US4600517A
Expired / Lapsed
US
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Grease composition containing boronated alcohols, and hydroxy-containing thickeners
Assignee: Mobil Oil AS
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Filing: 1984-08-22
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Granted: 1986-07-15
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Expires: 2004-08-22
Abstract
Abstract Grease compositions, wherein the grease is thickened with a metal hydroxy-containing soap grease thickener are provided. Another essential ingredient of the composition is a borated hydrocarbyl alcohol, and it may optionally contain phosphorus and sulfur moieties.
Inventors
- 👤 John P. Doner
- 👤 Andrew G. Horodysky
- 👤 John A. Keller, Jr.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 00:00
CPC Classifications
C; C10; C10M; C10M169/00; C10M169/06; C10M117/00; C10M117/02; C10M117/04; C10M139/00; C10M2201/00; C10M2201/14; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/122; C10M2207/123; C10M2207/124; C10M2207/1245; C10M2207/125; C10M2207/128; C10M2207/1285; C10M2207/129; C10M2207/22; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/086; C10M2215/10; C10M2215/102; C10M2215/24; C10M2215/26; C10M2215/28; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/045; C10M2227/00; C10M2227/06; C10M2227/061; C10M2227/062; C10M2227/063; C10M2227/065; C10M2227/066; C10N; C10N2010/00; C10N2010/02; C10N2010/04
Claims Analysis
Total Claims: 32
Claim 1
Independent Claim
125 words
An improved grease composition comprising a major amount of a grease and from about 0.01% to about 10% by weight of the composition of a reaction product made by reacting an alcohol of the formula ROH wherein R is a hydrocarbyl group or mixture thereof, containing from 10 to 30 carbon atoms with a boron compound selected from the group consisting of boric acid, boric oxide, a metaborate and an alkyl borate of the formula (R.sup.1 --O).sub.x B(OH).sub.y wherein x is 1 to 3, y is 0 to 2, their sum being 3, and R 1 -- is an alkyl group having 1 to 6 carbon atoms said grease being thickened with a thickener containing at least about 15% by weight of a hydroxy-containing thickener.
Claim 2
Dependent Claim
125 words
An improved grease composition comprising a major amount of a grease and from about 0.01% to about 10% by weight of the composition of a reaction product made by reacting an alcohol of the formula ROH wherein R is a hydrocarbyl group or mixture thereof, containing from 10 to 30 carbon atoms with a boron compound selected from the group consisting of boric acid, boric oxide, a metaborate and an alkyl borate of the formula (R.sup.1 --O).sub.x B(OH).sub.y wherein x is 1 to 3, y is 0 to 2, their sum being 3, and R 1 -- is an alkyl group having 1 to 6 carbon atoms said grease being thickened with a thickener containing at least about 15% by weight of a hydroxy-containing thickener.
Claim 3
Dependent Claim
41 words
The composition of claim 1 additionally containing from about 0.01% to about 10% by weight of the composition of a phosphorus and sulfur compound or a mixture of phosphorus-containing and sulfur-containing compounds to supply a like amount of phosphorus and sulfur.
Claim 4
Dependent Claim
34 words
The composition of claim 1 wherein the thickener is an alkali metal, alkaline earth metal or amine soap of a hydroxy-containing fatty acid, fatty glyceride or fatty ester containing 12 to 30 carbon atoms.
Claim 5
Dependent Claim
14 words
The composition of claim 3 wherein the metal is sodium, lithium, calcium or barium.
Claim 6
Dependent Claim
25 words
The composition of claim 3 wherein the thickener is derived from 12-hydroxystearic acid, 14-hydroxystearic acid, 16-hydroxystearic acid, 6-hydroxystearic acid or the ester or glyceride thereof.
Claim 7
Dependent Claim
25 words
The composition of claim 1 wherein R is a straight or branched chain aliphatic group, a cycloaliphatic group, an alkaryl group or an aralkyl group.
