US2648634A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of preparing lubricating grease compositions
Assignee: Shell Development Co
•
Filing: 1950-07-14
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Granted: 1953-08-11
•
Expires: 1970-07-14
Abstract
No abstract record available.
Inventors
- 👤 Robert J Moore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:25
CPC Classifications
C; C10; C10M; C10M159/00; C10M159/12; C10M2201/00; C10M2201/02; C10M2201/06; C10M2201/062; C10M2201/10; C10M2201/105; C10M2203/00; C10M2203/02; C10M2203/022; C10M2203/024; C10M2203/04; C10M2203/06; C10M2203/10; C10M2205/00; C10M2205/02; C10M2205/026; C10M2205/14; C10M2205/16; C10M2205/17; C10M2205/20; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/022; C10M2207/023; C10M2207/026; C10M2207/027; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/122; C10M2207/123; C10M2207/124; C10M2207/125; C10M2207/128; C10M2207/129; C10M2207/14; C10M2207/141; C10M2207/142; C10M2207/144; C10M2207/146; C10M2207/16; C10M2207/18; C10M2207/20; C10M2207/22; C10M2207/24; C10M2207/28; C10M2207/282; C10M2207/284; C10M2207/285; C10M2207/287; C10M2207/289; C10M2207/34; C10M2207/40; C10M2207/402; C10M2207/404; C10M2209/00; C10M2209/02; C10M2209/04; C10M2209/06; C10M2209/062; C10M2209/08; C10M2209/082; C10M2209/10; C10M2209/101; C10M2209/103; C10M2209/104; C10M2209/105; C10M2209/106; C10M2209/107; C10M2209/108; C10M2209/109; C10M2209/12; C10M2211/00; C10M2211/02; C10M2211/022; C10M2211/024; C10M2211/04; C10M2211/044; C10M2211/06; C10M2211/08; C10M2213/00; C10M2213/04; C10M2213/06; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2215/06; C10M2215/062; C10M2215/064; C10M2215/065; C10M2215/066; C10M2215/067; C10M2215/10; C10M2215/102; C10M2215/16; C10M2215/18; C10M2215/20; C10M2215/202; C10M2215/204; C10M2215/22; C10M2215/221; C10M2215/225; C10M2215/226; C10M2215/24; C10M2215/26; C10M2215/30; C10M2217/00; C10M2217/02; C10M2217/04; C10M2217/042; C10M2217/043; C10M2219/00; C10M2219/08; C10M2219/082; C10M2219/086; C10M2219/087; C10M2219/088; C10M2219/089; C10M2227/00; C10M2227/06; C10M2227/08; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2010/06; C10N2010/08; C10N2010/10; C10N2010/12; C10N2010/14; C10N2010/16; C10N2030/00; C10N2030/08; C10N2030/12; C10N2040/00; C10N2040/04; C10N2040/042; C10N2040/044; C10N2040/046; C10N2040/20; C10N2040/22; C10N2040/24; C10N2040/241; C10N2040/242; C10N2040/243; C10N2040/244; C10N2040/245; C10N2040/246; C10N2040/247; C10N2050/00; C10N2050/10; C10N2060/00; C10N2060/04; C10N2070/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
161 words
A METHOD OF PREPARING A GREASE COMPOSITION WHICH COMPRISES: HEATING A MIXTURE OF AN ORGANIC LIQUID LUBRICANT AND A FIBROUS METALLIC SOAP OF AN ALIPHATIC MONOCARBOXYLIC ACID HAVING AT LEAST 10 CARBON ATOMS PER MOLECULE, SAID SOAP BEING SELECTED FROM THE GROUP CONSISTING OF ALKALI METAL SOAPS AND AKALINE EARTH METAL SOAPS TO A TEMPERATURE BETWEEN THE MINIMUM SOLUTION TEMPERATURE, AT WHICH TEMPERATURE SAID SOAP AT LEAST COLLOIDALLY DISPERSES IN SAID LUBRICANT, AND 5* C. THEREABOVE, FOR A PERIOD BETWEEN 1 AND 10 MINUTES; QUENCHING THE SOLUTION SO FORMED TO A TEMPERATURE BETWEEN ABOUT 15* C. AND 50* C. BELOW SAID MINIMUM SOLUTION TEMPERATURE; REHEATING THE COOLED MIXTURE TO A TEMPERATURE BETWEEN ABOUT 1* C. AND ABOUT 10* C. BELOW SAID MINIMUM SOLUTION TEMPERATURE; COOLING THE REHEATED MIXTURE WHILE SUBJECTING IT TO SHEARING, TO A TEMPERATURE BETWEEN 15* C. AND 100* C. BELOW THE MINIMUM SOLUTION TEMPERATURE; AND COOLING THE RESULTING GREASE TO LOWER TEMPERATURES IN THE SUBSTANTIAL ABSENCE OF SHEARING.
Claim 2
Independent Claim
161 words
A METHOD OF PREPARING A GREASE COMPOSITION WHICH COMPRISES: HEATING A MIXTURE OF AN ORGANIC LIQUID LUBRICANT AND A FIBROUS METALLIC SOAP OF AN ALIPHATIC MONOCARBOXYLIC ACID HAVING AT LEAST 10 CARBON ATOMS PER MOLECULE, SAID SOAP BEING SELECTED FROM THE GROUP CONSISTING OF ALKALI METAL SOAPS AND AKALINE EARTH METAL SOAPS TO A TEMPERATURE BETWEEN THE MINIMUM SOLUTION TEMPERATURE, AT WHICH TEMPERATURE SAID SOAP AT LEAST COLLOIDALLY DISPERSES IN SAID LUBRICANT, AND 5* C. THEREABOVE, FOR A PERIOD BETWEEN 1 AND 10 MINUTES; QUENCHING THE SOLUTION SO FORMED TO A TEMPERATURE BETWEEN ABOUT 15* C. AND 50* C. BELOW SAID MINIMUM SOLUTION TEMPERATURE; REHEATING THE COOLED MIXTURE TO A TEMPERATURE BETWEEN ABOUT 1* C. AND ABOUT 10* C. BELOW SAID MINIMUM SOLUTION TEMPERATURE; COOLING THE REHEATED MIXTURE WHILE SUBJECTING IT TO SHEARING, TO A TEMPERATURE BETWEEN 15* C. AND 100* C. BELOW THE MINIMUM SOLUTION TEMPERATURE; AND COOLING THE RESULTING GREASE TO LOWER TEMPERATURES IN THE SUBSTANTIAL ABSENCE OF SHEARING.
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) | 1956-08-10 | 1957-02-09 | 1957-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-10 | 1961-02-09 | 1961-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-10 | 1965-02-09 | 1965-08-11 | $7700.00 | Window Closed / Lapsed |