US4581150A
Expired / Lapsed
US
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Zwitterionic quaternary ammonium sulfonates and sulfates and lubricants and fuels containing same
Assignee: Mobil Oil AS
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Filing: 1985-06-05
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Granted: 1986-04-08
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Expires: 2005-06-05
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
2026-11-06 12:53
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: 19
Claim 1
Independent Claim
54 words
A composition of the formula ##STR4## wherein: (1) R 1 and R 2 are C 1 to C 30 hydrocarbyl groups, (2) R 3 is a C 2 to C 6 alkylene group or a benzyl group and (3) R 4 is hydrogen or methyl, and (4) Q is a sulfonate or sulfate group.
Claim 2
Dependent Claim
54 words
A composition of the formula ##STR4## wherein: (1) R 1 and R 2 are C 1 to C 30 hydrocarbyl groups, (2) R 3 is a C 2 to C 6 alkylene group or a benzyl group and (3) R 4 is hydrogen or methyl, and (4) Q is a sulfonate or 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 1 wherein the hydrocarbyl groups are alkyl groups.
Claim 5
Dependent Claim
19 words
The compound of claim 1 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
71 words
A lubricant composition comprising a major proportion of a lubricating oil or grease therefrom and a friction reducing amount of the formula ##STR6## wherein: (1) R 1 and R 2 are C 1 to C 30 hydrocarbyl groups, (2) R 3 is a C 2 to C 6 alkylene group or a benzyl group and (3) R 4 is hydrogen or methyl, and (4) Q is a sulfonate or sulfate group.
Claim 8
Dependent Claim
71 words
A lubricant composition comprising a major proportion of a lubricating oil or grease therefrom and a friction reducing amount of the formula ##STR6## wherein: (1) R 1 and R 2 are C 1 to C 30 hydrocarbyl groups, (2) R 3 is a C 2 to C 6 alkylene group or a benzyl group and (3) R 4 is hydrogen or methyl, and (4) Q is a sulfonate or sulfate group.
Claim 9
Dependent Claim
17 words
The composition of claim 6 wherein the hydrocarbyl groups are alkyl, alkenyl, aryl, aralkyl and alkaryl groups.
Claim 10
Dependent Claim
12 words
The composition of claim 7 wherein the hydrocarbyl groups are alkyl groups.
Claim 11
Dependent Claim
19 words
The composition of claim 6 wherein the hydrocarbyl group is an alkenyl group of 6 to 30 carbon atoms.
Claim 12
Dependent Claim
12 words
The composition of claim 6 wherein the compound has the formula: ##STR7##
Claim 13
Dependent Claim
22 words
A compound of claim 1 wherein the alkyl group is methyl, propyl, butyl octyl, decyl, mixed C 12 -C 18 or octadecyl.
Claim 14
Dependent Claim
22 words
The composition of claim 6 wherein the alkyl group is methyl, propyl, butyl, octyl, decyl, mixed C 12 -C 18 or octadecyl.
Claim 15
Dependent Claim
17 words
The composition of claims 6, 7, 8, 9 or 10 wherein the lubricant is a lubricating oil.
Claim 16
Dependent Claim
29 words
The composition of claim 13 wherein the lubricating oil is (1) a mineral oil, (2) a synthetic oil or mixtures thereof or (3) a mixture of 1 to 2.
Claim 17
Dependent Claim
13 words
The composition of claim 13 wherein the lubricating oil is a mineral oil.
Claim 18
Dependent Claim
18 words
The composition of claim 13 wherein the lubricating oil is a synthetic oil or mixtures of synthetic oils.
Claim 19
Dependent Claim
11 words
The composition of claim 6 wherein the lubricant is a grease.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
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Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-04-07 | 1989-10-07 | 1990-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-04-07 | 1993-10-07 | 1994-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-04-07 | 1997-10-07 | 1998-04-08 | $7700.00 | Window Closed / Lapsed |