US5021173A — Friction modified oleaginous concentrates of impr…

Claim 1

Independent Claim 159 words

An oleaginous composition comprising lubricating oils and (A) an oil soluble ashless dispersant which comprises the oil soluble reaction product of a reaction mixture comprising: (i) a hydrocarbyl substituted C 4 to C 10 monounsaturated dicarboxylic acid producing material formed by reacting olefin polymer of C 2 to C 10 monoolefin having a number average molecular weight of from about 300 to 5,000 and a C 4 to C 10 monounsaturated acid material, said acid producing material having an average of at least about 0.8 dicarboxylic acid producing moieties per molecule of said olefin polymer present in the reaction mixture used to form said acid producing material; and (ii) a nucleophilic reactant selected from the group consisting of amine, amino alcohol and mixtures thereof; (B) an oil soluble friction modifier additive which comprises at least one glycol ester derivative of a polycarboxylic acid, and (C) an oil soluble copper antioxidant compound, said oleaginous composition being substantially free of boron.

Claim 2

Dependent Claim 159 words

An oleaginous composition comprising lubricating oils and (A) an oil soluble ashless dispersant which comprises the oil soluble reaction product of a reaction mixture comprising: (i) a hydrocarbyl substituted C 4 to C 10 monounsaturated dicarboxylic acid producing material formed by reacting olefin polymer of C 2 to C 10 monoolefin having a number average molecular weight of from about 300 to 5,000 and a C 4 to C 10 monounsaturated acid material, said acid producing material having an average of at least about 0.8 dicarboxylic acid producing moieties per molecule of said olefin polymer present in the reaction mixture used to form said acid producing material; and (ii) a nucleophilic reactant selected from the group consisting of amine, amino alcohol and mixtures thereof; (B) an oil soluble friction modifier additive which comprises at least one glycol ester derivative of a polycarboxylic acid, and (C) an oil soluble copper antioxidant compound, said oleaginous composition being substantially free of boron.

Claim 3

Dependent Claim 23 words

The oleaginous composition according to claim 1 wherein said boron is present in a concentration of less than about 20 ppm by weight.

Claim 4

Dependent Claim 15 words

The composition according to claim 1, wherein the nucleophilic reactant of (b) is an amine.

Claim 5

Dependent Claim 26 words

The composition according to claim 3, wherein said amine is a polyethylenepolyamine, and said boron content in said composition is less than 10 ppm by weight.

Claim 6

Dependent Claim 16 words

The composition according to claim 1, wherein the nucleophilic reactant of (b) is an amino alcohol.

Claim 7

Dependent Claim 46 words

The composition according to claim 1 wherein in said acid producing material of (a) there are an average of from about 1.0 to 2.0 dicarboxylic acid producing moieties per molecule of said olefin polymer present in the reaction mixture used to form said acid producing material.

Claim 8

Dependent Claim 55 words

The composition according to claim 6 wherein said olefin polymer comprises a polymer of a C 2 to C 4 monoolefin having a molecular weight of from about 700 to 5000, and said C 4 to C 10 monounsaturated acid material comprises an alpha- or beta-unsaturated C 4 to C 10 dicarboxylic, anhydride or ester.

Claim 9

Dependent Claim 26 words

The composition according to claim 1 wherein said friction modifier is present in said composition in an amount of from about 0.01 to 5 wt. %.

Claim 10

Dependent Claim 37 words

The composition according to claim 8 wherein said copper antioxidant is employed in amounts of from about 5 to 500 parts per million by weight of added copper in the form of said oil soluble copper compound.

Claim 11

Dependent Claim 18 words

The composition according to claim 9 containing from 10 to 200 parts per million of said added copper.

Claim 12

Dependent Claim 70 words

The composition according to claim 9 wherein said copper compound is selected from the group consisting of copper salts of C 10 to C 18 fatty acids; copper salts of naphthenic acids having a molecular weight of 200 to 500, and copper salts of polyisobutenyl succinic anhydrides and polyisobutenyl succinic acids wherein said polyalkenyl group is derived from a polymer having a number average molecular weight greater than about 700.

Claim 13

Dependent Claim 50 words

The composition according to any one of claims 1-11 wherein said friction modifier comprises at least one member selected from the group consisting of glycol ester derivatives of polycarboxylic acids having a total of from 24 to 90 carbon atoms and at least about 2 carboxylic acid groups per molecule.

Claim 14

Dependent Claim 22 words

The composition according to claim 12 wherein said polycarboxylic acid glycol ester has about 2 to 3 carboxylic acid groups per molecule

Claim 15

Dependent Claim 92 words

The composition according to claim 13 wherein said friction modifier comprises at least one partial ester or diester of the formulas: HO--J'--OOC--J--COOH, or HO--J'--OOC--J--COOJ"--OH wherein J is the hydrocarbon radical of an aliphatic saturated or unsaturated polycarboxylic acid having a total of about 24 to 90 carbon atoms and about 2 to 3 carboxylic acid groups per molecule with at least about 9 carbon atoms between the carboxylic acid groups, J' and J" are the same or different and each comprises the hydrocarbon radical of an alkane diol or an oxy-alkylene radical.

