US2655478A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Noncorrosive soluble oil containing active sulfur
Assignee: Texaco Inc
•
Filing: 1952-03-01
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Granted: 1953-10-13
•
Expires: 1972-03-01
Abstract
No abstract record available.
Inventors
- 👤 Alton J Deutser
- 👤 Fred T Crookshank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:08
CPC Classifications
C; C10; C10M; C10M173/00; C10M2201/00; C10M2201/02; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/022; C10M2207/04; C10M2207/046; C10M2207/10; C10M2207/16; C10M2207/20; C10M2207/24; C10M2207/28; C10M2207/283; C10M2207/287; C10M2207/289; C10M2207/40; C10M2207/404; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/104; C10M2211/00; C10M2211/04; C10M2211/042; C10M2211/06; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2215/06; C10M2215/062; C10M2215/14; C10M2215/22; C10M2215/221; C10M2215/225; C10M2215/226; C10M2215/24; C10M2215/26; C10M2215/30; C10M2217/00; C10M2217/04; C10M2217/046; C10M2217/06; C10M2219/00; C10M2219/02; C10M2219/022; C10M2219/04; C10M2219/044; C10N; C10N2040/00; C10N2040/20; C10N2040/22; C10N2050/00; C10N2050/01; C10N2070/00; C10N2070/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
AN EMULSIFIABLE LUBRICANT WHICH IS ESSENTIALLY NON-CORROSIVE TO STEEL IN THE PRESENCE OF WATER, COMPRISING AS THE MAJOR CONSTITUENT A SULFURIZED MINERAL LUBRICATING OIL CONTAINING LOOSELY COMBINED ACTIVE SULFUR, AN ALKALI METAL SOAP EMULSIFIER, AND ABOUT 0.1-2.0% BY WEIGHT BASED ON THE LUBRICANT OF AN ALIPHATIC C1-C3 ALKYLENE POLYAMINE HAVING FROM 3 TO 20 CARBON ATOMS IN THE MOLECULE EFFECTIVE TO INHIBIT SAID LUBRICANT AGAINST STEEL CORROSION IN THE PRESENCE OF WATER.
Claim 2
Dependent Claim
72 words
AN EMULSIFIABLE LUBRICANT WHICH IS ESSENTIALLY NON-CORROSIVE TO STEEL IN THE PRESENCE OF WATER, COMPRISING AS THE MAJOR CONSTITUENT A SULFURIZED MINERAL LUBRICATING OIL CONTAINING LOOSELY COMBINED ACTIVE SULFUR, AN ALKALI METAL SOAP EMULSIFIER, AND ABOUT 0.1-2.0% BY WEIGHT BASED ON THE LUBRICANT OF AN ALIPHATIC C1-C3 ALKYLENE POLYAMINE HAVING FROM 3 TO 20 CARBON ATOMS IN THE MOLECULE EFFECTIVE TO INHIBIT SAID LUBRICANT AGAINST STEEL CORROSION IN THE PRESENCE OF WATER.
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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) | 1956-10-12 | 1957-04-13 | 1957-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-12 | 1961-04-13 | 1961-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-12 | 1965-04-13 | 1965-10-13 | $7700.00 | Window Closed / Lapsed |