Patent US4198931A successfully refreshed from Google Patents.
US4198931A
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US
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Diesel fuel
Assignee: Ethyl Corp
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Filing: 1979-02-01
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Granted: 1980-04-22
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Expires: 1999-02-01
Abstract
Abstract An anti-wear compression ignition fuel for use in diesel engines comprising (1) a monohydroxy alkanol having from 1 to 5 carbon atoms, and (2) a wear inhibiting amount of an N-hydroxy hydrocarbonamide, e.g. N-hydroxy oleamide. Optionally, said fuel composition may also contain an ignition accelerator such as an organic nitrate.
Inventors
- 👤 Robert E. Malec
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:48
CPC Classifications
C; C10; C10L; C10L10/00; C10L10/08; C10L1/00; C10L1/02; C10L1/026; C10L1/10; C10L1/14; C10L1/18; C10L1/182; C10L1/1822; C10L1/1824; C10L1/22; C10L1/222; C10L1/224; C10L1/23; C10L1/231; F; F02; F02B; F02B3/00; F02B3/06
Claims Analysis
Total Claims: 46
Claim 1
Independent Claim
70 words
As a new composition of matter, an anti-wear compression ignition fuel for use in diesel engines comprising (1) a monohydroxy alkanol having from 1 to 5 carbon atoms, and (2) a wear inhibiting amount of an N-hydroxy hydrocarbonamide having the formula [R]--CO--NH--OH].sub.n wherein R is a hydrocarbon group having a valence of n and containing from 6 to 51 carbon atoms and n is an integer from 1 to 3.
Claim 2
Dependent Claim
70 words
As a new composition of matter, an anti-wear compression ignition fuel for use in diesel engines comprising (1) a monohydroxy alkanol having from 1 to 5 carbon atoms, and (2) a wear inhibiting amount of an N-hydroxy hydrocarbonamide having the formula [R]--CO--NH--OH].sub.n wherein R is a hydrocarbon group having a valence of n and containing from 6 to 51 carbon atoms and n is an integer from 1 to 3.
Claim 3
Dependent Claim
11 words
The composition of claim 1 wherein said monohydroxy alkanol is ethanol.
Claim 4
Dependent Claim
12 words
The composition of claim 2 wherein said N-hydroxy hydrocarbonamide is N-hydroxy oleamide.
Claim 5
Dependent Claim
16 words
The composition of claim 2 wherein said N-hydroxy hydrocarbonamide is N-hydroxy tall oil fatty acid amide.
Claim 6
Dependent Claim
12 words
The composition of claim 2 wherein said N-hydroxy hydrocarbonamide is N-hydroxy linoleamide.
Claim 7
Dependent Claim
20 words
The composition of claim 2 wherein said N-hydroxy hydrocarbonamide is N-hydroxy amide of linoleic acid dimers, trimers or mixtures thereof.
Claim 8
Dependent Claim
24 words
The composition of claim 3 containing from about 0.01 to about 2.0 weight percent N-hydroxy oleamide based on the total weight of said composition.
Claim 9
Dependent Claim
75 words
As a new composition of matter, an anti-wear compression ignition fuel for use in diesel engines comprising (1) a monohydroxy alkanol having from 1 to 5 carbon atoms, (2) an ignition accelerator, and (3) a wear inhibiting amount of an N-hydroxy hydrocarbonamide having the formula [R]--CO--NH--OH].sub.n wherein R is a hydrocarbon group having a valence of n and containing from 6 to about 51 carbon atoms and n is an integer from 1 to 3.
Claim 10
Dependent Claim
75 words
As a new composition of matter, an anti-wear compression ignition fuel for use in diesel engines comprising (1) a monohydroxy alkanol having from 1 to 5 carbon atoms, (2) an ignition accelerator, and (3) a wear inhibiting amount of an N-hydroxy hydrocarbonamide having the formula [R]--CO--NH--OH].sub.n wherein R is a hydrocarbon group having a valence of n and containing from 6 to about 51 carbon atoms and n is an integer from 1 to 3.
Claim 11
Dependent Claim
11 words
The composition of claim 8 wherein said monohydroxy alkanol is ethanol.
Claim 12
Dependent Claim
24 words
The composition of claim 8 wherein said ignition accelerator is a substituted or unsubstituted alkyl or cycloalkyl nitrate having up to 10 carbon atoms.
Claim 13
Dependent Claim
12 words
The composition of claim 8 wherein said N-hydroxy hydrocarbonamide is N-hydroxy oleamide.
