US4486323A
Expired / Lapsed
US
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Lubricants containing borated mixtures of alcohols and sulfides
Assignee: Mobil Oil AS
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Filing: 1983-01-10
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Granted: 1984-12-04
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Expires: 2003-01-10
Abstract
Abstract Lubricant and liquid fuel compositions contain a friction reducing or antioxidant additive. The additive is a borated mixture of (1) a long chain alcohol or an alkoxylated member thereof and (2) a hydroxyalkyl sulfide.
Inventors
- 👤 Andrew G. Horodysky
- 👤 Joan M. Kaminski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:03
CPC Classifications
C; C10; C10L; C10L10/00; C10L10/08; C10L1/00; C10L1/10; C10L1/14; C10L1/30; C10L1/301; C10L1/303; C10M; C10M129/00; C10M129/02; C10M129/04; C10M135/00; C10M135/20; C10M135/22; C10M135/24; C10M139/00; C10M145/00; C10M145/18; C10M145/24; C10M145/26; C10M145/36; C10M159/00; C10M159/12; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/022; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/104; C10M2209/108; C10M2219/00; C10M2219/08; C10M2219/082; C10M2219/084; C10M2227/00; C10M2227/06; C10M2227/061
Claims Analysis
Total Claims: 26
Claim 1
Independent Claim
131 words
A product of reaction made by reacting, at from about 90° C. to about 260° C., (1) a mixture of compounds of the formulas ##STR4## wherein R is a C 8 to C 22 hydrocarbyl group, R 1 is an alkyl group having 1 to 2 carbon atoms, R 2 is an aliphatic group containing from 8 to 22 carbon atoms or mixtures thereof, R 3 is an alkylene group constaining 2 to 5 carbon atoms, x is 0 or 1 and y is 0 to 4, said mixture containing from about 5% to about 95% by weight of the sulfide and a complementary amount of the alcohol, with (2) an amount of a boron compound sufficient to borate at least about 5% of the hydroxyl groups present in said mixture.
Claim 2
Dependent Claim
131 words
A product of reaction made by reacting, at from about 90° C. to about 260° C., (1) a mixture of compounds of the formulas ##STR4## wherein R is a C 8 to C 22 hydrocarbyl group, R 1 is an alkyl group having 1 to 2 carbon atoms, R 2 is an aliphatic group containing from 8 to 22 carbon atoms or mixtures thereof, R 3 is an alkylene group constaining 2 to 5 carbon atoms, x is 0 or 1 and y is 0 to 4, said mixture containing from about 5% to about 95% by weight of the sulfide and a complementary amount of the alcohol, with (2) an amount of a boron compound sufficient to borate at least about 5% of the hydroxyl groups present in said mixture.
Claim 3
Dependent Claim
17 words
The product of claim 1 wherein R is an alkyl, alkenyl, aryl, alkaryl, aralkyl or cycloalkyl group.
Claim 4
Dependent Claim
14 words
The product of claim 1 wherein R 2 is an alkyl or alkenyl group.
Claim 5
Dependent Claim
47 words
The product of claim 1 wherein the boron compound is boric oxide or is of the formula (R.sup.4 O).sub.a B(OH).sub.b wherein R 4 is a C 1 to C 6 alkyl group, a is 0 to 3 and b is 0 to 3, their sum being 3.
Claim 6
Dependent Claim
12 words
The product of claim 4 wherein the boron compound is boric acid.
Claim 7
Dependent Claim
29 words
The product of claim 1 wherein the mixture is of 1,2-dihydroxypropane octadecyl sulfide and a mixed C 12 to C 15 alcohol and the boron compound is boric acid.
Claim 8
Dependent Claim
29 words
The product of claim 1 wherein the mixture is of 1,2-dihydroxypropane dodecyl sulfide and a mixed C 12 to C 15 alcohol and the boron compound is boric acid.
Claim 9
Dependent Claim
30 words
The product of claim 1 wherein the mixture is of 1,2-dihydroxypropane dodecyl sulfide and a mixed C 12 to C 15 triethoxylated alcohol and the boron compound is boric acid.
Claim 10
Dependent Claim
150 words
A lubricant composition comprising a major proportion of a lubricating oil or grease therefrom and an antifriction amount of a product of reaction made by reacting, at from about 90° C. to about 260° C., (1) a mixture of compounds of the formula ##STR5## wherein R is a C 8 to C 22 hydrocarbyl group, R 1 is an alkyl group having 1 to 2 carbon atoms, R 2 is an aliphatic group containing from 8 to 22 carbon atoms or mixtures thereof, R 3 is an alkylene group constaining 2 to 5 carbon atoms, x is 0 or 1 and y is 0 to 4, said mixture containing from about 5% to about 95% by weight of the sulfide and a complementary amount of the alcohol, with (2) an amount of a boron compound sufficient to borate at least about 5% of the hydroxyl groups present in said mixture.
