US3898056A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrocarbylamine additives for distillate fuels
Assignee: Chevron USA Inc
•
Filing: 1973-10-11
•
Granted: 1975-08-05
•
Expires: 1993-10-11
Abstract
Abstract A mixture of high and low molecular weight hydrocarbyl amines exhibit excellent detergency and dispersancy at low concentrations in fuels. The high molecular weight hydrocarbyl amine contains at least one hydrocarbyl group having a molecular weight from about 1,900 to 5,000 and the low molecular weight hydrocarbyl amine contains at least one hydrocarbyl group having a molecular weight from about 300 to 600. The weight ratio of low molecular weight amine to high molecular weight amine in the mixture is maintained between about 0.5 and 5:1.
Inventors
- 👤 Lewis R Honnen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 04:45
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/234; C10L1/238; C10L1/2383; C10L1/2387; C10M; C10M2203/00; C10M2203/02; C10M2203/022; C10M2203/024; C10M2203/04; C10M2203/06; C10M2207/00; C10M2207/02; C10M2207/021; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2215/06; C10M2215/22; C10M2215/221; C10M2215/225; C10M2215/226; C10M2215/24; C10M2215/26; C10M2215/30; C10M2217/00; C10M2217/04; C10M2217/046; C10M2217/06; C10N; C10N2070/00; C10N2070/02
Claims Analysis
Total Claims: 24
Claim 1
Independent Claim
171 words
A FUEL COMPOSITION OF A DISTILLATE FUEL CONTAINING FROM 150 TO 300 PARTS PER MILLION OF A MIXTURE OF A HIGH MOLECULAR WEIGHT HYDROCARBYL AMINE AND A LOW MOLECULAR WEIGHT HYDROCARBYL AMINE WHEREIN A WEIGHT RATIO OF LOW TO HIGH MOLECULAR WEIGHT AMINE PRESENT WITHIN SAID MIXTURE IS BETWEEN ABOUT 0.5 AND 5:1, SAID HIGH MOLECULAR WEIGHT HYDROCARBYL AMINE BEING PREPARED BY REACTING A FIRST HYDROCARBYL HALIDE HAVING A NUMBER AVERAGE MOLECULAR WEIGHT IN THE HYDROCARBYL PORTION OF 1,900 TO 5,000 WITH A MONO- OR POLYAMINE HAVING FROM 1 TO 10 AMINE NITROGENS AND FROM 2 TO 40 CARBONS WITH A CARBON TO NITROGEN ATOMIC RATIO BETWEEN ABOUT 1 AND 10:1, AND SAID LOW MOLECULAR WEIGHT HYDROCARBYL AMINE BEING PREPARED BY REACTING A SECOND HYDROCARBYL HALIDE HAVING A NUMBER AVERAGE MOLECULAR WEIGHT IN SAID SECOND HYDROCARBYL PORTION OF 300 TO 600 WITH A MONO- OR POLYAMINE HAVING FROM 1 TO 10 AMINE NITROGENS AND FROM 2 TO 40 CARBONS WITH A CARBON TO NITROGEN ATOMIC RATIO BETWEEN ABOUT 1 AND 10:1.
Claim 2
Dependent Claim
171 words
A FUEL COMPOSITION OF A DISTILLATE FUEL CONTAINING FROM 150 TO 300 PARTS PER MILLION OF A MIXTURE OF A HIGH MOLECULAR WEIGHT HYDROCARBYL AMINE AND A LOW MOLECULAR WEIGHT HYDROCARBYL AMINE WHEREIN A WEIGHT RATIO OF LOW TO HIGH MOLECULAR WEIGHT AMINE PRESENT WITHIN SAID MIXTURE IS BETWEEN ABOUT 0.5 AND 5:1, SAID HIGH MOLECULAR WEIGHT HYDROCARBYL AMINE BEING PREPARED BY REACTING A FIRST HYDROCARBYL HALIDE HAVING A NUMBER AVERAGE MOLECULAR WEIGHT IN THE HYDROCARBYL PORTION OF 1,900 TO 5,000 WITH A MONO- OR POLYAMINE HAVING FROM 1 TO 10 AMINE NITROGENS AND FROM 2 TO 40 CARBONS WITH A CARBON TO NITROGEN ATOMIC RATIO BETWEEN ABOUT 1 AND 10:1, AND SAID LOW MOLECULAR WEIGHT HYDROCARBYL AMINE BEING PREPARED BY REACTING A SECOND HYDROCARBYL HALIDE HAVING A NUMBER AVERAGE MOLECULAR WEIGHT IN SAID SECOND HYDROCARBYL PORTION OF 300 TO 600 WITH A MONO- OR POLYAMINE HAVING FROM 1 TO 10 AMINE NITROGENS AND FROM 2 TO 40 CARBONS WITH A CARBON TO NITROGEN ATOMIC RATIO BETWEEN ABOUT 1 AND 10:1.
