US3222279A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricant compositions
Assignee: Shell USA Inc
•
Filing: 1963-06-25
•
Granted: 1965-12-07
•
Expires: 1983-06-25
Abstract
No abstract record available.
Inventors
- 👤 Donald E Loeffler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:31
CPC Classifications
C; C10; C10M; C10M169/00; C10M169/02; C10M2201/00; C10M2201/14; C10M2207/00; C10M2207/28; C10M2207/282; C10M2207/34; C10M2211/00; C10M2211/02; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2215/24; C10M2215/26; C10M2217/00; C10M2217/04; C10M2217/042; C10M2217/043; C10M2217/044; C10M2217/045; C10M2217/046; C10M2217/06; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10M2227/00; C10M2227/04; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/041; C10M2229/043; C10M2229/044; C10M2229/05; C10M2229/051; C10N; C10N2020/00; C10N2020/01; C10N2030/00; C10N2030/08; C10N2040/00; C10N2040/12; C10N2040/13; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
A GREASE COMPOSITION CONSISTING ESSENTIALLY OF A MAJOR AMOUNT OF A LUBRICATING BASE OIL GELLED TO A GREASE CONSISTENCY WITH A COLLOIDALLY DISPERSED CLAY, SAID CLAY BEARING ON THE SURFACES THEREOF FROM AT LEAST ABOUT 0.7 TO ABOUT 5 PARTS BY WEIGHT, BASIS DRY CLAY, OF A POLYEPOXIDE RESIN PRODUCED BY CURING A POLYEPOXIDE POSSESSING MORE THAN ONE VIC-EPOXY GROUP WITH AN ORGANIC AMINE CURING AGENT, THE RATIO OF ORGANIC AMINE POLYEPOXIDE BEING FROM 0.5 TO 5 TIMES THE STOICHIOMETRIC AMOUNT REQUIRED TO REACT COMPLETELY THE POLYEPOXIDE SAID RESIN HAVING FORMED IN THE PRESENCE OF A MINERAL ACID IN AN AMOUNT AT LEAST SUFFICIENT TO ACIDIFY THE SURFACES OF THE CLAY.
Claim 2
Dependent Claim
111 words
A GREASE COMPOSITION CONSISTING ESSENTIALLY OF A MAJOR AMOUNT OF A LUBRICATING BASE OIL GELLED TO A GREASE CONSISTENCY WITH A COLLOIDALLY DISPERSED CLAY, SAID CLAY BEARING ON THE SURFACES THEREOF FROM AT LEAST ABOUT 0.7 TO ABOUT 5 PARTS BY WEIGHT, BASIS DRY CLAY, OF A POLYEPOXIDE RESIN PRODUCED BY CURING A POLYEPOXIDE POSSESSING MORE THAN ONE VIC-EPOXY GROUP WITH AN ORGANIC AMINE CURING AGENT, THE RATIO OF ORGANIC AMINE POLYEPOXIDE BEING FROM 0.5 TO 5 TIMES THE STOICHIOMETRIC AMOUNT REQUIRED TO REACT COMPLETELY THE POLYEPOXIDE SAID RESIN HAVING FORMED IN THE PRESENCE OF A MINERAL ACID IN AN AMOUNT AT LEAST SUFFICIENT TO ACIDIFY THE SURFACES OF THE CLAY.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-06 | 1969-06-07 | 1969-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-06 | 1973-06-07 | 1973-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-06 | 1977-06-07 | 1977-12-07 | $7700.00 | Window Closed / Lapsed |