US4162225A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricant compositions of enhanced antioxidant properties
Assignee: Mobil Oil AS
•
Filing: 1978-04-17
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Granted: 1979-07-24
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Expires: 1998-04-17
Abstract
Abstract Lubricant compositions containing oleaginous materials and, in amounts sufficient to impart resistance to oxidation thereto, adducts of benzotriazole compounds and substituted acrylonitrile.
Inventors
- 👤 Milton Braid
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 01:57
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; C10M2207/04; 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; C10N2040/00; C10N2040/08; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
64 words
A lubricant composition which comprises an oleaginous material and, in an amount effective to impart oxidation properties thereto, an adduct having the formula: ##STR4## where R is selected from the group consisting of hydrogen and hydrocarbyl containing from 1 to about 12 carbon atoms, and R' is selected from the group consisting of hydrogen and alkyl containing from 1 to about 8 carbon atoms.
Claim 2
Dependent Claim
64 words
A lubricant composition which comprises an oleaginous material and, in an amount effective to impart oxidation properties thereto, an adduct having the formula: ##STR4## where R is selected from the group consisting of hydrogen and hydrocarbyl containing from 1 to about 12 carbon atoms, and R' is selected from the group consisting of hydrogen and alkyl containing from 1 to about 8 carbon atoms.
Claim 3
Dependent Claim
45 words
The composition of claim 1 wherein R is selected from the group consisting of hydrogen and alkyl containing from 1 to about 8 carbon atoms and R' is selected from the group consisting of hydrogen and alkyl containing from 1 to about 4 carbon atoms.
Claim 4
Dependent Claim
30 words
The composition of claim 1 wherein R is selected from the group consisting of hydrogen, methyl and n-butyl, and R' is selected from the group consisting of hydrogen and methyl.
Claim 5
Dependent Claim
23 words
The composition of claim 1 wherein said oleaginous material is selected from the group consisting of mineral oils, synthetic oils and greases thereof.
Claim 6
Dependent Claim
26 words
The composition of claim 1 wherein said adduct is present in an amount of from about 0.01 to about 10 weight percent of the total composition.
Claim 7
Dependent Claim
25 words
The composition of claim 1 wherein said adduct is present in an amount of from about 0.1 to 5 weight percent of the total composition.
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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) | 1982-07-23 | 1983-01-22 | 1983-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-07-23 | 1987-01-22 | 1987-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-07-23 | 1991-01-22 | 1991-07-24 | $7700.00 | Window Closed / Lapsed |