Claim 8
Dependent Claim
38 words
The composition of claim 6 wherein R is a decyl, dodecyl, pentadecyl, hexadecyl, octadecyl, isooctadecyl, oleyl, mixed C 12 to C 15 alkyl, mixed C 15 to C 18 alkyl or C 20 to C 24 alkyl group.
Claim 9
Dependent Claim
12 words
The composition of claim 1 wherein the boron compound is boric acid.
Claim 10
Dependent Claim
74 words
The composition of claim 2 wherein the phosphorus and sulfur moieties are supplied by a phosphorothioate of the formula ##STR2## wherein R 3 is a hydrocarbyl group containing 3 to 18 carbon atoms, M is a metal or non-metal, the non-metal selected from the group consisting of vinyl esters, vinyl ethers, epoxides, and organic amines, n is the valence of M, and Z is oxygen or sulfur, at least one z atom being sulfur.
Claim 11
Dependent Claim
16 words
The composition of claim 9 wherein R 3 is an alkyl group or an alkaryl group.
Claim 12
Dependent Claim
28 words
The composition of claim 10 wherein R 3 is a propyl, butyl, pentyl, hexyl, octyl, dodecyl, tetradecyl, octadecyl, butylphenyl, octylphenyl, nonylphenyl, dodecylphenyl or oleyl group or mixtures thereof.
Claim 13
Dependent Claim
20 words
The composition of claim 11 wherein R 3 is derived from isopropanol, butanol, isobutanol, sec-butanol, 4-methyl-2-pentanol, 2-ethylhexanol or mixtures thereof.
Claim 14
Dependent Claim
23 words
The composition of claim 9 wherein M is a metal from Group IA, IB, IIA, IIB, VIB or VIII of the Periodic Table.
Claim 15
Dependent Claim
18 words
The composition of claim 13 wherein the metal is lithium, sodium, calcium, barium, zinc, cadmium, molybdenum or gold.
Claim 16
Dependent Claim
10 words
The composition of claim 14 wherein the metal is zinc.
Claim 17
Dependent Claim
10 words
The composition of claim 14 wherein the metal is molybdenum.
Claim 18
Dependent Claim
26 words
The composition of claim 9 wherein M is derived from vinyl acetate, butyl vinyl ether, propylene oxide, 1,2-epoxydodecane, or C 10 to C 20 aliphatic amines.
Claim 19
Dependent Claim
70 words
The composition of claim 2 wherein the phosphorus and sulfur moieties are supplied by a combination of (1) a dihydrocarbyl phosphite having 2 to 10 carbon atoms in each hydrocarbyl group, mixtures of such phosphites, or a dihydrocarbyl phosphate ester having 4 to 20 carbon atoms in each hydrocarbyl group and (2) a sulfide selected from the group consisting of sulfurized isobutylene, dibenzyl disulfide, sulfurized terpenes and sulfurized jojoba oil.
Claim 20
Dependent Claim
19 words
The composition of claim 18 wherein the phosphite is a dibutyl, dihexyl, dioctyl or didecyl phosphite or mixtures thereof.
Claim 21
Dependent Claim
19 words
The composition of claim 18 wherein the phosphate ester is a tributyl, tridecyl or tricresyl phosphate or mixtures thereof.
Claim 22
Dependent Claim
49 words
The composition of claim 18 wherein the alcohol is a mixed C 12 to C 15 alkanol, the boron compound is boric acid and the phosphorus- and sulfur-containing compound is zinc dialkyl phosphorodithioate wherein the alkyl group is derived from mixed C 3 secondary and C 6 primary alcohols.
Claim 23
Dependent Claim
13 words
The composition of claim 1 wherein the grease vehicle is a mineral oil.
Claim 24
Dependent Claim
13 words
The composition of claim 1 wherein the grease vehicle is a synthetic oil.
