Chalcogen Attached Indirectly To The -c(=o)o- Group By Nonionic Bonding Patents (Class 508/516)
- With ether or alcohol (except glycerin) (Class 508/520)
- With organic nitrogen compound (which may be present as the amine salt of the acid), hydrocarbon polymer or halohydrocarbon polymer (Class 508/521)
- With hydrocarbon fatty acid or salt thereof, or complexes of such salt mixtures (Class 508/522)
- Alkaline earth metal, aluminum, or heavy metal salt of the hydroxy carboxylic acid (Class 508/523)
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Patent number: 9593292Abstract: A lubricant comprising (a) an oil of lubricating viscosity; (b) a polyether of number average molecular weight 1000 to 10,000; said polyether comprising alkylene oxide monomer units, where the alkylene group contains 3 to 6 carbon atoms, and ethylene oxide monomer units; and (c) one or more anti-foam agents, where the lubricant has a sulfated ash content of less than about 0.7 percent, is useful for lubricating a stationary gas engine where the engine drives a compressor and where both the engine and the compressor are lubricated with the same lubricant.Type: GrantFiled: February 17, 2014Date of Patent: March 14, 2017Assignee: The Lubrizol CorporationInventors: Virginia A. Carrick, Alvin E. Haas, Jonathan S. Vilardo
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Patent number: 8759264Abstract: The invention relates to water-based hydraulic fluids comprising a) water, b) at least one glycol, a polyglycol, or both, and c) 0.1 to 30 wt % of at least one compound of formula 1, where M is hydrogen, an alkali metal, an alkali earth metal, or ammonia, Ar1 and Ar2 are independently monocyclic or polycyclic aromatic groups that can have substituents or can comprise heteroatoms.Type: GrantFiled: December 2, 2009Date of Patent: June 24, 2014Assignee: Clarient Finance (BVI) LimitedInventors: Rainer Kupfer, Carsten Cohrs
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Patent number: 8729297Abstract: The present invention is directed to Mannich condensation product sequestering agents or mixtures of Mannich condensation product sequestering agents for use in fuels and lubricating oils. The present invention is also directed to a process for preparing the Mannich condensation product sequestering agents. The present invention is also directed to a product formed by combining, under reaction conditions, a polyisobutyl-substituted hydroxyaromatic compound, an aldehyde, an amino acid or ester thereof, and an alkali metal base to form the Mannich condensation product sequestering agent. The present invention is also directed to a lubricating oil composition, a lubricating oil concentrate, a fuel composition, and a fuel concentrate having the Mannich condensation product sequestering agents of the present invention.Type: GrantFiled: April 12, 2013Date of Patent: May 20, 2014Assignee: Chevron Oronite Company LLCInventors: James Joseph Harrison, Kenneth Dale Nelson
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Patent number: 8722601Abstract: Copolymers are obtainable by polymerizing a monomer composition composed of a) 0% to 40% by weight of one or more ethylenically unsaturated ester compounds of the formula (I), b) 10% to 99.9% by weight of one or more ethylenically unsaturated ester compounds of the formula (II), c) 0% to 80% by weight of one or more ethylenically unsaturated ester compounds of the formula (III), d) 0.1% to 30% by weight of one or more ethylenically unsaturated, polar ester compounds of the formula (IV), e) 0% to 50% by weight of comonomer, based in each case on the total weight of the ethylenically unsaturated monomers.Type: GrantFiled: August 19, 2011Date of Patent: May 13, 2014Assignee: RohMax Additives GmbHInventors: Michael Mueller, Torsten Stoehr, Boris Eisenberg
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Patent number: 8722927Abstract: The present invention is directed to Mannich condensation product sequestering agents or mixtures of Mannich condensation product sequestering agents for use in fuels and lubricating oils. The present invention is also directed to a process for preparing the Mannich condensation product sequestering agents. The present invention is also directed to a product formed by combining, under reaction conditions, a polyisobutyl-substituted hydroxyaromatic compound, an aldehyde, an amino acid or ester thereof, and an alkali metal base to form the Mannich condensation product sequestering agent. The present invention is also directed to a lubricating oil composition, a lubricating oil concentrate, a fuel composition, and a fuel concentrate having the Mannich condensation product sequestering agents of the present invention.Type: GrantFiled: April 12, 2013Date of Patent: May 13, 2014Assignee: Chevron Oronite Company LLCInventors: James J. Harrison, Kenneth D. Nelson
