US4083699A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyoxyethylene polyamine Mannich base products and use of same in fuels and lubricants
Assignee: Mobil Oil AS
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Filing: 1976-11-26
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Granted: 1978-04-11
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Expires: 1996-11-26
Abstract
Abstract The detergency properties of a fuel or a lubricant are improved by adding thereto a Mannich base product prepared by reacting a high molecular weight alkyl substituted hydroxyaromatic compound, a polyoxyethylene polyamine and an aldehyde.
Inventors
- 👤 Sheldon Chibnik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 06:33
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/234; C10L1/238; C10L1/2383; C10L1/2387; C10M; C10M159/00; C10M159/12; C10M159/16; C10M2207/00; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2207/34; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2217/00; C10M2217/04; C10M2217/042; C10M2217/043; C10M2219/00; C10M2219/02; C10M2219/022; C10M2219/024; C10M2223/00; C10M2223/12; C10N; C10N2040/00; C10N2040/20; C10N2040/22
Claims Analysis
Total Claims: 25
Claim 1
Independent Claim
119 words
A Mannich base product which is the condensation product of (1) a polyalkyl-substituted hydroxyaromatic compound, wherein the polyalkylene has a number average molecular weight of from about 100 to about 4000, (2) an amine having one of the formulae NH.sub.2 CH(CH.sub.3)CH.sub.2 --[OCH.sub.2 CH(CH.sub.3)].sub.x NH.sub.2 nh.sub.2 ch(ch.sub.3)ch.sub.2 [och.sub.2 ch(ch.sub.3)].sub.a [OCH.sub.2 CH.sub.2 ].sub.b [OCH.sub.2 CH(CH.sub.3)].sub.c NH.sub.2 and ##STR3## wherein x is chosen such that the molecular weight of the amine is from about 142 to about 2,000, b is zero or from about 10 to about 50, a + c is about 2.5 and the sum of l, m and n is from about 3 to about 10 and (3) an aldehyde wherein the respective molar ratios of reactants are 1:0.1-10:0.1-10.
Claim 2
Dependent Claim
119 words
A Mannich base product which is the condensation product of (1) a polyalkyl-substituted hydroxyaromatic compound, wherein the polyalkylene has a number average molecular weight of from about 100 to about 4000, (2) an amine having one of the formulae NH.sub.2 CH(CH.sub.3)CH.sub.2 --[OCH.sub.2 CH(CH.sub.3)].sub.x NH.sub.2 nh.sub.2 ch(ch.sub.3)ch.sub.2 [och.sub.2 ch(ch.sub.3)].sub.a [OCH.sub.2 CH.sub.2 ].sub.b [OCH.sub.2 CH(CH.sub.3)].sub.c NH.sub.2 and ##STR3## wherein x is chosen such that the molecular weight of the amine is from about 142 to about 2,000, b is zero or from about 10 to about 50, a + c is about 2.5 and the sum of l, m and n is from about 3 to about 10 and (3) an aldehyde wherein the respective molar ratios of reactants are 1:0.1-10:0.1-10.
Claim 3
Dependent Claim
20 words
The product of claim 1 wherein the molecular weight of the alkyl substituent is from about 400 to about 2,500.
Claim 4
Dependent Claim
10 words
The product of claim 1 wherein the polyalkyl is polypropyl.
Claim 5
Dependent Claim
10 words
The product of claim 1 wherein the polyalkyl is polybutyl.
Claim 6
Dependent Claim
10 words
The product of claim 1 wherein the aldehyde is paraformaldehyde.
Claim 7
Dependent Claim
10 words
The product of claim 1 wherein the aldehyde is formaldehyde.
Claim 8
Dependent Claim
15 words
The product of claim 1 wherein the amine has a molecular weight of about 400.
Claim 9
Dependent Claim
14 words
The product of claim 1 wherein the amine has a molecular weight of 1,000.
Claim 10
Dependent Claim
15 words
The product of claim 1 wherein the amine has a molecular weight of about 2,000.
Claim 11
Dependent Claim
29 words
The product of claim 1 wherein the polyalkyl is polypropyl having a molecular weight of 800, the amine has a molecular weight of 400 and the aldehyde is paraformaldehyde.
