US4961868A — Grease composition

Claim 1

Independent Claim 104 words

An improved grease composition comprising a major proportion of a lubricating compound and: (a) a borated derivative of an organic compound, (b) a metal or amine derivative of a hydroxy-containing or polyhydroxy-containing carboxylate soap thickener wherein said metal is selected from calcium and lithium, and (c) a phosphorus and sulfur containing compound selected from the group consisting of zinc dihydrocarbyldithiophosphates; said borated organic compound, said hydroxy-containing thickener and said phosphorus and sulfur containing compound each being present in an amount sufficient to increase the dropping point over the dropping point of a grease without said borated organic compound and said phosphorus sulfur containing compound.

Claim 2

Dependent Claim 104 words

An improved grease composition comprising a major proportion of a lubricating compound and: (a) a borated derivative of an organic compound, (b) a metal or amine derivative of a hydroxy-containing or polyhydroxy-containing carboxylate soap thickener wherein said metal is selected from calcium and lithium, and (c) a phosphorus and sulfur containing compound selected from the group consisting of zinc dihydrocarbyldithiophosphates; said borated organic compound, said hydroxy-containing thickener and said phosphorus and sulfur containing compound each being present in an amount sufficient to increase the dropping point over the dropping point of a grease without said borated organic compound and said phosphorus sulfur containing compound.

Claim 3

Dependent Claim 23 words

The composition of claim 1 wherein hydrocarbyl is selected from alkyl and alkaryl groups having from about 3 to about 18 carbon atoms.

Claim 4

Dependent Claim 13 words

The composition of claim 2 wherein the hydrocarbyl group in an alkyl group.

Claim 5

Dependent Claim 21 words

The composition of claim 3 wherein the alkyl group is derived from mixed C 3 secondary and C 6 primary alcohols.

Claim 6

Dependent Claim 75 words

An improved grease composition comprising a major proportion of a lubricating component and: (a) means for elevating the dropping point of a grease comprising a sufficient amount of a borated derivative of an organic compound; and (b) a metal or amine derivative of a hydroxy-containing or polyhydroxy-containing carboxylate soap thickener wherein said metal is selected from lithium and calcium, and (c) a phosphorus and sulfur containing compound selected from the group consisting of zinc dihydrocarbyldithiophosphates.

Claim 7

Dependent Claim 75 words

An improved grease composition comprising a major proportion of a lubricating component and: (a) means for elevating the dropping point of a grease comprising a sufficient amount of a borated derivative of an organic compound; and (b) a metal or amine derivative of a hydroxy-containing or polyhydroxy-containing carboxylate soap thickener wherein said metal is selected from lithium and calcium, and (c) a phosphorus and sulfur containing compound selected from the group consisting of zinc dihydrocarbyldithiophosphates.

Claim 8

Dependent Claim 28 words

The composition of claim 5 wherein said borated derivative is present in said grease composition in an amount of between about 0.2 and about 10 percent by weight.

Claim 9

Dependent Claim 26 words

The composition of claim 5 wherein the total amount of thickener added is between about 3 and about 20 percent by weight of the total composition.

Claim 10

Dependent Claim 18 words

The composition of claim 7 wherein the thickener contains at least 15 percent by weight of hydroxy-containing thickener.

Claim 11

Dependent Claim 25 words

The composition of claim 5 wherein said grease contains between about 0.2 and about 10 percent by weight of said phosphorus- and sulfur- containing compounds.

Claim 12

Dependent Claim 13 words

The composition of claim 5 wherein said hydroxy-containing soap thickener is lithium hydroxystearate.

Claim 13

Dependent Claim 66 words

The composition of claim 5 wherein the borated derivative is 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 1 to 50 carbon atoms, R 1 is a C 2 to C 4 hydrocarbylene group and x is from 1 to 7 with a boron compound.

Claim 14

Dependent Claim 44 words

The composition of claim 5 wherein the borated derivative is the reaction product made by reacting an alcohol of the formula R.sup.2 OH wherein R 2 is a hydrocarbyl group, or mixture thereof, containing from 1 to 30 carbon atoms, with a boron compound.

Claim 15

Dependent Claim 41 words

The composition of claim 5 wherein the borated derivative is the reaction product made by reacting a diol of the formula R.sup.3 (OH).sub.2 wherein R 3 is a hydrocarbyl group containing from 2 to 30 carbon atoms with a boron compound.

Claim 16

Dependent Claim 112 words

The composition of claim 5 wherein the borated derivative is the reaction product made by reacting an amine of the formula ##STR14## wherein x is 0 to 2, R 4 , R 5 , R 7 and R 8 are hydrogen or hydrocarbyl groups containing from 1 to 30 carbon atoms, hydroxyalkyl groups containing 2 to 4 carbon atoms, a polyalkoxylated group containing 6 to 20 carbon atoms or th latter group containing sulfur or additional oxygen, at least one of R 4 , R 5 , R 7 and R 8 being a non-hydrogen group and R 6 is a C 2 to C 4 alkylene group, with a boron compound.

