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US3897350A
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Anti-rust compositions
Assignee: Mobil Oil AS
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Filing: 1974-05-30
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Granted: 1975-07-29
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Expires: 1994-05-30
Abstract
Abstract Anti-Rust Compositions: A. LUBRICATING OIL BASE B. A NAPHTHOL SELECTED FROM 1-NAPHTHOL, 2-NAPHTHOL, AND 1NITROSO-2-NAPHTHOL C. A METAL SULFONATE SELECTED FROM NEUTRAL ALKALI METAL SULFONATE, NEUTRAL ALKALINE EARTH METAL SULFONATE, NEUTRAL ZINC SULFONATE, OVERBASED ALKALI METAL SULFONATE, OVERBASED ALKALINE EARTH METAL SULFONATE, AND OVERBASED ZINC SULFONATE D. A DETERGENT SELECTED FROM ALKENYL SUCCINIMIDES, ALKENYLSUCCINIC ESTERS, ALKYLLACTONE AMIDES, ALKYLLACTAM AMIDES, AND Mannich bases.
Inventors
- 👤 El-Ahmadi Ibrahim Heiba
- 👤 Albert Lloyd Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:28
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/025; C10M2207/04; C10M2207/044; C10M2207/28; C10M2207/282; C10M2207/34; C10M2209/00; C10M2209/10; C10M2209/102; C10M2209/103; C10M2209/109; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/08; C10M2215/082; C10M2215/086; C10M2215/20; C10M2215/204; C10M2215/24; C10M2215/26; C10M2215/28; C10M2217/00; C10M2217/04; C10M2217/042; C10M2217/043; C10M2217/046; C10M2217/06; C10M2219/00; C10M2219/04; C10M2219/044; C10M2219/046; C10N; C10N2010/00; C10N2010/04; C10N2030/00; C10N2030/12; C10N2040/00; C10N2040/02; C10N2040/08; C10N2040/135; C10N2050/00; C10N2050/10; C10N2070/00; C10N2070/02
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
67 words
AN OIL COMPOSITION COMPRISING A LUBRICATING OIL MEDIUM AND, IN AMOUNT SUFFICIENT TO PROVIDE RUST INHIBITING PROPERTIES THERETO, (1)A NAPHTHOL SELECTED FROM THE GROUP CONSISTING OF 1- NAPHTHOL, 2-NAPHTHOL AND 1-NITROSO-2-NAPHTHOL AND (2) A METAL SULFONATE SELECTED FROM THE GROUP CONSISTING OF BETURAL ALKALI METAL SULFONETE, NEUTRAL ALKALINE EARTH METAL SULFONATE, NEUTRAL ZINC SULFONATE, OVERBASED AKALI METAL SULFONATE, OVERBASED ALKALINE EARTH METAL SULFONATE, AND OVERBASED ZINC SULFONATE.
Claim 2
Dependent Claim
67 words
AN OIL COMPOSITION COMPRISING A LUBRICATING OIL MEDIUM AND, IN AMOUNT SUFFICIENT TO PROVIDE RUST INHIBITING PROPERTIES THERETO, (1)A NAPHTHOL SELECTED FROM THE GROUP CONSISTING OF 1- NAPHTHOL, 2-NAPHTHOL AND 1-NITROSO-2-NAPHTHOL AND (2) A METAL SULFONATE SELECTED FROM THE GROUP CONSISTING OF BETURAL ALKALI METAL SULFONETE, NEUTRAL ALKALINE EARTH METAL SULFONATE, NEUTRAL ZINC SULFONATE, OVERBASED AKALI METAL SULFONATE, OVERBASED ALKALINE EARTH METAL SULFONATE, AND OVERBASED ZINC SULFONATE.
Claim 3
Dependent Claim
13 words
The composition of claim 1 wherein the metal sulfonate is a neutral sulfonate.
Claim 4
Dependent Claim
13 words
The composition of claim 1 wherein the metal sulfonate is an overbased sulfonate.
Claim 5
Dependent Claim
10 words
The composition of claim 1 wherein the metal is calcium.
Claim 6
Dependent Claim
50 words
THE COMPOSITION OF CLAIM 1 WHEREIN TERE IS ALSO PRESENT IN A DETERGENT AMOUNT A LONG-CHAIN HYDROCARBYL-SUBTITUTED ORGANIC CONDENSATION PRODUCT HAVING FROM 20 TO 300 CARBON ATOMS IN THE HYDROCARBYL GROUP, SAID PRODUCT BEING SELECTED FROM THE GROUP CONSISTING OF ALKENYLSUCCINIMIDES, ALKENYLSUCCINIC ESTERS, ALKYLLACTONE AMIDES, ALKYLLACTAM AIDES, AND MANNICH BASES.
Claim 7
Dependent Claim
26 words
The composition of claim 5 wherein the said product is an ester of an alkenylsuccinic anhydride and an aliphatic alcohol having 1 to 4 hydroxy groups.
Claim 8
Dependent Claim
17 words
The composition of claim 6 wherein the ester is a polyester of a polybutenylsuccinic anhydride and pentaerythritol.
Claim 9
Dependent Claim
13 words
The composition of claim 1 wherein at least 0.3% by weight is naphthol.
Claim 10
Dependent Claim
38 words
The composition of claim 5 wherein there is present at least 0.5% by weight of naphthol, at least 1% by weight of an overbased calcium sulfonate and at least 3.5% by weight of a polybutenylsuccinic ester of pentaerythritol.
Claim 11
Dependent Claim
26 words
The composition of claim 5 wherein the said product is an alkenylsuccinimide of an ethylenepolyamine having the formula H2N(C2H4NH)n-H, wherein n is from 1 to 10.
Claim 12
Dependent Claim
13 words
The composition of claim 10 wherein the alkenylsuccinimide is a bis(polybutenylsuccinimide) of tetraethylenepentamine.
Claim 13
Dependent Claim
18 words
The composition of claim 5 wherein the naphthol is 1-nitroso-2-naphthol and the sulfonate is an overbased calcium sulfonate.
Claim 14
Dependent Claim
22 words
The composition of claim 1 wherein the lubricating oil medium is selected from the group consisting of hydraulic oil and turbine oil.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-07-28 | 1979-01-27 | 1979-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-07-28 | 1983-01-27 | 1983-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-07-28 | 1987-01-27 | 1987-07-29 | $7700.00 | Window Closed / Lapsed |