Claim 16

Dependent Claim 21 words

The composition according to claim 12 wherein said copper compound is characterized by a total base number of less than 50.

Claim 17

Dependent Claim 21 words

The composition according to claim 15 wherein said friction modifier additive comprises at least one dimer acid ester friction reducing ester.

Claim 18

Dependent Claim 32 words

The composition according to claim 16 wherein said friction modifier additive comprises esters of at least one substituted cyclohexene dicarboxylic acid formed by a Diels-Adler thermal condensation of tall oil fatty acids.

Claim 19

Dependent Claim 19 words

The composition according to claim 17 wherein said fatty acid comprises oleic acid, linoleic acid, or a mixture thereof

Claim 20

Dependent Claim 31 words

The composition according to claim 12 wherein said friction modifier additive comprises an ester of the formula: ##STR14## wherein D is ##STR15## x' is an integer of from 1 to 100.

Claim 21

Dependent Claim 179 words

A lubricating oil concentrate of improved storage stability useful as an oil additive comprising lubricating oil and: (A) from about 3 to 45 wt. % of a lubricating oil non-borated dispersant additive comprising at least one member selected from the group consisting of oil soluble salts, amides, imides, or mixtures thereof, of long chain hydrocarbon substituted mono and dicarboxylic acids or their anhydrides; wherein said long chain hydrocarbon group is a polymer of a C 2 to C 10 , monoolefin, said polymer having a number average molecular weight of at least about 900; (B) from about 0.0005 to 2 wt. % of a lubricating oil friction modifier material comprising at least one member selected from the group consisting of glycol ester derivatives of a polycarboxylic acid having a total of from 24 to 90 carbon atoms and at least about 2 carboxylic acid groups per molecule; and (C) from about 0.005 to 1 percent by weight of added copper in the form of an oil soluble copper antioxidant compound; said lubricating oil concentrate being substantially free of boron.

Claim 22

Dependent Claim 179 words

A lubricating oil concentrate of improved storage stability useful as an oil additive comprising lubricating oil and: (A) from about 3 to 45 wt. % of a lubricating oil non-borated dispersant additive comprising at least one member selected from the group consisting of oil soluble salts, amides, imides, or mixtures thereof, of long chain hydrocarbon substituted mono and dicarboxylic acids or their anhydrides; wherein said long chain hydrocarbon group is a polymer of a C 2 to C 10 , monoolefin, said polymer having a number average molecular weight of at least about 900; (B) from about 0.0005 to 2 wt. % of a lubricating oil friction modifier material comprising at least one member selected from the group consisting of glycol ester derivatives of a polycarboxylic acid having a total of from 24 to 90 carbon atoms and at least about 2 carboxylic acid groups per molecule; and (C) from about 0.005 to 1 percent by weight of added copper in the form of an oil soluble copper antioxidant compound; said lubricating oil concentrate being substantially free of boron.

Claim 23

Dependent Claim 22 words

The concentrate according to claim 20 wherein said polycarboxylic acid glycol ester has about 2 to 3 carboxylic acid groups per molecule

Claim 24

Dependent Claim 93 words

The concentrate according to claim 20 wherein said friction modifier additive comprises at least one partial ester or diester of the formulas: HO--J'--OOC--J--COOH, or HO--J'--OOC--J--COOJ"--OH wherein J is the hydrocarbon radical of an aliphatic saturated or unsaturated polycarboxylic acid having a total of about 24 to 90 carbon atoms and about 2 to 3 carboxylic acid groups per molecule with at least about 9 carbon atoms between the carboxylic acid groups, J' and J" are the same or different and each comprises the hydrocarbon radical of an alkane diol or an oxy-alkylene radical.

Claim 25

Dependent Claim 26 words

The concentrate according to claim 20 wherein said friction modifier is employed in an amount of from about 0.005 to 0.1 weight percent of said concentrate.

Claim 26

Dependent Claim 21 words

The concentrate according to claim 20 wherein said friction modifier additive comprises at least one dimer acid ester friction reducing ester.

Claim 27

Dependent Claim 32 words

The concentrate according to claim 24 wherein said friction modifier additive comprises esters of at least one substituted cyclohexane dicarboxylic acid formed by a Diels-Alder thermal condensation of tall oil fatty acids.

Claim 28

Dependent Claim 38 words

The Concentrate according to any one of claims 20-21 and 23-24 wherein said friction modifier additive comprises an ester of the formula: ##STR16## wherein D is ##STR17## x ,--OH, x' is an integer of from 1 to 100.

