Abstract: A composition useful as a lubricating oil or fuel additive comprising at least one compound of the formula ##STR1## wherein each Ar is independently an aromatic group having from 4 to about 30 carbon atoms and from 0 to 3 optional substituents, each R is independently hydrocarbyl, R.sup.4 is a monovalent terminating group, each m is independently an integer ranging from 0 to about 10, x ranges from 0 to about 8, each Z is independently OH, lower alkoxy, (OR.sup.5).sub.b OR.sup.6 or 0.sup.- R.sup.1, R.sup.2, R.sup.3, and R.sup.6 are each independently, H or hydrocarbyl, b ranges from 1 to about 30, c from 1 to about 3, and y from 1 to about 10, the sum m+c does not exceed the number of valences of the corresponding Ar available for substitution and at least one A is the group ##STR2## wherein each R.sup.b, R.sup.c, R.sup.d and R.sup.e is independently H, hydroxyhydrocarbyl or hydrocarbyl,X is O, S or NR.sup.a wherein R.sup.
Type:
Grant
Filed:
May 13, 1993
Date of Patent:
October 17, 1995
Assignee:
The Lubrizol Corporation
Inventors:
Paul E. Adams, Richard M. Lange, Stephen H. Stoldt
Abstract: A thickened composition is disclosed which comprises(A) at least one triglyceride estolide of the formula ##STR1## wherein R.sup.1 is an aliphatic group or an aliphatic group containing an ester moiety R.sup.2 COO-- with the proviso that at least one R.sup.1 is an aliphatic group containing the ester moiety, and contains from about 5 to about 23 carbon atoms, and R.sup.2 is a hydrocarbyl group containing from 1 to 100 carbon atoms and(B) at least one oil comprising(1) a synthetic ester base oil(2) a mineral oil, or(3) a polyalphaolefin.
Abstract: Ceramic-containing engines are lubricated by compositions containing synthetic ester base stock. Suitable esters include those prepared from iso- and neo-acids of medium chain length and polyols including inositol.
Type:
Grant
Filed:
September 30, 1993
Date of Patent:
October 17, 1995
Assignee:
The Lubrizol Corporation
Inventors:
Ewa A. Bardasz, Scott T. Jolley, Christopher R. Sgarlata
Abstract: Disclosed is a method of extending lubricant life and engine life in a gas engine that utilizes landfill gas which comprises treating deleterious landfill gas components and combustion products of said landfill gas with a lubricant composition comprising a major amount of an oil of lubrication viscosity and a minor amount of an additive composition comprising;(A) at least one metal overbased composition and(B) at least one inhibitor.
Type:
Grant
Filed:
January 24, 1994
Date of Patent:
September 26, 1995
Assignee:
The Lubrizol Corporation
Inventors:
Ewa A. Bardasz, William K. S. Cleveland
Abstract: A composition comprising;(A) at least one triglyceride estolide of the formula ##STR1## wherein R.sup.1 is an aliphatic group or an aliphatic group containing an ester moiety R.sup.2 COO-- with the proviso that at least one R.sup.1 is an aliphatic group containing the ester moiety, and contains from about 5 to about 23 carbon atoms, and R.sup.2 is a hydrocarbyl group containing from 1 to 100 carbon atoms and(B) at least one performance additive.
Abstract: The invention relates to a composition, comprising: at least one basic alkali metal salt of at least one hydrocarbyl-substituted acidic organic compound, wherein the hydrocarbyl group is derived from a polyalkene having an Mn of at least 600, provided that when the organic compound is a sulfonic acid, the polyalkene has an Mn of at least 900; and provided that when the acidic organic compound is a mixture of acidic organic compounds containing a carboxylic acid and a sulfonic acid which has a hydrocarbyl group derived from a polyalkene having an Mn of less than 900, then the carboxylic acid comprises at least 10% of the equivalents of the mixture. Methods for preparing the salts and lubricating compositions containing the salts are described.
Type:
Grant
Filed:
May 31, 1994
Date of Patent:
September 12, 1995
Assignee:
The Lubrizol Corporation
Inventors:
John M. Cahoon, Jack L. Karn, Mary F. Salomon, Craig D. Tipton
Abstract: An electrorheological fluid having good shear stress and improved (reduced) conductivity comprises a hydrophobic liquid phase and, dispersed therein, electrorheologically active particles of a core particle with a coating of at least one polysaccharide which is dispersible in a protic medium.
