US3897351A
Expired / Lapsed
US
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Lubricant compositions
Assignee: Mobil Oil AS
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Filing: 1973-10-04
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Granted: 1975-07-29
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Expires: 1993-10-04
Abstract
Abstract Lubricant compositions are provided containing a corrosioninhibiting amount of an amine salt of the reaction product of at least one member of the group consisting of alkyl and alkenylsuccinic anhydrides and at least one member of the group consisting of benzotriazole and substituted benzotriazoles in a mole ratio of from 1:1 to 1:2.
Inventors
- 👤 Robert H Davis
- 👤 John W Schick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:11
CPC Classifications
C; C10; C10M; C10M173/00; C10M2201/00; C10M2201/02; C10M2201/08; C10M2201/082; C10M2201/083; C10M2201/14; C10M2203/00; C10M2203/02; C10M2203/022; C10M2203/024; C10M2203/04; C10M2207/00; C10M2207/04; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2207/34; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/104; C10M2209/105; C10M2209/107; C10M2209/109; C10M2211/00; C10M2211/04; C10M2211/042; C10M2211/06; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2215/06; C10M2215/064; C10M2215/065; C10M2215/08; C10M2215/082; C10M2215/086; C10M2215/10; C10M2215/102; C10M2215/12; C10M2215/22; C10M2215/221; C10M2215/225; C10M2215/226; C10M2215/24; C10M2215/26; C10M2215/28; C10M2215/30; C10M2219/00; C10M2219/04; C10M2219/044; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10M2223/042; C10M2227/00; C10M2227/02; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/05; C10N; C10N2030/00; C10N2030/12; C10N2040/00; C10N2040/20; C10N2040/22; C10N2050/00; C10N2050/01; C10N2050/10; C10N2070/00; C10N2070/02
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
51 words
A LUBRICANT COMPOSITION CONTAINING A CORROSION-INHIBITING AMOUNG OF AN ALKANOLAMINE SALT OF THE REACTION PRODUCT OF AT LEAST ONE MEMBER OF TE GROUPCONSISTING OF ALKYL AND ALKENYLSUCCINIC ANHYDRIDES AND AT LEAST ONE MEMBER OF THE GROUP CONSISTING OF BENZOTRIAZOLE AND TOLYL TRIAZOLE IN A MOLE RATIO OF FROM 1:1 TO 1:2.
Claim 2
Dependent Claim
51 words
A LUBRICANT COMPOSITION CONTAINING A CORROSION-INHIBITING AMOUNG OF AN ALKANOLAMINE SALT OF THE REACTION PRODUCT OF AT LEAST ONE MEMBER OF TE GROUPCONSISTING OF ALKYL AND ALKENYLSUCCINIC ANHYDRIDES AND AT LEAST ONE MEMBER OF THE GROUP CONSISTING OF BENZOTRIAZOLE AND TOLYL TRIAZOLE IN A MOLE RATIO OF FROM 1:1 TO 1:2.
Claim 3
Dependent Claim
16 words
A composition in accordance with claim 1 wheRein said lubricant comprises an oil of lubricating viscosity.
Claim 4
Dependent Claim
13 words
A composition in accordance with claim 1 wherein said lubricant comprises a grease.
Claim 5
Dependent Claim
15 words
A composition in accordance with claim 1 wherein said lubricant comprises water in major proportion.
Claim 6
Dependent Claim
24 words
A composition in accordance with claim 1 wherein said alkanolamine salt is present in an amount from about .001 to about 40%, by weight.
Claim 7
Dependent Claim
24 words
A composition in accordance with claim 1 wherein said alkanolamine salt is present in an amount from about 0.5 to about 10%, by weight.
Claim 8
Dependent Claim
23 words
A composition in accordance with claim 1 wherein said alkanolamine and said reaction product are reacted in a mole ratio of about 1:1.
Claim 9
Dependent Claim
12 words
A composition in accordance with claim 1 wherein the alkanolamine is tri-ethanolamine.
Claim 10
Dependent Claim
14 words
A composition in accordance with claim 1 wherein the alkenylsuccinic anhydride is octenylsuccinic anhydride.
Claim 11
Dependent Claim
14 words
A composition in accordance with claim 1 wherein the alkenylsuccinic anhydride is polybutenylsuccinic anhydride.
Claim 12
Dependent Claim
14 words
A composition in accordance with claim 1 wherein the alkenylsuccinic anhydride is triacontenylsuccinic anhydride.
Claim 13
Dependent Claim
14 words
A composition in accordance with claim 1 wherein the alkenylsuccinic anhydride is isooctadecylsuccinic anhyride.
References Cited (Backward Citations)
US3256187A
Cited
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 |