US2651616A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lithium hydroxy stearate grease compositions
Assignee: Shell Development Co
•
Filing: 1951-04-16
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Granted: 1953-09-08
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Expires: 1971-04-16
Abstract
No abstract record available.
Inventors
- 👤 Matthews John Bryant
- 👤 Evans Douglas
- 👤 Hutton John Fletcher
- 👤 Cliffe John Owen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:30
CPC Classifications
C; C10; C10M; C10M5/00; C10M2201/00; C10M2201/02; C10M2203/00; C10M2205/00; C10M2205/02; C10M2205/022; C10M2205/026; C10M2205/04; C10M2205/14; C10M2205/17; C10M2205/173; C10M2205/20; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/022; C10M2207/023; C10M2207/026; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2207/16; C10M2207/28; C10M2207/282; C10M2207/284; C10M2207/285; C10M2207/287; C10M2207/34; C10M2207/40; C10M2207/402; C10M2207/404; C10M2209/00; C10M2209/02; C10M2209/04; C10M2209/06; C10M2209/062; C10M2209/08; C10M2209/082; C10M2209/10; C10M2209/103; C10M2209/105; C10M2209/106; C10M2209/107; C10M2209/12; C10M2211/00; C10M2211/02; C10M2211/024; C10M2211/04; C10M2211/044; C10M2211/06; C10M2211/08; C10M2213/00; C10M2213/02; C10M2213/06; C10M2213/062; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2215/06; C10M2215/064; C10M2215/065; C10M2215/066; C10M2215/067; C10M2215/10; C10M2215/102; C10M2215/22; C10M2215/221; C10M2215/225; C10M2215/226; C10M2215/24; C10M2215/26; C10M2215/30; C10M2217/00; C10M2217/02; C10M2217/028; C10M2217/04; C10M2217/042; C10M2217/043; C10M2217/06; C10M2219/00; C10M2219/02; C10M2219/022; C10M2219/024; C10M2219/06; C10M2219/062; C10M2219/064; C10M2219/08; C10M2219/082; C10M2219/083; C10M2219/086; C10M2219/087; C10M2219/089; C10M2221/00; C10M2221/04; C10M2221/043; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10M2223/042; C10M2223/047; C10M2223/06; C10M2223/061; C10M2223/065; C10M2223/12; C10M2227/00; C10M2227/02; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/041; C10M2229/043; C10M2229/044; C10M2229/05; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2010/06; C10N2050/00; C10N2050/10; C10N2060/00; C10N2060/04; C10N2070/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
A METHOD OF MANUFACTURING A LUBRICATING GREASE WHICH COMPRISES HEATING AN OLEAGINOUS VEHICLE MIXED WITH A GREASE FORMING AMOUNT OF ALKALI METAL ALIPHATIC MONOCARBOXYLIC ACID SOAPS CONTAINING AT LEAST 35% LITHIUM HYDROXY FATTY ACID SOAPS UNTIL A HOMOGENEOUS COMPOSITION IS FORMED, COOLING SAID COMPOSITION TO A TEMPERATURE BETWEEN ABOUT 110 C. AND ABOUT 170 C. AT A RATE BETWEEN 1 . C. AND 3. C. PER MINUTE. ISOTHERMALLY GELLING THE COMPOSITION BETWEEN SAID TEMPERATURES AND SUBSEQUENTLY COOLING THE GREASE.
Claim 2
Independent Claim
79 words
A METHOD OF MANUFACTURING A LUBRICATING GREASE WHICH COMPRISES HEATING AN OLEAGINOUS VEHICLE MIXED WITH A GREASE FORMING AMOUNT OF ALKALI METAL ALIPHATIC MONOCARBOXYLIC ACID SOAPS CONTAINING AT LEAST 35% LITHIUM HYDROXY FATTY ACID SOAPS UNTIL A HOMOGENEOUS COMPOSITION IS FORMED, COOLING SAID COMPOSITION TO A TEMPERATURE BETWEEN ABOUT 110 C. AND ABOUT 170 C. AT A RATE BETWEEN 1 . C. AND 3. C. PER MINUTE. ISOTHERMALLY GELLING THE COMPOSITION BETWEEN SAID TEMPERATURES AND SUBSEQUENTLY COOLING THE GREASE.
References Cited (Backward Citations)
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US2470965A
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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) | 1956-09-07 | 1957-03-09 | 1957-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-07 | 1961-03-09 | 1961-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-07 | 1965-03-09 | 1965-09-08 | $7700.00 | Window Closed / Lapsed |