Abstract: Hybrid engines containing a metal-ceramic interface can be lubricated with composition comprising a carrier fluid and a molybdenum thiocarbamate. Friction and wear are low even when detergent and dispersant additives are present in the lubricant.
Abstract: Two-stroke cycle engine lubricant and lubricant fuel composition comprise a composition prepared by reacting an aromatic compound of the formula ##STR1## with a carboxylic reactantR.sup.1 CO(CR.sup.2 R.sup.3).sub.x COOR.sup.10and optionally, ammonia or amines.In another embodiment the 2-stroke cycle lubricants contain a carboxylic composition of the formula ##STR2## wherein the various groups are defined herein.
Type:
Grant
Filed:
August 9, 1994
Date of Patent:
August 15, 1995
Assignee:
The Lubrizol Corporation
Inventors:
William K. S. Cleveland, Paul E. Adams, Marvin B. De Tar
Abstract: Non-aqueous electrorheological fluids are described which comprise a major amount of a hydrophobic liquid phase and a minor amount of a dispersed particulate phase of a polyaniline prepared by polymerizing aniline in the presence of an oxidizing agent and from about 0.1 to about 1.6 moles of an acid per mole of aniline to form an acid salt of polyaniline, and thereafter treating the acid salt with a base. The polyanilines may be prepared from aniline or from mixtures of aniline and other monomers such as pyrroles, vinyl pyridines, vinyl pyrrolidones, thiophenes, vinylidene halides, phenothiazines, imidazolines, N-phenyl-p-phenylene diamines or mixtures thereof. The electrorheological fluids prepared in accordance with the present invention are useful in a variety of applications including flotational coupling devices such as clutches for automobiles or industrial motors, transmissions, brakes or tension control devices; and linear damping devices such as shock absorbers, engine mounts and hydraulic actuators.
Type:
Grant
Filed:
December 14, 1993
Date of Patent:
August 1, 1995
Assignee:
The Lubrizol Corporation
Inventors:
Charles P. Bryant, Kasturi Lal, Joseph W. Pialet
Abstract: Non-aqueous electrorheological fluids are described which comprise a major amount of a hydrophobic liquid phase and a minor amount of a dispersed particulate phase comprising conductive polymers selected from the group consisting of polypyrroles, polyphenylenes, polyacetylenes, polyvinylpyridines, polyvinylpyrrolidones, poly(substituted anilines), polyvinylidene halides, polyphenothiazines and polyimidazoles. The electrorheological fluids prepared in accordance with the present invention are useful in a variety of applications including flotational coupling devices such as clutches for automobiles or industrial motors, transmissions, brakes or tension control devices; and linear damping devices such as shock absorbers, engine mounts and hydraulic actuators.
Type:
Grant
Filed:
December 14, 1993
Date of Patent:
July 25, 1995
Assignee:
The Lubrizol Corporation
Inventors:
Charles P. Bryant, Kasturi Lal, Joseph W. Pialet
Abstract: Compositions useful as oil additives are prepared in a solvent or a solvent free system by reacting (B) an unsaturated carboxylic acid reagent with (A) a hydrogenated block copolymer in the presence of (C) free radical initiators. The formed reaction product (D) can be further reacted with a (E) primary amine-containing compound in a solvent or a solvent free system.
Type:
Grant
Filed:
August 27, 1990
Date of Patent:
July 4, 1995
Assignee:
The Lubrizol Corporation
Inventors:
Katsumi Hayashi, T. Robert Hopkins, Curtis R. Scharf
Abstract: Electrorheological fluids of a hydrophobic liquid phase and, dispersed therein, electrorheologically active particles comprising a core particle and a coating of a metal carbonate, sulfate, thiosulfate, or sulfite exhibit reduced electrical conductivity compared with similar fluids containing uncoated particles.
Abstract: A functional fluid is disclosed which comprises(A) at least one triglyceride;(B) at least one detergent-inhibitor additive; and(C) at least one viscosity modifying additive and further comprising (D) at least one synthetic oil.
