Patent US2824837A successfully refreshed from Google Patents.
US2824837A
Expired / Lapsed
US
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Soap-salt complex grease containing n-acyl p-aminophenol
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1954-04-30
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Granted: 1958-02-25
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Expires: 1974-04-30
Abstract
No abstract record available.
Inventors
- 👤 Arnold J Morway
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:18
CPC Classifications
C; C10; C10M; C10M5/00; C10M2205/00; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/122; C10M2207/125; C10M2207/129; C10M2207/28; C10M2207/30; C10M2209/00; C10M2209/10; C10M2209/103; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/064; C10M2215/065; C10M2215/08; C10M2215/082; C10M2215/24; C10M2215/28; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/05; C10N; C10N2010/00; C10N2010/04; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
A LUBRICATING GREASE COMPOSITION WHICH COMPRISES A MAJOR PROPORTION OF A LUBRICATING OIL AND A MINOR BUT GREASE THICKENING AMOUNT OF A SOAP-SALT COMPLEX, SAID COMPLEX COMPRISING AN ALKALINE EARTH METAL SOAP OF A LEAST ONE HIGH MOLECULAR WEIGHT FATTY ACID WITH AN ALKALINE EARTH METAL SALT OF A LOW MOLECULAR WEIGHT MONOCARBOXYLIC ACID CONTAINING FROM 2 TO 6 CARBON ATOMS, THE MOLAR RATIO OF SAID SALT TO SAID SOAP IN SAID COMPLEX BEING BETWEEN ABOUT 7.5:1 TO 20:1, SAID LUBRICATING GREASE COMPOSITION CONTAINING A MINOR AMOUNT SUFFICIENT TO ELIMMATE CRUST FORMATION AND HARDENING OF A MATERIAL OF THE FORMULA
Claim 2
Dependent Claim
100 words
A LUBRICATING GREASE COMPOSITION WHICH COMPRISES A MAJOR PROPORTION OF A LUBRICATING OIL AND A MINOR BUT GREASE THICKENING AMOUNT OF A SOAP-SALT COMPLEX, SAID COMPLEX COMPRISING AN ALKALINE EARTH METAL SOAP OF A LEAST ONE HIGH MOLECULAR WEIGHT FATTY ACID WITH AN ALKALINE EARTH METAL SALT OF A LOW MOLECULAR WEIGHT MONOCARBOXYLIC ACID CONTAINING FROM 2 TO 6 CARBON ATOMS, THE MOLAR RATIO OF SAID SALT TO SAID SOAP IN SAID COMPLEX BEING BETWEEN ABOUT 7.5:1 TO 20:1, SAID LUBRICATING GREASE COMPOSITION CONTAINING A MINOR AMOUNT SUFFICIENT TO ELIMMATE CRUST FORMATION AND HARDENING OF A MATERIAL OF THE FORMULA
References Cited (Backward Citations)
US2564561A
Cited
US2583607A
Cited
US2629666A
Cited
US2618599A
Cited
US2625557A
Cited
US2647397A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-24 | 1961-08-26 | 1962-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-24 | 1965-08-26 | 1966-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-24 | 1969-08-26 | 1970-02-25 | $7700.00 | Window Closed / Lapsed |