Patent US4185594A successfully refreshed from Google Patents.
US4185594A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diesel fuel compositions having anti-wear properties
Assignee: Ethyl Corp
•
Filing: 1978-12-18
•
Granted: 1980-01-29
•
Expires: 1998-12-18
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.
Inventors
- 👤 Warren L. Perilstein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:30
CPC Classifications
C; C10; C10L; C10L10/00; C10L10/08; C10L1/00; C10L1/10; C10L1/14; C10L1/12; C10L1/1225; C10L1/1233; C10L1/1258; C10L1/18; C10L1/1811; C10L1/182; C10L1/1822; C10L1/1824; C10L1/188; C10L1/1881; C10L1/1883; C10L1/22; C10L1/23; C10L1/231; F; F02; F02B; F02B3/00; F02B3/06
Claims Analysis
Total Claims: 27
Claim 1
Independent Claim
44 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.
Claim 2
Dependent Claim
44 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.
Claim 3
Dependent Claim
11 words
The composition of claim 1 where said monohydroxy alkanol is ethanol.
Claim 4
Dependent Claim
25 words
The composition of claim 1 wherein said ignition accelerator is a substituted or unsubstituted alkyl or cycloalkyl nitrate having up to about 10 carbon atoms.
Claim 5
Dependent Claim
19 words
The composition of claim 1 wherein said dimerized unsaturated fatty acid is the dimer acid derived from linoleic acid.
Claim 6
Dependent Claim
33 words
The composition of claim 2 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 7
Dependent Claim
12 words
The composition of claim 5 wherein said ignition accelerator is ethyl nitrate.
Claim 8
Dependent Claim
19 words
The composition of claim 5 wherein said dimerized unsaturated fatty acid is the dimer acid derived from linoleic acid.
Claim 9
Dependent Claim
43 words
The composition of claim 7 containing 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 dimer acid derived from linoleic acid based on the total weight of said composition.
Claim 10
Independent Claim
112 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, 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 11
Independent Claim
112 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, 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 12
Dependent Claim
11 words
The method of claim 9 wherein said monohydroxy alkanol is ethanol.
Claim 13
Dependent Claim
25 words
The method of claim 9 wherein said ignition accelerator is a substituted or unsubstituted alkyl or cycloalkyl nitrate having up to about 10 carbon atoms.
Claim 14
Dependent Claim
19 words
The method of claim 9 wherein said dimerized unsaturated fatty acid is the dimer acid derived from linoleic acid.
Claim 15
Dependent Claim
35 words
The method of claim 10 wherein said ignition accelerator is selected from methyl nitrate, ethyl nitrate, propyl nitrate, propyl nitrite, amyl nitrates, hexyl nitrates or a mixture of primary amyl nitrates and primary hexyl nitrates.
Claim 16
Dependent Claim
12 words
The method of claim 13 wherein said ignition accelerator is ethyl nitrate.
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
65 words
The method of claim 15 wherein said ignition accelerator is present in an amount of from about 0.1 weight percent to about 5.0 weight percent based on the total weight of said composition and said dimer acid derived from linoleic acid is present in an amount of from about 0.001 weight percent to about 3.0 weight percent based on the total weight of the composition.
Claim 19
Independent Claim
48 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, with (2) a monohydroxy alkanol having from 1 to 5 carbon atoms, and (3) an ignition accelerator.
Claim 20
Independent Claim
48 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, with (2) a monohydroxy alkanol having from 1 to 5 carbon atoms, and (3) an ignition accelerator.
Claim 21
Dependent Claim
11 words
The method of claim 17 wherein said monohydroxy alkanol is ethanol.
Claim 22
Dependent Claim
25 words
The method of claim 17 wherein said ignition accelerator is a substituted or unsubstituted alkyl or cycloalkyl nitrate having up to about 10 carbon atoms.
Claim 23
Dependent Claim
19 words
The method of claim 17 wherein said dimerized unsaturated fatty acid is the dimer acid derived from linoleic acid.
Claim 24
Dependent Claim
16 words
The method of claim 18 wherein said ignition accelerator is selected from methyl nitrate, ehtyl nitrate.
Claim 25
Dependent Claim
12 words
The method of claim 21 wherein said ignition accelerator is ethyl nitrate.
Claim 26
Dependent Claim
19 words
The method of claim 21 wherein said dimerized unsaturated fatty acid is the dimer acid derived from linoleic acid.
Claim 27
Dependent Claim
64 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 based on the total weight of said composition and said dimer acid derived from linoleic acid is present in an amount of from 0.001 weight percent to about 2.0 weight percent based on the total weight of the composition.
References Cited (Backward Citations)
US2631979A
Cited
US2632695A
Cited
US2822330A
Cited
US3017354A
Cited
US3696048A
Cited
US3925030A
Cited
US4002437A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-01-28 | 1983-07-30 | 1984-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-01-28 | 1987-07-30 | 1988-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-01-28 | 1991-07-30 | 1992-01-29 | $7700.00 | Window Closed / Lapsed |