Claim 17

Dependent Claim 63 words

The composition of claim 5 wherein the borated derivative is the reaction product made by reacting an ester of the formula R.sup.9 (COOR.sup.10).sub.n wherein n is 1 to 5 and R 9 and R 10 are hydrocarbyl or hydroxyhydrocarbyl groups containing 1 to 20 carbon atoms, at least one of R 9 and R 10 being a hydroxyhydrocarbyl group with a boron compound.

Claim 18

Dependent Claim 79 words

The composition of claim 5 wherein the borated derivative is the reaction product made by reacting an oxazoline of the generalized structure ##STR15## where R 11 is a hydrocarbyl or hydrocarbylene group of one to fifty carbon atoms, at least one of R 12 or R 13 is hydrogen and the other is hydrogen or has the generalized structure ##STR16## where R 14 is hydrogen or a hydrocarbyl group of one to fifty carbon atoms with a boron compound.

Claim 19

Dependent Claim 79 words

The composition of claim 5 wherein the borated derivative is the reaction product made by reacting an oxazoline of the generalized structure ##STR17## where R 17 is a hydrocarbyl or hydrocarbylene group of one to fifty carbon atoms, at least one of R 15 or R 16 is hydrogen and the other is hydrogen or has the generalized structure ##STR18## where R 18 is hydrogen or a hydrocarbyl group of one to fifty carbon atoms with a boron compound.

Claim 20

Dependent Claim 60 words

The composition of claim 5 wherein the borated derivative is the reaction product made by reacting an amine with an aldehyde and a phenol or mercaptan and subsequently reacting the resulting product with a boron compound, the hydroxy-containing thickener and borated amine condensation product being present in sufficient quantities to effect an increase in the dropping point of said grease.

Claim 21

Dependent Claim 89 words

The composition of claim 5 wherein the borated derivative is the reaction product made by reacting an hydroxyl-containing amide having the structural formula: ##STR19## wherein R 19 is a hydrocarbyl group of 1 to 60 carbon atoms and can additionally contain sulfur, oxygen and/or nitrogen; R 20 and R 21 are each a hydrocarbylene group or a mixture of hydrocarbylene groups of 2 to 6 carbon atoms; x is 0 to 15, and y is 0 to 15, provided that x+y equals at least 1 with a boron compound.

Claim 22

Dependent Claim 23 words

The composition of claim 5 wherein the lubricating component is selected from the group consisting of mineral oils, synthetic oils, or mixtures thereof.

Claim 23

Dependent Claim 25 words

The composition of claim 20 wherein the synthetic oils are polglycols, synthetic hydrocarbons, alkyl benzenes, dibasic acid esters, polyol esters, phosphate esters or mixtures thereof.

Claim 24

Dependent Claim 22 words

The composition of claim 5 wherein the borated derivative additionally contains oxygen, sulfur, and/or nitrogen which is reactive with a borating agent.

Claim 25

Dependent Claim 26 words

The composition of claim 5 wherein the borated derivative of an organic compound contains additionally any of the elements of the Periodic Table of the Elements.

Claim 26

Dependent Claim 14 words

The composition of claim 5 wherein the borated derivative is a polymeric organic borate.

Claim 27

Independent Claim 68 words

A method for elevating the dropping point of a grease composition comprising incorporating into said grease product means for elevating the dropping point of said grease comprising an organic boron compound, a metal or amine derivative of a hydroxy-containing or polyhydroxy-containing soap carboxylate thickener wherein said metal is selected from lithium and calcium and a phosphorus and sulfur containing compound selected from the group consisting of zinc dihydrocarbyldithiophosphates.

Claim 28

Independent Claim 68 words

A method for elevating the dropping point of a grease composition comprising incorporating into said grease product means for elevating the dropping point of said grease comprising an organic boron compound, a metal or amine derivative of a hydroxy-containing or polyhydroxy-containing soap carboxylate thickener wherein said metal is selected from lithium and calcium and a phosphorus and sulfur containing compound selected from the group consisting of zinc dihydrocarbyldithiophosphates.

Claim 29

Dependent Claim 24 words

The method of claim 25 wherein the hydroxy-containing soap thickener is at least 15% by weight of the total thickener is said grease composition.

Claim 30

Dependent Claim 22 words

The method of claim 25 wherein the borated derivative additionally contains oxygen, sulfur and/or nitrogen which is reactive with a borating agent.

Claim 31

Dependent Claim 22 words

The method of claim 25 wherein the borated derivative contains additionally any of the elements of the Periodic Table of the Elements.

Claim 32

Dependent Claim 15 words

The method of claim 25 wherein the borated organic compound is a polymeric organic borate.

