US3281358A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrocarbon compositions containing anti-wear additives
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1963-06-20
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Granted: 1966-10-25
•
Expires: 1983-06-20
Abstract
No abstract record available.
Inventors
- 👤 Michael J Furey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:50
CPC Classifications
C; C10; C10L; C10L10/00; C10L10/08; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/221; C10M; C10M133/00; C10M133/02; C10M133/04; C10M133/06; C10M133/08; C10M133/16; C10M2207/00; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2207/34; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/084; C10M2209/086; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2215/06; C10M2215/064; C10M2215/065; C10M2215/24; C10M2215/26; C10M2219/00; C10M2219/02; C10M2219/024; C10M2219/04; C10M2219/044; C10M2219/08; C10M2219/082; C10M2219/087; C10M2219/088; C10M2219/089; C10M2219/10; C10M2219/104; C10M2219/108; C10N; C10N2040/00; C10N2040/02; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
AN OLEPHILIC LIQUID COMPOSITION OF IMPROVED LUBRICITY COMPRISING A MAJOR AMOUNT OF AN OLEOPHILIC LIQUID SELECTED FROM THE GROUP CONSISTING OF LUBRICATING OIL AND NORMALLY LIQUID HYDROCARBON FUEL, AND DISSOLVED THEREIN ABOUT 0.001 TO 4.9% BY WEIGHT OF A LUBRICITY ADDITIVE WHICH REDUCES FRICTION AND HAS A MOLECULAR WEIGHT OF LESS THAN 950, WHICH IS A REACTION PRODUCT OF EQUI-MOLAR AMOUNTS OF AN UNSATURATED HYDROCARBON DICARBOXYLIC ACID CONTAINING 9 TO 42 CARBON ATOMS BETWEEN THE CARBOXYLIC ACIDS GROUPS, AND AN AMINE SELECTED FROM THE GROUP CONSISTING OF LOWER ALKYLENE DIAMINES AND HYDROXY HYDROCARBON AMINES CONTAINING 2 TO 20 CARBON ATOMS.
Claim 2
Dependent Claim
100 words
AN OLEPHILIC LIQUID COMPOSITION OF IMPROVED LUBRICITY COMPRISING A MAJOR AMOUNT OF AN OLEOPHILIC LIQUID SELECTED FROM THE GROUP CONSISTING OF LUBRICATING OIL AND NORMALLY LIQUID HYDROCARBON FUEL, AND DISSOLVED THEREIN ABOUT 0.001 TO 4.9% BY WEIGHT OF A LUBRICITY ADDITIVE WHICH REDUCES FRICTION AND HAS A MOLECULAR WEIGHT OF LESS THAN 950, WHICH IS A REACTION PRODUCT OF EQUI-MOLAR AMOUNTS OF AN UNSATURATED HYDROCARBON DICARBOXYLIC ACID CONTAINING 9 TO 42 CARBON ATOMS BETWEEN THE CARBOXYLIC ACIDS GROUPS, AND AN AMINE SELECTED FROM THE GROUP CONSISTING OF LOWER ALKYLENE DIAMINES AND HYDROXY HYDROCARBON AMINES CONTAINING 2 TO 20 CARBON ATOMS.
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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) | 1969-10-24 | 1970-04-25 | 1970-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-24 | 1974-04-25 | 1974-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-24 | 1978-04-25 | 1978-10-25 | $7700.00 | Window Closed / Lapsed |