US2698298A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricating greases containing an acidic copolymer salt
Assignee: ExxonMobil Oil Corp
•
Filing: 1951-03-15
•
Granted: 1954-12-28
•
Expires: 1971-03-15
Abstract
No abstract record available.
Inventors
- 👤 John J Giammaria
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:37
CPC Classifications
C; C10; C10M; C10M5/00; C10M2201/00; C10M2201/04; C10M2201/041; C10M2201/10; C10M2201/102; C10M2201/103; C10M2201/105; C10M2205/00; C10M2205/02; C10M2205/022; C10M2205/024; C10M2205/026; C10M2205/14; C10M2205/20; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/026; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/122; C10M2207/125; C10M2207/129; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/284; C10M2207/285; C10M2207/286; C10M2207/34; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/084; C10M2209/086; C10M2209/10; C10M2209/102; C10M2209/103; C10M2209/104; C10M2209/105; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/064; C10M2215/065; C10M2217/00; C10M2217/04; C10M2217/044; C10M2217/045; C10M2219/00; C10M2219/02; C10M2219/024; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/041; C10M2229/05; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2010/06; C10N2010/08; C10N2040/00; C10N2040/02; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
A GREASE COMPRISING A MINERAL LUBRICATING OIL FRACTION AND A SALT IN AN AMOUNT SUFFICIENT TO THICKEN SAID OIL FRACTION TO FORM A GREASE, SAID SALT BEING A SALT OF AN ACIDIC COPOLYMER OF AN ALIPHATIC COMPOUND HAVING A TERMINAL VINYL GROUP AND AN ALKYL RADICAL HAVING FROM TEN TO THIRTY CARBON ATOMS AND AN ALPHA, BETA UNSATURATED POLYCARBOXYLIC ACID, THE METAL OF SAID SALT BEING SELECTED FROM THE GROUP CONSISTING OF METALS OF GROUPS I, II AND III OF THE PERIODIC SYSTEM, AND SAID ACIDIC COPOLYMER HAVING A MOLEJCULAR WEIGHT OF ABOUT 1000 TO ABOUT 2000.
Claim 2
Dependent Claim
97 words
A GREASE COMPRISING A MINERAL LUBRICATING OIL FRACTION AND A SALT IN AN AMOUNT SUFFICIENT TO THICKEN SAID OIL FRACTION TO FORM A GREASE, SAID SALT BEING A SALT OF AN ACIDIC COPOLYMER OF AN ALIPHATIC COMPOUND HAVING A TERMINAL VINYL GROUP AND AN ALKYL RADICAL HAVING FROM TEN TO THIRTY CARBON ATOMS AND AN ALPHA, BETA UNSATURATED POLYCARBOXYLIC ACID, THE METAL OF SAID SALT BEING SELECTED FROM THE GROUP CONSISTING OF METALS OF GROUPS I, II AND III OF THE PERIODIC SYSTEM, AND SAID ACIDIC COPOLYMER HAVING A MOLEJCULAR WEIGHT OF ABOUT 1000 TO ABOUT 2000.
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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) | 1957-12-27 | 1958-06-28 | 1958-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-27 | 1962-06-28 | 1962-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-27 | 1966-06-28 | 1966-12-28 | $7700.00 | Window Closed / Lapsed |