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US3243372A
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Greases thickened with polyurea
Assignee: Chevron USA Inc
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Filing: 1965-03-16
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Granted: 1966-03-29
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Expires: 1985-03-16
Abstract
No abstract record available.
Inventors
- 👤 John L Dreher
- 👤 Judson E Goodrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:48
CPC Classifications
C; C10; C10M; C10M119/00; C10M119/24; C07; C07C; C07C273/00; C07C273/18; C07C273/1809; C07C273/1818; C07C273/1827; C10M2201/00; C10M2201/06; C10M2201/065; C10M2201/066; C10M2201/087; C10M2203/00; C10M2203/02; C10M2203/022; C10M2203/024; C10M2203/04; C10M2203/06; C10M2205/00; C10M2205/02; C10M2205/024; C10M2205/026; C10M2207/00; C10M2207/04; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2207/287; C10M2207/289; C10M2207/34; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/105; C10M2209/108; C10M2215/00; C10M2215/10; C10M2215/102; C10M2217/00; C10M2217/02; C10M2217/022; C10M2217/026; C10M2217/04; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/042; C10M2227/00; C10M2227/02; C10M2229/00; C10M2229/04; C10M2229/041; C10M2229/043; C10M2229/044; C10M2229/045; C10M2229/046; C10M2229/047; C10M2229/048; C10N; C10N2030/00; C10N2030/08; C10N2040/00; C10N2040/12; C10N2040/13; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
29 words
A GREASE COMPOSITION COMPRISING AN OIL OF LUBRICATING VISCOSITY AND IN AN AMOUNT SUFFICIENT TO THICKEN SAID OIL TO THE CONSISTENCY OF A GREASE, A POLYUREA OF THE FORMULA
Claim 2
Dependent Claim
29 words
A GREASE COMPOSITION COMPRISING AN OIL OF LUBRICATING VISCOSITY AND IN AN AMOUNT SUFFICIENT TO THICKEN SAID OIL TO THE CONSISTENCY OF A GREASE, A POLYUREA OF THE FORMULA
References Cited (Backward Citations)
US2832739A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-28 | 1969-09-27 | 1970-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-28 | 1973-09-27 | 1974-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-28 | 1977-09-27 | 1978-03-29 | $7700.00 | Window Closed / Lapsed |