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Publication number: 20130096211Abstract: Methods and compositions for the production of food compositions, oils, fuels, oleochemicals, and other compounds in recombinant microorganisms are provided, including oil-bearing microorganisms and methods of low cost cultivation of such microorganisms. Microalgal cells containing exogenous genes encoding, for example, a lipase, a sucrose transporter, a sucrose invertase, a fructokinase, a polysaccharide-degrading enzyme, a keto acyl-ACP synthase enzyme, a fatty acyl-ACP thioesterase, a fatty acyl-CoA/aldehyde reductase, a fatty acyl-CoA reductase, a fatty aldehyde reductase, a fatty aldehyde decarbonylase, and/or an acyl carrier protein are useful in manufacturing food compositions, and transportation fuels such as renewable diesel, biodiesel, and renewable jet fuel, as well as oleochemicals such as functional fluids, surfactants, soaps and lubricants.Type: ApplicationFiled: October 11, 2012Publication date: April 18, 2013Applicant: Solazyme, Inc.Inventors: Scott Franklin, Aravind Somanchi, Janice Wee, George Rudenko, Jeffrey L. Moseley, Walt Rakitsky
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Patent number: 8394747Abstract: The present invention is directed to Mannich condensation product sequestering agents or mixtures of Mannich condensation product sequestering agents for use in fuels and lubricating oils. The present invention is also directed to a process for preparing the Mannich condensation product sequestering agents. The present invention is also directed to a product formed by combining, under reaction conditions, a polyisobutyl-substituted hydroxyaromatic compound, an aldehyde, an amino acid or ester thereof, and an alkali metal base to form the Mannich condensation product sequestering agent. The present invention is also directed to a lubricating oil composition, a lubricating oil concentrate, a fuel composition, and a fuel concentrate having the Mannich condensation product sequestering agents of the present invention.Type: GrantFiled: May 4, 2011Date of Patent: March 12, 2013Assignee: Chevron Oronite Company LLCInventors: James J. Harrison, Kenneth D. Nelson
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Patent number: 8343901Abstract: Multi-functional additives which impart improved antioxidancy to lubricating oil compositions and frictional properties resulting in improved fuel economy in an internal combustion engine are disclosed. More particularly disclosed are lubricating oil compositions for internal combustion engines comprising a) a major amount of an oil of lubricating viscosity; and b) a minor amount of an oil soluble hydroxylated amine salt of a hindered phenolic acid, said salt having the general formula I: wherein A and Q are each independently C2-C6 alkylene group; R is methyl, alkyl or alkenyl group having C2-C24 carbon atoms; Y is hydrogen, C1-C6 alkyl group or A-OH; x is an integer of 1 or 2; and z is an integer of 0 or 1.Type: GrantFiled: October 12, 2010Date of Patent: January 1, 2013Assignee: Chevron Oronite Company LLCInventors: Yat Fan Suen, John Ward, Trevor Miller
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Patent number: 8334242Abstract: Multi-functional additives which impart improved antioxidancy to lubricating oil compositions and frictional properties resulting in improved fuel economy in an internal combustion engine are disclosed. More particularly disclosed is a boron containing salt of an oil soluble hydroxylated amine and a hindered phenolic acid product prepared by: a) reacting an oil soluble hydroxylated amine of the general formula II: wherein A at each occurrence is each independently C2-C6 alkylene group; R is methyl or an alkyl or alkenyl group having C2-C24 carbon atoms; Y is hydrogen, C1-C6 alkyl group or A-OH; x is an integer of 1 or 2; and z is an integer of 0 or 1; with a boron containing compound under reactive conditions; and b) mixing the reaction product of step a) with a hindered phenolic acid.Type: GrantFiled: October 12, 2010Date of Patent: December 18, 2012Assignee: Chevron Oronite Company LLCInventors: Yat Fan Suen, John Ward, Trevor Miller