Claim 14
Dependent Claim
16 words
The composition of claim 8 wherein said N-hydroxy hydrocarbonamide is N-hydroxy tall oil fatty acid amide.
Claim 15
Dependent Claim
12 words
The composition of claim 8 wherein said N-hydroxy hydrocarbonamide is N-hydroxy linoleamide.
Claim 16
Dependent Claim
20 words
The composition of claim 8 wherein said N-hydroxy hydrocarbonamide is N-hydroxy amide of linoleic acid dimers, trimers or mixtures thereof.
Claim 17
Dependent Claim
33 words
The composition of claim 9 wherein said ignition accelerator is selected from methyl nitrate, ethyl nitrate, propyl nitrate, amyl nitrates, hexyl nitrates or a mixture of primary amyl nitrates and primary hexyl nitrates.
Claim 18
Dependent Claim
12 words
The composition of claim 15 wherein said ignition accelerator is ethyl nitrate.
Claim 19
Dependent Claim
12 words
The composition of claim 15 wherein said N-hydroxy hydrocarbonamide is N-hydroxy oleamide.
Claim 20
Dependent Claim
35 words
The composition of claim 17 containing from about 0.1 to about 10.0 weight percent ignition accelerator and from about 0.01 to about 2.0 weight percent N-hydroxy oleamide based on the total weight of said composition.
Claim 21
Independent Claim
142 words
A method for inhibiting engine wear in an internal combustion reciprocating diesel engine operating on a compression ignition fuel comprising (1) a monohydroxy alkanol having from 1 to 5 carbon atoms, (2) on ignition accelerator, and (3) a wear inhibiting amount of an N-hydroxy hydrocarbonamide having the formula [R]--CO--NH--OH].sub.n wherein R is a hydrocarbon group having a valence of n and containing from 6 to about 51 carbon atoms and n is an integer from 1 to 3, said method comprising (a) supplying to the fuel induction system of said engine compression ignition fuel, (b) inducting air into the combustion chambers of said engine, (c) compressing said air, (d) injecting said compression ignition fuel into said combustion chambers containing said compressed air, (e) igniting said compressed mixture, and (f) exhausting the resultant combustion products resulting in reduced engine wear in said engine.
Claim 22
Independent Claim
142 words
A method for inhibiting engine wear in an internal combustion reciprocating diesel engine operating on a compression ignition fuel comprising (1) a monohydroxy alkanol having from 1 to 5 carbon atoms, (2) on ignition accelerator, and (3) a wear inhibiting amount of an N-hydroxy hydrocarbonamide having the formula [R]--CO--NH--OH].sub.n wherein R is a hydrocarbon group having a valence of n and containing from 6 to about 51 carbon atoms and n is an integer from 1 to 3, said method comprising (a) supplying to the fuel induction system of said engine compression ignition fuel, (b) inducting air into the combustion chambers of said engine, (c) compressing said air, (d) injecting said compression ignition fuel into said combustion chambers containing said compressed air, (e) igniting said compressed mixture, and (f) exhausting the resultant combustion products resulting in reduced engine wear in said engine.
Claim 23
Dependent Claim
11 words
The method of claim 19 wherein said monohydroxy alkanol is ethanol.
Claim 24
Dependent Claim
24 words
The method of claim 19 wherein said ignition accelerator is a substituted or unsubstituted alkyl or cycloalkyl nitrate having up to 10 carbon atoms.
Claim 25
Dependent Claim
12 words
The method of claim 19 wherein said N-hydroxy hydrocarbonamide is N-hydroxy oleamide.
Claim 26
Dependent Claim
33 words
The method of claim 20 wherein said ignition accelerator is selected from methyl nitrate, ethyl nitrate, propyl nitrate, amyl nitrates, hexyl nitrates or a mixture of primary amyl nitrates and primary hexyl nitrates.
Claim 27
Dependent Claim
12 words
The method of claim 23 wherein said ignition accelerator is ethyl nitrate.
Claim 28
Dependent Claim
12 words
The method of claim 23 wherein said N-hydroxy hydrocarbonamide is N-hydroxy oleamide.
Claim 29
Dependent Claim
59 words
The method of claim 25 wherein said ignition accelerator is present in an amount of from about 0.1 weight percent to about 10.0 weight percent based on the total weight of said composition and said N-hydroxy oleamide is present in an amount of from about 0.01 to about 2.0 weight percent based on the total weight of the composition.
