Patent US2991249A successfully refreshed from Google Patents.
US2991249A
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Grease composition containing an imidazoline
Assignee: ExxonMobil Oil Corp
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Filing: 1960-01-12
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Granted: 1961-07-04
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Expires: 1980-01-12
Abstract
No abstract record available.
Inventors
- 👤 Jr Harry J Andress
- 👤 Richard A Butcosk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:52
CPC Classifications
C; C10; C10M; C10M169/00; C10M169/06; C07; C07D; C07D233/00; C07D233/04; C07D233/06; C07D233/08; C07D233/12; C07D233/16; C10M2201/00; C10M2201/06; C10M2201/065; C10M2201/066; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/022; C10M2207/023; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2207/16; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/284; C10M2207/285; C10M2207/286; C10M2207/40; C10M2207/404; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/08; C10M2215/082; C10M2215/22; C10M2215/223; C10M2215/224; C10M2215/24; C10M2215/26; C10M2215/28; C10M2217/00; C10M2217/04; C10M2217/046; C10M2217/06; C10M2219/00; C10M2219/02; C10M2219/024; C10M2219/04; C10M2219/044; C10M2219/08; C10M2219/082; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2040/00; C10N2040/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A GREASE COMPOSITION COMPRISING: A MINERAL OIL OF LUBRICATING VISCOSITY, A SOAP THICKENING AGENT IN AN AMOUNT SUFFICIENT TO THICKEN SAID MINERAL OIL TO A GREASE, SAID SOAP THICKENING AGENT BEING SELECTED FROM THE GROUP CONSISTING OF A LITHIUM SOAP, A CALCIUM SOAP AND MIXTURES OF LITHIUM AND CALCIUM SOAPS OF AN ALIPHATIC MONOCARBOXYLIC ACID HAVING FROM ABOUT FOURTEEN TO ABOUT TWENTYTWO CARBON ATOMS PER MOLECULE, AND FROM ABOUT ONE TO ABOUT THREE PERCENT BY WEIGHT OF AN IMIDAZOLINE SELECTED FROM THE GROUP REPRESENTED BY THE GENERAL FORMULAE
Claim 2
Dependent Claim
88 words
A GREASE COMPOSITION COMPRISING: A MINERAL OIL OF LUBRICATING VISCOSITY, A SOAP THICKENING AGENT IN AN AMOUNT SUFFICIENT TO THICKEN SAID MINERAL OIL TO A GREASE, SAID SOAP THICKENING AGENT BEING SELECTED FROM THE GROUP CONSISTING OF A LITHIUM SOAP, A CALCIUM SOAP AND MIXTURES OF LITHIUM AND CALCIUM SOAPS OF AN ALIPHATIC MONOCARBOXYLIC ACID HAVING FROM ABOUT FOURTEEN TO ABOUT TWENTYTWO CARBON ATOMS PER MOLECULE, AND FROM ABOUT ONE TO ABOUT THREE PERCENT BY WEIGHT OF AN IMIDAZOLINE SELECTED FROM THE GROUP REPRESENTED BY THE GENERAL FORMULAE
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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) | 1964-07-03 | 1965-01-02 | 1965-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-03 | 1969-01-02 | 1969-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-03 | 1973-01-02 | 1973-07-04 | $7700.00 | Window Closed / Lapsed |