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US3969237A
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Lubricant compositions containing benzotriazole derivatives as copper passivators
Assignee: Mobil Oil AS
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Filing: 1974-01-04
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Granted: 1976-07-13
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Expires: 1994-01-04
Abstract
Abstract Organic compositions, which are normally susceptible of corroding copper, are provided, containing, in an amount sufficient to inhibit such corrosion, benzotriazole derivatives said derivatives having been prepared by reacting (A) benzotriazole and (B) a reactant selected from the group consisting of hydrocarbyl carboxylic acids having at least 18 carbon atoms, mono and di-substituted organic phosphates, and mono and di-substituted phosphonates wherein the organic substituent contains at least 15 carbon atoms and wherein said reaction is conducted at a temperature from about 100°C to about 200°C and in a mole ratio of (A) to (B) from about 1:1 to about 1:0.5.
Inventors
- 👤 Harry J. Andress, Jr.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:59
CPC Classifications
C; C23; C23F; C23F11/00; C23F11/08; C23F11/10; C23F11/14; C23F11/149; C07; C07D; C07D249/00; C07D249/16; C07D249/18; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/28; C07F9/38; C07F9/547; C07F9/6515; C07F9/6518; C07F9/65188; C10; C10M; C10M133/00; C10M133/02; C10M133/38; C10M133/44; C10M137/00; C10M137/02; C10M137/04; C10M137/08; C23F11/167; C23F11/1673; C23F11/1676; C10M2201/00; C10M2201/14; C10M2203/00; C10M2203/10; C10M2203/108; C10M2205/00; C10M2205/02; C10M2205/024; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/026; C10M2207/04; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2207/34; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/084; C10M2209/10; C10M2209/103; C10M2209/105; C10M2209/108; C10M2209/109; C10M2211/00; C10M2211/02; C10M2215/00; C10M2215/10; C10M2215/102; C10M2215/22; C10M2215/221; C10M2215/225; C10M2215/226; C10M2215/24; C10M2215/30; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/042; C10M2223/043; C10M2223/049; C10M2223/06; C10M2223/063; C10M2223/08; C10M2227/00; C10M2227/02; C10M2227/04; C10M2227/08; C10M2227/081; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/05; C10N; C10N2030/00; C10N2030/12; C10N2040/00; C10N2040/02; C10N2040/08; C10N2040/135; C10N2040/20; C10N2040/22
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
107 words
A lubricant composition comprising a major proportion of an oil lubricating viscosity and greases thereof and normally susceptible of corroding copper, containing, in an amount sufficient to inhibit such corrosion, the reaction product of (A) benzotriazole and (B) a reactant selected from the group consisting of hydrocarbyl carboxylic acids having at least 18 carbon atoms, mono and di-substituted hydrocarbyl phosphates and mono and di-substituted organic phosphonates wherein the hydrocarbyl substituent contains at least 15 carbon atoms, and wherein said reaction is conducted at a temperature from about 100°C to about 200°C and in a mole ratio of (A) to (B) of from about 1:1 to about 1:0.5.
Claim 2
Dependent Claim
107 words
A lubricant composition comprising a major proportion of an oil lubricating viscosity and greases thereof and normally susceptible of corroding copper, containing, in an amount sufficient to inhibit such corrosion, the reaction product of (A) benzotriazole and (B) a reactant selected from the group consisting of hydrocarbyl carboxylic acids having at least 18 carbon atoms, mono and di-substituted hydrocarbyl phosphates and mono and di-substituted organic phosphonates wherein the hydrocarbyl substituent contains at least 15 carbon atoms, and wherein said reaction is conducted at a temperature from about 100°C to about 200°C and in a mole ratio of (A) to (B) of from about 1:1 to about 1:0.5.
Claim 3
Dependent Claim
14 words
A composition in accordance with claim 1 wherein said composition comprises a gear oil.
Claim 4
Dependent Claim
14 words
A composition in accordance with claim 1 wherein said composition comprises a hydraulic oil.
Claim 5
Dependent Claim
14 words
A composition in accordance with claim 1 wherein said composition comprises a turbine oil.
Claim 6
Dependent Claim
14 words
A composition in accordance with claim 1 wherein said composition comprises a cutting oil.
Claim 7
Dependent Claim
25 words
A composition in accordance with claim 1 wherein said reaction product is present in an amount from about 0.001 to about 1 percent, by weight.
Claim 8
Dependent Claim
25 words
A composition in accordance with claim 1 wherein said reaction product is present in an amount from about 0.1 to about 0.5 percent, by weight.
Claim 9
Dependent Claim
14 words
A composition in accordance with claim 1 wherein said carboxylic acid comprises oleic acid.
Claim 10
Dependent Claim
15 words
A composition in accordance with claim 1 wherein said carboxylic acid comprises a dimer acid.
Claim 11
Dependent Claim
15 words
A composition in accordance with claim 1 wherein said carboxylic acid comprises a trimer acid.
Claim 12
Dependent Claim
15 words
A composition in accordance with claim 1 wherein said hydrocarbyl phosphate comprises a mono(nonylphenyl) phosphate.
Claim 13
Dependent Claim
15 words
A composition in accordance with claim 1 wherein said hydrocarbyl phosphate comprises a di(nonylphenyl) phosphate.
Claim 14
Dependent Claim
15 words
A composition in accordance with claim 1 wherein said hydrocarbyl phosphonate comprises a mono(nonylphenyl) phosphonate.
Claim 15
Dependent Claim
15 words
A composition in accordance with claim 1 wherein said hydrocarbyl phosphonate comprises a di(nonylphenyl) phosphonate.
References Cited (Backward Citations)
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Cited
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Cited
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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) | 1979-07-13 | 1980-01-12 | 1980-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-07-13 | 1984-01-12 | 1984-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-07-13 | 1988-01-12 | 1988-07-13 | $7700.00 | Window Closed / Lapsed |