Abstract: A thickened composition is disclosed which comprises(A) at least one triglyceride estolide of the formula ##STR1## wherein R.sup.1 is an aliphatic group or an aliphatic group containing an ester moiety R.sup.2 COO-- with the proviso that at least one R.sup.1 is an aliphatic group containing the ester moiety, and contains from about 5 to about 23 carbon atoms, and R.sup.2 is a hydrocarbyl group containing from 1 to 100 carbon atoms and(B) at least one animal fat, vegetable oil or synthetic triglyceride oil of the formula ##STR2## wherein R.sup.3, R.sup.4 and R.sup.5 are aliphatic groups or hydroxy containing aliphatic groups that are at least 60 percent monounsaturated, and further wherein an oleic acid moiety:linoleic acid moiety ratio is from about 2 up to about 90, and contain from about 1 to about 23 carbon atoms.
Abstract: Lubricant compositions are disclosed which comprise (A) at least one neutral or basic metal salt of at least one acidic organic compound, wherein the metal in the salt is magnesium, barium or a mixture thereof, and (B) optionally at least one hydrocarbyl-substituted ashless dispersant in which each hydrocarbyl substituent has a number average molecular weight up to about 1500, provided that the compositions contain no more than 0.06 weight percent calcium, not more than 0.5 weight-percent hydrocarbyl-substituted ashless dispersant in which a hydrocarbyl substituent has a number average molecular weight greater than about 1,500, and optionally not more than 0.5 weight-percent of polymeric viscosity improvers such as olefin copolymer, styrene-diene, and/or polymethacrylate viscosity improvers. Additive concentrate formulations for making such lubricant formulations are also disclosed.
Abstract: Aqueous oil-in-water emulsion functional fluid comprising:water, an oil and an emulsifying quantity of a salt composition comprising:(A) at least one salt moiety derived from (A)(I) at least one high-molecular weight polycarboxylic acylating agent, said acylating agent (A)(I) having at least one hydrocarbyl substituent having an average of from about 20 to about 200 carbon atoms, and (A)(II) ammonia, at least one amine, at least one alkali or alkaline earth metal, and/or at least one alkali or alkaline earth metal compound;(B) at least one salt moiety derived from (B)(I) at least one low-molecular weight polycarboxylic acylating agent, said acylating agent (B)(I) optionally having at least one hydrocarbyl substituent having an average of up 18 carbon atoms, and (B)(II) ammonia, at least one amine, at least one alkali or alkaline earth metal, and/or at least one alkali or alkaline earth metal compound; said components (A) and (B) being coupled together by(c) at least one compound having (i) two or more primary
Abstract: An industrial lubricant composition is described that comprises (A) at least one vegetable or synthetic triglyceride oil of the formula ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 are aliphatic hydrocarbyl groups having at least 60 percent monounsaturated character and containing from about 6 to about 24 carbon atoms further wherein an oleic acid moiety:linoleic acid moiety is from about 2 up to about 90 and(B) at least one pour point depressant. Optionally, the composition may also contain(C) a performance additive and(D) an oil.
Type:
Grant
Filed:
December 10, 1993
Date of Patent:
May 9, 1995
Assignee:
The Lubrizol Corporation
Inventors:
Kasturi Lal, Dennis M. Dishong, Jeffry G. Dietz
Abstract: Corrosion inhibitor compositions with improved activity are prepared from a neutral or overbased salt of an organic acid and another metal-containing corrosion inhibitor.
Type:
Grant
Filed:
June 21, 1994
Date of Patent:
April 18, 1995
Assignee:
The Lubrizol Corporation
Inventors:
Eric L. Rohr, Leonard S. Cech, Barry M. Saltzman
Abstract: It has been found that a composition comprising an alkoxy alcohol, an aliphatic alcohol, a liquid petroleum distillate, a liquid fatty acid, a volatile nitrogen base, polyisobutenyl aminoethylethanolamine, and water may be used as an engine deposit cleaner which removes air and fuel induction system deposits, valve deposits, and combustion chamber deposits. The inventive composition may be introduced into the engine in lieu of fuel, or in conjunction with fuel while the engine is operating.
Type:
Grant
Filed:
March 19, 1993
Date of Patent:
April 18, 1995
Assignee:
The Lubrizol Corporation
Inventors:
G. Frederick Pierce-Ruhland, Stephen H. Stoldt