Patent US2813076A successfully refreshed from Google Patents.
US2813076A
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Hydrocarbon oils having improved oxidation resistance
Assignee: Huntington Alloys Corp
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Filing: 1953-08-11
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Granted: 1957-11-12
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Expires: 1973-08-11
Abstract
No abstract record available.
Inventors
- 👤 Edelman Leonard Edward
- 👤 Gales Helen Louise
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:00
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2207/16; C10M2219/00; C10M2219/06; C10M2219/062; C10M2219/066; C10M2219/068; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/045; C10N; C10N2010/00; C10N2010/02; C10N2010/14; C10N2010/16; C10N2040/00; C10N2040/08; C10N2040/14; C10N2040/16; C10N2040/17; C10N2040/20; C10N2040/30; C10N2040/32; C10N2040/34; C10N2040/36; C10N2040/38; C10N2040/40; C10N2040/42; C10N2040/44; C10N2040/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
A HYDROCARBON MINERAL OIL CONTAINING AT LEAST ONE THERMALLY STABLE, OIL-SOLUBLE, IRON-GROUP METAL DERIVATIVE OF AN ALKYL ACID FROM THE GROUP CONSISTING OF DITHIOCARBAMIC, DITHIPHOSPHORIC AND XANTHIC ACID IN SMALL BUT EFFECTIVE AMOUNTS UP TO ABOUT 5% AND A SMALL BUT EFFECTIVE AMOUNT UP TO ABOUT 0.01% OF COPPER AS AN OIL-SOLU-BLE COPPER SALT OF AN ACID SELECTED FROM THE GROUP CONSISTING OF A FATTY ACID AND NAPHTHENIC ACID SUFFICIENT, TOGETHER WITH SAID ALKYL ACID DERIVATIVE, TO IMPART IMPROVED OXIDATION-RESISTANT PROPERTIES TO SAID HYDROCARBON MINEARL OIL.
Claim 2
Dependent Claim
86 words
A HYDROCARBON MINERAL OIL CONTAINING AT LEAST ONE THERMALLY STABLE, OIL-SOLUBLE, IRON-GROUP METAL DERIVATIVE OF AN ALKYL ACID FROM THE GROUP CONSISTING OF DITHIOCARBAMIC, DITHIPHOSPHORIC AND XANTHIC ACID IN SMALL BUT EFFECTIVE AMOUNTS UP TO ABOUT 5% AND A SMALL BUT EFFECTIVE AMOUNT UP TO ABOUT 0.01% OF COPPER AS AN OIL-SOLU-BLE COPPER SALT OF AN ACID SELECTED FROM THE GROUP CONSISTING OF A FATTY ACID AND NAPHTHENIC ACID SUFFICIENT, TOGETHER WITH SAID ALKYL ACID DERIVATIVE, TO IMPART IMPROVED OXIDATION-RESISTANT PROPERTIES TO SAID HYDROCARBON MINEARL OIL.
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) | 1960-11-11 | 1961-05-13 | 1961-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-11 | 1965-05-13 | 1965-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-11 | 1969-05-13 | 1969-11-12 | $7700.00 | Window Closed / Lapsed |