US2542981A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Unsaturated tertiary amine-p2s5 reaction products and lubricating oils containing sam
Assignee: Standard Oil Co
•
Filing: 1946-07-03
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Granted: 1951-02-27
•
Expires: 1966-07-03
Abstract
No abstract record available.
Inventors
- 👤 John D Bartleson
- 👤 Everett C Hughes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:37
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C10; C10M; C10M1/00; C10M1/08; C10M2207/00; C10M2207/04; C10M2223/00; C10M2223/12; C10M2227/00; C10M2227/02; C10M2227/09; C10M2229/00; C10M2229/04; C10M2229/041; C10N; C10N2010/00; C10N2010/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
THE REACTION PRODUCT OF AN UNSATURATED TERTIARY AMINE CONTAINING AN ALIPHATIC RADICAL HAVING FROM 10 TO 18 CARBON ATOMS AND AT LEAST ONE OLEFINCI DOUBLE BOND AND PHOSPHORUS PENATSULFIDE REACTED IN PROPORTIONS WITHIN THE RANGE OF 0.1 TO 1.0 MOL OF THE SULFIDE PER OLEFINIC DOUBLE BOND PER MOL OF THE AMINE AND AT A TEMPERAUTRE WITHIN THE RANGE OF 250 TO 600* F. FOR A TIME TO SUBSTANTIALLY COMPLETE THE REACTION TO PRODUCE AN OIL-DISPERSIBLE REACTION TO PRODUCE AN TION TO A LUBRICATING OIL TO INHIBIT THE DETERIORATION THEREOF IN USE.
Claim 2
Dependent Claim
114 words
A LUBRICANT COMPRISING A MINERAL LUBRICATING OIL AND AN AMOUNT WITHIN THE RANGE OF 0.01% TO 10% BY WEIGHT TO INHIBIT THE DETERIORATION OF THE OIL IN USE OF A DERIVATIVE OF A REACTION PRODUCT OF AN OIL-SOLUBLE UNSATURATED TERTIARY AMINE AND A PHOSPHORUS SULFIDE REACTED IN PROPORTIONS WITHIN THE RANGE OF 0.1 TO 1.0 MOL OF THE SULFIDE PER OLEFINIC DOUBLE BOND PER MOL OF THE AMINE AND AT A TEMPERATURE WITHIN THE RANGE OF 250 TO 600* C. FOR A TIME TO SUBSTANTIALLY COMPLETE THE REACTION TO PRODUCE A DETERIORATION INHIBITING OIL-DISPERSIBLE REACTION PRODUCT, SAID DERIVATIVE BEING SELECTED FROM THE GROUP CONSISTING OF A METAL DERIVATIVE AND A NITROGEN BASE DERIVATIVE THEREOF.
References Cited (Backward Citations)
US2403474A
Cited
US2403894A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-26 | 1954-08-28 | 1955-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-26 | 1958-08-28 | 1959-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-26 | 1962-08-28 | 1963-02-27 | $7700.00 | Window Closed / Lapsed |