US4338206A
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Quaternary ammonium succinimide salt composition and lubricating oil containing same
Assignee: Texaco Inc
•
Filing: 1981-03-23
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Granted: 1982-07-06
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Expires: 2001-03-23
Abstract
Abstract A quaternary ammonium succinimide salt composition represented by the formula: ##STR1## in which R is a hydrocarbyl radical having from 25 to 200 carbon atoms, R 1 is a divalent hydrocarbon radical having from 1 to 10 carbon atoms, R 2 is a hydrocarbyl radical having from 1 to 10 carbon atoms, n has a value of 0 or 1, and X is a halide radical is provided, as well as a method of preparation and a lubricating oil composition containing same.
Inventors
- 👤 Kenneth G. Hammond
- 👤 Harry Chafetz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:08
CPC Classifications
C; C10; C10M; C10M133/00; C10M133/52; C10M133/58; C10M2205/00; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/028; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/084; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/064; C10M2215/22; C10M2215/221; C10M2215/225; C10M2215/226; C10M2215/24; C10M2215/30; C10M2217/00; C10M2217/02; C10M2217/022; C10M2217/023; C10M2219/00; C10M2219/04; C10M2219/046; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/045; C10M2229/00; C10M2229/04; C10M2229/041; C10N; C10N2010/00; C10N2010/04; C10N2070/00; C10N2070/02
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
66 words
A quaternary ammonium succinimide salt composition represented by the formula: ##STR8## in which R is a hydrocarbyl radical having from 25 to 200 carbon atoms, R 1 is a divalent hydrocarbon radical having from 1 to 10 carbon atoms, R 2 is a hydrocarbyl radical having from 1 to 10 carbon atoms, n has a value of 0 or 1, and X is a halide radical.
Claim 2
Dependent Claim
66 words
A quaternary ammonium succinimide salt composition represented by the formula: ##STR8## in which R is a hydrocarbyl radical having from 25 to 200 carbon atoms, R 1 is a divalent hydrocarbon radical having from 1 to 10 carbon atoms, R 2 is a hydrocarbyl radical having from 1 to 10 carbon atoms, n has a value of 0 or 1, and X is a halide radical.
Claim 3
Dependent Claim
55 words
A quaternary ammonium succinimide salt composition represented by the formula: ##STR9## in which R is a hydrocarbon radical having from 50 to 125 carbon atoms, R 1 is a methylene or an ethylene radical, R 2 is a hydrocarbyl radical having from 1 to 7 carbon atoms and X is a chloride or bromide anion.
Claim 4
Dependent Claim
55 words
A quaternary ammonium succinimide salt composition represented by the formula: ##STR9## in which R is a hydrocarbon radical having from 50 to 125 carbon atoms, R 1 is a methylene or an ethylene radical, R 2 is a hydrocarbyl radical having from 1 to 7 carbon atoms and X is a chloride or bromide anion.
Claim 5
Dependent Claim
46 words
A quaternary ammonium salt composition represented by the formula: ##STR10## in which R is a hydrocarbon radical having from 50 to 125 carbon atoms, R 2 is a hydrocarbyl radical having from 1 to 7 carbon atoms and X is a chloride or a bromide anion.
Claim 6
Dependent Claim
46 words
A quaternary ammonium salt composition represented by the formula: ##STR10## in which R is a hydrocarbon radical having from 50 to 125 carbon atoms, R 2 is a hydrocarbyl radical having from 1 to 7 carbon atoms and X is a chloride or a bromide anion.
Claim 7
Dependent Claim
41 words
A quaternary ammonium salt composition represented by the formula: ##STR11## in which R is a hydrocarbyl radical having from 25 to 200 carbon atoms, n is 0 or 1, and X is a chloride anion wherein Ph represents the phenyl group.
Claim 8
Dependent Claim
41 words
A quaternary ammonium salt composition represented by the formula: ##STR11## in which R is a hydrocarbyl radical having from 25 to 200 carbon atoms, n is 0 or 1, and X is a chloride anion wherein Ph represents the phenyl group.
Claim 9
Dependent Claim
15 words
The compound benzyl 3-(polyisobutenylsuccinimido)pyridinium chloride wherein said polyisobutenyl substituent has a molecular weight of 1300.
Claim 10
Dependent Claim
15 words
The compound benzyl 3-(polyisobutenylsuccinimido)pyridinium chloride wherein said polyisobutenyl substituent has a molecular weight of 1300.
Claim 11
Dependent Claim
15 words
The compound benzyl 3-(polyisobutenylsuccinimidomethyl)pyridinium chloride wherein said polyisobutenyl substituent has a molecular weight of 1300.
Claim 12
Dependent Claim
15 words
The compound benzyl 3-(polyisobutenylsuccinimidomethyl)pyridinium chloride wherein said polyisobutenyl substituent has a molecular weight of 1300.
Claim 13
Dependent Claim
85 words
A lubricating oil composition comprising a major portion of a mineral lubricating oil and a minor dispersant amount of a quaternary ammonium succinimide salt composition represented by the formula: ##STR12## in which R is a hydrocarbyl radical having from 25 to 200 carbon atoms, R 1 is a divalent hydrocarbon radical having from 1 to 10 carbon atoms, R 2 is a hydrocarbyl radical having from 1 to 10 carbon atoms, n has a value of 0 or 1, and X is a halide radical.
Claim 14
Dependent Claim
85 words
A lubricating oil composition comprising a major portion of a mineral lubricating oil and a minor dispersant amount of a quaternary ammonium succinimide salt composition represented by the formula: ##STR12## in which R is a hydrocarbyl radical having from 25 to 200 carbon atoms, R 1 is a divalent hydrocarbon radical having from 1 to 10 carbon atoms, R 2 is a hydrocarbyl radical having from 1 to 10 carbon atoms, n has a value of 0 or 1, and X is a halide radical.
Claim 15
Dependent Claim
78 words
A lubricating oil composition comprising a major portion of a mineral lubricating oil and a minor dispersant amount of a quaternary ammonium succinimide salt composition according to claim 1 in which R is a hydrocarbon radical having from 50 to 125 carbon atoms, R 1 is a methylene or an ethylene radical, n is 0 or 1, R 2 is a hydrocarbyl radical having from 1 to 7 carbon atoms and X is a chloride or bromide anion.
Claim 16
Dependent Claim
50 words
A lubricating oil composition according to claim 7 in which said quaternary ammonium salt composition has the formula: ##STR13## in which R is a hydrocarbyl radical having from 25 to 200 carbon atoms, n is 0 or 1, and X is a chloride anion wherein Ph represents the phenyl group.
Claim 17
Dependent Claim
57 words
A lubricating oil composition according to claim 7 in which said quaternary ammonium salt composition is represented by the formula: ##STR14## in which R is a hydrocarbon radical having from 50 to 125 carbon atoms, R 2 is a hydrocarbyl radical having from 1 to 7 carbon atoms and X is a chloride or a bromide anion.
Claim 18
Dependent Claim
21 words
A lubricating oil composition according to claim 7 containing from 0.1 to 10 weight percent of said quaternary ammonium salt composition.
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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) | 1985-07-05 | 1986-01-04 | 1986-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-07-05 | 1990-01-04 | 1990-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-07-05 | 1994-01-04 | 1994-07-06 | $7700.00 | Window Closed / Lapsed |