Patent US4780227A successfully refreshed from Google Patents.
US4780227A
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Grease composition containing borated alkoxylated alcohols
Assignee: Mobil Oil AS
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Filing: 1987-05-04
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Granted: 1988-10-25
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Expires: 2007-05-04
Abstract
Abstract Grease compositions, wherein the grease is thickened with a metal hydroxy-containing soap grease thickener are provided. Another essential ingredient of the compositions is a borated alkoxylated alcohol. 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 20:16
CPC Classifications
C; C10; C10M; C10M169/00; C10M169/06; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/124; C10M2207/1245; C10M2207/125; C10M2207/128; C10M2207/1285; C10M2219/00; C10M2219/02; C10M2219/022; C10M2219/024; C10M2219/08; C10M2219/082; C10M2219/083; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10M2223/042; C10M2223/045; C10M2223/047; C10M2227/00; C10M2227/06; C10M2227/061; C10M2227/062; C10M2227/063; C10M2227/065; C10M2227/066; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2010/08; C10N2010/14; C10N2010/16
Claims Analysis
Total Claims: 30
Claim 1
Independent Claim
153 words
A grease composition comprising a major amount of an oleaginous lubricant, from about 0.01% to about 10% by weight of the composition of an additive for elevating the dropping point of a grease comprising a reaction product made by reacting an alkoxylated alcohol of the formula (RO)(R.sup.1 O).sub.x H wherein R is a hydrocarbyl group or a mixture of hydrocarbyl groups, containing from 8 to 30 carbon atoms, R 1 is a C 2 to C 4 hydrocarbylene group and x is from 1 to 7, with a boron compound selected from the group consisting of boric acid, boric oxide, metaborate and an alkyl borate of the formula (R.sup.2 O).sub.y B(OH).sub.z wherein y is 1 to 3, z is 0 to 2, their sum being 3, and R 2 is an alkyl group having 1 to 6 carbon atoms, and a thickener containing at least about 15% by weight of a hydroxy-containing soap.
Claim 2
Dependent Claim
153 words
A grease composition comprising a major amount of an oleaginous lubricant, from about 0.01% to about 10% by weight of the composition of an additive for elevating the dropping point of a grease comprising a reaction product made by reacting an alkoxylated alcohol of the formula (RO)(R.sup.1 O).sub.x H wherein R is a hydrocarbyl group or a mixture of hydrocarbyl groups, containing from 8 to 30 carbon atoms, R 1 is a C 2 to C 4 hydrocarbylene group and x is from 1 to 7, with a boron compound selected from the group consisting of boric acid, boric oxide, metaborate and an alkyl borate of the formula (R.sup.2 O).sub.y B(OH).sub.z wherein y is 1 to 3, z is 0 to 2, their sum being 3, and R 2 is an alkyl group having 1 to 6 carbon atoms, and a thickener containing at least about 15% by weight of a hydroxy-containing soap.
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 soap 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
27 words
The composition of claim 1 wherein R is octyl, nonyl, decyl, dodecyl, tetradecyl, pentadecyl, heptadecyl, octadecyl or mixtures thereof and R 1 is ethylene, propylene or butylene.
Claim 7
Dependent Claim
25 words
The composition of claim 2 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 8
Dependent Claim
23 words
The composition of claim 1 wherein R is mixed C 12 to C 15 alkanol, R 1 is ethylene and x is 3.
Claim 9
Dependent Claim
17 words
The composition of claim 1 wherein R is nonyl, R 1 is ethylene and x is 2.6.
Claim 10
Dependent Claim
12 words
The composition of claim 1 wherein the boron compound is boric acid.
Claim 11
Dependent Claim
58 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, n is the valence of M and Z is oxygen or sulfur, at least one of which is sulfur.
Claim 12
Dependent Claim
15 words
The composition of claim 10 wherein R 3 is an alkyl group or alkaryl group.
Claim 13
Dependent Claim
28 words
The composition of claim 11 wherein R 3 is a propyl, butyl, pentyl, hexyl, oxtyl, dodecyl, tetradecyl, octadecyl, butylphenyl, octylphenyl, nonylphenyl, dodecylphenyl or oleyl group or mixtures thereof.
Claim 14
Dependent Claim
20 words
The composition of claim 12 wherein R 3 is derived from isopropanol, butanol, isobutanol, sec-butanol, 4-methyl-2-pentanol, 2-ethylhexanol or mixtures thereof.
