US2742430A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Concentrates useful as additives in mineral oil compositions and mineral oil compositions containing same
Assignee: TIDE WATER ASSOCIATED OIL Co
•
Filing: 1953-01-15
•
Granted: 1956-04-17
•
Expires: 1973-01-15
Abstract
No abstract record available.
Inventors
- 👤 Jr Joseph J Mcbride
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:27
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/084; C10M2223/00; C10M2223/12; C10M2225/00; C10M2225/04; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/05; C10N; C10N2070/00; C10N2070/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
A COMPOSITION COMPRISING A MINERAL OIL IN MAJOR AMOUNT BASED ON THE WEIGHT OF THE COMPOSITION AND A SMALL AMOUNT, SUFFICIENT TO INHIBIT SAID COMPOSITION AGAINST THE TENDENCY TO OXIDIZE AND CORRODE METALS IN CONTACT THEREWITH, OF AN OIL-SOLUBLE PHOSPHORUS-, SULFUR-, AND NITROGEN-CONTAINING ADDITION PRODUCT OF (A) A NITRILE OF AN ACID FROM THE GROUP CONSISTING OF PROPENOIC ACID AND RELATIVELY LOW MOLECULAR WEIGHT ALKYL-SUBSTITUTED PROPENOIC ACID AND (B) AN ACIDIC PHOSPHOROUS-, AND SULFURCONTAINING PRODUCT OF REACTION BETWEEN A PHOSPHORUS SULFIDE AND A HYDROCARBON.
Claim 2
Dependent Claim
84 words
A COMPOSITION COMPRISING A MINERAL OIL IN MAJOR AMOUNT BASED ON THE WEIGHT OF THE COMPOSITION AND A SMALL AMOUNT, SUFFICIENT TO INHIBIT SAID COMPOSITION AGAINST THE TENDENCY TO OXIDIZE AND CORRODE METALS IN CONTACT THEREWITH, OF AN OIL-SOLUBLE PHOSPHORUS-, SULFUR-, AND NITROGEN-CONTAINING ADDITION PRODUCT OF (A) A NITRILE OF AN ACID FROM THE GROUP CONSISTING OF PROPENOIC ACID AND RELATIVELY LOW MOLECULAR WEIGHT ALKYL-SUBSTITUTED PROPENOIC ACID AND (B) AN ACIDIC PHOSPHOROUS-, AND SULFURCONTAINING PRODUCT OF REACTION BETWEEN A PHOSPHORUS SULFIDE AND A HYDROCARBON.
References Cited (Backward Citations)
US2593496A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-17 | 1959-10-17 | 1960-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-17 | 1963-10-17 | 1964-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-17 | 1967-10-17 | 1968-04-17 | $7700.00 | Window Closed / Lapsed |