US4246127A
Expired / Lapsed
US
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Additives for lubricants
Assignee: Novartis Corp
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Filing: 1979-01-11
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Granted: 1981-01-20
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Expires: 1999-01-11
Abstract
Abstract Compounds of the general formula I, and mixtures thereof, ##STR1## in which R is linear alkyl having 12 to 24 C atoms, branched alkyl having 8 to 30 C atoms or alkylated phenyl or phenylalkyl having 8 to 24 C atoms, X is an oxygen or sulphur atom, n is a value from 0.5 to 8 or an integer from 1 to 8 and R 1 is a hydrogen atom or a radical of the formula ##STR2## in which m is 0 or integers from 1 to 3, are excellent extreme-pressure additives in lubricants.
Inventors
- 👤 Klaus P. Michaelis
- 👤 Hermann O. Wirth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 09:31
CPC Classifications
C; C10; C10M; C10M135/00; C10M135/20; C10M135/28; C10M135/30; C07; C07C; C07C323/00; C10M135/22; C10M135/24; C10M2205/00; C10M2205/02; C10M2205/026; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/024; C10M2207/025; C10M2207/026; C10M2207/027; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/123; C10M2207/129; C10M2207/16; C10M2207/22; C10M2207/28; C10M2207/284; C10M2207/285; C10M2207/287; C10M2207/288; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/084; C10M2211/00; C10M2211/04; C10M2211/042; C10M2211/06; C10M2211/08; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/044; C10M2215/06; C10M2215/064; C10M2215/065; C10M2215/066; C10M2215/08; C10M2215/082; C10M2215/086; C10M2215/10; C10M2215/14; C10M2215/22; C10M2215/221; C10M2215/223; C10M2215/224; C10M2215/225; C10M2215/226; C10M2215/24; C10M2215/26; C10M2215/28; C10M2215/30; C10M2219/00; C10M2219/04; C10M2219/044; C10M2219/06; C10M2219/062; C10M2219/066; C10M2219/08; C10M2219/082; C10M2219/084; C10M2219/085; C10M2219/087; C10M2219/088; C10M2219/089; C10M2219/10; C10M2219/102; C10M2219/104; C10M2219/106; C10M2219/108; C10M2221/00; C10M2221/04; C10M2221/043; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10M2223/042; C10M2223/043; C10M2223/045; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2010/08; C10N2010/10
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
62 words
A compound of the general formula I ##STR21## in which R is linear alkyl having 12 to 24 C atoms, branched alkyl having 8 to 30 C atoms or alkylated phenyl or alkylated phenyl-alkyl having 8 to 24 C atoms, X is an oxygen or sulphur atom, n is an integer from 1 to 8 and R 1 is a hydrogen atom.
Claim 2
Dependent Claim
62 words
A compound of the general formula I ##STR21## in which R is linear alkyl having 12 to 24 C atoms, branched alkyl having 8 to 30 C atoms or alkylated phenyl or alkylated phenyl-alkyl having 8 to 24 C atoms, X is an oxygen or sulphur atom, n is an integer from 1 to 8 and R 1 is a hydrogen atom.
Claim 3
Dependent Claim
14 words
A compound according to claim 1, wherein R, in formula I, is branched alkyl.
Claim 4
Dependent Claim
12 words
A compound according to claim 1, wherein X is an oxygen atom.
Claim 5
Dependent Claim
15 words
A compound according to claim 1, wherein n is a value from 1 to 5.
Claim 6
Dependent Claim
10 words
A compound according to claim 1, wherein n is 1.
Claim 7
Dependent Claim
41 words
A compound according to claim 1 wherein R is linear alkyl having 16 to 24 C atoms, branched alkyl having 8 to 24 C atoms, alkylated phenyl having 12 to 24 C atoms or phenylalkyl having 12 to 24 C atoms.
Claim 8
Dependent Claim
17 words
A compound according to claim 6 wherein R is branched alkyl having 12 to 22 C atoms.
Claim 9
Dependent Claim
40 words
A composition comprising a major amount of a mineral oil lubricant, a synthetic oil lubricant or a mixture thereof and from 0.01 to 5% by weight, relevant to the lubricant, of a compound of formula I according to claim 1.
Claim 10
Dependent Claim
19 words
A composition according to claim 8 containing from 0.05 to 3% by weight of a compound of formula I.
Claim 11
Dependent Claim
30 words
A compound according to claim 1 wherein R is alkylated phenylalkyl having 8 to 24 C atoms, where in the phenylalkyl moiety the alkyl contains up to 3 C atoms.
Claim 12
Dependent Claim
21 words
A compound according to claim 10 wherein R is alkylated phenylalkyl having 8 to 24 C atoms, where phenylalkyl is benzyl.
Claim 13
Dependent Claim
51 words
A compound according to claim 1 wherein R is alkylated phenyl or alkylated phenylalkyl, where said phenyl or said phenylalkyl is substituted by 1 or 2 alkyl groups which contain 4 to 18 C atoms, with the proviso that the total number of carbon atoms in R is 8 to 24.
Claim 14
Dependent Claim
13 words
A compound according to claim 12 wherein the alkyl substituting groups are branched.
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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) | 1984-01-20 | 1984-07-21 | 1985-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-01-20 | 1988-07-21 | 1989-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-01-20 | 1992-07-21 | 1993-01-20 | $7700.00 | Window Closed / Lapsed |