US2652365A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of grease compositions
Assignee: Shell Development Co
•
Filing: 1949-06-24
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Granted: 1953-09-15
•
Expires: 1969-06-24
Abstract
No abstract record available.
Inventors
- 👤 Robert J Moore
- 👤 Wilson John Norton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:25
CPC Classifications
C; C10; C10M; C10M5/00; C10M2201/00; C10M2201/06; C10M2201/062; C10M2201/10; C10M2201/105; C10M2205/00; C10M2205/02; C10M2205/026; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/026; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2207/16; C10M2207/18; C10M2207/20; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2207/34; C10M2209/00; C10M2209/02; C10M2209/10; C10M2209/103; C10M2209/104; C10M2209/105; C10M2209/106; C10M2209/107; C10M2209/108; C10M2209/109; C10M2211/00; C10M2211/02; C10M2211/024; C10M2211/04; C10M2211/044; C10M2211/06; C10M2215/00; C10M2215/02; C10M2215/04; 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; C10M2219/00; C10M2219/02; C10M2219/022; C10M2219/024; C10M2219/08; C10M2219/082; C10M2219/083; C10M2221/00; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10M2223/042; C10M2223/047; C10M2223/12; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2010/06; C10N2010/08; C10N2010/12; C10N2010/14; C10N2010/16; C10N2050/00; C10N2050/10; C10N2070/00; C10N2070/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
THE METHOD OF MAKING A WIDE TEMPERATURE GREASE COMPOSITION COMPRISING ADMIXING AN OIL HAVING A VISCOSITY ABOUT 500 AT 100* F. SUS WITH A GREASE-FORMING GELLING AGENT IN AN AMOUNT SO THAT THE GELLING AGENT COMPRISES FROM 10% TO ABOUT 50% OF THE MIXTURE, HEATING UNTIL A HOMOGENEOUS NON-CRYSTALLINE MASS HAS FORMED, COOLING SAID GREASE CONCENTRATE TO A TEMPERATURE BELOW 100* C., AND ADMIXTURE INTO SAID GREASE CONCENTRATE AT THIS TEMPERATURE A LIGHT OIL HAVING A VISCOSITY BELOW 300 AT 100* F. SUS UNTIL THE CONTENT OF THE GELLING AGENT BASED ON THE TOTAL COMPOSITION RANGES FROM ABOUT 5% TO ABOUT 15% BY WEIGHT.
Claim 2
Independent Claim
104 words
THE METHOD OF MAKING A WIDE TEMPERATURE GREASE COMPOSITION COMPRISING ADMIXING AN OIL HAVING A VISCOSITY ABOUT 500 AT 100* F. SUS WITH A GREASE-FORMING GELLING AGENT IN AN AMOUNT SO THAT THE GELLING AGENT COMPRISES FROM 10% TO ABOUT 50% OF THE MIXTURE, HEATING UNTIL A HOMOGENEOUS NON-CRYSTALLINE MASS HAS FORMED, COOLING SAID GREASE CONCENTRATE TO A TEMPERATURE BELOW 100* C., AND ADMIXTURE INTO SAID GREASE CONCENTRATE AT THIS TEMPERATURE A LIGHT OIL HAVING A VISCOSITY BELOW 300 AT 100* F. SUS UNTIL THE CONTENT OF THE GELLING AGENT BASED ON THE TOTAL COMPOSITION RANGES FROM ABOUT 5% TO ABOUT 15% BY WEIGHT.
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) | 1956-09-14 | 1957-03-16 | 1957-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-14 | 1961-03-16 | 1961-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-14 | 1965-03-16 | 1965-09-15 | $7700.00 | Window Closed / Lapsed |