US2510031A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of inhibiting evolution of hydrogen sulfide from sulfurized oil lubricants
Assignee: ExxonMobil Oil Corp
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Filing: 1945-10-29
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Granted: 1950-05-30
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Expires: 1965-10-29
Abstract
No abstract record available.
Inventors
- 👤 Jr Bert Folda
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 03:36
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2207/16; C10M2219/00; C10M2219/02; C10M2219/024; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2010/08; C10N2010/12; C10N2010/14; C10N2010/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
THE METHOD OF INHIBITING THE EVOLUTION IN STORAGE OF HYDROGEN SULFIDE FROM LUBRICANTS COMPOUNDED WITH SULFURIZED OILS WHICH CONSISTS IN ADDING TO THE COMPOUNDED LUBRICANT, AFTER REMOVAL THEREFROM OF FREE HYDROGEN SULFIDE, AN OILSOLUBLE SOAP OF A METAL SELECTED FROM THE GROUP CONSISTING OF LEAD, CADMIUM, COPPER, ZINC, CHROMIUM, MANGANESE, IRON, NICKEL, AND COBALT, IN PROPORTIONS OF ABOUT 4 TO 75 PARTS BY WEIGHT OF SAID METAL PER THOUSAND PARTS BY WEIGHT OF SULFUR.
Claim 2
Independent Claim
74 words
THE METHOD OF INHIBITING THE EVOLUTION IN STORAGE OF HYDROGEN SULFIDE FROM LUBRICANTS COMPOUNDED WITH SULFURIZED OILS WHICH CONSISTS IN ADDING TO THE COMPOUNDED LUBRICANT, AFTER REMOVAL THEREFROM OF FREE HYDROGEN SULFIDE, AN OILSOLUBLE SOAP OF A METAL SELECTED FROM THE GROUP CONSISTING OF LEAD, CADMIUM, COPPER, ZINC, CHROMIUM, MANGANESE, IRON, NICKEL, AND COBALT, IN PROPORTIONS OF ABOUT 4 TO 75 PARTS BY WEIGHT OF SAID METAL PER THOUSAND PARTS BY WEIGHT OF SULFUR.
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) | 1953-05-29 | 1953-11-28 | 1954-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-29 | 1957-11-28 | 1958-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-29 | 1961-11-28 | 1962-05-30 | $7700.00 | Window Closed / Lapsed |