US4177768A
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Fuel compositions
Assignee: Ethyl Corp
•
Filing: 1979-01-19
•
Granted: 1979-12-11
•
Expires: 1999-01-19
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, (2) an ignition accelerator and (3) a wear inhibiting amount of a dimerized unsaturated fatty acid and an ester of a phosphorus acid.
Inventors
- 👤 Bryan T. Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 00:00
CPC Classifications
C; C10; C10L; C10L10/00; C10L10/08; C10L1/00; C10L1/10; C10L1/14; C10L1/12; C10L1/1225; C10L1/18; C10L1/1811; C10L1/182; C10L1/1822; C10L1/1824; C10L1/188; C10L1/1881; C10L1/1883; C10L1/20; C10L1/201; C10L1/22; C10L1/23; C10L1/231; C10L1/26; C10L1/2608; C10L1/2633; C10L1/265; F; F02; F02B; F02B3/00; F02B3/06
Claims Analysis
Total Claims: 42
Claim 1
Independent Claim
51 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 a dimerized unsaturated fatty acid and an ester of a phosphorus acid.
Claim 2
Dependent Claim
51 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 a dimerized unsaturated fatty acid and an ester of a phosphorus acid.
Claim 3
Dependent Claim
11 words
The composition of claim 1 wherein said monohydroxy alkanol is ethanol.
Claim 4
Dependent Claim
19 words
The composition of claim 1 wherein said dimerized unsaturated fatty acid is the dimer acid derived from linoleic acid.
Claim 5
Dependent Claim
22 words
The composition of claim 1 wherein said ester of phosphorus acid is selected from phenyl, benzyl, cresyl, and xylyl phosphates and phosphites.
Claim 6
Dependent Claim
16 words
The composition of claim 4 wherein said ester of phosphorus acid is diamyl phenyl hydrogen phosphate.
Claim 7
Dependent Claim
25 words
The composition of claim 1 containing as an ignition accelerator a substituted or unsubstituted alkyl or cycloalkyl nitrate having up to about 10 carbon atoms.
Claim 8
Dependent Claim
33 words
The composition of claim 6 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 9
Dependent Claim
12 words
The composition of claim 7 wherein said ignition accelerator is ethyl nitrate.
Claim 10
Dependent Claim
11 words
The composition of claim 7 wherein said monohydroxy alkanol is ethanol.
Claim 11
Dependent Claim
18 words
The composition of claim 9 wherein said dimerized unsaturated fatty acid is the dimer derived from linoleic acid.
Claim 12
Dependent Claim
16 words
The composition of claim 10 wherein said ester of phosphorus acid is diamyl phenyl hydrogen phosphate.
Claim 13
Dependent Claim
57 words
The composition of claim 11 containing from about 0.001 weight percent to about 2.0 weight percent dimer acid derived from linoleic acid, from about 0.1 weight percent to about 5.0 weight percent ignition accelerator and from about 0.001 weight percent to about 2.0 weight percent diamyl phenyl hydrogen phosphate based on the total weight of said composition.
Claim 14
Independent Claim
119 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) an ignition accelerator, and (3) a wear inhibiting amount of a dimerized unsaturated fatty acid and an ester of a phosphorus acid said method comprising (a) supplying to the fuel induction system of said engine said 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 15
Independent Claim
119 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) an ignition accelerator, and (3) a wear inhibiting amount of a dimerized unsaturated fatty acid and an ester of a phosphorus acid said method comprising (a) supplying to the fuel induction system of said engine said 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 16
Dependent Claim
11 words
The method of claim 13 wherein said monohydroxy alkanol is ethanol.
Claim 17
Dependent Claim
19 words
The method of claim 13 wherein said dimerized unsaturated fatty acid is the dimer acid derived from linoleic acid.
Claim 18
Dependent Claim
25 words
The method of claim 13 wherein said fuel composition contains an ester of phosphorus acid selected from phenyl, benzyl, cresyl, and xylyl phosphates and phosphites.
Claim 19
Dependent Claim
16 words
The method of claim 16 wherein said ester of phosphorus acid is diamyl phenyl hydrogen phosphate.
