US4174285A
Expired / Lapsed
US
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Lubricant compositions and ether or ester of 1-hydroxybenzotriazole as antioxidant in the compositions
Assignee: Mobil Oil AS
•
Filing: 1978-09-05
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Granted: 1979-11-13
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Expires: 1998-09-05
Abstract
Abstract Lubricant compositions containing oleaginous materials and, in amounts sufficient to impart antioxidation properties thereto, additives selected from the group consisting of ethers and esters of 1-hydroxybenzotriazole.
Inventors
- 👤 Milton Braid
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:30
CPC Classifications
C; C07; C07D; C07D249/00; C07D249/16; C07D249/18; C10; C10M; C10M133/00; C10M133/02; C10M133/38; C10M133/44; C10M2205/00; C10M2205/02; C10M2205/026; C10M2205/028; C10M2207/00; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2207/34; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/104; C10M2209/105; 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; C10M2227/00; C10M2227/02; C10M2227/04; C10M2227/08; C10M2227/081; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/05; C10N; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
64 words
A lubricant composition which comprises a lubricant, and in an amount effective to impart anti-oxidation properties thereto, an additive selected from the group consisting of ethers and esters of 1-hydroxybenzotriazole having the formula: ##STR3## respectively, where R is hydrogen or a hydrocarbyl group containing from 1 to about 12 carbon atoms, and R' is a hydrocarbyl group containing from 1 to 16 carbon atoms.
Claim 2
Dependent Claim
64 words
A lubricant composition which comprises a lubricant, and in an amount effective to impart anti-oxidation properties thereto, an additive selected from the group consisting of ethers and esters of 1-hydroxybenzotriazole having the formula: ##STR3## respectively, where R is hydrogen or a hydrocarbyl group containing from 1 to about 12 carbon atoms, and R' is a hydrocarbyl group containing from 1 to 16 carbon atoms.
Claim 3
Dependent Claim
40 words
The composition of claim 1 wherein R is hydrogen or an alkyl group containing from 1 to about 8 carbon atoms and R' is an alkyl, aryl, aralkyl or alkaryl group containing from about 1 to about 12 carbon atoms.
Claim 4
Dependent Claim
37 words
The composition of claim 1 wherein R is hydrogen or methyl and R' is an alkyl group containing from 1 to about 8 carbon atoms or an aralkyl group containing from 7 to about 12 carbon atoms.
Claim 5
Dependent Claim
14 words
The composition of claim 1 wherein said ether of 1-hydroxybenzotriazole is n-octyl 1-benzotriazolyl ether.
Claim 6
Dependent Claim
14 words
The composition of claim 1 wherein said ester of 1-hydroxybenzotriazole is the pivalate ester.
Claim 7
Dependent Claim
22 words
The composition of claim 1 wherein said lubricant is selected from the group consisting of mineral oils, synthetic oils and greases thereof.
Claim 8
Dependent Claim
25 words
The composition of claim 1 wherein said additive is present in an amount from about 0.01 to about 10% by weight of the total composition.
Claim 9
Dependent Claim
41 words
An ether or ester of 1-hydroxybenzotriazole compound having the formula: ##STR4## respectively, where R is hydrogen or a hydrocarbyl group containing from 1 to about 12 carbon atoms, and R' is a hydrocarbyl group containing from 1 to 16 carbon atoms.
Claim 10
Dependent Claim
41 words
An ether or ester of 1-hydroxybenzotriazole compound having the formula: ##STR4## respectively, where R is hydrogen or a hydrocarbyl group containing from 1 to about 12 carbon atoms, and R' is a hydrocarbyl group containing from 1 to 16 carbon atoms.
Claim 11
Dependent Claim
41 words
The compound of claim 7 wherein R is hydrogen or an alkyl group containing from 1 to about 8 carbon atoms and R' is an alkyl, aryl, aralkyl or alkaryl group containing from about 1 to about 12 l carbon atoms.
Claim 12
Dependent Claim
37 words
The compound of claim 8 wherein R is hydrogen or methyl and R' is an alkyl group containing from 1 to about 8 carbon atoms or an aralkyl group containing from 7 to about 12 carbon atoms.
Claim 13
Dependent Claim
12 words
The compound of claim 8 wherein said ether is n-octyl 1-benzotriazolyl ether.
Claim 14
Dependent Claim
12 words
The compound of claim 8 wherein said ester is the pivalate ester.
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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) | 1982-11-12 | 1983-05-14 | 1983-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-11-12 | 1987-05-14 | 1987-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-11-12 | 1991-05-14 | 1991-11-13 | $7700.00 | Window Closed / Lapsed |