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US4828732A
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Grease compositions comprising borated diols and hydroxy-containing thickeners
Assignee: Mobil Oil AS
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Filing: 1988-04-25
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Granted: 1989-05-09
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Expires: 2008-04-25
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 diol. The compositions may also 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
2026-11-05 14:12
CPC Classifications
C; C10; C10M; C10M169/00; C10M169/06; C10M117/00; C10M117/02; C10M117/04; C10M135/00; C10M135/02; C10M135/04; C10M137/00; C10M137/02; C10M137/04; C10M137/10; C10M139/00; C10M2201/00; C10M2201/14; C10M2207/00; C10M2207/10; C10M2207/106; C10M2207/12; C10M2207/1206; C10M2207/121; C10M2207/122; C10M2207/124; C10M2207/1245; C10M2207/125; C10M2207/128; C10M2207/1285; C10M2207/129; C10M2207/14; C10M2207/1406; C10M2207/26; C10M2207/2613; C10M2207/262; C10M2207/2626; C10M2215/00; C10M2215/02; C10M2215/086; C10M2215/24; C10M2215/28; C10M2219/00; C10M2219/02; C10M2219/022; C10M2219/024; C10M2219/04; C10M2219/08; C10M2219/082; C10M2219/083; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10M2223/042; C10M2223/045; C10M2223/049; C10M2223/10; C10M2227/00; C10M2227/06; C10M2227/061; C10M2227/062; C10M2227/063; C10M2227/065; C10M2227/066; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2010/12; C10N2010/14; C10N2010/16
Claims Analysis
Total Claims: 30
Claim 1
Independent Claim
124 words
A grease composition comprising a major amount of a grease and from about 0.01% to about 10% by weight of the composition of: (a) a boronated diol compound consisting essentially of the reaction product made by reacting a diol of the formula R(OH).sub.2 wherein R is a hydrocarbyl group containing from 8 to 30 carbon atoms with a boron compound selected from the group consisting of boric acid, boric oxide, metaborate and an alkyl borate of the formula (R.sup.1 O).sub.y B(OH).sub.z wherein y is 1 to 3, z is 0 to 2, their sum being 3, and R 1 is an alkyl group having 1 to 6 carbon atoms, and (b) a thickener containing at least 15% by weight of a hydroxy-containing soap thickener.
Claim 2
Dependent Claim
124 words
A grease composition comprising a major amount of a grease and from about 0.01% to about 10% by weight of the composition of: (a) a boronated diol compound consisting essentially of the reaction product made by reacting a diol of the formula R(OH).sub.2 wherein R is a hydrocarbyl group containing from 8 to 30 carbon atoms with a boron compound selected from the group consisting of boric acid, boric oxide, metaborate and an alkyl borate of the formula (R.sup.1 O).sub.y B(OH).sub.z wherein y is 1 to 3, z is 0 to 2, their sum being 3, and R 1 is an alkyl group having 1 to 6 carbon atoms, and (b) a thickener containing at least 15% by weight of a hydroxy-containing soap 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 an equivalent amount of phosphorus and sulfur.
Claim 4
Dependent Claim
34 words
The composition of claim 1 wherein the thickener is an alkali metla, 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
39 words
The composition of claim 1 wherein R is octyl, decyl, dodecyl, tetradecyl, pentadecyl, octadecyl, eicosyl, triacontyl, 1,2-mixed C 15 to C 18 alkyls, or is derived from propylene or butylene oligomers or is a mixture of any of these.
Claim 7
Dependent Claim
27 words
The composition of claim 3 wherein the thickener is derived from 12-hydroxystearic acid, 14-hydroxystearic acid or 16-hydroxystearic acid or 6-hydroxystearic acid or the ester or glyceride thereof.
Claim 8
Dependent Claim
17 words
The composition of claim 6 wherein the diol is a 1,2-mixed C 15 to C 18 diol.
Claim 9
Dependent Claim
12 words
The composition of claim 1 wherein the boron compound is boric acid.
