US2580654A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grease dispersion
Assignee: Standard Oil Co
•
Filing: 1949-10-26
•
Granted: 1952-01-01
•
Expires: 1969-10-26
Abstract
No abstract record available.
Inventors
- 👤 George V Browning
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:31
CPC Classifications
C; C10; C10M; C10M171/00; C10M171/005; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2010/06; C10N2050/00; C10N2050/015; C10N2050/02; C10N2050/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
180 words
AN AEROSOL DISPENSABLE LUBRICANT COMPOSITION WHICH CONSISTS ESSENTIALLY OF A LITHIUM SOAPOIL GREASE HAVING A SOAP CONTENT IN THE RANGE OF ABOUT 4 TO 20 PER CENT BY WEIGHT AND CHARACTERIZED BY A SOAP FIBER LENGTH OF THE ORDER OF ONE MICRON DISPERSED IN A MIXTURE OF TRICHLOROMONOFLUOROMETHANE AND DICHLORODIFLUOROMETHANE, THE AMOUNT BY WEIGHT OF THE LITHIUM SOAPOIL GREASE IN THE TOTAL COMPOSITION BEING IN THE RANGE OF .5 TO 20 PER CENT AND SAID COMPOSITION BEING FURTHER CHARACTERIZED BY HAVING THE OIL, COMPONENT OF THE GREASE DISSOLVED IN THE MIXTURE OF TRICHLOROMONOFLUOROMETHANE AND DICHLORODIFLUOROMETHANE AT A TEMPERATURE AND PRESSURE TO MAINTAIN THESE COMPONENTS IN LIQUID PHASE WITHOUT DISSOLVING THE LITHIUM SOAP FIBERS WHEREBY UNALTERED LITHIUM SOAP FIBER CLUSTERS ARE RETAINED AS A SUSPENSION THEREIN SO THAT WHEN SAID SUSPENSION IS SPRAYED ON A SURFACE TO BE COATED, THE TRICHLOROMONOFLUOROMETHANE AND DICHLORODIFLUOROMETHANE WILL EVAPORATE AND THE DEPOSITED FILM WILL CONSIST ESSENTIALLY OF A GREASE CONSISTING OF MESHED LITHIUM SOAP FIBERS WITH OIL RETAINED THEREIN, SAID GREASE HAVING SUBSTANTIALLY THE SAME STRUCTURE AND PHYSICAL PROPERTIES AS THE ORIGINAL LITHIUM SOAP GREASE.
Claim 2
Dependent Claim
180 words
AN AEROSOL DISPENSABLE LUBRICANT COMPOSITION WHICH CONSISTS ESSENTIALLY OF A LITHIUM SOAPOIL GREASE HAVING A SOAP CONTENT IN THE RANGE OF ABOUT 4 TO 20 PER CENT BY WEIGHT AND CHARACTERIZED BY A SOAP FIBER LENGTH OF THE ORDER OF ONE MICRON DISPERSED IN A MIXTURE OF TRICHLOROMONOFLUOROMETHANE AND DICHLORODIFLUOROMETHANE, THE AMOUNT BY WEIGHT OF THE LITHIUM SOAPOIL GREASE IN THE TOTAL COMPOSITION BEING IN THE RANGE OF .5 TO 20 PER CENT AND SAID COMPOSITION BEING FURTHER CHARACTERIZED BY HAVING THE OIL, COMPONENT OF THE GREASE DISSOLVED IN THE MIXTURE OF TRICHLOROMONOFLUOROMETHANE AND DICHLORODIFLUOROMETHANE AT A TEMPERATURE AND PRESSURE TO MAINTAIN THESE COMPONENTS IN LIQUID PHASE WITHOUT DISSOLVING THE LITHIUM SOAP FIBERS WHEREBY UNALTERED LITHIUM SOAP FIBER CLUSTERS ARE RETAINED AS A SUSPENSION THEREIN SO THAT WHEN SAID SUSPENSION IS SPRAYED ON A SURFACE TO BE COATED, THE TRICHLOROMONOFLUOROMETHANE AND DICHLORODIFLUOROMETHANE WILL EVAPORATE AND THE DEPOSITED FILM WILL CONSIST ESSENTIALLY OF A GREASE CONSISTING OF MESHED LITHIUM SOAP FIBERS WITH OIL RETAINED THEREIN, SAID GREASE HAVING SUBSTANTIALLY THE SAME STRUCTURE AND PHYSICAL PROPERTIES AS THE ORIGINAL LITHIUM SOAP GREASE.
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) | 1954-12-31 | 1955-07-02 | 1956-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-31 | 1959-07-02 | 1960-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-31 | 1963-07-02 | 1964-01-01 | $7700.00 | Window Closed / Lapsed |