Claim 20
Dependent Claim
29 words
The method of claim 13 wherein said fuel composition contains as an ignition accelerator a substituted or unsubstituted alkyl or cycloalkyl nitrate having up to about 10 carbon atoms.
Claim 21
Dependent Claim
33 words
The method of claim 18 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 22
Dependent Claim
12 words
The method of claim 19 wherein said ignition accelerator is ethyl nitrate.
Claim 23
Dependent Claim
11 words
The method of claim 19 wherein said monohydroxy alkanol is ethanol.
Claim 24
Dependent Claim
19 words
The method of claim 21 wherein said dimerized unsaturated fatty acid is the dimer acid derived from linoleic acid.
Claim 25
Dependent Claim
15 words
The method of claim 22 wherein said phosphorus acid ester is diamyl phenyl hydrogen phosphate.
Claim 26
Dependent Claim
78 words
The method of claim 23 wherein said ignition accelerator is present in an amount of from about 0.1 weight percent to about 5.0 weight percent, said dimer acid derived from linoleic acid is present in an amount of from about 0.001 weight percent to about 2.0 weight percent and said diamyl phenyl hydrogen phosphate is present in an amount of from about 0.001 weight percent to about 2.0 weight percent based on the total weight of the composition.
Claim 27
Independent Claim
55 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 a dimerized unsaturated fatty acid and an ester of a phosphorus acid, with (2) a monohydroxy alkanol having from 1 to 5 carbon atoms, and (3) an ignition accelerator.
Claim 28
Independent Claim
55 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 a dimerized unsaturated fatty acid and an ester of a phosphorus acid, with (2) a monohydroxy alkanol having from 1 to 5 carbon atoms, and (3) an ignition accelerator.
Claim 29
Dependent Claim
11 words
The method of claim 25 wherein said monohydroxy alkanol is ethanol.
Claim 30
Dependent Claim
19 words
The method of claim 25 wherein said dimerized unsaturated fatty acid is the dimer acid derived from linoleic acid.
Claim 31
Dependent Claim
20 words
A method of claim 25 wherein said ester of phosphorus acid is phenyl, benzyl, creysl, and xylyl phosphates and phosphites.
Claim 32
Dependent Claim
15 words
The method of claim 28 wherein ester of phosphorus acid is diamyl phenyl hydrogen phosphate.
Claim 33
Dependent Claim
24 words
The method of claim 25 wherein said ignition accelerator is a substituted or unsubstituted alkyl or cycloalkyl nitrate having to about 10 carbon atoms.
Claim 34
Dependent Claim
33 words
The method of claim 30 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 35
Dependent Claim
12 words
The method of claim 31 wherein said ignition accelerator is ethyl nitrate.
Claim 36
Dependent Claim
10 words
The method of claim 31 wherein said monohydroxy is ethanol.
Claim 37
Dependent Claim
18 words
The method of claim 33 wherein said dimerized unsaturated fatty acid is the dimer derived from linoleic acid.
Claim 38
Dependent Claim
15 words
The method of claim 34 wherein said ester of phosphorus acid diamyl phenyl hydrogen phosphate.
Claim 39
Dependent Claim
77 words
The method of claim 35 wherein said ignition accelerator is present in an amount from about 0.1 weight percent to about 5.0 weight percent, said dimer acid derived from linoleic acid is present in an amount of from about 0.001 weight percent to about 2.0 weight percent and said diamyl phenyl hydrogen phosphate is present in an amount of from about 0.001 weight percent to about 2.0 weight percent based on the total weight of the composition.
Claim 40
Dependent Claim
21 words
The composition of claim 1 wherein said ester of phosphorous acid is selected from aryl, alkaryl and aralkyl phosphates and phosphites.
Claim 41
Dependent Claim
24 words
The method of claim 13 wherein said fuel composition contains an ester of phosphorous acid selected from aryl, alkaryl and aralkyl phosphates and phosphites.
Claim 42
Dependent Claim
21 words
A method of claim 25 wherein said ester of phosphorous acid is selected from aryl, alkaryl and aralkyl phosphates and phosphites.
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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) | 1982-12-10 | 1983-06-11 | 1983-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-12-10 | 1987-06-11 | 1987-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-12-10 | 1991-06-11 | 1991-12-11 | $7700.00 | Window Closed / Lapsed |