US3352782A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricating compositions containing polyamine salts
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1963-11-22
•
Granted: 1967-11-14
•
Expires: 1983-11-22
Abstract
No abstract record available.
Inventors
- 👤 Brasch Jay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:35
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2201/00; C10M2201/08; C10M2201/082; C10M2201/083; C10M2207/00; C10M2207/28; C10M2207/282; C10M2207/287; C10M2207/289; C10M2207/30; C10M2207/34; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/064; C10M2215/065; C10M2219/00; C10M2219/04; C10M2219/044; C10M2219/10; C10M2219/104; C10M2219/108; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10M2223/045; C10M2225/00; C10M2225/04; C10M2225/041; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/05; C10N; C10N2010/00; C10N2010/04
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
79 words
A PROCESS FOR PREPARING AN OIL-SOLUBLE ADDITIVE HAVING SLUDGE DISPERSING PROPERTIES WHICH COMPRISES REACTING 1 MOLE OF THE CHLOROSULFATE OF A C2 TO C5 OLEFIN POLYMER HAVING A TOTAL OF FROM 30 TO 250 CARBON ATOMS WITH FROM ABOUT 0.25 TO 3.0 MOLES OF POLYAMINE AT A TEMPERATURE IN THE RANGE OF FROM 0 TO 200*C. FOR FROM ABOUT 0.5 TO 10 HOURS, SAID POLYAMINE BEING SELECTED FROM THE GROUP CONSISTING OF ETHYLENE DIAMINE, AN AMINE OF THE FORMULA:
Claim 2
Dependent Claim
79 words
A PROCESS FOR PREPARING AN OIL-SOLUBLE ADDITIVE HAVING SLUDGE DISPERSING PROPERTIES WHICH COMPRISES REACTING 1 MOLE OF THE CHLOROSULFATE OF A C2 TO C5 OLEFIN POLYMER HAVING A TOTAL OF FROM 30 TO 250 CARBON ATOMS WITH FROM ABOUT 0.25 TO 3.0 MOLES OF POLYAMINE AT A TEMPERATURE IN THE RANGE OF FROM 0 TO 200*C. FOR FROM ABOUT 0.5 TO 10 HOURS, SAID POLYAMINE BEING SELECTED FROM THE GROUP CONSISTING OF ETHYLENE DIAMINE, AN AMINE OF THE FORMULA:
Claim 3
Dependent Claim
30 words
A LUBRICATING OIL COMPOSITION COMPRISING A MAJOR AMOUNT OF A LUBRICATING OIL AND FROM 0.001 TO 20 WT. PERCENT OF AN OIL-SOLUBLE ADDITIVE PREPARED BY THE PROCESS FOF CLAIM 1.
References Cited (Backward Citations)
US2367468A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-13 | 1971-05-15 | 1971-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-13 | 1975-05-15 | 1975-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-13 | 1979-05-15 | 1979-11-14 | $7700.00 | Window Closed / Lapsed |