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Publication number: 20120283158Abstract: The present invention relates to functional fluid compositions containing friction modifiers, and specifically stable compositions containing friction modifiers with limited solubility in and/or limited compatibility with the functional fluids with which they are used. In particular the present invention deals with functional fluids used in internal combustion engines, such as engine oils, and friction modifiers that contain one or more amide functional groups, where the friction modifier is present in the functional fluid composition at levels that would otherwise cause the composition to be unstable and/or hazy.Type: ApplicationFiled: November 17, 2010Publication date: November 8, 2012Applicant: THE LUBRIZOL CORPORATIONInventors: John J. Mullay, James D. Burrington, Ewan E. Delbridge
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Publication number: 20120156123Abstract: A water-soluble cutting fluid for slicing silicon ingots is characterized in that it includes a monoprotic or diprotic aliphatic carboxylic acid (A) having a carbon number (including the carbon in the carbonyl group) of 4˜10, and either a polyprotic organic acid (B) with ?pKa of 0.9˜2.3 as defined by the following formula (1) or a salt (BA) of said organic acid (B) as essential components: ?pKa=(pKa2)?(pKa1) ??(1) wherein the dissociation stage, at which the organic acid (B) denoted as n-protic acid HnA, becomes Hn-1A+H+ is numbered 1 with an acid dissociation constant expressed as pKa1, and the dissociation stage at which the organic acid (B) becomes Hn-2A+H+ is numbered as 2 with an acid dissociation constant expressed as pKa2.Type: ApplicationFiled: August 30, 2010Publication date: June 21, 2012Applicant: SANYO CHEMICAL INDUSTRIES, LTD.Inventors: Aki Hidaka, Yoshitaka Katsukawa, Tsuyoshi Okamoto
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Publication number: 20120088708Abstract: Multi-functional additives which impart improved antioxidancy to lubricating oil compositions and frictional properties resulting in improved fuel economy in an internal combustion engine are disclosed. More particularly disclosed are lubricating oil compositions for internal combustion engines comprising a) a major amount of an oil of lubricating viscosity; and b) a minor amount of an oil soluble hydroxylated amine salt of a hindered phenolic acid, said salt having the general formula I: wherein A and Q are each independently C2-C6 alkylene group; R is methyl, alkyl or alkenyl group having C2-C24 carbon atoms; Y is hydrogen, C1-C6 alkyl group or A-OH; x is an integer of 1 or 2; and z is an integer of 0 or 1.Type: ApplicationFiled: October 12, 2010Publication date: April 12, 2012Inventors: Yat Fan Suen, John Ward, Trevor Miller
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Patent number: 8101559Abstract: Copolymers are obtainable by polymerizing a monomer composition containing a) 0% to 40% by weight of one or more ethylenically unsaturated ester compounds of the formula (I), b) 10% to 99.9% by weight of one or more ethylenically unsaturated ester compounds of the formula (II), c) 0% to 80% by weight of one or more ethylenically unsaturated ester compounds of the formula (III), d) 0.1% to 30% by weight of one or more ethylenically unsaturated, polar ester compounds of the formula (IV), and e) 0% to 50% by weight of comonomer, based in each case on the total weight of the ethylenically unsaturated monomers.Type: GrantFiled: April 4, 2006Date of Patent: January 24, 2012Assignee: Rohmax Additives GmbHInventors: Michael Mueller, Torsten Stoehr, Boris Eisenberg
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Publication number: 20110306429Abstract: The present invention provides a grease composition or a lubricating oil composition which is capable of effectively preventing hydrogen brittleness-caused peeling from occurring on a rolling surface of a rolling bearing, is excellent in durability in a high temperature and speed operation, and can be used for a long time. A grease-packed bearing (1) has an inner ring (2), an outer ring (3), and a plurality of rolling elements (4). A sealing member (6) for sealing a grease composition (7) is provided at openings (8a) and (8b) disposed at both axial ends of the inner ring (2) and the outer ring (3). The grease composition (7) includes a base grease composed of a base oil and a thickener and an additive added to the base grease. The additive contains at least one compound selected from among plant-derived polyphenolic compounds and compounds formed by decomposition thereof.Type: ApplicationFiled: February 24, 2010Publication date: December 15, 2011Applicant: NTE CORPORATIONInventors: Hidenobu Mikami, Yosuke Taguchi
