US3846317A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricant compositions containing phosphoramidate derivatives
Assignee: Shell USA Inc
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Filing: 1972-05-09
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Granted: 1974-11-05
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Expires: 1992-05-09
Abstract
Abstract 1. A LUBRICANT COMPOSITION CONSISTING OF ESSENTIALLY OF A MAJOR AMOUNT OF LUBRICATING OIL AND A MINOR AMOUNT, FROM 0.01% TO ABOUT 3% BY WEIGHT, OF A COMPOUND HAVING THE FORMULA 2-(2-(Y=),5-R1,5-R2-1,3,2-DIOXAPHOSPHORINAN-2-YL-),3- (H2N-),5-R3-1,2,4-TRIAZOLINE WHEREIN R1 AND R2 ARE EACH SELECTED FROM THE GROUP CONSISTING OF HYDROGEN AND C1-20 ALKYL GROUPS, R3 IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN, ALKYL, ARYL AND ALKARYL, SAID (HYDROCARBYL) ALKYL, ARYL AND ALKARYL GROUPS HAVING FROM 1 TO 12 CARBON ATOMS, AND Y IS SELECTED FROM THE GROUP CONSISTING OF OXYGEN AND SULFUR.
Inventors
- 👤 V Lintzenich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:10
CPC Classifications
C; C10; C10M; C10M3/00; C07; C07F; C07F9/00; C07F9/02; C07F9/547; C07F9/6564; C07F9/6571; C07F9/657109; C07F9/657118; C07F9/657154; C07F9/6574; C07F9/65742; C10M137/00; C10M2205/00; C10M2205/02; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/024; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2207/34; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/084; C10M2209/10; C10M2209/103; C10M2209/105; C10M2209/108; C10M2209/109; C10M2211/00; C10M2211/02; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/064; C10M2215/065; C10M2215/086; C10M2215/24; C10M2215/28; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/042; C10M2223/043; C10M2223/045; C10M2223/047; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/041; C10M2229/042; C10M2229/043; C10M2229/044; C10M2229/05; C10M2229/051; C10N; C10N2010/00; C10N2010/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
30 words
A LUBRICANT COMPOSITION CONSISTING OF ESSENTIALLY OF A MAJOR AMOUNT OF LUBRICATING OIL AND A MINOR AMOUNT, FROM 0.01% TO ABOUT 3% BY WEIGHT, OF A COMPOUND HAVING THE FORMULA
Claim 2
Dependent Claim
30 words
A LUBRICANT COMPOSITION CONSISTING OF ESSENTIALLY OF A MAJOR AMOUNT OF LUBRICATING OIL AND A MINOR AMOUNT, FROM 0.01% TO ABOUT 3% BY WEIGHT, OF A COMPOUND HAVING THE FORMULA
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-11-04 | 1978-05-06 | 1978-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-11-04 | 1982-05-06 | 1982-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-11-04 | 1986-05-06 | 1986-11-05 | $7700.00 | Window Closed / Lapsed |