US4354950A
Expired / Lapsed
US
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Mannich base derivative of hydroxyaryl succinimide and hydrocarbon oil composition containing same
Assignee: Texaco Inc
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Filing: 1980-12-29
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Granted: 1982-10-19
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Expires: 2000-12-29
Abstract
Abstract A Mannich base derivative of a hydroxyaryl succinimide represented by the formula: ##STR1## in which R is a hydrocarbyl radical having from about 25 to 200 carbon atoms, R' is hydrogen, an alkyl radical or a halogen radical, n has a value of 2 or 3, m has a value from 1 to 5, Y is hydrogen or a methylene hydroxyaryl succinimide radical, and x has a value of 1 to 2 when Y is hydrogen and a value of 1 when Y is a methylene hydroxyaryl succinimide radical is provided, as well as a method of preparation and a hydrocarbon lubricating oil composition containing same.
Inventors
- 👤 Kenneth G. Hammond
- 👤 Garren E. Maas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:44
CPC Classifications
C; C07; C07D; C07D207/00; C07D207/02; C07D207/30; C07D207/34; C07D207/36; C07D207/40; C07D207/404; C07D207/408; C07D207/412; C10; C10M; C10M159/00; C10M159/12; C10M159/16; C10M2205/00; C10M2205/02; C10M2205/022; C10M2205/024; C10M2205/14; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/027; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/084; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/06; C10M2215/064; C10M2215/086; C10M2215/24; C10M2215/26; C10M2215/28; C10M2217/00; C10M2217/02; C10M2217/022; C10M2217/023; C10M2217/04; C10M2217/046; C10M2217/06; C10M2219/00; C10M2219/04; C10M2219/046; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/042; C10M2223/045; C10M2225/00; C10M2225/04; C10M2225/041; C10M2229/00; C10M2229/04; C10M2229/041; C10N; C10N2010/00; C10N2010/04; C10N2020/00; C10N2020/01; C10N2070/00; C10N2070/02
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
89 words
A Mannich base derivative of a hydroxyaryl succinimide represented by the formula: ##STR10## in which R is a hydrocarbyl radical having from about 25 to 200 carbon atoms, R' is hydrogen, an alkyl radical or a halogen radical, n has a value of 2 or 3, m has a value from 1 to 5, Y is hydrogen or a methylene hydroxyaryl succinimide radical, and x has a value of 1 to 2 when Y is hydrogen and a value of 1 when Y is a methylene hydroxyaryl succinimide radical.
Claim 2
Dependent Claim
89 words
A Mannich base derivative of a hydroxyaryl succinimide represented by the formula: ##STR10## in which R is a hydrocarbyl radical having from about 25 to 200 carbon atoms, R' is hydrogen, an alkyl radical or a halogen radical, n has a value of 2 or 3, m has a value from 1 to 5, Y is hydrogen or a methylene hydroxyaryl succinimide radical, and x has a value of 1 to 2 when Y is hydrogen and a value of 1 when Y is a methylene hydroxyaryl succinimide radical.
Claim 3
Dependent Claim
63 words
A Mannich base derivative of a hydroxyaryl succinimide represented by the formula: ##STR11## in which R is a hydrocarbyl radical having from about 25 to 200 carbon atoms, R' is hydrogen, an alkyl radical or a halogen radical, n has a value of 2 or 3, m has a value from 1 to 5, and x has a value from 1 to 2.
Claim 4
Dependent Claim
63 words
A Mannich base derivative of a hydroxyaryl succinimide represented by the formula: ##STR11## in which R is a hydrocarbyl radical having from about 25 to 200 carbon atoms, R' is hydrogen, an alkyl radical or a halogen radical, n has a value of 2 or 3, m has a value from 1 to 5, and x has a value from 1 to 2.
Claim 5
Dependent Claim
45 words
A Mannich base derivative of a hydroxyaryl succinimide represented by the formula: ##STR12## in which R is a hydrocarbyl radical having from about 50 to 100 carbon atoms, m has a value from 1 to 3, and x has a value from 1 to 2.
Claim 6
Dependent Claim
45 words
A Mannich base derivative of a hydroxyaryl succinimide represented by the formula: ##STR12## in which R is a hydrocarbyl radical having from about 50 to 100 carbon atoms, m has a value from 1 to 3, and x has a value from 1 to 2.