Claim 29

Dependent Claim 18 words

The concentrate according to claim 26 containing from 0.05 to 0.2 percent by weight of said added copper.

Claim 30

Dependent Claim 73 words

The concentrate according to claim 27 wherein said copper compound is non-overbased and is selected from the group consisting of copper salts of C 10 to C 18 fatty acids; copper salts of naphthenic acids having a molecular weight of 200 to 500, and copper salts of polyisobutenyl succinic anhydrides and polyisobutenyl succinic acids wherein said polyalkenyl group is derived from a polymer having a number average molecular weight greater than about 700.

Claim 31

Dependent Claim 126 words

The concentrate according to claim 20 comprising: (A) from about 3 to 45 wt % of a lubricating oil ashless dispersant additive comprising an oil soluble salt, amide, imide, or mixtures thereof of polyisobutenyl-substituted succinic acid or anhydride, said polyisobutenyl group being derived from polyisobutenylene polymer having a number average molecular weight of at least about 900; (B) from about 0.001 to 0.25 wt. % of a friction modifier additive comprising at least one glycol ester derivative of a polycarboxylic acid having a total of from 24 to 90 carbon atoms and at least about 2 carboxylic acid groups per molecule; and (C) from about 0.05 to 0.2 percent by weight of added copper in the form of at least one oil soluble copper antioxidant compound.

Claim 32

Dependent Claim 53 words

The concentrate according to claim 29 which further comprises from about 2 to 45 wt % of a lubricating oil metal detergent additive material which comprises at least one magnesium or calcium salt of a material selected from the group consisting of sulfonic acids, alkyl phenols, sulfurized alkyl phenols, alkyl salicylates and naphthenates.

Claim 33

Dependent Claim 17 words

The concentrate according to claim 30, wherein said detergent additive comprises a basic magnesium or calcium sulfonate.

Claim 34

Dependent Claim 48 words

The concentrate according to any of claims 29 to 31 wherein said ashless dispersant comprises the reaction product of polyisobutenyl succinic anhydride with a polyalkylenepolyamine wherein said alkylene groups each contain 2 to 6 carbons and said polyalkylenepolyamine contains from 2 to about 9 nitrogen atoms per molecule.

Claim 35

Dependent Claim 20 words

The concentrate of claim 32, wherein said number average molecular weight of said polyisobutylene is from about 1500 to 3,000.

Claim 36

Dependent Claim 258 words

A process for forming a concentrate of improved storage stability useful as an oil additive which comprises: admixing at least one non-borated ashless dispersant lubricating oil additive, at least one friction modifier additive and at least one non-overbased copper antioxidant compound for a time and under conditions sufficient to form said concentrate wherein: (A) said lubricating oil dispersant additive comprises at least one member selected from the group consisting of oil soluble salts, amides, imides, or mixtures thereof, of long chain hydrocarbon substituted mono and dicarboxylic acids or their anhydrides; wherein said long chain hydrocarbon group is a polymer of a C 2 to C 10 , monoolefin, said polymer having a number average molecular weight of at least about 900, said dispersant additive being employed in an amount sufficient to provide a concentration of said dispersant additive of from about 3 to 45 wt. % in said concentrate; (B) said friction modifier additive comprises a glycol ester derivative of a polycarboxylic acid having a total of from 24 to 90 carbon atoms and at least about 2 carboxylic acid groups per molecule; said friction modifier additive being employed in an amount sufficient to provide a concentration of said friction modifier additive of from about 0.0005 to 2 wt. % in said concentrate; and (C) said copper antioxidant compound being employed in an amount sufficient to provide from about 0.005 to 1 percent by weight of added copper in the form of said oil soluble copper antioxidant compound in said concentrate, said concentrate being substantially free of boron.

Claim 37

Dependent Claim 258 words

A process for forming a concentrate of improved storage stability useful as an oil additive which comprises: admixing at least one non-borated ashless dispersant lubricating oil additive, at least one friction modifier additive and at least one non-overbased copper antioxidant compound for a time and under conditions sufficient to form said concentrate wherein: (A) said lubricating oil dispersant additive comprises at least one member selected from the group consisting of oil soluble salts, amides, imides, or mixtures thereof, of long chain hydrocarbon substituted mono and dicarboxylic acids or their anhydrides; wherein said long chain hydrocarbon group is a polymer of a C 2 to C 10 , monoolefin, said polymer having a number average molecular weight of at least about 900, said dispersant additive being employed in an amount sufficient to provide a concentration of said dispersant additive of from about 3 to 45 wt. % in said concentrate; (B) said friction modifier additive comprises a glycol ester derivative of a polycarboxylic acid having a total of from 24 to 90 carbon atoms and at least about 2 carboxylic acid groups per molecule; said friction modifier additive being employed in an amount sufficient to provide a concentration of said friction modifier additive of from about 0.0005 to 2 wt. % in said concentrate; and (C) said copper antioxidant compound being employed in an amount sufficient to provide from about 0.005 to 1 percent by weight of added copper in the form of said oil soluble copper antioxidant compound in said concentrate, said concentrate being substantially free of boron.