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Publication number: 20110230379Abstract: The present invention is directed to Mannich condensation product sequestering agents or mixtures of Mannich condensation product sequestering agents for use in fuels and lubricating oils. The present invention is also directed to a process for preparing the Mannich condensation product sequestering agents. The present invention is also directed to a product formed by combining, under reaction conditions, a polyisobutyl-substituted hydroxyaromatic compound, an aldehyde, an amino acid or ester thereof, and an alkali metal base to form the Mannich condensation product sequestering agent. The present invention is also directed to a lubricating oil composition, a lubricating oil concentrate, a fuel composition, and a fuel concentrate having the Mannich condensation product sequestering agents of the present invention.Type: ApplicationFiled: May 4, 2011Publication date: September 22, 2011Applicant: Chevron Oronite Company LLCInventors: James J. Harrison, Kenneth D. Nelson
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Patent number: 7988884Abstract: A novel manufacturing process is described for producing hindered phenolic alkyl esters, which may be useful as antioxidants. This process simplifies catalyst neutralization and removal during the preparation of hindered phenolic esters. Compositions that comprise the hindered phenolic esters produced according to these methods are also described.Type: GrantFiled: January 26, 2010Date of Patent: August 2, 2011Assignee: Albemarle CorporationInventors: Vincent J. Gatto, Hassan Y Elnagar, Chi Hung Cheng, J. Robert Adams
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Patent number: 7767631Abstract: A process is disclosed for manufacturing a lubricant composition comprising combining a superabsorbent polymer with a material for decreasing friction between moving surfaces. The superabsorbent polymer absorbs from about 25 to greater than 100 times its weight in water and may comprise a polymer of acrylic acid, an acrylic ester, acrylonitrile or acrylamide, including co-polymers thereof or starch graft co-polymers thereof or mixtures thereof. A product produced by the process includes the material for decreasing friction comprising a petroleum lubricant containing an additive, water containing an additive, synthetic lubricant, grease, solid lubricant or metal working lubricant, wherein the synthetic lubricant, grease, solid lubricant or metal working lubricant optionally contain an additive. A process comprising controlling the delivery of a lubricant to at least one of two moving surfaces in order to decrease friction between said moving surfaces, is also disclosed.Type: GrantFiled: July 23, 1999Date of Patent: August 3, 2010Assignee: Lee County Mosquito Control DistrictInventor: Richard Levy
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Patent number: 7754663Abstract: A premium wear resistant lubricant comprises a base stock, preferably a GTL liquid or the liquid isomerization product of slack wax or F-T wax, and a non-ionic ashless anti-wear additive. The non-ionic ashless antiwear additive is preferably at least one of thiosalicylic acid or alkyl ester thereof, thioxomalonate, 2,2-dithiopyridine and thiazolidine. The lubricant may also contain additional base stock materials selected from other hydrocarbonaceous and synthetic base stock materials in admixture with the GTL liquid or slack wax or F-T derived base stock.Type: GrantFiled: December 13, 2005Date of Patent: July 13, 2010Assignee: ExxonMobil Research and Engineering CompanyInventors: Jacob Joseph Habeeb, Heather M. Haigh
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Publication number: 20100130391Abstract: A novel manufacturing process is described for producing hindered phenolic alkyl esters, which may be useful as antioxidants. This process simplifies catalyst neutralization and removal during the preparation of hindered phenolic esters. Compositions that comprise the hindered phenolic esters produced according to these methods are also described.Type: ApplicationFiled: January 26, 2010Publication date: May 27, 2010Applicant: ALBEMARLE CORPORATIONInventors: Vincent J. Gatto, Hassan Y. Elnagar, Chi Hung Cheng, J. Robert Adams
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Patent number: 7718585Abstract: A lubricant composition is disclosed comprising a superabsorbent polymer combined with a material for decreasing friction between moving surfaces. The superabsorbent polymer absorbs from about 25 to greater than 100 times its weight in water and may comprise a polymer of acrylic acid, an acrylic ester, acrylonitrile or acrylamide, including co-polymers thereof or starch graft co-polymers thereof or mixtures thereof. In the composition, the material for decreasing friction comprises a petroleum lubricant containing an additive, water containing an additive, synthetic lubricant, grease, solid lubricant or metal working lubricant, wherein the synthetic lubricant, grease, solid lubricant or metal working lubricant optionally contain an additive.Type: GrantFiled: July 21, 1999Date of Patent: May 18, 2010Assignee: Lee County Mosquito Control DistrictInventor: Richard Levy
