Patent US2632734A successfully refreshed from Google Patents.
US2632734A
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Emulsifiable metal-working lubricant
Assignee: Standard Oil Development Co
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Filing: 1950-06-24
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Granted: 1953-03-24
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Expires: 1970-06-24
Abstract
No abstract record available.
Inventors
- 👤 Thomas J Nunn
- 👤 John W Leach
- 👤 Arthur G Rogers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:56
CPC Classifications
C; C10; C10M; C10M173/00; C10M2201/00; C10M2201/02; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2207/18; C10M2207/20; C10M2207/28; C10M2207/287; C10M2207/289; C10M2207/40; C10M2207/404; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/104; C10M2209/108; C10M2209/109; C10M2219/00; C10M2219/04; C10M2219/044; C10N; C10N2010/00; C10N2010/04; C10N2010/06; C10N2040/00; C10N2040/20; C10N2040/24; C10N2040/241; C10N2040/242; C10N2040/243; C10N2040/244; C10N2040/245; C10N2040/246; C10N2040/247; C10N2050/00; C10N2050/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
A COMPOSITION CONSISTING ESSENTIALLY OF MINERAL BASE LUBRICATING OIL CONTAINING 5 TO 40% BY WEIGHT, BASED ON THE TOTAL COMPOSTION, OF LARD OIL, 3 TO 25% OF A COMBINATION OF AT LEAST TWO DIFFERENT OIL-IN-WATER EMULSIFIERS ONE OF WHICH IS AN ALKALI METAL PETROLEUM SULFONATE OF MOLECULAR WEIGHT WITHIN THE RANGE OF 350 TO 650 AND THE OTHER IS A LONG CHAIN FATTY ACID ESTER OF A POLYHYDRIC ALCOHOL, AND ABOUT 0.3 TO 3% OF CALCIUM SOAP OF FATTY ACIDS OF THE C10 TO C24 RANGE.
Claim 2
Dependent Claim
86 words
A COMPOSITION CONSISTING ESSENTIALLY OF MINERAL BASE LUBRICATING OIL CONTAINING 5 TO 40% BY WEIGHT, BASED ON THE TOTAL COMPOSTION, OF LARD OIL, 3 TO 25% OF A COMBINATION OF AT LEAST TWO DIFFERENT OIL-IN-WATER EMULSIFIERS ONE OF WHICH IS AN ALKALI METAL PETROLEUM SULFONATE OF MOLECULAR WEIGHT WITHIN THE RANGE OF 350 TO 650 AND THE OTHER IS A LONG CHAIN FATTY ACID ESTER OF A POLYHYDRIC ALCOHOL, AND ABOUT 0.3 TO 3% OF CALCIUM SOAP OF FATTY ACIDS OF THE C10 TO C24 RANGE.
References Cited (Backward Citations)
US2493483A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-23 | 1956-09-22 | 1957-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-23 | 1960-09-22 | 1961-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-23 | 1964-09-22 | 1965-03-24 | $7700.00 | Window Closed / Lapsed |