Claim 38

Dependent Claim 64 words

The process according to claim 34 wherein there is additionally provided in said concentrate at least one metal detergent additive material which comprises at least one magnesium or calcium salt of a material selected from the group consisting of sulfonic acids, alkyl phenols, sulfurized alkyl phenols, alkyl salicylates and naphthenates, in an amount of from about 2 to 45 wt. % in said concentrate.

Claim 39

Dependent Claim 17 words

The process according to claim 35 wherein said detergent additive comprises a basic magnesium or calcium sulfonate.

Claim 40

Dependent Claim 44 words

The process according to claim 35 wherein said ashless dispersant comprises the reaction product of polyisobutenyl succinic anhydride with a polyalkylenepolyamine wherein said alkylene groups each contain 2 to 6 carbons and said polyalkylenepolyamine contains from 2 to about 9 nitrogen atoms per molecule.

Claim 41

Dependent Claim 21 words

The process of claim 37, wherein said number average molecular weight of said olefin polymer is from about 1500 to 3,000.

Claim 42

Dependent Claim 37 words

The process according to claim 38 wherein said friction modifier additive comprises at least one glycol ester of a substituted cyclohexene dicarboxylic acid formed by a Diels-Alder thermal condensation of C 18 -C 22 unsaturated fatty acids.

Claim 43

Dependent Claim 20 words

The process according to claim 39 wherein said unsaturated fatty acid comprises oleic acid, linoleic acid, or a mixture thereof.

Claim 44

Dependent Claim 31 words

The process according to claim 40 wherein said friction modifier comprises an ester of the formula: ##STR18## wherein D is ##STR19## x , is an integer of from 1 to 100.

Claim 45

Dependent Claim 22 words

The process according to claim 35 wherein said boron is present in a concentration of less than about 20 ppm by weight.

Claim 46

Dependent Claim 30 words

The process according to claim 42 wherein said copper antioxidant compound is employed in an amount sufficient to provide from 0.05 to 0.2 percent by weight of said added copper.

Claim 47

Dependent Claim 70 words

The process according to claim 37 wherein said copper compound is selected from the group consisting of copper salts of C 10 to C 18 fatty acids, copper salts of naphthenic acids having a molecular weight of 200 to 500, and copper salts of polyisobutenyl succinic anhydrides and polyisobutenyl succinic acids wherein said polyalkenyl group is derived from a polymer having a number average molecular weight greater than about 700.

Claim 48

Dependent Claim 11 words

The process according to claim 38 wherein said polyalkylenepolyamine comprises poly(ethyleneamine).

Claim 49

Dependent Claim 17 words

The composition according to claim 1 wherein the B:Cu atomic ratio is from 0 to about 0.6:1.

Claim 50

Dependent Claim 17 words

The composition according to claim 16 wherein the B:Cu atomic ratio is from 0 to about 0.6:1.

Claim 51

Dependent Claim 11 words

The concentrate according to claim 42 wherein said polyalkylenepolyamine comprises poly(ethyleneamine).

Claim 52

Dependent Claim 17 words

The concentrate according to claim 20 wherein the B:Cu atomic ratio is from 0 to about 0.6:1.

Claim 53

Dependent Claim 17 words

The concentrate according to claim 45 wherein the B:Cu atomic ratio is from 0 to about 0.6:1.

Claim 54

Dependent Claim 15 words

The concentrate according to claim 45 wherein the B:Cu atomic ratio is less than 0.2:1.

Claim 55

Dependent Claim 17 words

The process according to claim 34 wherein the B:Cu atomic ratio is from 0 to about 0.6:1.

Claim 56

Dependent Claim 17 words

The process according to claim 37 wherein the B:Cu atomic ratio is from 0 to about 0.6:1.

Claim 57

Dependent Claim 17 words

The process according to claim 39 wherein the B:Cu atomic ratio is from 0 to about 0.6:1.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1994-06-03	1994-12-03	1995-06-04	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1998-06-03	1998-12-03	1999-06-04	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	2002-06-03	2002-12-03	2003-06-04	$7700.00	Window Closed / Lapsed

Friction modified oleaginous concentrates of improved stability

Abstract

Inventors

Bibliographic Details

Claims Analysis

References Cited (Backward Citations)

USPTO Annuity & Maintenance Windows

Assigned Categories & Tags

Assign Category Tag