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Publication number: 20100120639Abstract: The present invention relates to a lubricant composition. The present invention more particularly relates to a fully miscible lubricant composition that comprise a polyether and a renewable raw material such as an unsaturated seed or vegetable oil.Type: ApplicationFiled: April 1, 2008Publication date: May 13, 2010Inventors: Johan A. Thoen, Rene Geiger, Martin R. Greaves, David C. Busby
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Patent number: 7635669Abstract: There is provided a fluid composition including at least one hydroxy-substituted carboxylic acid. Also provided are methods of inhibiting at least one of corrosion and rust and of improving at least one of lubricity and lead compatibility. Also provided are lubricating, fuel, anticorrosion, antirust, and additive concentration compositions.Type: GrantFiled: October 4, 2004Date of Patent: December 22, 2009Assignee: Afton Chemical CorportationInventor: Scott Anthony Culley
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Publication number: 20090305925Abstract: The present invention includes the use of anhydride compositions, including alkyl and aryl anhydrides, for use as a demulsifier in resolving emulsions of water and oil. In particular, the anhydride composition can be used alone or in a blend with other demulsifiers. Suitable anhydrides suitable for the present invention include acetic and propionic, with acetic anhydride being preferred. The anhydride composition can be added directly to crude oil or other compositions to be resolved. As such, the demulsifier composition includes an anhydride, such as acetic anhydride, alone or in combination with other demulsifiers. The anhydride can be used in an amount ranging between trace and 100% by weight of the demulsifier composition.Type: ApplicationFiled: June 4, 2008Publication date: December 10, 2009Inventors: Duncan E. Williams, Richard Mgla
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Publication number: 20090131292Abstract: An automotive lubricating oil composition containing: (A) an oil of lubricating viscosity in a major amount; and (B) as an additive component in a minor amount, an oil-soluble or oil-dispersible 4-oxobutanoic acid having the moiety —CO(CH2)COOH bonded to (i) a group OR1 where R1 is hydrocarbyl group having 10 to 30 carbon atoms; or (ii) a group X being an aromatic group substituted with at least one hydrocarbyl group having 10 to 30 carbon atoms; or (iii) a group NR2R3 where one or both of R2 and R3 is hydrocarbyl group having from 10 to 30 carbon atoms and one but not both of R2 and R3 may be a hydrogen atom, or a salt thereof.Type: ApplicationFiled: November 19, 2007Publication date: May 21, 2009Inventors: Steve Harris, Peter Anthony Tasker
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Publication number: 20080280791Abstract: A lubricating oil and a lubricant additive composition suitable for use in marine gear applications, including the gears of two-cycle or four-cycle outboard marine engines or the gears of an outdrive of an inboard/outboard marine drivetrain. The lubricating oil and additive composition may exhibit improved water emulsification and wear properties.Type: ApplicationFiled: December 12, 2007Publication date: November 13, 2008Inventor: Chip Hewette
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Patent number: 6919301Abstract: A grease composition with a thickener of a calcium sulfonate complex and a second thickener component in a base oil. The second thickener component may be, for instance, polyurea, a metallic soap, a complex metallic soap or an N-substituted terephthalamic acid metal salt. Alternatively, a grease composition with a thickener of an N-substituted terephthalamic acid metal salt and a second thickener component in a base oil. Furthermore, a grease composition with a thickener component of polyurea and complex metallic soap in an ester oil. Still further, a grease composition with a thickener of polyurea and a complex metallic soap in a base oil.Type: GrantFiled: October 15, 2002Date of Patent: July 19, 2005Assignee: NSK Ltd.Inventors: Shinya Nakatani, Hirotoshi Miyazima, Michita Hokao
