US2850458A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preparing mixed-salt grease compositions
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1956-06-21
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Granted: 1958-09-02
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Expires: 1976-06-21
Abstract
No abstract record available.
Inventors
- 👤 Beerbower Alan
- 👤 Harry E Bloomsburg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:57
CPC Classifications
C; C10; C10M; C10M5/00; C10M2201/00; C10M2201/08; C10M2201/081; C10M2201/082; C10M2201/084; C10M2201/085; C10M2203/00; C10M2203/10; C10M2207/00; C10M2207/04; C10M2207/046; C10M2207/08; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/122; C10M2207/124; C10M2207/125; C10M2207/129; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2207/30; C10M2207/302; C10M2207/304; C10M2207/32; C10M2207/34; C10M2209/00; C10M2209/02; C10M2209/04; C10M2209/06; C10M2209/062; C10M2209/10; C10M2209/103; C10M2209/109; C10M2211/00; C10M2211/02; C10M2211/06; C10M2213/00; C10M2213/02; C10M2213/06; C10M2213/062; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/064; C10M2215/065; C10M2219/00; C10M2219/02; C10M2219/024; C10M2219/04; C10M2219/044; C10M2219/06; C10M2219/08; C10M2219/082; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/042; C10M2223/047; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/05; C10N; C10N2010/00; C10N2010/04; C10N2040/00; C10N2040/02; C10N2050/00; C10N2050/10; C10N2070/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
165 words
A PROCESS FOR THE MANUFACTURE OF A LUBRICANT COMPRISING LUBRICATING OIL AND ABOUT 3 TO 50 WEIGHT PERCENT OF A MIXED-SALT COMPLEX COMPRISING ALKALINE EARTH METAL SALT OF A C1 TO C6 FATTY ACID AND ALKALINE EARTH METAL SALT OF A HIGHER MOLECULAR WEIGHT FATTY ACID SELECTED FROM THE GROUP CONSISTING OF INTERMEDIATE AND HIGH MOLECULAR WEIGHT FATTY ACIDS AMD MIXTURES THEREOF, WHICH COMPRISES FORMING A SLURRY CONTAINING ALKALINE EARTH METAL BASE AND AT LEAST A PORTION OF THE LUBRICATING OIL, PASSING A STREAM OF SAID SLURRY TO A HIGH INTESITY MIXER, SIMULTANEOUSLY PASSING TO SAID MIXER A SECOND STREAM COMPRISING SAID C1 TO C6 FATTY ACID, ONE OF SAID STREAMS ALSO CONTAINING SAID HIGHER FATTY ACID, INTENSELY MIXING SAID STREAMS IN SAID MIXER WHEREBY SAID C1 TO C6 FATTY ACID IS DISPERSED IN SAID SLURRY IN THE FORM OF DROPLETS OF LESS THAN 0.05 MM. DIAMETER, INCORPORATING THE REMAINDER OF SAID OIL, HEATING TO ABOUT 250 TO 550*F. AND COOLING TO FORM SAID LUBRICANT.
Claim 2
Dependent Claim
165 words
A PROCESS FOR THE MANUFACTURE OF A LUBRICANT COMPRISING LUBRICATING OIL AND ABOUT 3 TO 50 WEIGHT PERCENT OF A MIXED-SALT COMPLEX COMPRISING ALKALINE EARTH METAL SALT OF A C1 TO C6 FATTY ACID AND ALKALINE EARTH METAL SALT OF A HIGHER MOLECULAR WEIGHT FATTY ACID SELECTED FROM THE GROUP CONSISTING OF INTERMEDIATE AND HIGH MOLECULAR WEIGHT FATTY ACIDS AMD MIXTURES THEREOF, WHICH COMPRISES FORMING A SLURRY CONTAINING ALKALINE EARTH METAL BASE AND AT LEAST A PORTION OF THE LUBRICATING OIL, PASSING A STREAM OF SAID SLURRY TO A HIGH INTESITY MIXER, SIMULTANEOUSLY PASSING TO SAID MIXER A SECOND STREAM COMPRISING SAID C1 TO C6 FATTY ACID, ONE OF SAID STREAMS ALSO CONTAINING SAID HIGHER FATTY ACID, INTENSELY MIXING SAID STREAMS IN SAID MIXER WHEREBY SAID C1 TO C6 FATTY ACID IS DISPERSED IN SAID SLURRY IN THE FORM OF DROPLETS OF LESS THAN 0.05 MM. DIAMETER, INCORPORATING THE REMAINDER OF SAID OIL, HEATING TO ABOUT 250 TO 550*F. AND COOLING TO FORM SAID LUBRICANT.
References Cited (Backward Citations)
US1722687A
Cited
US2383906A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-01 | 1962-03-03 | 1962-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-01 | 1966-03-03 | 1966-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-01 | 1970-03-03 | 1970-09-02 | $7700.00 | Window Closed / Lapsed |