Patent US2916450A successfully refreshed from Google Patents.
US2916450A
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Lubricating oil containing an alkaline earth metal sulfonate, a co-neutralized nonyl phenate, and a metal diamyldithiocarbamate
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1957-12-11
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Granted: 1959-12-08
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Expires: 1977-12-11
Abstract
No abstract record available.
Inventors
- 👤 James R Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 04:57
CPC Classifications
C; C10; C10M; C10M135/00; C10M135/08; C10M135/10; C10M135/12; C10M135/14; C10M135/18; C10M135/20; C10M2219/00; C10M2219/02; C10M2219/04; C10M2219/044; C10M2219/06; C10M2219/062; C10M2219/066; C10M2219/068; C10M2219/08; C10M2219/082; C10M2219/087; C10M2219/088; C10M2219/089; C10N; C10N2010/00; C10N2010/02; C10N2010/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
A LUBRICATING OIL COMPOSITION OF HIGH STABILITY WHICH COMPRISES AN ALKALINE EARTH METAL SULFONATE SELECTED FROM THE GROUP CONSISTING OF CALCIUM AN D BARIUM SULFONATES IN AN AMOUNT WITHIN THE RANGE FROM ABOUT 1.0% TO ABOUT 5.0% BY WEIGHT, A CO-NEUTRALIZED SUFURIZED NONYL PHENATE IN A RATIO OF ABOUT 2 PARTS OF SAID ALKALINE EARTH METAL SULFONATE TO ABOUT 1 PART OF SAID CO-NEUTRALIZED PHENATE, AN AMOUNT OF METAL DIAMYLDITHIOCARBAMATE SELECTED FROM THE GROUP CONSISTING OF ZINC AND CADMIUM DIAMYLDITHIOCARBAMATE WITHIN THE RANGE FROM ABOUT 0.5% TO ABOUT 2.0% BY WEIGHT, AND THE REMAINDER A PETROLEUM LUBRICATING OIL FRACTION.
Claim 2
Dependent Claim
99 words
A LUBRICATING OIL COMPOSITION OF HIGH STABILITY WHICH COMPRISES AN ALKALINE EARTH METAL SULFONATE SELECTED FROM THE GROUP CONSISTING OF CALCIUM AN D BARIUM SULFONATES IN AN AMOUNT WITHIN THE RANGE FROM ABOUT 1.0% TO ABOUT 5.0% BY WEIGHT, A CO-NEUTRALIZED SUFURIZED NONYL PHENATE IN A RATIO OF ABOUT 2 PARTS OF SAID ALKALINE EARTH METAL SULFONATE TO ABOUT 1 PART OF SAID CO-NEUTRALIZED PHENATE, AN AMOUNT OF METAL DIAMYLDITHIOCARBAMATE SELECTED FROM THE GROUP CONSISTING OF ZINC AND CADMIUM DIAMYLDITHIOCARBAMATE WITHIN THE RANGE FROM ABOUT 0.5% TO ABOUT 2.0% BY WEIGHT, AND THE REMAINDER A PETROLEUM LUBRICATING OIL FRACTION.
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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) | 1962-12-07 | 1963-06-08 | 1963-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-07 | 1967-06-08 | 1967-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-07 | 1971-06-08 | 1971-12-08 | $7700.00 | Window Closed / Lapsed |