETWEEN ABOUT 80*C. AND 250*C. OF ONE EQUIVALENT OF A SUBSTANTIALLY SATUREATED HYDROCARRBON-SUBSTITUTED SUCCINIC ACID-PRODUCING COMPOUND HAVING AT LEAST ABOUT 50 ALIPHATIC CARBON ATOMS IN THE SUBSTANTIALLY HYDROCARBON SUBSTITUENT WITH AT LEAST ABOUT ONE-HALF EQUIVALENT OF AN AMIDO-COMPOUND HAVING THE FORMULA R-NH-R'' WHEREIN R IS SELECTED FROM THE CLASS CONSISTING OF HYDROGEN AND HYDROCARBON RADICALS AND R'' IS SELECTED FROM THE CLASS CONSISTING OF AMINO, CYANO, CARBAMYL, AND THIOCARBAMYL, AND RADICALS HAVING THE FORMULAS
Claim 2
Dependent Claim
112 words
A LUBRICATING COMPOSITION COMPRISING A MAJOR PROPORTION OF A LUBRICATING OIL AND A MINOR PROPORTION OF AN OIL-SOLUBLE, NITROGEN- AND BORON-CONTAINING COMPOSITION PREPARED BY THE PROCESS COMPRISING FORMING AN ACYLATED NITROGEN INTERMEDIATE BY THE REACTION AT A TEMPERATURE BETWEEN ABOUT 80*C. AND 250*C. OF ONE EQUIVALENT OF A SUBSTANTIALLY SATUREATED HYDROCARRBON-SUBSTITUTED SUCCINIC ACID-PRODUCING COMPOUND HAVING AT LEAST ABOUT 50 ALIPHATIC CARBON ATOMS IN THE SUBSTANTIALLY HYDROCARBON SUBSTITUENT WITH AT LEAST ABOUT ONE-HALF EQUIVALENT OF AN AMIDO-COMPOUND HAVING THE FORMULA R-NH-R'' WHEREIN R IS SELECTED FROM THE CLASS CONSISTING OF HYDROGEN AND HYDROCARBON RADICALS AND R'' IS SELECTED FROM THE CLASS CONSISTING OF AMINO, CYANO, CARBAMYL, AND THIOCARBAMYL, AND RADICALS HAVING THE FORMULAS
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-28 | 1971-02-27 | 1971-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-28 | 1975-02-27 | 1975-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-28 | 1979-02-27 | 1979-08-29 | $7700.00 | Window Closed / Lapsed |