US2653131A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aluminum-carbon black thickened grease compositions
Assignee: Standard Oil Development Co
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Filing: 1951-03-29
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Granted: 1953-09-22
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Expires: 1971-03-29
Abstract
No abstract record available.
Inventors
- 👤 O'halloran Rosemary
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:51
CPC Classifications
C; C10; C10M; C10M5/00; C10M2201/00; C10M2201/04; C10M2201/041; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/122; C10M2207/125; C10M2207/129; C10M2207/16; C10M2207/40; C10M2207/404; C10M2211/00; C10M2219/00; C10M2219/02; C10M2219/024; C10M2223/00; C10M2223/08; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2010/06; C10N2010/08; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
AN IMPROVED PROCESS FOR THE FORMATION OF LUBRICATING GREASE COMPOSITIONS CONTAINING COMBINED THEREIN CARBON BLACK WHICH COMPRISES THE STEPS OF ADMIXING FROM 1.5% TO 10.0% BY WEIGHT OF AN ALUMINUM SOAP OF HIGH MOLECULAR WEIGHT SUBSTANTIALLY SATURATED FATTY ACID IN A MINERAL OIL, HEATING SAID MIXTURE TO COMPLETELY DISPERSE SAID SOAP IN SAID OIL, COOLING THE DISPERSION BELOW THE TRANSITION TEMPERATURE OF SAID ALUMINUM SOAP, BLENDING WITH SAID COOLED SOAP-OIL SOLUTION FROM 3% TO 30% BY WEIGHT OF AN AMORPHOUS CARBON BLACK, AND WORKING THE RESULTING BLEND UNTIL THE DESIRED CONSISTENCY IS OBTAINED.
Claim 2
Dependent Claim
93 words
AN IMPROVED PROCESS FOR THE FORMATION OF LUBRICATING GREASE COMPOSITIONS CONTAINING COMBINED THEREIN CARBON BLACK WHICH COMPRISES THE STEPS OF ADMIXING FROM 1.5% TO 10.0% BY WEIGHT OF AN ALUMINUM SOAP OF HIGH MOLECULAR WEIGHT SUBSTANTIALLY SATURATED FATTY ACID IN A MINERAL OIL, HEATING SAID MIXTURE TO COMPLETELY DISPERSE SAID SOAP IN SAID OIL, COOLING THE DISPERSION BELOW THE TRANSITION TEMPERATURE OF SAID ALUMINUM SOAP, BLENDING WITH SAID COOLED SOAP-OIL SOLUTION FROM 3% TO 30% BY WEIGHT OF AN AMORPHOUS CARBON BLACK, AND WORKING THE RESULTING BLEND UNTIL THE DESIRED CONSISTENCY IS OBTAINED.
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) | 1956-09-21 | 1957-03-23 | 1957-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-21 | 1961-03-23 | 1961-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-21 | 1965-03-23 | 1965-09-22 | $7700.00 | Window Closed / Lapsed |