Claim 3
Dependent Claim
40 words
The fuel composition defined in claim 1 wherein said high and low molecular weight hydrocarbyl amines are present in an amount from 1 to 3 weight parts of low molecular weight amine per weight part of high molecular weight amine.
Claim 4
Dependent Claim
26 words
The fuel composition defined in claim 1 wherein from 0.05 to 0.5 volume percent of a fuel-soluble inert carrier oil is incorporated into said distillate fuel.
Claim 5
Dependent Claim
44 words
The fuel composition defined in claim 3 wherein said carrier oil is selected from a naphthenic lubricating oil having a viscosity at 100*F of 1,000 to 2,000 SUS, a paraffinic bright stock having a viscosity index between 80 and 100, polyolefins and polyalkoxy polyols.
Claim 6
Dependent Claim
88 words
A fuel composition comprising a distillate fuel containing from 150 to 300 parts per million of a mixture of high and low molecular weight hydrocarbyl amines wherein said hydrocarbyl amines are prepared by reacting a high molecular weight hydrocarbyl halide having a number average molecular weight in the hydrocarbyl portion of 2,500 to 4,400 and a low molecular weight hydrocarbyl halide having a number average molecular weight in the hydrocarbyl portion of 300 to 550 with the same or a different amine having the following general structural formula:
Claim 7
Dependent Claim
88 words
A fuel composition comprising a distillate fuel containing from 150 to 300 parts per million of a mixture of high and low molecular weight hydrocarbyl amines wherein said hydrocarbyl amines are prepared by reacting a high molecular weight hydrocarbyl halide having a number average molecular weight in the hydrocarbyl portion of 2,500 to 4,400 and a low molecular weight hydrocarbyl halide having a number average molecular weight in the hydrocarbyl portion of 300 to 550 with the same or a different amine having the following general structural formula:
Claim 8
Dependent Claim
31 words
The composition defined in claim 5 wherein said b'' is zero and said high molecular hydrocarbyl halide has a number average molecular weight in the hydrocarbyl portion of 2,600 to 3,800.
Claim 9
Dependent Claim
12 words
The composition defined in claim 5 wherein said amine is ethylene diamine.
Claim 10
Dependent Claim
55 words
The composition defined in claim 5 wherein said high molecular weight hydrocarbyl halide is a hydrocarbyl chloride having a number average molecular weight in the hydrocarbyl portion of about 2,700 and wherein said low molecular weight hydrocarbyl halide is a hydrocarbyl chloride having a number average molecular weight in the hydrocarbyl portion of about 530.
Claim 11
Dependent Claim
38 words
The composition defined in claim 8 wherein said high and low molecular weight amines are present in an amount from 1 to 3 weight parts of low molecular weight amine per weight part of high molecular weight amine.
Claim 12
Dependent Claim
26 words
The fuel composition defined in claim 5 wherein from 0.05 to 0.5 volume percent of a fuel-soluble inert carrier oil is incorporated into said distillate fuel.
Claim 13
Dependent Claim
43 words
The fuel composition defined in claim 10 wherein said carrier oil is selected from a naphthenic lubricating oil having a viscosity of 100*F of 1,000 to 2,000SUS, polyolefins, polyalkoxy polyols and a paraffinic bright stock having a viscosity index between 80 and 100.
