US2836560A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water- and corrosion-resistant lubricating greases gelled with inorganic colloids
Assignee: Shell Development Co
•
Filing: 1956-02-29
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Granted: 1958-05-27
•
Expires: 1976-02-29
Abstract
No abstract record available.
Inventors
- 👤 Teale Ronald Sowerby
- 👤 Seeles Hans
- 👤 Helmut Richard Karl Ferdin Kon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 07:02
CPC Classifications
C; C10; C10M; C10M5/00; C10M2201/00; C10M2201/04; C10M2201/043; C10M2201/06; C10M2201/062; C10M2201/063; C10M2201/065; C10M2201/08; C10M2201/081; C10M2201/082; C10M2201/084; C10M2201/10; C10M2201/102; C10M2201/103; C10M2201/105; C10M2205/00; C10M2205/02; C10M2205/026; C10M2205/20; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/026; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/123; C10M2207/125; C10M2207/128; C10M2207/129; C10M2207/16; C10M2207/22; C10M2207/28; C10M2207/287; C10M2207/288; C10M2211/00; C10M2211/02; C10M2211/022; C10M2211/04; C10M2211/042; C10M2211/044; C10M2211/06; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/064; C10M2215/065; C10M2215/08; C10M2215/082; C10M2215/24; C10M2215/28; C10M2219/00; C10M2219/02; C10M2219/024; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/041; C10M2229/05; C10N; C10N2010/00; C10N2010/04; C10N2010/08; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
A GREASE COMPOSITION CONSISTING ESSENTIALLY OF A HYDROCARBON LUBRICATING OIL, A GREASE-FORMING PROPORTION OF AN INORGANIC HYDROPHILIC COLLODIAL GELLING AGENT OF THE GROUP CONSISTING OF INORGANIC OXIDES, HYDROXIDES, SULFIDES, SULFATES, SILICATES AND CARBONATES, AND FROM ABOUT 0.01% TO ABOUT 3% BY WEIGHT OF AN ALIPHATIC COMPOUND HAVING 3-10 CARBON ATOMS PER MOLECULE AND CONTAINING A HALOGEN ATOM AND EPOXY-OXYGEN ATOM, THE AMOUNT OF SAID COMPOUND BEING SUFFICIENT TO IMPROVE THE WATER RESISTANT CHARACTERISTIC OF THE GREASE.
Claim 2
Dependent Claim
76 words
A GREASE COMPOSITION CONSISTING ESSENTIALLY OF A HYDROCARBON LUBRICATING OIL, A GREASE-FORMING PROPORTION OF AN INORGANIC HYDROPHILIC COLLODIAL GELLING AGENT OF THE GROUP CONSISTING OF INORGANIC OXIDES, HYDROXIDES, SULFIDES, SULFATES, SILICATES AND CARBONATES, AND FROM ABOUT 0.01% TO ABOUT 3% BY WEIGHT OF AN ALIPHATIC COMPOUND HAVING 3-10 CARBON ATOMS PER MOLECULE AND CONTAINING A HALOGEN ATOM AND EPOXY-OXYGEN ATOM, THE AMOUNT OF SAID COMPOUND BEING SUFFICIENT TO IMPROVE THE WATER RESISTANT CHARACTERISTIC OF THE GREASE.
References Cited (Backward Citations)
US2739121A
Cited
US2748081A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-26 | 1961-11-25 | 1962-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-26 | 1965-11-25 | 1966-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-26 | 1969-11-25 | 1970-05-27 | $7700.00 | Window Closed / Lapsed |