Claim 10
Dependent Claim
60 words
The composition of claim 2 wherein the phosphorus and sulfur moieties are supplied by a phosphorothioate of the formula ##STR2## wherein R 2 is a hydrocarbyl group containing 3 to 18 carbon atoms, M is a metal or non-metal, n is the valence of M and Z is oxygen or sulfur, at least one of the Z atoms being sulfur.
Claim 11
Dependent Claim
16 words
The composition of claim 9 wherein R 2 is an alkyl group or an alkaryl group.
Claim 12
Dependent Claim
28 words
The composition of claim 9 wherein R 2 is a propyl, butyl, pentyl, hexyl, octyl, dodecyl, tetradecyl, octadecyl, oleyl, butylphenyl, octylphenyl, nonylphenyl or dodecylphenyl group or mixtures thereof.
Claim 13
Dependent Claim
20 words
The composition of claim 11 wherein R 2 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
17 words
The composition of claim 13 wherein the metal is lithium, sodium, calcium, 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
20 words
The composition of claim 9 wherein M is derived from vinyl acetate, butyl vinyl ether, propylene oxide, 1,2-epoxydodecane or hydrocarbylamine.
Claim 19
Dependent Claim
68 words
The composition of claim 1 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 sulfurized isobutylene, dibenzyl disulfide, sulfurized terpenes, phosphorodithionyl disulfide 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
43 words
The composition of claim 9 wherein the diol is 1,2-mixed pentadecanediol-octadecanediol, 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
Independent Claim
89 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 consisting essentially of the reaction product made by made by reacting a diol of the formula R(OH).sub.2 wherein R is a hydrocarbyl group containing from 8 to 30 carbon atoms with a boron compound, the improvement comprising thickening said grease with a thickener containing at least about 15% by weight of a hydroxy-containing soap thickener.
Claim 27
Independent Claim
89 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 consisting essentially of the reaction product made by made by reacting a diol of the formula R(OH).sub.2 wherein R is a hydrocarbyl group containing from 8 to 30 carbon atoms with a boron compound, the improvement comprising thickening said grease with a thickener containing at least about 15% by weight of a hydroxy-containing soap thickener.
Claim 28
Dependent Claim
46 words
The method of claim 25 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 an equivalent amount of phosphorus and sulfur.
Claim 29
Independent Claim
129 words
A method of making a grease composition comprising mixing a major proportion of a grease with (a) about 0.01% to about 10% by weight of the composition of a boronated diol compound consisting essentially of the reaction product made by recting a diol of the formula R(OH).sub.2 wherein R is a hydrocarbyl group containing from 8 to 30 carbon atoms with a boron compound selected from the group consisting of boric acid, boric oxide, metaborate and an alkyl borate of the formula (R.sup.1 O).sub.y B(OH).sub.z wherein y is 1 to 3, z is 0 to 2, their sum being 3, and R 1 is an alkyl group having 1 to 6 carbon atoms, and (b) a thickener containing at least about 15% by weight of a hydroxy-containing soap thickener.
Claim 30
Independent Claim
129 words
A method of making a grease composition comprising mixing a major proportion of a grease with (a) about 0.01% to about 10% by weight of the composition of a boronated diol compound consisting essentially of the reaction product made by recting a diol of the formula R(OH).sub.2 wherein R is a hydrocarbyl group containing from 8 to 30 carbon atoms with a boron compound selected from the group consisting of boric acid, boric oxide, metaborate and an alkyl borate of the formula (R.sup.1 O).sub.y B(OH).sub.z wherein y is 1 to 3, z is 0 to 2, their sum being 3, and R 1 is an alkyl group having 1 to 6 carbon atoms, and (b) a thickener containing at least about 15% by weight of a hydroxy-containing soap thickener.
References Cited (Backward Citations)
US4743386A
Cited
US4759873A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-05-08 | 1992-11-07 | 1993-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-05-08 | 1996-11-07 | 1997-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-05-08 | 2000-11-07 | 2001-05-09 | $7700.00 | Window Closed / Lapsed |