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US4780227A Expired / Lapsed US ⏱️ 0.0 years remaining

Grease composition containing borated alkoxylated alcohols

Assignee: Mobil Oil AS
•
Filing: 1987-05-04
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Granted: 1988-10-25
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Expires: 2007-05-04
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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 10:21
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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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

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