Claim 14
Dependent Claim
100 words
A gasoline composition comprising a major portion of a petroleum distillate fuel boiling in the gasoline range and in an amount sufficient to provide detergency and dispersancy of 150 to 300 ppm of a mixture of high and low molecular weight hydrocarbyl amines prepared by reacting a high molecular weight hydrocarbyl halide having a number average molecular weight in the hydrocarbyl portion of 1,900 to 5,000 and a low molecular weight hydrocarbyl halide having a number average molecular weight in the hydrocarbyl portion of 300 to 600 with the same or a different amine having the following general structural formula:
Claim 15
Dependent Claim
100 words
A gasoline composition comprising a major portion of a petroleum distillate fuel boiling in the gasoline range and in an amount sufficient to provide detergency and dispersancy of 150 to 300 ppm of a mixture of high and low molecular weight hydrocarbyl amines prepared by reacting a high molecular weight hydrocarbyl halide having a number average molecular weight in the hydrocarbyl portion of 1,900 to 5,000 and a low molecular weight hydrocarbyl halide having a number average molecular weight in the hydrocarbyl portion of 300 to 600 with the same or a different amine having the following general structural formula:
Claim 16
Dependent Claim
40 words
The gasoline composition as defined in claim 12 wherein said high and low molecular weight amines are present in an amount from 1 to 3 weight parts of low molecular weight amine per weight part of high molecular weight amine.
Claim 17
Dependent Claim
57 words
The gasoline composition as defined in claim 12 wherein said high molecular weight hydroCarbyl halide is a hydrocarbyl chloride having a number average molecular weight in the hydrocarbyl portion of about 2,700 and wherein said low molecular weight hydrocarbyl halide is a hydrocarbyl chloride having a number average molecular weight in the hydrocarbyl portion of about 530.
Claim 18
Dependent Claim
25 words
A gasoline composition defined in claim 12 wherein from 0.05 to 0.5 volume percent of a gasoline-soluble inert carrier oil is incorporated into said composition.
Claim 19
Dependent Claim
30 words
A fuel composition comprising a distillate fuel containing from 150 to 300 parts per million of a mixture of high and low molecular weight hydrocarbyl amines having the general formula:
Claim 20
Dependent Claim
30 words
A fuel composition comprising a distillate fuel containing from 150 to 300 parts per million of a mixture of high and low molecular weight hydrocarbyl amines having the general formula:
Claim 21
Dependent Claim
53 words
The gasoline composition defined in claim 16 wherein said high molecular weight amine is polyisobutenyl having an average molecular weight in the polyisobutenyl portion of 2,500 to 4,400 ethylene diamine and said low molecular weight amine is polyisobutenyl ethylene diamine having an average molecular weight in the polyisobutenyl portion of 300 to 550.
Claim 22
Dependent Claim
25 words
A gasoline composition defined in claim 16 wherein from 0.05 to 0.5 volume percent of a gasoline-soluble inert carrier oil is incorporated into said composition.
Claim 23
Dependent Claim
80 words
A gasoline composition containing a mixture of high and low molecular weight hydrocarbyl mono- or polyamines; said high molecular weight hydrocarbyl amine containing at least one hydrocarbyl group having a molecular weight from 1,900 to 5,000 and said low molecular weight hydrocarbyl amine containing at least one hydrocarbyl group having a molecular weight from 300 to 600; the weight ratio of said low molecular weight hydrocarbyl amine to said high molecular weight hydrocarbyl amine is between about 0.5 and 5:1.
Claim 24
Dependent Claim
80 words
A gasoline composition containing a mixture of high and low molecular weight hydrocarbyl mono- or polyamines; said high molecular weight hydrocarbyl amine containing at least one hydrocarbyl group having a molecular weight from 1,900 to 5,000 and said low molecular weight hydrocarbyl amine containing at least one hydrocarbyl group having a molecular weight from 300 to 600; the weight ratio of said low molecular weight hydrocarbyl amine to said high molecular weight hydrocarbyl amine is between about 0.5 and 5:1.
References Cited (Backward Citations)
US3438757A
Cited
US3671511A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-08-04 | 1979-02-03 | 1979-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-08-04 | 1983-02-03 | 1983-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-08-04 | 1987-02-03 | 1987-08-05 | $7700.00 | Window Closed / Lapsed |