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US5234478A
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Fuel additive method of preparation and motor fuel composition
Assignee: Texaco Inc
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Filing: 1992-06-10
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Granted: 1993-08-10
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Expires: 2012-06-10
Abstract
Abstract An amido alkanolamine composition obtained by reacting, at a temperature of 10° C.-200° C.: (a) a 4-alkyl-2-morpholinone represented by the formula: ##STR1## in which R represents a monovalent aliphatic radical having from 1 to 10 carbon atoms, and (b) an alkylphenoxypolyoxyalkylene amine represented by the formula: ##STR2## in which R' represents a hydrocarbyl radical having from 4 to 30 carbon atoms, x has a value from 5 to 50, and R" represents a methyl radical or a mixture of hydrogen and methyl radicals is provided.
Inventors
- 👤 Wei-Yang Su
- 👤 Sheldon Herbstman
- 👤 Robert L. Zimmerman
- 👤 Michael Cuscurida
- 👤 Wheeler C. Crawford
- 👤 Daniel T. Daly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:26
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/234; C10L1/238; C10L1/2383; C10L1/2387; C08; C08G; C08G73/00; C08G73/02; C08G73/028; C10L1/143; C10L1/221; C10L10/00; C10L10/04; C10L10/06; C10L1/16; C10L1/1616; C10L1/18; C10L1/192; C10L1/198; C10L1/1985
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
83 words
An amido alkanolamine composition obtained by reacting, at a temperature of 10° C.-200° C.: (a) a 4-alkyl-2-morpholinone represented by the formula: ##STR16## in which R represents a monovalent aliphatic radical having from 1 to 10 carbon atoms, and (b) an alkylphenoxypolyoxyalkylene amine represented by the formula: ##STR17## in which R' represents a hydrocarbyl radical having from 4 to 30 carbon atoms, x has a value from 5 to 50, and R" represents a methyl radical or a mixture of hydrogen and methyl radicals.
Claim 2
Dependent Claim
83 words
An amido alkanolamine composition obtained by reacting, at a temperature of 10° C.-200° C.: (a) a 4-alkyl-2-morpholinone represented by the formula: ##STR16## in which R represents a monovalent aliphatic radical having from 1 to 10 carbon atoms, and (b) an alkylphenoxypolyoxyalkylene amine represented by the formula: ##STR17## in which R' represents a hydrocarbyl radical having from 4 to 30 carbon atoms, x has a value from 5 to 50, and R" represents a methyl radical or a mixture of hydrogen and methyl radicals.
Claim 3
Dependent Claim
13 words
A composition according to claim 1 in which R" represents a methyl radical.
Claim 4
Dependent Claim
13 words
A composition according to claim 1 in which R represents an isopropyl radical.
Claim 5
Dependent Claim
20 words
A composition according to claim in which R' represents a monovalent aliphatic radical having from 6 to 24 carbon atoms.
Claim 6
Dependent Claim
18 words
A composition according to claim 4 in which said aliphatic radical has from 8 to 20 carbon atoms.
Claim 7
Dependent Claim
17 words
A composition according to claim 1 in which x has a value from about 6 to 20.
Claim 8
Dependent Claim
19 words
A composition according to claim 1 in which the alkylene oxide radical in said alkylphenoxypolyoxyalkylene amine is propylene oxide.
Claim 9
Dependent Claim
35 words
A composition according to claim 1 in which the alkylene oxide radical in said alkylphenoxypolyoxyalkylene amine consists of a mixture of propylene oxide and ethylene oxide in a mole ratio range from 2:3 to 9.99:0.01.
Claim 10
Dependent Claim
22 words
A composition according to claim 8 in which the mole ratios of propylene oxide to ethylene oxide range from 7:3 to 9.99:0.01.
Claim 11
Dependent Claim
87 words
A fuel composition containing from about 0.00015 to 1 weight percent of an amino reaction product prepared by reacting a 4-alkyl-2-morpholinone represented by the formula: ##STR18## in which R represents a monovalent aliphatic radical having from 1 to 10 carbon atoms, with an alkylphenoxypolyoxyalkylene amine reactant represented by the formula: ##STR19## in which R' represents a hydrocarbyl radical having from 4 to 30 carbon atoms, R' represents a methyl radical or a mixture of hydrogen and methyl radicals, and x has a value from 5 to 50.
Claim 12
Dependent Claim
87 words
A fuel composition containing from about 0.00015 to 1 weight percent of an amino reaction product prepared by reacting a 4-alkyl-2-morpholinone represented by the formula: ##STR18## in which R represents a monovalent aliphatic radical having from 1 to 10 carbon atoms, with an alkylphenoxypolyoxyalkylene amine reactant represented by the formula: ##STR19## in which R' represents a hydrocarbyl radical having from 4 to 30 carbon atoms, R' represents a methyl radical or a mixture of hydrogen and methyl radicals, and x has a value from 5 to 50.
Claim 13
Dependent Claim
21 words
A fuel composition according to claim 10 in which said fuel is a mixture of hydrocarbons in the gasoline boiling range.
Claim 14
Independent Claim
108 words
A method for preparing an amido alkanolamine composition represented by the formula: ##STR20## in which R represents a monovalent aliphatic radical having from 1 to 10 carbon atoms, R' represents hydrocarbyl radical having from 4 to 30 carbon atoms, x has a value from 5 to 50, and R" represent a methyl radical or a mixture of hydrogen and methyl radicals in which the ratio of methyl radicals to hydrogen ranges from 2:3 to 9.9:0.01 which comprises reacting a 4-alkyl-2- morpholinone represented by the formula: ##STR21## with an alkylphenoxypolyoxyalkylene amine reactant represented by the formula: ##STR22## in which R, R', R" and x have the values noted above.
Claim 15
Independent Claim
108 words
A method for preparing an amido alkanolamine composition represented by the formula: ##STR20## in which R represents a monovalent aliphatic radical having from 1 to 10 carbon atoms, R' represents hydrocarbyl radical having from 4 to 30 carbon atoms, x has a value from 5 to 50, and R" represent a methyl radical or a mixture of hydrogen and methyl radicals in which the ratio of methyl radicals to hydrogen ranges from 2:3 to 9.9:0.01 which comprises reacting a 4-alkyl-2- morpholinone represented by the formula: ##STR21## with an alkylphenoxypolyoxyalkylene amine reactant represented by the formula: ##STR22## in which R, R', R" and x have the values noted above.
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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) | 1996-08-09 | 1997-02-08 | 1997-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2000-08-09 | 2001-02-08 | 2001-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2004-08-09 | 2005-02-08 | 2005-08-10 | $7700.00 | Window Closed / Lapsed |