US2742432A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mineral oil lubricating compositions
Assignee: TIDE WATER ASSOCIATED OIL Co
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Filing: 1953-12-22
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Granted: 1956-04-17
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Expires: 1973-12-22
Abstract
No abstract record available.
Inventors
- 👤 Nicholas V Messina
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:51
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2203/00; C10M2203/06; C10M2205/00; C10M2205/02; C10M2205/026; C10M2205/22; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/12; 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
146 words
A LUBRICATING OIL COMPOSITION COMPRISING A MINERAL OIL OF LUBRICATING GRADE IN MAJOR AMOUNT BASED ON THE WEIGHT OF THE COMPOSITION AND A SMALL AMOUNT, SUFFICIENT TO IMPART RUST-PREVENTIVE PROPERTIES TO SAID COMPOSITION, OF AN ADDITIVE COMPRISING (1) AN OIL-SOLUBLE HALF AMIDEALIPHATIC HYDROCARBON ESTER OF AN ALIPHATIC HYDROCARBON DICARBOXYLIC ACID AND (2) AN OIL-SOLUBLE ALIPHATIC HYDROCARBON AMINE, SAID COMPOSITION BEING CHARACTERIZED BY CONTAINING SAID AMINE AND HALF AMIDE-ESTER IN A WEIGHT RATIO OF ONE PART OF AMINE TO FROM ABOUT ONE TO ABOUT TWENTY PARTS OF HALF AMIDE-ESTER AND SAID HALF AMIDE-ESTER BEING CHARACTERIZED IN THAT (3) ITS AMIDE PORTION CONTAINS AN ALIPHATIC HYDROCARBON SUBSTITUENT OF ABOUT FOUR TO ABOUT TWENTY CARBON ATOMS FOR AT LEAST ONE OF THE HYDROGEN ATOMS LINKED TO THE AMIDE NITROGEN ATOM AND (4) ITS ESTERFIED PORTION CONTAINS AN ALIPHATIC HYDROCARBON GROUP OF FROM ABOUT FOUR TO ABOUT TWENTY CARBON ATOMS.
Claim 2
Dependent Claim
146 words
A LUBRICATING OIL COMPOSITION COMPRISING A MINERAL OIL OF LUBRICATING GRADE IN MAJOR AMOUNT BASED ON THE WEIGHT OF THE COMPOSITION AND A SMALL AMOUNT, SUFFICIENT TO IMPART RUST-PREVENTIVE PROPERTIES TO SAID COMPOSITION, OF AN ADDITIVE COMPRISING (1) AN OIL-SOLUBLE HALF AMIDEALIPHATIC HYDROCARBON ESTER OF AN ALIPHATIC HYDROCARBON DICARBOXYLIC ACID AND (2) AN OIL-SOLUBLE ALIPHATIC HYDROCARBON AMINE, SAID COMPOSITION BEING CHARACTERIZED BY CONTAINING SAID AMINE AND HALF AMIDE-ESTER IN A WEIGHT RATIO OF ONE PART OF AMINE TO FROM ABOUT ONE TO ABOUT TWENTY PARTS OF HALF AMIDE-ESTER AND SAID HALF AMIDE-ESTER BEING CHARACTERIZED IN THAT (3) ITS AMIDE PORTION CONTAINS AN ALIPHATIC HYDROCARBON SUBSTITUENT OF ABOUT FOUR TO ABOUT TWENTY CARBON ATOMS FOR AT LEAST ONE OF THE HYDROGEN ATOMS LINKED TO THE AMIDE NITROGEN ATOM AND (4) ITS ESTERFIED PORTION CONTAINS AN ALIPHATIC HYDROCARBON GROUP OF FROM ABOUT FOUR TO ABOUT TWENTY 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) | 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 |