Patent US2763615A successfully refreshed from Google Patents.
US2763615A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carboxylic acid derivatives and lubricants containing them
Assignee: Monsanto Chemicals Ltd
•
Filing: 1953-04-16
•
Granted: 1956-09-18
•
Expires: 1973-04-16
Abstract
No abstract record available.
Inventors
- 👤 Harry W Faust
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:56
CPC Classifications
C; C10; C10M; C10M135/00; C10M135/08; C10M135/10; C10M2201/00; C10M2201/04; C10M2201/041; C10M2201/042; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2219/00; C10M2219/02; C10M2219/022; C10M2219/04; C10M2219/046; 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: 4
Claim 1
Independent Claim
53 words
A COMPOSITION COMRISING A HYDROCARBON LUBRICATING OIL AND DISSOLVED THEREIN FROM 0.25% TO 75% BY WEIGHT BASED ON THE OIL OF THE OIL-SOLUBLE REACTION PRODUCT OBTAINED BY REACTING SUBSTANTIALLY EQUINOLECULAR PROPORTIONS OF A LOW MOLECULAR WEIGHT ALIPHATIC MONO-CARBOXYLIC ACID WITH A BASIC BARIUM SALT OF A LONG CHAIN ALKYL SUBSTITUTED ARYL SULFONIC ACID.
Claim 2
Dependent Claim
53 words
A COMPOSITION COMRISING A HYDROCARBON LUBRICATING OIL AND DISSOLVED THEREIN FROM 0.25% TO 75% BY WEIGHT BASED ON THE OIL OF THE OIL-SOLUBLE REACTION PRODUCT OBTAINED BY REACTING SUBSTANTIALLY EQUINOLECULAR PROPORTIONS OF A LOW MOLECULAR WEIGHT ALIPHATIC MONO-CARBOXYLIC ACID WITH A BASIC BARIUM SALT OF A LONG CHAIN ALKYL SUBSTITUTED ARYL SULFONIC ACID.
Claim 3
Dependent Claim
32 words
THE OIL-SOLUBLE REACTION PRODUCT OBTAINED BY REACTING IN SUBSTANTIALLY EQUIMOLECULAR PROPORTIONS A LOW MOLECULAR WEIGHT ALIPHATIC MON-CARBOXYLIC ACID WITH A BASIC BARIUM SALT OF A LONG CHAIN ALKYL SUBSTITUTED ARYL SULFONIC ACID.
Claim 4
Dependent Claim
32 words
THE OIL-SOLUBLE REACTION PRODUCT OBTAINED BY REACTING IN SUBSTANTIALLY EQUIMOLECULAR PROPORTIONS A LOW MOLECULAR WEIGHT ALIPHATIC MON-CARBOXYLIC ACID WITH A BASIC BARIUM SALT OF A LONG CHAIN ALKYL SUBSTITUTED ARYL SULFONIC ACID.
References Cited (Backward Citations)
USRE23082E
Cited
US2444970A
Cited
US2417433A
Cited
US2459995A
Cited
US2595556A
Cited
US2617049A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-18 | 1960-03-19 | 1960-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-18 | 1964-03-19 | 1964-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-18 | 1968-03-19 | 1968-09-18 | $7700.00 | Window Closed / Lapsed |