US4326973A
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Quaternary ammonium succinimide salt composition and lubricating oil containing same
Assignee: Texaco Development Corp
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Filing: 1981-01-13
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Granted: 1982-04-27
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Expires: 2001-01-13
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 3-10 carbon atoms, R 2 is hydrogen or an alkyl radical having from 1 to 4 carbon atoms, z has a value from 0 to 5 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 21:28
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; C10M133/00; C10M133/52; C10M133/58; C10M2205/00; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/027; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/084; C10M2209/10; C10M2209/103; C10M2209/104; 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; C10M2219/00; C10M2219/04; C10M2219/046; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/045; C10M2225/00; C10M2225/04; C10M2225/041; C10M2229/00; C10M2229/04; C10M2229/041; C10N; C10N2010/00; C10N2010/04
Claims Analysis
Total Claims: 21
Claim 1
Independent Claim
68 words
A quaternary ammonium succinimide salt composition represented by the formula: ##STR7## in which R is a hydrocarbyl radical having from 25 to 200 carbon atoms, R 1 is a divalent hydrocarbon radical having from 3 to 10 carbon atoms, R 2 is hydrogen or an alkyl radical having from 1 to 4 carbon atoms, z has a value from 0 to 5 and X is a halide radical.
Claim 2
Dependent Claim
68 words
A quaternary ammonium succinimide salt composition represented by the formula: ##STR7## in which R is a hydrocarbyl radical having from 25 to 200 carbon atoms, R 1 is a divalent hydrocarbon radical having from 3 to 10 carbon atoms, R 2 is hydrogen or an alkyl radical having from 1 to 4 carbon atoms, z has a value from 0 to 5 and X is a halide radical.
Claim 3
Dependent Claim
40 words
A quaternary ammonium succinimide salt composition according to claim 1 in which R is a hydrocarbon radical having from 50 to 125 carbon atoms, z has a value from 0 to 2, and X is a chloride or bromide anion.
Claim 4
Dependent Claim
20 words
A quaternary ammonium succinimide salt composition according to claim 1, in which R 2 represents hydrogen or a methyl radical.
Claim 5
Dependent Claim
39 words
A quaternary ammonium salt salt composition represented by the formula: ##STR8## in which R is a hydrocarbyl radical having from 25 to 200 carbon atoms, R 2 is hydrogen or a methyl radical and X is a chloride anion.
Claim 6
Dependent Claim
39 words
A quaternary ammonium salt salt composition represented by the formula: ##STR8## in which R is a hydrocarbyl radical having from 25 to 200 carbon atoms, R 2 is hydrogen or a methyl radical and X is a chloride anion.
Claim 7
Dependent Claim
4 words
The compound N-(3-polyisobutenylsuccinimidopropyl)-4-methylpyridinium chloride.
Claim 8
Dependent Claim
4 words
The compound N-(3-polyisobutenylsuccinimidopropyl)-4-methylpyridinium chloride.
Claim 9
Dependent Claim
4 words
The compound N-(4-polyisobutenylsuccinimidobutyl)pyridinium chloride.
Claim 10
Dependent Claim
4 words
The compound N-(4-polyisobutenylsuccinimidobutyl)pyridinium chloride.
Claim 11
Dependent Claim
5 words
The compound N-(5-polyisobutenylsuccinimidopentyl) 4-methylpyridinium chloride.
Claim 12
Dependent Claim
5 words
The compound N-(5-polyisobutenylsuccinimidopentyl) 4-methylpyridinium chloride.
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: ##STR9## in which R is a hydrocarbyl radical having from 25 to 200 carbon atoms, R 1 is a divalent hydrocarbon radical having from 3-10 carbon atoms, R 2 is hydrogen or an alkyl radical having from 1 to 4 carbon atoms, z has a value from 0 to 5 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: ##STR9## in which R is a hydrocarbyl radical having from 25 to 200 carbon atoms, R 1 is a divalent hydrocarbon radical having from 3-10 carbon atoms, R 2 is hydrogen or an alkyl radical having from 1 to 4 carbon atoms, z has a value from 0 to 5 and X is a halide radical.
Claim 15
Dependent Claim
51 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 8 in which R is a hydrocarbon radical having from 50 to 125 carbon atoms, and X is a chloride or bromide anion.
Claim 16
Dependent Claim
39 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 8, in which R 2 is hydrogen or a methyl radical.
Claim 17
Dependent Claim
57 words
A lubricating oil composition comprising a major portion of a mineral lubricating oil and a minor dispersant amount of a quaternary ammonium salt composition represented by the formula: ##STR10## in which R is a hydrocarbyl radical having from 25 to 200 carbon atoms, R 2 is hydrogen or a methyl radical and X is a chloride anion.
Claim 18
Dependent Claim
57 words
A lubricating oil composition comprising a major portion of a mineral lubricating oil and a minor dispersant amount of a quaternary ammonium salt composition represented by the formula: ##STR10## in which R is a hydrocarbyl radical having from 25 to 200 carbon atoms, R 2 is hydrogen or a methyl radical and X is a chloride anion.
Claim 19
Dependent Claim
15 words
A lubricating oil composition according to claim 8 in which said dispersant is N-polyisobutenylsuccinimidopropyl)-4-methylpyridinium chloride.
Claim 20
Dependent Claim
15 words
A lubricating oil composition according to claim 8 in which said dispersant is N-(4-polyisobutenylsuccinimidobutyl)pyridinium chloride.
Claim 21
Dependent Claim
15 words
A lubricating oil composition according to claim 8 in which said dispersant is N-(5-polyisobutenylsuccinimidopentyl)-4-methylpyridinium chloride.
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| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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| 3.5 Years (Year 4) | 1985-04-26 | 1985-10-26 | 1986-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-04-26 | 1989-10-26 | 1990-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-04-26 | 1993-10-26 | 1994-04-27 | $7700.00 | Window Closed / Lapsed |