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Patent number: 6706670Abstract: This invention relates to novel water soluble metal working fluid compositions, their use to work metal, a process for working metal using such compositions and the metal worked article of manufacture. More particularly, this invention relates to fluid compositions useful in cutting, grinding, shaping and other metal working operations which require a lubricant. The terms “first Group A” and “second Group B” are used herein to denote different groups and not to indicate any sequence of use or selection as any possible combination or sequence of use of a component(s) is envisioned without limit of any kind. The disclosed fluid compositions are also anticorrosive and environmentally more acceptable than current oil based fluids.Type: GrantFiled: February 24, 1999Date of Patent: March 16, 2004Assignee: Solutia, Inc.Inventors: Dennis J. Kalota, Yueting Chou, Timothy K. Hirzel, David C. Silverman, Jacob S. Tou, Winsor R. Cho
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Lubricating oil composition comprising borated and EC-treated succinimides and phenolic antioxidants
Publication number: 20030171224Abstract: An additive package comprising one or more borated dispersants, one or more EC-treated dispersants, and one or more phenolic antioxidants; a lubricating oil composition comprising said additive package; and a method of controlling bearing corrosion and valve train wear using said lubricating oil.Type: ApplicationFiled: February 14, 2003Publication date: September 11, 2003Inventors: Willem Van Dam, Peter Kleijwegt -
Publication number: 20030162671Abstract: This invention relates to novel water soluble metal working fluid compositions, their use to work metal, a process for working metal using such compositions and the metal worked article of manufacture. More particularly, this invention relates to fluid compositions useful in cutting, grinding, shaping and other metal working operations which require a lubricant. The terms “first Group A” and “second Group B” are used herein to denote different groups and not to indicate any sequence of use or selection as any possible combination or sequence of use of a component(s) is envisioned without limit of any kind. The disclosed fluid compositions are also anticorrosive and environmentally more acceptable than current oil based fluids.Type: ApplicationFiled: February 24, 1999Publication date: August 28, 2003Inventors: DENNIS J. KALOTA, YUETING CHOU, TIMOTHY K. HIRZEL, DAVID C. SILVERMAN, JACOB S. TOU, WINSOR R. CHO
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Patent number: 6596674Abstract: The invention is a liquid composition of matter useful as a metal working lubricant. The composition comprises a primary lubricity component, such as a polyether or polyether ester, and dissolved salts of carboxylic acids. The composition preferably contains not more than 0.2 percent of any element except carbon, hydrogen, oxygen, alkaline earth metals, alkali metals, inorganically bonded halogens, inorganically bonded nitrogen, inorganically bonded sulfur, and inorganically bonded phosphorus.Type: GrantFiled: February 27, 2001Date of Patent: July 22, 2003Assignee: Henkel CorporationInventor: Frank K. Botz
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Publication number: 20020103089Abstract: A lubricant composition for a surface treatment of a steel filament comprises at least one specified compound as a lubricant component and a rubber-steel filament composite body is prepared by using a steel filament treated with the lubricant composition.Type: ApplicationFiled: June 29, 2001Publication date: August 1, 2002Applicant: BRIDGESTONE CORPORATIONInventors: Yasuo Fukushima, Hajime Kondo
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Patent number: 6340659Abstract: Lubricants which comprise, as an additive a salt of the reaction product of (i) glyoxylic acid or a hydrocarbyl substituted glyoxylic acid and (ii) a hydroxyaromatic compound, at least a portion of the molecules of which are alkyl-substituted, are useful for lubricating ceramic-containing engines, high temperature engines, and natural gas-fueled engines. Particularly useful additives are those in which the hydroxyaromatic compound is a dialkyl phenol containing a t-butyl group in an ortho position.Type: GrantFiled: December 13, 1995Date of Patent: January 22, 2002Assignee: The Lubrizol CorporationInventors: Jody A. Kocsis, Sheri L. Blystone, Ewa A. Bardasz, Marvin B. DeTar
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Publication number: 20020006880Abstract: The multifunctional aqueous lubricant according to the invention comprises at least one water-soluble salt of dithiodiglycolic acid and at least one water-soluble compound chosen from the group consisting of:Type: ApplicationFiled: May 17, 2001Publication date: January 17, 2002Inventor: Francois Guillement
