US4536309A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Zwitterionic quaternary ammonium sulfonates and sulfates and lubricants containing same
Assignee: Mobil Oil AS
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Filing: 1982-07-29
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Granted: 1985-08-20
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Expires: 2002-07-29
Abstract
Abstract Zwitterionic Quaternary ammonium sulfates, and sulfonates are provided as new compounds and as highly effective additives to lubricants and liquid fuels. They have a variety of desirable effects, among them being their ability to reduce friction in an internal combustion engine, thereby reducing the amount of fuel consumed.
Inventors
- 👤 Andrew G. Horodysky
- 👤 Joan M. Kaminski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 09:18
CPC Classifications
C; C10; C10L; C10L10/00; C10L10/08; C10L1/00; C10L1/10; C10L1/14; C10L1/24; C10L1/2431; C10L1/2437; C10L10/04; C10M; C10M135/00; C10M135/08; C10M135/10; C10M2219/00; C10M2219/04; C10M2219/042; C10M2219/044; C10N; C10N2040/00; C10N2040/25; C10N2040/251; C10N2040/255; C10N2040/28; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 29
Claim 1
Independent Claim
67 words
A composition of the formula ##STR4## wherein (1) R, R 1 and R 2 are hydrocarbyl groups selected from the group consisting of C 1 to C 30 alkyl groups, C 6 to C 30 alkenyl groups and any mixtures thereof, (2) R 3 is a C 2 to C 6 alkylene group or a benzyl group and (3) Q is a sulfonate or a sulfate group.
Claim 2
Dependent Claim
67 words
A composition of the formula ##STR4## wherein (1) R, R 1 and R 2 are hydrocarbyl groups selected from the group consisting of C 1 to C 30 alkyl groups, C 6 to C 30 alkenyl groups and any mixtures thereof, (2) R 3 is a C 2 to C 6 alkylene group or a benzyl group and (3) Q is a sulfonate or a sulfate group.
Claim 3
Dependent Claim
17 words
The compound of claim 1 wherein the hydrocarbyl groups are alkyl, alkenyl, aryl, aralkyl and alkaryl groups.
Claim 4
Dependent Claim
12 words
The compound of claim 2 wherein the hydrocarbyl groups are alkyl groups.
Claim 5
Dependent Claim
19 words
The compound of claim 3 wherein the hydrocarbyl group is an alkenyl group of 6 to 30 carbon atoms.
Claim 6
Dependent Claim
9 words
THe compound of claim 1 having the formula ##STR5##
Claim 7
Dependent Claim
9 words
The compound of claim 1 having the formula ##STR6##
Claim 8
Dependent Claim
9 words
the compound of claim 1 having the formula ##STR7##
Claim 9
Dependent Claim
9 words
The compound of claim 1 having the formula ##STR8##
Claim 10
Dependent Claim
9 words
The compound of claim 1 having the formula ##STR9##
Claim 11
Dependent Claim
9 words
The compound of claim 1 having the formula ##STR10##
Claim 12
Dependent Claim
76 words
A lubricant composition comprising a major proportion of a lubricating oil or grease therefrom and a friction reducing amount of the formula ##STR11## wherein (1) R, R 1 and R 2 are hydrocarbyl groups selected from the group consisting of C 1 to C 30 alkenyl groups and mixtures thereof, (2) R 3 is a C 2 to C 6 alkylene group or a benzyl group and (3) Q is a sulfonate or a sulfate group.
Claim 13
Dependent Claim
76 words
A lubricant composition comprising a major proportion of a lubricating oil or grease therefrom and a friction reducing amount of the formula ##STR11## wherein (1) R, R 1 and R 2 are hydrocarbyl groups selected from the group consisting of C 1 to C 30 alkenyl groups and mixtures thereof, (2) R 3 is a C 2 to C 6 alkylene group or a benzyl group and (3) Q is a sulfonate or a sulfate group.
Claim 14
Dependent Claim
17 words
The composition of claim 11 wherein the hydrocarbyl groups are alkyl, alkenyl, aryl, aralkyl and alkaryl groups.
Claim 15
Dependent Claim
12 words
The composition of claim 12 wherein the hydrocarbyl groups are alkyl groups.
Claim 16
Dependent Claim
19 words
The composition of claim 13 wherein the hydrocarbyl group is an alkenyl group of 6 to 30 carbon atoms.
Claim 17
Dependent Claim
12 words
The composition of claim 11 wherein the compound has the formula: ##STR12##
Claim 18
Dependent Claim
12 words
The composition of claim 11 wherein the compound has the formula: ##STR13##
Claim 19
Dependent Claim
12 words
The composition of claim 11 wherein the compound has the formula: ##STR14##
Claim 20
Dependent Claim
12 words
The composition of claim 11 wherein the compound has the formula: ##STR15##
Claim 21
Dependent Claim
12 words
The composition of claim 11 wherein the compound has the formula: ##STR16##
Claim 22
Dependent Claim
12 words
The composition of claim 11 wherein the compound has the formula: ##STR17##
Claim 23
Dependent Claim
22 words
The composition of claims 11, 12, 13, 14, 15, 16, 17, 18, 19, or 20 wherein the lubricant is a lubricating oil.
Claim 24
Dependent Claim
29 words
The composition of claim 21 wherein the lubricating oil is (1) a mineral oil, (2) a synthetic oil or mixtures thereof or (3) a mixture of 1 and 2.
Claim 25
Dependent Claim
13 words
The composition of claim 21 wherein the lubricating oil is a mineral oil.
Claim 26
Dependent Claim
18 words
The composition of claim 21 wherein the lubricating oil is a synthetic oil or mixtures of synthetic oils.
Claim 27
Dependent Claim
11 words
The composition of claim 11 wherein the lubricant is a grease.
Claim 28
Dependent Claim
22 words
The compound of claim 1 wherein the alkyl group is methyl, propyl, butyl, octyl, decyl, mixed C 12 -C 18 or octadecyl.
Claim 29
Dependent Claim
22 words
The composition of claim 11 wherein the alkyl group is methyl, propyl, butyl, octyl, decyl, mixed C 12 -C 18 or octadecyl.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-08-19 | 1989-02-18 | 1989-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-08-19 | 1993-02-18 | 1993-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-08-19 | 1997-02-18 | 1997-08-20 | $7700.00 | Window Closed / Lapsed |