US4060491A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricant composition
Assignee: Mobil Oil AS
•
Filing: 1976-05-26
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Granted: 1977-11-29
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Expires: 1996-05-26
Abstract
Abstract A method is provided for reducing wear between moving steel-on-steel surfaces which comprises introducing between the surfaces a lubricant composition containing an antiwear amount of a 5-alkylbenzotriazole wherein the alkyl group contains from 4 to about 16 carbon atoms.
Inventors
- 👤 Robert F. Bridger
- 👤 Kirk D. Schmitt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:07
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2215/00; C10M2215/22; C10M2215/221; C10M2215/225; C10M2215/226; C10M2215/24; C10M2215/30; C10N; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
47 words
A method for reducing wear between moving steel-on-steel surfaces which comprises introducing between said surfaces a lubricant composition comprising an oil of lubricating viscosity or a grease prepared therefrom containing an antiwear amount of a 5-alkylbenzotriazole wherein the alkyl group contains from 4 to 16 carbon atoms.
Claim 2
Independent Claim
47 words
A method for reducing wear between moving steel-on-steel surfaces which comprises introducing between said surfaces a lubricant composition comprising an oil of lubricating viscosity or a grease prepared therefrom containing an antiwear amount of a 5-alkylbenzotriazole wherein the alkyl group contains from 4 to 16 carbon atoms.
Claim 3
Dependent Claim
21 words
The method of claim 1 wherein the 5-alkylbenzotriazole is present in an amount from about 0.001% to about 10%, by weight.
Claim 4
Dependent Claim
21 words
The method of claim 1 wherein the 5-alkylbenzotriazole is present in an amount from about 0.1% to about 1%, by weight.
Claim 5
Dependent Claim
15 words
The method of claim 1 wherein the lubricant composition comprises an oil of lubricating viscosity.
Claim 6
Dependent Claim
13 words
The method of claim 1 wherein the lubricant composition comprises a mineral oil.
Claim 7
Dependent Claim
12 words
The method of claim 1 wherein the lubricant composition comprises a grease.
Claim 8
Dependent Claim
17 words
The method of claim 1 wherein said alkyl group contains from 4 to about 12 carbon atoms.
Claim 9
Dependent Claim
16 words
The method of claim 1 wherein said alkyl group contains from 4 to 8 carbon atoms.
Claim 10
Dependent Claim
10 words
The method of claim 1 wherein the 5-alkylbenzotriazole is 5-n-butylbenzotriazole.
Claim 11
Dependent Claim
10 words
The method of claim 1 wherein the 5-alkylbenzotriazole is 5-n-octylbenzotriazole.
Claim 12
Dependent Claim
10 words
The method of claim 1 wherein the 5-alkylbenzotriazole is 5-dodecylbenzotriazole.
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) | 1980-11-28 | 1981-05-30 | 1981-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-11-28 | 1985-05-30 | 1985-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-11-28 | 1989-05-30 | 1989-11-29 | $7700.00 | Window Closed / Lapsed |