Claim 11
Dependent Claim
150 words
A lubricant composition comprising a major proportion of a lubricating oil or grease therefrom and an antifriction amount of a product of reaction made by reacting, at from about 90° C. to about 260° C., (1) a mixture of compounds of the formula ##STR5## wherein R is a C 8 to C 22 hydrocarbyl group, R 1 is an alkyl group having 1 to 2 carbon atoms, R 2 is an aliphatic group containing from 8 to 22 carbon atoms or mixtures thereof, R 3 is an alkylene group constaining 2 to 5 carbon atoms, x is 0 or 1 and y is 0 to 4, said mixture containing from about 5% to about 95% by weight of the sulfide and a complementary amount of the alcohol, with (2) an amount of a boron compound sufficient to borate at least about 5% of the hydroxyl groups present in said mixture.
Claim 12
Dependent Claim
20 words
The composition of claim 9 wherein in the product R is an alkyl, alkenyl, aryl, alkaryl, aralkyl or cycloalkyl group.
Claim 13
Dependent Claim
17 words
The composition of claim 9 wherein in the product R 2 is an alkyl or alkenyl group.
Claim 14
Dependent Claim
50 words
The composition of claim 9 wherein in the product the boron compound is boric oxide or is of the formula (R.sup.4 O).sub.a B(OH).sub.b wherein R 4 is a C 1 to C 6 alkyl group, a is 0 to 3 and b is 0 to 3, their sum being 3.
Claim 15
Dependent Claim
15 words
The composition of claim 12 wherein in the product the boron compound is boric acid.
Claim 16
Dependent Claim
32 words
The composition of claim 9 wherein in the product the mixture is of 1,2-dihydroxypropane octadecyl sulfide and a mixed C 12 to C 15 alcohol and the boron compound is boric acid.
Claim 17
Dependent Claim
31 words
The composition of claim 9 wherein in the product the mixture is of 1,2-dihydroxypropane dodecyl sulfide and mixed C 12 to C 15 alcohol and the boron compound is boric acid.
Claim 18
Dependent Claim
33 words
The composition of claim 9 wherein in the product the mixture is of 1,2-dihydroxypropane dodecyl sulfide and a mixed C 12 to C 15 triethoxylated alcohol and the boron compound is boric acid.
Claim 19
Dependent Claim
39 words
The composition of claim 9 wherein the lubricant is (1) a mineral oil, (2) a synthetic oil, (3) mixtures of mineral and synthetic oils or of two or more synthetic oils and (4) greases from (1), (2) or (3).
Claim 20
Dependent Claim
12 words
The composition of claim 17 wherein the lubricant is a mineral oil.
Claim 21
Dependent Claim
11 words
The composition of claim 17 wherein the lubricant is a grease.
Claim 22
Dependent Claim
17 words
The composition of claim 17 wherein the lubricant is a synthetic oil or mixture of synthetic oils.
Claim 23
Dependent Claim
21 words
The product of claim 1 wherein the boron content in said product of reaction is from about 0.1% to about 10%.
Claim 24
Dependent Claim
21 words
The composition of claim 9 wherein the boron content in said product of reaction is from about 0.1% to about 10%.
Claim 25
Independent Claim
165 words
A method of reducing fuel consumption in an internal combustion engine which comprises lubricating said engine with a lubricating oil composition comprising a major proportion of a lubricating oil and an antifriction amount of a product of reaction made by reacting, at from about 90° C. to about 260° C., (1) a mixture of compounds of the formula ##STR6## wherein R is a C 8 to C 22 hydrocarbyl group, R 1 is an alkyl group having 1 to 2 carbon atoms, R 2 is an aliphatic group containing from 8 to 22 carbon atoms or mixtures thereof, R 3 is an alkylene group constaining 2 to 5 carbon atoms, x is 0 or 1 and y is 0 to 4, said mixture containing from about 5% to about 95% by weight of the sulfide and a complementary amount of the alcohol, with (2) an amount of a boron compound sufficient to borate at least about 5% of the hydroxyl groups present in said mixture.
Claim 26
Independent Claim
165 words
A method of reducing fuel consumption in an internal combustion engine which comprises lubricating said engine with a lubricating oil composition comprising a major proportion of a lubricating oil and an antifriction amount of a product of reaction made by reacting, at from about 90° C. to about 260° C., (1) a mixture of compounds of the formula ##STR6## wherein R is a C 8 to C 22 hydrocarbyl group, R 1 is an alkyl group having 1 to 2 carbon atoms, R 2 is an aliphatic group containing from 8 to 22 carbon atoms or mixtures thereof, R 3 is an alkylene group constaining 2 to 5 carbon atoms, x is 0 or 1 and y is 0 to 4, said mixture containing from about 5% to about 95% by weight of the sulfide and a complementary amount of the alcohol, with (2) an amount of a boron compound sufficient to borate at least about 5% of the hydroxyl groups present in said mixture.
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) | 1987-12-04 | 1988-06-04 | 1988-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-12-04 | 1992-06-04 | 1992-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-12-04 | 1996-06-04 | 1996-12-04 | $7700.00 | Window Closed / Lapsed |