Claim 33

Independent Claim 73 words

A method for making grease wherein a liquid lubricant is mixed with a thickening agent, the improvement comprising adding to said grease means for elevating the dropping point of a grease comprising a borated organic compound, a metal or amine derivative of a hydroxy-containing or polyhydroxy-containing soap carboxylate thickener wherein said metal is selected from lithium and calcium and a phosphorus and sulfur containing compound selected from the group consisting of zinc dihydrocarbyldithiophosphates.

Claim 34

Independent Claim 73 words

A method for making grease wherein a liquid lubricant is mixed with a thickening agent, the improvement comprising adding to said grease means for elevating the dropping point of a grease comprising a borated organic compound, a metal or amine derivative of a hydroxy-containing or polyhydroxy-containing soap carboxylate thickener wherein said metal is selected from lithium and calcium and a phosphorus and sulfur containing compound selected from the group consisting of zinc dihydrocarbyldithiophosphates.

Claim 35

Dependent Claim 22 words

The method of claim 30 wherein the borated derivative additionally contains oxygen sulfur and/or nitrogen which is reactive with a borating agent.

Claim 36

Dependent Claim 19 words

The method of claim 30 wherein the borated derivative contains additionally any of the Periodic Table of the Elements.

Claim 37

Dependent Claim 15 words

The method of claim 30 wherein the borated organic compound is a polymeric organic borate.

Claim 38

Dependent Claim 77 words

An improved grease composition comprising a major proportion of a lubricating component and: comprising (a) a borated derivative of an organic compound containing an hydroxyl, epoxide, thiol or nitrogen moiety which is reactive with a borating agent, and (b) a metal or amine derivative of a hydroxy-containing or polyhydroxy-containing carboxylate soap thickener wherein said metal is selected from lithium and calcium, and (c) a phosphorus and sulfur containing compound selected from the group consisting of zinc dihydrocarbyldithiophosphates.

Claim 39

Dependent Claim 77 words

An improved grease composition comprising a major proportion of a lubricating component and: comprising (a) a borated derivative of an organic compound containing an hydroxyl, epoxide, thiol or nitrogen moiety which is reactive with a borating agent, and (b) a metal or amine derivative of a hydroxy-containing or polyhydroxy-containing carboxylate soap thickener wherein said metal is selected from lithium and calcium, and (c) a phosphorus and sulfur containing compound selected from the group consisting of zinc dihydrocarbyldithiophosphates.

Claim 40

Independent Claim 89 words

A method for elevating the dropping point of a grease composition comprising incorporating into said grease means for elevating the dropping point thereof; comprising an amount sufficient to significantly improve the dropping point of (a) a borated derivative of an organic compound containing an hydroxyl, epoxide, thiol or nitrogen moiety, (b) a metal or amine derivative of a hydroxy-containing or polyhydroxy-containing carboxylate soap thickener wherein said metal is selected from lithium and calcium, and (c) a phosphorus and sulfur containing compound selected from the group consisting of zinc dihydrocarbyldithiophosphates.

Claim 41

Independent Claim 89 words

A method for elevating the dropping point of a grease composition comprising incorporating into said grease means for elevating the dropping point thereof; comprising an amount sufficient to significantly improve the dropping point of (a) a borated derivative of an organic compound containing an hydroxyl, epoxide, thiol or nitrogen moiety, (b) a metal or amine derivative of a hydroxy-containing or polyhydroxy-containing carboxylate soap thickener wherein said metal is selected from lithium and calcium, and (c) a phosphorus and sulfur containing compound selected from the group consisting of zinc dihydrocarbyldithiophosphates.

Claim 42

Dependent Claim 92 words

An improved grease composition comprising proportion of a component and: (a) means for elevating the dropping point of a grease comprising an amount sufficient to significantly improve the dropping point of a borated derivative of an organic compound containing an hydroxyl, epoxide, thiol or nitrogen moiety which is reactive with a borating agent, (b) a metal or amine derivative of a hydroxy-containing or polyhydroxy-containing carboxylate soap thickener wherein said metal is selected from lithium and calcium, and (c) a phosphorus and sulfur containing compound selected from the group consisting of zinc dihydrocarbyldithiophosphates.

Claim 43

Dependent Claim 92 words

An improved grease composition comprising proportion of a component and: (a) means for elevating the dropping point of a grease comprising an amount sufficient to significantly improve the dropping point of a borated derivative of an organic compound containing an hydroxyl, epoxide, thiol or nitrogen moiety which is reactive with a borating agent, (b) a metal or amine derivative of a hydroxy-containing or polyhydroxy-containing carboxylate soap thickener wherein said metal is selected from lithium and calcium, and (c) a phosphorus and sulfur containing compound selected from the group consisting of zinc dihydrocarbyldithiophosphates.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1993-10-08	1994-04-09	1994-10-09	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1997-10-08	1998-04-09	1998-10-09	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	2001-10-08	2002-04-09	2002-10-09	$7700.00	Window Closed / Lapsed

Grease composition

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