Claim 30
Independent Claim
79 words
A method for preparing a compression ignition fuel adapted for use in diesel engines having anti-wear properties which comprises blending (1) a wear inhibiting amount of an N-hydroxy hydrocarbonamide having the formula [R]--CO--NH--OH].sub.n wherein R is a hydrocarbon group having a valence of n and containing from 6 to about 51 carbon atoms and n is an integer from 1 to 3, with (2) a monohydroxy alkanol having from 1 to 5 carbon atoms, and (3) an ignition accelerator.
Claim 31
Independent Claim
79 words
A method for preparing a compression ignition fuel adapted for use in diesel engines having anti-wear properties which comprises blending (1) a wear inhibiting amount of an N-hydroxy hydrocarbonamide having the formula [R]--CO--NH--OH].sub.n wherein R is a hydrocarbon group having a valence of n and containing from 6 to about 51 carbon atoms and n is an integer from 1 to 3, with (2) a monohydroxy alkanol having from 1 to 5 carbon atoms, and (3) an ignition accelerator.
Claim 32
Dependent Claim
11 words
The method of claim 27 wherein said monohydroxy alkanol is ethanol.
Claim 33
Dependent Claim
24 words
The method of claim 27 wherein said ignition accelerator is a substituted or unsubstituted alkyl or cycloalkyl nitrate having up to 10 carbon atoms.
Claim 34
Dependent Claim
12 words
The method of claim 27 wherein said N-hydroxy hydrocarbonamide is N-hydroxy oleamide.
Claim 35
Dependent Claim
33 words
The method of claim 28 wherein said ignition accelerator is selected from methyl nitrate, ethyl nitrate, propyl nitrate, amyl nitrates, hexyl nitrates or a mixture of primary amyl nitrates and primary hexyl nitrates.
Claim 36
Dependent Claim
11 words
The method claim 31 wherein said ignition accelerator is ethyl nitrate.
Claim 37
Dependent Claim
12 words
The method of claim 31 wherein said N-hydroxy hydrocarbonamide is N-hydroxy oleamide.
Claim 38
Dependent Claim
49 words
The method of claim 33 wherein said ignition accelerator is present in an amount of from about 0.1 to about 10.0 weight percent based on the total weight of said composition and said N-hydroxy oleamide is present in an amount of from about 0.01 to about 2.0 weight percent.
Claim 39
Dependent Claim
61 words
An anti-wear compression ignition fuel for use in diesel engines comprising a fuel oil boiling above the gasoline range containing a wear inhibiting amount of an N-hydroxy hydrocarbonamide having the formula [R]--CO--NH--OH].sub.n wherein R is a hydrocarbon group having a valence of n and containing from 6 to about 51 carbon atoms and n is an integer from 1 to 3.
Claim 40
Dependent Claim
61 words
An anti-wear compression ignition fuel for use in diesel engines comprising a fuel oil boiling above the gasoline range containing a wear inhibiting amount of an N-hydroxy hydrocarbonamide having the formula [R]--CO--NH--OH].sub.n wherein R is a hydrocarbon group having a valence of n and containing from 6 to about 51 carbon atoms and n is an integer from 1 to 3.
Claim 41
Dependent Claim
14 words
The compression ignition fuel of claim 35 wherein said N-hydroxy hydrocarbonamide is N-hydroxy oleamide.
Claim 42
Dependent Claim
17 words
The compression ignition fuel of claim 35 said N-hydroxy hydrocarbonamide is N-hydroxy tall oil fatty acid amide.
Claim 43
Dependent Claim
14 words
The compression ignition fuel of claim 35 wherein said N-hydroxy hydrocarbonamide is N-hydroxy linoleamide.
Claim 44
Dependent Claim
22 words
The compression ignition fuel of claim 35 wherein said N-hydroxy hydrocarbonamide is N-hydroxy amide of linoleic acid dimers, trimers or mixtures thereof.
Claim 45
Dependent Claim
27 words
The compression ignition fuel of claim 35 containing as an ignition accelerator a substituted or unsubstituted alkyl or cycloalkyl nitrate having up to about 10 carbon atoms.
Claim 46
Dependent Claim
34 words
The compression ignition fuel of claim 36 containing an ignition accelerator selected from methyl nitrate, ethyl nitrate, propyl nitrate, amyl nitrates, hexyl nitrates or a mixture of primary amyl nitrates and primary hexyl nitrates.
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) | 1983-04-22 | 1983-10-22 | 1984-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-04-22 | 1987-10-22 | 1988-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-04-22 | 1991-10-22 | 1992-04-22 | $7700.00 | Window Closed / Lapsed |