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US4338206A Expired / Lapsed US ⏱️ 0.0 years remaining

Quaternary ammonium succinimide salt composition and lubricating oil containing same

Assignee: Texaco Inc
•
Filing: 1981-03-23
•
Granted: 1982-07-06
•
Expires: 2001-03-23
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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.

References Cited (Backward Citations)

US3039860A Cited
US3135765A Cited
US3224968A Cited
US3235556A Cited
US3723460A Cited
US3778371A Cited
US3950341A Cited
US4108858A Cited
US4251380A Cited
US4253980A Cited
US4248719A Cited

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

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