US2542982A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Unsaturated amine-sulfur reaction products as lubricant additives and lubricating oils containing same
Assignee: Standard Oil Co
•
Filing: 1946-07-03
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Granted: 1951-02-27
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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
2026-11-06 15:00
CPC Classifications
C; C10; C10M; C10M135/00; C10M135/02; C10M2219/00; C10M2219/02; C10N; C10N2030/00; C10N2030/08; C10N2030/12; C10N2040/00; C10N2040/12; C10N2040/13; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
100 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 AN OIL DISPERSIBLE REACTION PRODUCT OF AN OLEFINIC UNSATURATED AMINE CONTAINING AT LEAST 12 CARBON ATOMS AND AN ALIPHATIC HYDROCARBON RADICAL HAVING AT LEAST 10 CARBON ATOMS AND 0.1 TO 1.0 ATOM OF SULFUR PER OLEFINIC DOUBLE BOND IN SAID AMINE REACTED AT A TEMPERATURE IN THE RNAGE OF 200* TO 300* F. FOR A TIME WITHIN THE RANGE OF 1 TO 3 HOURS TO FORM AN OIL DISPERSIBLE REACTION PRODUCT.
Claim 2
Dependent Claim
100 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 AN OIL DISPERSIBLE REACTION PRODUCT OF AN OLEFINIC UNSATURATED AMINE CONTAINING AT LEAST 12 CARBON ATOMS AND AN ALIPHATIC HYDROCARBON RADICAL HAVING AT LEAST 10 CARBON ATOMS AND 0.1 TO 1.0 ATOM OF SULFUR PER OLEFINIC DOUBLE BOND IN SAID AMINE REACTED AT A TEMPERATURE IN THE RNAGE OF 200* TO 300* F. FOR A TIME WITHIN THE RANGE OF 1 TO 3 HOURS TO FORM AN OIL DISPERSIBLE REACTION PRODUCT.
Claim 3
Dependent Claim
63 words
THE REACTION PRODUCT OF AN OLEFINIC UNSATURATED AMINE HAVING AT LEAST 12 CARBON ATOMS AND 0.1 TO 1.0 ATOM OF A SULFUR FAMILY ELEMENT PER OLEFINIC DOUBLE BOND IN SAID AMINE REACTED AT A TEMPERATURE WITHIN THE RANGE OF 200* TO 400* F. FOR A TIME WITHIN THE RANGE OF 1 MINUTE OF SIX HOURS TO PRODUCE AN OXIDATION INHIBITOR FOR ORGANIC COMPOUNDS.
Claim 4
Dependent Claim
63 words
THE REACTION PRODUCT OF AN OLEFINIC UNSATURATED AMINE HAVING AT LEAST 12 CARBON ATOMS AND 0.1 TO 1.0 ATOM OF A SULFUR FAMILY ELEMENT PER OLEFINIC DOUBLE BOND IN SAID AMINE REACTED AT A TEMPERATURE WITHIN THE RANGE OF 200* TO 400* F. FOR A TIME WITHIN THE RANGE OF 1 MINUTE OF SIX HOURS TO PRODUCE AN OXIDATION INHIBITOR FOR ORGANIC COMPOUNDS.
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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) | 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 |