US3250709A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mixed salt lubricants containing asphalt to eliminate haze
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1964-08-31
•
Granted: 1966-05-10
•
Expires: 1984-08-31
Abstract
No abstract record available.
Inventors
- 👤 Arnold J Morway
- 👤 Ralph E Darley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:54
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2201/00; C10M2201/08; C10M2201/082; C10M2201/083; C10M2203/00; C10M2203/10; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/122; C10M2207/123; C10M2207/125; C10M2207/129; C10M2207/22; C10M2207/40; C10M2207/404; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/06; C10M2215/062; C10M2215/064; C10M2215/065; C10M2215/086; C10M2215/12; C10M2215/24; C10M2215/26; C10M2215/28; C10M2217/00; C10M2217/04; C10M2217/046; C10M2217/06; C10M2223/00; C10M2223/12; C10M2225/00; C10M2225/04; C10M2225/041; C10M2227/00; C10M2227/08; C10N; C10N2010/00; C10N2010/04; C10N2070/00; C10N2070/02
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
90 words
A HAZE-FREE TRANSPARENT FLUID LUBRICATING COMPOSITION COMPRISING A MAJOR AMOUNT OF MINERAL LUBRICATING OIL CONTAINING ABOUT 2 TO 20 WT. PERCENT OF ALKALINE EARTH METAL MIXED SALT OF C2 TO C4 FATTY ACID AND C14 TO C30 FATTY ACID IN A RELATIVE MOLAR RATIO OF ABOUT 2 TO 8 MOLAR EQUIVALENT PROPORTIONS OF SAID C2 TO C4 FATTY ACID PER MOLE EQUIVALENT OF SAID C14 TO C30 FATTY ACID, ABOUT 0.1 TO 7.0 WT. PERCENT OF A LUBRICATING OIL SLUDGE DISPERSANT, AND ABOUT .001 TO 0.2 WT. PERCENT OF ASPHALT.
Claim 2
Dependent Claim
90 words
A HAZE-FREE TRANSPARENT FLUID LUBRICATING COMPOSITION COMPRISING A MAJOR AMOUNT OF MINERAL LUBRICATING OIL CONTAINING ABOUT 2 TO 20 WT. PERCENT OF ALKALINE EARTH METAL MIXED SALT OF C2 TO C4 FATTY ACID AND C14 TO C30 FATTY ACID IN A RELATIVE MOLAR RATIO OF ABOUT 2 TO 8 MOLAR EQUIVALENT PROPORTIONS OF SAID C2 TO C4 FATTY ACID PER MOLE EQUIVALENT OF SAID C14 TO C30 FATTY ACID, ABOUT 0.1 TO 7.0 WT. PERCENT OF A LUBRICATING OIL SLUDGE DISPERSANT, AND ABOUT .001 TO 0.2 WT. PERCENT OF ASPHALT.
Claim 3
Dependent Claim
94 words
A LUBRICANT ACCORDING TO CLAIM 1, WHEREIN SAID DISPERSANT IS SELECTED FROM THE GROUP CONSISTING OF PHOSPHOSULFURIZED POLYMERS OF C2 TO C6 MONOOLEFINS HAVING A MOLECULAR WEIGHT OF ABOUT 600 TO 4,000 STAUDINGER, ALKALINE EARTH METAL SALTS OF SAID POLYMERS, AMINO ALKAYL PHENOLS, ALKALINE EARTH METAL SALTS OF SAID AMINO ALKYL PHENOLS, POLYISOBUTYLENE SUCCINIC ACID HAVING A POLYISOBUTYLENE GROUP OF ABOUT 700 TO 1200 MOLECULAR WEIGHT, ALKALINE EARTH METAL SALTS OF SAID ACID, CONDENSATION PRODUCTS OF SAID ACID AND POLYAMINE, AND ALKALINE EARTH METAL ALKYL ARYL SULFONATES OF ABOUT 300 TO 700 MOLECULAR WEIGHT.
References Cited (Backward Citations)
US3125521A
Cited
US1708563A
Cited
US2104097A
Cited
US2353491A
Cited
US2976242A
Cited
GB922831A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-09 | 1969-11-08 | 1970-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-09 | 1973-11-08 | 1974-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-09 | 1977-11-08 | 1978-05-10 | $7700.00 | Window Closed / Lapsed |