Claim 25
Dependent Claim
17 words
The composition of claim 1 wherein the grease vehicle is a mixture of mineral and synthetic oils.
Claim 26
Dependent Claim
129 words
An improved process for manufacturing a grease containing additive, comprising the steps of thickening the grease with a thickener containing at least about 15% by weight of a hydroxy-containing soap thickener and then adding to said grease at from about 50° C. to about 200° C., a reaction product made by reacting an alcohol of the formula ROH PS wherein R is a hydrocarbyl group or mixture thereof, containing from 10 to 30 carbon atoms with a boron compound selected from the group consisting of boric acid, boric oxide, a metaborate and an alkyl borate of the formula (R.sup.1 --O).sub.x B(OH).sub.y wherein x is 1 to 3, y is 0 to 2, their sum being 3, and R 1 is an alkyl group having 1 to 6 carbon atoms.
Claim 27
Dependent Claim
129 words
An improved process for manufacturing a grease containing additive, comprising the steps of thickening the grease with a thickener containing at least about 15% by weight of a hydroxy-containing soap thickener and then adding to said grease at from about 50° C. to about 200° C., a reaction product made by reacting an alcohol of the formula ROH PS wherein R is a hydrocarbyl group or mixture thereof, containing from 10 to 30 carbon atoms with a boron compound selected from the group consisting of boric acid, boric oxide, a metaborate and an alkyl borate of the formula (R.sup.1 --O).sub.x B(OH).sub.y wherein x is 1 to 3, y is 0 to 2, their sum being 3, and R 1 is an alkyl group having 1 to 6 carbon atoms.
Claim 28
Dependent Claim
13 words
The process of claim 25 wherein phosphorus and sulfur moieties are additionally added.
Claim 29
Dependent Claim
28 words
The process of claim 26 wherein the thickener is 12-hydroxystearic acid, the boron compound is boric acid and the phosphorus and sulfur are supplied by a dihydrocarbyl phosphorodithioate.
Claim 30
Independent Claim
131 words
A method of improving the dropping point of a grease composition comprising a major proportion of a grease and from about 0.01% to about 10% by weight of the composition of a reaction product made by reacting an alcohol of the formula ROH where R is a hydrocarbyl group, or mixture thereof, containing from 10 to 30 carbon atoms with a boron compound selected from the group consisting of boric acid, boric oxide, a metaborate and an alkyl borate of the formula (R.sup.1 --O).sub.x B(OH).sub.y wherein x is 1 to 3, y is 0 to 2, their sum being 3, and R 1 is an alkyl group having 1 to 6 carbon atoms comprising thickening said grease with a thickener containing at least about 15% by weight of a hydroxy-containing thickener.
Claim 31
Independent Claim
131 words
A method of improving the dropping point of a grease composition comprising a major proportion of a grease and from about 0.01% to about 10% by weight of the composition of a reaction product made by reacting an alcohol of the formula ROH where R is a hydrocarbyl group, or mixture thereof, containing from 10 to 30 carbon atoms with a boron compound selected from the group consisting of boric acid, boric oxide, a metaborate and an alkyl borate of the formula (R.sup.1 --O).sub.x B(OH).sub.y wherein x is 1 to 3, y is 0 to 2, their sum being 3, and R 1 is an alkyl group having 1 to 6 carbon atoms comprising thickening said grease with a thickener containing at least about 15% by weight of a hydroxy-containing thickener.
Claim 32
Dependent Claim
46 words
The method of claim 28 in which the grease composition additionally contains from about 0.01% to about 10% by weight of the composition of a phosphorus and sulfur compound or a mixture of phosphorus-containing and sulfur-containing compounds to supply a like amount of phosphorus and sulfur.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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| 3.5 Years (Year 4) | 1989-07-14 | 1990-01-13 | 1990-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-07-14 | 1994-01-13 | 1994-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-07-14 | 1998-01-13 | 1998-07-15 | $7700.00 | Window Closed / Lapsed |