Claim 12
Dependent Claim
29 words
The product of claim 1 wherein the polyalkyl is polypropyl having a molecular weight of 800, the amine has a molecular weight of 1,000 and the aldehyde is paraformaldehyde.
Claim 13
Dependent Claim
29 words
The product of claim 1 wherein the polyalkyl is polybutyl having a molecular weight of 2,000, the amine has a molecular weight of 2,000 and the aldehyde is paraformaldehyde.
Claim 14
Dependent Claim
134 words
A fuel composition comprising a major amount of a fuel and a minor amount of a Mannich base product which is the condensation product of (1) a polyalkyl-substituted hydroxyaromatic compound wherein the polyalkyl has a number average molecular weight of from about 100 to about 4,000, (2) an amine having one of the formulae NH.sub.2 CH(CH.sub.3)CH.sub.2 [OCH.sub.2 CH(CH.sub.3)].sub.x NH.sub.2 nh.sub.2 ch(ch.sub.3)ch.sub.2 [och.sub.2 ch(ch.sub.3)].sub.a [OCH.sub.2 CH.sub.2 ].sub.b [OCH.sub.2 CH(CH.sub.3)].sub.c NH.sub.2 and ##STR4## wherein x is chosen such that the molecular weight of the amine is from about 142 to about 2,000, b is zero or from about 10 to about 50, a + c is about 2.5 and the sum of l, m and n is from about 3 to about 10 and (3) an aldehyde wherein the respective molar ratios of reactants are 1:0.1-10:0.1-10.
Claim 15
Dependent Claim
134 words
A fuel composition comprising a major amount of a fuel and a minor amount of a Mannich base product which is the condensation product of (1) a polyalkyl-substituted hydroxyaromatic compound wherein the polyalkyl has a number average molecular weight of from about 100 to about 4,000, (2) an amine having one of the formulae NH.sub.2 CH(CH.sub.3)CH.sub.2 [OCH.sub.2 CH(CH.sub.3)].sub.x NH.sub.2 nh.sub.2 ch(ch.sub.3)ch.sub.2 [och.sub.2 ch(ch.sub.3)].sub.a [OCH.sub.2 CH.sub.2 ].sub.b [OCH.sub.2 CH(CH.sub.3)].sub.c NH.sub.2 and ##STR4## wherein x is chosen such that the molecular weight of the amine is from about 142 to about 2,000, b is zero or from about 10 to about 50, a + c is about 2.5 and the sum of l, m and n is from about 3 to about 10 and (3) an aldehyde wherein the respective molar ratios of reactants are 1:0.1-10:0.1-10.
Claim 16
Dependent Claim
20 words
The composition of claim 13 wherein the molecular weight of the alkyl substituent is from about 400 to about 2,500.
Claim 17
Dependent Claim
10 words
The composition of claim 13 wherein the polyalkyl is polypropyl.
Claim 18
Dependent Claim
10 words
The composition of claim 13 wherein the polyalkyl is polybutyl.
Claim 19
Dependent Claim
10 words
The composition of claim 13 wherein the aldehyde is paraformaldehyde.
Claim 20
Dependent Claim
15 words
The composition of claim 13 wherein the amine has a molecular weight of about 400.
Claim 21
Dependent Claim
14 words
The composition of claim 13 wherein the amine has a molecular weight of 1,000.
Claim 22
Dependent Claim
15 words
The composition of claim 13 wherein the amine has a molecular weight of about 2,000.
Claim 23
Dependent Claim
29 words
The composition of claim 13 wherein the polyalkyl is polypropyl having a molecular weight of 800, the amine has a molecular weight of 400 and the aldehyde is paraformaldehyde.
Claim 24
Dependent Claim
29 words
The composition of claim 13 wherein the polyalkyl is polypropyl having a molecular weight of 800, the amine has a molecular weight of 1,000 and the aldehyde is paraformaldehyde.
Claim 25
Dependent Claim
29 words
The composition of claim 13 wherein the polyalkyl is polybutyl having a molecular weight of 2,000, the amine has a molecular weight of 2,000 and the aldehyde is paraformaldehyde.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-04-10 | 1981-10-10 | 1982-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-04-10 | 1985-10-10 | 1986-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-04-10 | 1989-10-10 | 1990-04-11 | $7700.00 | Window Closed / Lapsed |