US5484462A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Low sulfur diesel fuel composition with anti-wear properties
Assignee: Texaco Inc
•
Filing: 1994-09-21
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Granted: 1996-01-16
•
Expires: 2014-09-21
Abstract
Abstract A fuel composition comprising a mixture of hydrocarbons boiling in the range from about 320 DEG F. to 620 DEG F. and a sulfur content of about 0.05 wt. %, or below, containing from about 1 to about 20 PTB of aminoalkylmorpholine having the formula: radical, and n is a number between 2 and about 10.
Inventors
- 👤 Sheldon Herbstman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:55
CPC Classifications
C; C10; C10L; C10L10/00; C10L10/08; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/232; C10L1/233; C10L1/2335
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
66 words
A fuel composition comprising a mixture of hydrocarbons boiling in the range from about 320° F. to 620° F. and a sulfur content of about 0.05 wt. %, or below, containing from about 1 to about 20 PTB of aminoalkylmorpholine of formula: ##STR6## where R is hydrogen or a C 1 -C 10 alkyl radical, and n is a number between about 2 and about 10.
Claim 2
Dependent Claim
66 words
A fuel composition comprising a mixture of hydrocarbons boiling in the range from about 320° F. to 620° F. and a sulfur content of about 0.05 wt. %, or below, containing from about 1 to about 20 PTB of aminoalkylmorpholine of formula: ##STR6## where R is hydrogen or a C 1 -C 10 alkyl radical, and n is a number between about 2 and about 10.
Claim 3
Dependent Claim
17 words
The fuel composition of claim 1 where n is a number between about 2 and about 5.
Claim 4
Dependent Claim
10 words
The fuel composition of claim 1 where n is 3.
Claim 5
Dependent Claim
10 words
The fuel composition of claim 1 where R is hydrogen.
Claim 6
Dependent Claim
16 words
The fuel composition of claim 1 containing from about 5 to about 10 PTB of aminoalkylmorpholine.
Claim 7
Dependent Claim
16 words
The fuel composition of claim 1 containing from about 7 to about 9 PTB of aminoalkylmorpholine.
Claim 8
Independent Claim
79 words
A method for producing a low sulfur diesel fuel composition having anti-wear properties which comprises adding from about 1 to about 20 PTB of aminoalkylmorpholine of formula: ##STR7## where R is hydrogen or a C 1 -C 10 alkyl radical, and n is a number between about 2 and about 10, to a hydrocarbon fuel composition boiling in the range from about 320° F. to 620° F. and having a sulfur content of about 0.05 wt. %, or below.
Claim 9
Independent Claim
79 words
A method for producing a low sulfur diesel fuel composition having anti-wear properties which comprises adding from about 1 to about 20 PTB of aminoalkylmorpholine of formula: ##STR7## where R is hydrogen or a C 1 -C 10 alkyl radical, and n is a number between about 2 and about 10, to a hydrocarbon fuel composition boiling in the range from about 320° F. to 620° F. and having a sulfur content of about 0.05 wt. %, or below.
Claim 10
Dependent Claim
16 words
The method of claim 7 where n is a number between about 2 and about 5.
Claim 11
Dependent Claim
9 words
The method of claim 7 where n is 3.
Claim 12
Dependent Claim
9 words
The method of claim 7 where R is hydrogen.
Claim 13
Dependent Claim
19 words
The method of claim 7 wherein the aminoalkylmorpholine is added in an amount between about 5 and 10 PTB.
Claim 14
Dependent Claim
20 words
The method of claim 7 wherein the aminoalkylmorpholine is added in an amount between about 7 and about 9 PTB.
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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) | 1999-01-15 | 1999-07-17 | 2000-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2003-01-15 | 2003-07-17 | 2004-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2007-01-15 | 2007-07-17 | 2008-01-16 | $7700.00 | Window Closed / Lapsed |