US2779740A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mineral oil lubricating compositions
Assignee: Tidewater Oil Co
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Filing: 1953-11-25
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Granted: 1957-01-29
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Expires: 1973-11-25
Abstract
No abstract record available.
Inventors
- 👤 Nicholas V Messina
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:13
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2203/00; C10M2203/06; C10M2205/00; C10M2205/02; C10M2205/026; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/123; C10M2207/129; C10M2207/22; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/06; C10M2215/064; C10M2215/065; C10M2215/24; C10M2215/26; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/05; C10N; C10N2040/00; C10N2040/135
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
A MINERAL OIL LUBRICATING COMPOSITION COMPRISING A MINERAL OIL OF LUBRICATING GRADE IN MAJOR AMOUNT BASED ON THE WIEGHT OF THE COMPOSITION, A SMALL AMOUNT, SUFFICIENT TO IMPART RUST-PREVENTIVE PROPERTIES TO SAID COMPOSITION, OF AN OIL-SOLUBLE RUST-INHIBITING ALKENYLATED SUCCINIC ACID HAVING A MOLECULAR WEIGHT OF ABOUT 400, A SMALL AMOUNT, SUFFICIENT TO IMPART ANTI-OXIDANT PROPERTIES TO SAID COMPOSITION, OF AN OIL-SOLUBLE ANTI-OXIDANT PHENYL NAPHTHYLAMINE, AND A SMALL AMOUNT, SUFFICIENT TO INHIBIT SAID COMPOSITION AGAINST FORMATION OF RELATIVELY STABLE EMULSIONS WITH WATER, OF AN OIL-SOLUBLE ALKYL AMINE HAVING FROM 4 TO 18 CARBON ATOMS.
Claim 2
Dependent Claim
93 words
A MINERAL OIL LUBRICATING COMPOSITION COMPRISING A MINERAL OIL OF LUBRICATING GRADE IN MAJOR AMOUNT BASED ON THE WIEGHT OF THE COMPOSITION, A SMALL AMOUNT, SUFFICIENT TO IMPART RUST-PREVENTIVE PROPERTIES TO SAID COMPOSITION, OF AN OIL-SOLUBLE RUST-INHIBITING ALKENYLATED SUCCINIC ACID HAVING A MOLECULAR WEIGHT OF ABOUT 400, A SMALL AMOUNT, SUFFICIENT TO IMPART ANTI-OXIDANT PROPERTIES TO SAID COMPOSITION, OF AN OIL-SOLUBLE ANTI-OXIDANT PHENYL NAPHTHYLAMINE, AND A SMALL AMOUNT, SUFFICIENT TO INHIBIT SAID COMPOSITION AGAINST FORMATION OF RELATIVELY STABLE EMULSIONS WITH WATER, OF AN OIL-SOLUBLE ALKYL AMINE HAVING FROM 4 TO 18 CARBON ATOMS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-29 | 1960-07-30 | 1961-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-29 | 1964-07-30 | 1965-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-29 | 1968-07-30 | 1969-01-29 | $7700.00 | Window Closed / Lapsed |