US2762773A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mineral oil compositions
Assignee: Monsanto Chemicals Ltd
•
Filing: 1953-05-22
•
Granted: 1956-09-11
•
Expires: 1973-05-22
Abstract
No abstract record available.
Inventors
- 👤 Jr John F Palmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:54
CPC Classifications
C; C10; C10M; C10M159/00; C10M159/12; C10M159/20; C10M159/24; C07; C07C; C07C51/00; C07C51/15; C07F; C07F3/00; C07F3/003; C10M159/22; C10M2201/00; C10M2201/04; C10M2201/041; C10M2201/042; C10M2203/00; C10M2203/10; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/027; C10M2207/028; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2219/00; C10M2219/02; C10M2219/022; C10M2219/04; C10M2219/044; C10M2219/046; C10M2219/08; C10M2219/082; C10M2219/087; C10M2219/088; C10M2219/089; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/045; C10M2223/12; C10M2225/00; C10M2225/04; C10M2227/00; C10M2227/09; C10N; C10N2010/00; C10N2010/04; C10N2070/00; C10N2070/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
A LUBRICATING COMPOSITION COMPRISING A MINERAL OIL FRACTION OF LUBRICATING VISCOSITY HAVING DISSOLVED THEREIN (A) 0.1 TO 10% BY WEIGHT BASED ON THE MINERAL OIL OF THE OIL-SOLUBLE PRODUCT OBTAINED BY REACTING IN SUBSTANTIALLY EQUIMOLECULAR PROPORTIONS CARBON DIOXIDE AND A BARIUM 2,4-DIALKYL PHENATE WHEREIN THE ALKYL SUBSTITUENTS CONTAIN FROM 5 TO 10 CARBON ATOMS AND (B) 0.1 TO 10% BY WEIGHT BASED ON THE MINERAL OIL OF THE OIL-SOLUBLE PRODUCT OBTAINED BY REACTING SUBSTANTIALLY ONE MOLECULAR PROPORTION OF CARBON DIOXIDE WITH SUBSTANTIALLY TWO CHEMICAL EQUIVALENTS OF A BASIC BARIUM SALT OF A LONG CHAIN ALKYL SUBSTITUTED ARYL SULFONIC ACID, THE SAID LONG CHAIN ALKYL SUBSTITUENTS CONTAINING AT LEAST 8 CARBON ATOMS.
Claim 2
Dependent Claim
111 words
A LUBRICATING COMPOSITION COMPRISING A MINERAL OIL FRACTION OF LUBRICATING VISCOSITY HAVING DISSOLVED THEREIN (A) 0.1 TO 10% BY WEIGHT BASED ON THE MINERAL OIL OF THE OIL-SOLUBLE PRODUCT OBTAINED BY REACTING IN SUBSTANTIALLY EQUIMOLECULAR PROPORTIONS CARBON DIOXIDE AND A BARIUM 2,4-DIALKYL PHENATE WHEREIN THE ALKYL SUBSTITUENTS CONTAIN FROM 5 TO 10 CARBON ATOMS AND (B) 0.1 TO 10% BY WEIGHT BASED ON THE MINERAL OIL OF THE OIL-SOLUBLE PRODUCT OBTAINED BY REACTING SUBSTANTIALLY ONE MOLECULAR PROPORTION OF CARBON DIOXIDE WITH SUBSTANTIALLY TWO CHEMICAL EQUIVALENTS OF A BASIC BARIUM SALT OF A LONG CHAIN ALKYL SUBSTITUTED ARYL SULFONIC ACID, THE SAID LONG CHAIN ALKYL SUBSTITUENTS CONTAINING AT LEAST 8 CARBON ATOMS.
References Cited (Backward Citations)
US2252664A
Cited
US2402448A
Cited
US2493216A
Cited
US2501732A
Cited
US2606872A
Cited
US2617049A
Cited
US2695910A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-11 | 1960-03-12 | 1960-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-11 | 1964-03-12 | 1964-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-11 | 1968-03-12 | 1968-09-11 | $7700.00 | Window Closed / Lapsed |