US2860104A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High temperature inorganic gel grease compositions
Assignee: Shell Development Co
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Filing: 1955-08-29
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Granted: 1958-11-11
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Expires: 1975-08-29
Abstract
No abstract record available.
Inventors
- 👤 Walter H Peterson
- 👤 Stanley T Abrams
- 👤 Fred H Stross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:12
CPC Classifications
C; C10; C10M; C10M5/00; C10M2201/00; C10M2201/06; C10M2201/062; C10M2201/063; C10M2201/065; C10M2201/087; C10M2201/10; C10M2201/102; C10M2201/103; C10M2201/105; C10M2201/14; C10M2203/00; C10M2203/02; C10M2203/022; C10M2203/024; C10M2203/04; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/04; C10M2207/046; C10M2207/10; C10M2207/24; C10M2207/28; C10M2207/282; C10M2207/34; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/104; C10M2209/105; C10M2209/107; C10M2209/108; C10M2209/109; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/06; C10M2215/064; C10M2215/065; C10M2215/24; C10M2215/26; C10M2219/00; C10M2219/04; C10M2219/042; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10M2223/042; C10M2223/06; C10M2223/065; C10M2227/00; C10M2227/02; C10M2227/06; C10N; C10N2010/00; C10N2010/04; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
A GREASE COMPOSITION CONSISTING ESSENTIALLY OF A MAJOR AMOUNT OF A MINERAL LUBRICATING OIL CONTAINING 1 TO 25% BY WEIGHT, BASED ON THE TOTAL GREASE, OF CARBOCYCLIC HYDROCARGONS HAVING MOLECULAR WEIGHTS WITHIN THE RANGE OF FROM ABOUT 300 TO ABOUT 750, A GREASE FORMING PORPORTION OF A GREASE-FORMING GEL OF THE GROUP CONSISTING OF AMORPHOUS INORGANIC COLLORIDE PREDOMINATING IN SILICA, HECTORITE AND BENTONITE CLAYS HAVING ADSORBED ON THE SURFACE THEREOF A HYDROHOBING PROPORTION OF A SATIONIC HYDROPHOBIC SURFACE ACTIVE AGENT, AND ONIUM HECTORITE AND BENTONITE CLAYS, AND BETWEEN ABOUT 0.5% AND ABOUT 20% BY WEIGHT OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF ZINCE OXIDE, ZINC HYDROXIDE, ZINC BORATE AND ZINC CARBONATE.
Claim 2
Dependent Claim
113 words
A GREASE COMPOSITION CONSISTING ESSENTIALLY OF A MAJOR AMOUNT OF A MINERAL LUBRICATING OIL CONTAINING 1 TO 25% BY WEIGHT, BASED ON THE TOTAL GREASE, OF CARBOCYCLIC HYDROCARGONS HAVING MOLECULAR WEIGHTS WITHIN THE RANGE OF FROM ABOUT 300 TO ABOUT 750, A GREASE FORMING PORPORTION OF A GREASE-FORMING GEL OF THE GROUP CONSISTING OF AMORPHOUS INORGANIC COLLORIDE PREDOMINATING IN SILICA, HECTORITE AND BENTONITE CLAYS HAVING ADSORBED ON THE SURFACE THEREOF A HYDROHOBING PROPORTION OF A SATIONIC HYDROPHOBIC SURFACE ACTIVE AGENT, AND ONIUM HECTORITE AND BENTONITE CLAYS, AND BETWEEN ABOUT 0.5% AND ABOUT 20% BY WEIGHT OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF ZINCE OXIDE, ZINC HYDROXIDE, ZINC BORATE AND ZINC CARBONATE.
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) | 1961-11-10 | 1962-05-12 | 1962-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-10 | 1966-05-12 | 1966-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-10 | 1970-05-12 | 1970-11-11 | $7700.00 | Window Closed / Lapsed |