Claim 15
Dependent Claim
23 words
The composition of claim 10 wherein M is a metal from Group IA, IB, IIA, IIB, VIB or VIII of the Periodic Table.
Claim 16
Dependent Claim
18 words
The composition of claim 14 wherein the metal is lithium, sodium, calcium, barium, zinc, cadmium, molybdenum or gold.
Claim 17
Dependent Claim
10 words
The composition of claim 15 wherein the metal is zinc.
Claim 18
Dependent Claim
10 words
The composition of claim 15 wherein the metal is molybdenum.
Claim 19
Dependent Claim
22 words
The composition of claim 10 wherein M is derived from vinyl acetate, butyl vinyl ether, propylene oxide, 1,2-epoxydodecane, alkylamines, alkyldiamines or arylamines.
Claim 20
Dependent Claim
79 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, a dihydrocarbyl phosphate ester having 4 to 20 carbon atoms in each hydrocarbyl group, mixtures of such phosphates or of such phosphites and phosphates and (2) a sulfide selected from a sulfurized isobutylene, a dibenzyl disulfide, a sulfurized terpene and a sulfurized jojoba oil.
Claim 21
Dependent Claim
19 words
The composition of claim 19 wherein the phophite is a dibutyl, dihexyl, dioctyl or didecyl phosphite or mixtures thereof.
Claim 22
Dependent Claim
19 words
The composition of claim 19 wherein the phosphate ester is a tributyl, tridecyl or tricresyl phosphate or mixtures thereof.
Claim 23
Dependent Claim
51 words
The composition of claim 19 wherein the alkoxylated alcohol is a mixed C 12 to C 15 alkanol triethoxylate, 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 24
Dependent Claim
56 words
The composition of claim 19 wherein the alkoxylated alcohol is a mixed C 9 to C 11 alkanol ethoxylate containing 2.6 moles of ethoxide, 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 25
Dependent Claim
13 words
The composition of claim 1 wherein the oleaginous lubricant is a mineral oil.
Claim 26
Dependent Claim
13 words
The composition of claim 1 wherein the oleaginous lubricant is a synthetic oil.
Claim 27
Dependent Claim
17 words
The composition of claim 1 wherein the oleaginous liquid is a mixture of mineral and synthetic oils.
Claim 28
Independent Claim
153 words
A method of preparing a grease composition comprising adding to an oleaginous lubricant from about 0.01% to about 10% by weight of the total composition an additive for elevating the dropping point comprising the reaction product made by reacting an alkoxylated alcohol of the formula (RO)(R.sup.1 O).sub.x H wherein R is a hydrocarbyl group or a mixture of hydrocarbyl groups, containing from 8 to 30 carbon atoms, R 1 is a C 2 to C 4 hydrocarbylene group and x is from 1 to 7, with a boron compound selected from the group consisting of boric acid, boric oxide, metaborate and an alkyl borate of the formula (R.sup.2 O).sub.y B(OH).sub.z wherein y is 1 to 3, z is 0 to 2, their sum being 3, and R 2 is an alkyl group having 1 to 6 carbon atoms, and a thickener containing at least about 15% by weight of a hydroxy-containing soap thickener.
Claim 29
Independent Claim
153 words
A method of preparing a grease composition comprising adding to an oleaginous lubricant from about 0.01% to about 10% by weight of the total composition an additive for elevating the dropping point comprising the reaction product made by reacting an alkoxylated alcohol of the formula (RO)(R.sup.1 O).sub.x H wherein R is a hydrocarbyl group or a mixture of hydrocarbyl groups, containing from 8 to 30 carbon atoms, R 1 is a C 2 to C 4 hydrocarbylene group and x is from 1 to 7, with a boron compound selected from the group consisting of boric acid, boric oxide, metaborate and an alkyl borate of the formula (R.sup.2 O).sub.y B(OH).sub.z wherein y is 1 to 3, z is 0 to 2, their sum being 3, and R 2 is an alkyl group having 1 to 6 carbon atoms, and a thickener containing at least about 15% by weight of a hydroxy-containing soap thickener.
Claim 30
Dependent Claim
42 words
The method of claim 27 and adding from about 0.01% to about 10% by weight of the composition of a phosphorus and sulfur compound or a mixture of phosphorus-containing compounds and sulfur-containing compounds to supply an equivalent amount of phosphorus and sulfur.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-10-25 | 1992-04-25 | 1992-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-10-25 | 1996-04-25 | 1996-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-10-25 | 2000-04-25 | 2000-10-25 | $7700.00 | Window Closed / Lapsed |