US4339336A
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: 1982-07-13
•
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 i is a divalent hydrocarbon radical having from 1 to 10 carbon atoms, R ii is a hydrocarbyl radical having from 1 to 10 carbon atoms, X has a value of 2 or 3, y has a value from 1 to 5, z has a value of 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
2026-11-01 14:44
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; C10M2215/04; 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; C10M2223/045; C10M2225/00; C10M2225/04; C10M2225/041; C10N; C10N2010/00; C10N2010/04; C10N2020/00; C10N2020/01; C10N2070/00; C10N2070/02
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
82 words
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 i is a divalent hydrocarbon radical having from 1 to 10 carbon atoms, R ii is a hydrocarbyl radical having from 1 to 10 carbon atoms, x has a value of 2 or 3, y has a value from 1 to 5, z has a value of 0 to 5, and X is a halide radical.
Claim 2
Dependent Claim
82 words
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 i is a divalent hydrocarbon radical having from 1 to 10 carbon atoms, R ii is a hydrocarbyl radical having from 1 to 10 carbon atoms, x has a value of 2 or 3, y has a value from 1 to 5, z has a value of 0 to 5, and X is a halide radical.
Claim 3
Dependent Claim
70 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, R i is a methylene radical, R ii is hydrogen or a methyl radical, x has a value of 2 or 3, y has a value from 1 to 5, z has a value of 0 to 2, and X is a chloride or bromide anion.
Claim 4
Dependent Claim
38 words
A quaternary ammonium salt composition represented by the formula: ##STR10## in which R is a hydrocarbyl radical having from 25 to 200 carbon atoms, y has a value from 1 to 4, and X is a chloride anion.
Claim 5
Dependent Claim
38 words
A quaternary ammonium salt composition represented by the formula: ##STR10## in which R is a hydrocarbyl radical having from 25 to 200 carbon atoms, y has a value from 1 to 4, and X is a chloride anion.
Claim 6
Dependent Claim
101 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: ##STR11## in which R is a hydrocarbyl radical having from 25 to 200 carbon atoms, R i is a divalent hydrocarbon radical having from 1 to 10 carbon atoms, R ii is a hydrocarbyl radical having from 1 to 10 carbon atoms, x has a value of 2 or 3, y has a value from 1 to 5, z has a value of 0 to 5, and X is a halide radical.
Claim 7
Dependent Claim
101 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: ##STR11## in which R is a hydrocarbyl radical having from 25 to 200 carbon atoms, R i is a divalent hydrocarbon radical having from 1 to 10 carbon atoms, R ii is a hydrocarbyl radical having from 1 to 10 carbon atoms, x has a value of 2 or 3, y has a value from 1 to 5, z has a value of 0 to 5, and X is a halide radical.
Claim 8
Dependent Claim
89 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 i is a methylene radical, R ii is hydrogen or a methyl radical, x has a value of 2 or 3, y has a value from 1 to 5, z has a value of 0 to 2, and X is a chloride or bromide anion.
Claim 9
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: ##STR12## in which R is a hydrocarbyl radical having from 25 to 200 carbon atoms, y has a value from 1 to 4, and X is a chloride anion.
Claim 10
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: ##STR12## in which R is a hydrocarbyl radical having from 25 to 200 carbon atoms, y has a value from 1 to 4, and X is a chloride anion.
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) | 1985-07-12 | 1986-01-11 | 1986-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-07-12 | 1990-01-11 | 1990-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-07-12 | 1994-01-11 | 1994-07-13 | $7700.00 | Window Closed / Lapsed |