Claim 7
Dependent Claim
19 words
A Mannich base derivative according to claim 1 in which said methylene hydroxyaryl succinimide radical has the formula: ##STR13##
Claim 8
Dependent Claim
13 words
A compound according to claim 1 in which R represents an alkenyl radical.
Claim 9
Dependent Claim
13 words
A compound according to claim 1 in which R represents a polyisobutenyl radical.
Claim 10
Dependent Claim
108 words
A lubricating oil composition comprising a major portion of a mineral lubricating oil and a minor dispersant amount of a Mannich base derivative of a hydroxyaryl succinimide represented by the formula: ##STR14## in which R is a hydrocarbyl radical having from about 25 to 200 carbon atoms, R' is hydrogen, an alkyl radical or a halogen radical, n has a value of 2 or 3, m has a value from 1 to 5, Y is hydrogen or a methylene hydroxyaryl succinimide radical, and x has a value of 1 to 2 when Y is hydrogen and a value of 1 when Y is a methylene hydroxyaryl succinimide radical.
Claim 11
Dependent Claim
108 words
A lubricating oil composition comprising a major portion of a mineral lubricating oil and a minor dispersant amount of a Mannich base derivative of a hydroxyaryl succinimide represented by the formula: ##STR14## in which R is a hydrocarbyl radical having from about 25 to 200 carbon atoms, R' is hydrogen, an alkyl radical or a halogen radical, n has a value of 2 or 3, m has a value from 1 to 5, Y is hydrogen or a methylene hydroxyaryl succinimide radical, and x has a value of 1 to 2 when Y is hydrogen and a value of 1 when Y is a methylene hydroxyaryl succinimide radical.
Claim 12
Dependent Claim
82 words
A lubricating oil composition comprising a major portion of a mineral lubricating oil and a minor dispersant amount of a Mannich base derivative of a hydroxyaryl succinimide represented by the formula: ##STR15## in which R is a hydrocarbyl radical having from about 25 to 200 carbon atoms, R' is hydrogen, an alkyl radical or a halogen radical, n has a value of 2 or 3, m has a value from 1 to 5, and x has a value from 1 to 2.
Claim 13
Dependent Claim
82 words
A lubricating oil composition comprising a major portion of a mineral lubricating oil and a minor dispersant amount of a Mannich base derivative of a hydroxyaryl succinimide represented by the formula: ##STR15## in which R is a hydrocarbyl radical having from about 25 to 200 carbon atoms, R' is hydrogen, an alkyl radical or a halogen radical, n has a value of 2 or 3, m has a value from 1 to 5, and x has a value from 1 to 2.
Claim 14
Dependent Claim
19 words
A lubricating oil compositon according to claim 7 in which said methylene hydroxyaryl succinimide radical has the formula: ##STR16##
Claim 15
Dependent Claim
64 words
A lubricating oil composition comprising a major portion of a mineral lubricating oil and a minor dispersant amount of a Mannich base derivative of a hydroxyaryl succinimide represented by the formula: ##STR17## in which R is a hydrocarbyl radical having from about 50 to 100 carbon atoms, m has a value from 1 to 3 and x has a value from 1 to 2.
Claim 16
Dependent Claim
64 words
A lubricating oil composition comprising a major portion of a mineral lubricating oil and a minor dispersant amount of a Mannich base derivative of a hydroxyaryl succinimide represented by the formula: ##STR17## in which R is a hydrocarbyl radical having from about 50 to 100 carbon atoms, m has a value from 1 to 3 and x has a value from 1 to 2.
Claim 17
Dependent Claim
15 words
A lubricating oil composition according to claim 7 in which R represents an alkenyl radical.
Claim 18
Dependent Claim
15 words
A lubricating oil composition according to claim 7 in which R represents a polyisobutenyl radical.
Claim 19
Dependent Claim
25 words
A lubricating oil composition according to claim 7 containing from about 0.1 to 10 weight percent of said Mannich base derivative of a hydroxyaryl succinimide.
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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) | 1985-10-18 | 1986-04-19 | 1986-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-10-18 | 1990-04-19 | 1990-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-10-18 | 1994-04-19 | 1994-10-19 | $7700.00 | Window Closed / Lapsed |