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Patent number: 6153566Abstract: The present invention concerns bacteriostatic compositions comprising a bacteriostatic agent selected from the group comprising amides and amine salts of normal heptanoic acid and amides, amine salts and alkyleneoxide addition compounds of undecylenic acid. It also concerns the use of said compositions in the field of metal working fluids.Type: GrantFiled: June 3, 1998Date of Patent: November 28, 2000Assignee: Elf Atochem S.A.Inventors: Aki Yonekura, Toshifumi Hatanaka, Tetsushi Kawamura, Henri-Jean Caupin
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Patent number: 5856280Abstract: The present invention resides in a turbo oil composition exhibiting enhanced antioxidancy and resistance to deposit formation, and to a method for achieving that result in turbo oils. The gas turbine lubricating oil of the present invention comprises a major proportion of synthetic polyol ester based base stock including diesters and polyol esters, preferably polyol ester based base stock and a minor proportion of an antioxidant/deposit control additive, specifically a sulfur-containing carboxylic acid (SCCA) derivative. Other conventional additives such as extreme pressure, pour point reduction, oxidative stability, anti-foaming, hydrolytic stability, improved viscosity index performance, anti-wear, and corrosion inhibitor additives and others may also be employed. The use of SCCA derivative produces a turbo oil exhibiting markedly superior oxidation stability and deposit control performance compared to that exhibited by turbo oil without the SCCA derivative.Type: GrantFiled: February 4, 1997Date of Patent: January 5, 1999Assignee: Exxon Research and Engineering CompanyInventors: Jeenok T. Kim, Patrick Edward Godici, Paul Joseph Berlowitz, Morton Beltzer
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Patent number: 5827805Abstract: Compositions represented by the structures ##STR1## where Ar represents an aromatic group, each R is independently a hydrocarbyl group, at least one R having more than 12 carbon atoms, a is 1 to 4, and R' is hydrogen or alkyl, are useful as lubricant and fuel additives and as intermediates for the preparation of derivatives useful as such additives.Type: GrantFiled: February 29, 1996Date of Patent: October 27, 1998Assignee: The Lubrizol CorporationInventors: Paul E. Adams, Bryan A. Grisso, Mark R. Baker
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Patent number: 5750046Abstract: A method of maintaining and servicing air conditioning systems and compositions therefor are provided whereby newer, more environmentally friendly R-134a refrigerant gas is substituted for the older R-12 and R-22 types. In addition, a method of flushing and internal lubrication of the system is presented, along with a new flush solvent and a new lubricant composition for use with an R-134a refrigerant gas.Type: GrantFiled: May 27, 1997Date of Patent: May 12, 1998Inventor: William B. Wheeler
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Patent number: 5696062Abstract: Colloidal products are obtained by a process which comprises at least partial neutralization of an overbased colloidal bismuth sulphonate type product containing a basicity reserve in the form of micellized calcium, barium or magnesium carbonate, using at least one carboxylic acid containing sulphur and optionally containing nitrogen. These products can be used as antiwear and extreme-pressure additives in lubricating oils and greases.Type: GrantFiled: February 7, 1997Date of Patent: December 9, 1997Assignee: Institut Francais Du PetroleInventors: Bruno Delfort, Maurice Born, Bertrand Daoudal, Jacques Lallement
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Patent number: 5663127Abstract: A lubricating composition containing about 0.1-10 weight percent of a perfluoropolyether lubricant containing perfluoropolyether molecules having at least one hydrogen-containing end group per molecule, and about 99.9-90 weight percent of a liquid, perfluorinated, nonaromatic cyclic organic solvent or mixture of such solvents is provided.Type: GrantFiled: July 29, 1994Date of Patent: September 2, 1997Assignee: Minnesota Mining and Manufacturing CompanyInventors: Richard M. Flynn, John G. Owens
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Patent number: 5584943Abstract: A lubricant and surface conditioner for formed metal surfaces, particularly beverage containers, reduces the coefficient of static friction of said metal surfaces and enables drying said metal surfaces at a lower temperature. An aqueous composition for forming the conditioner by contact with metal surfaces includes a water-soluble organic material selected from a phosphate ester, alcohol, fatty acid including mono-, di-, tri-, and polyacids; fatty acid derivatives such as salts, hydroxy acids, amides, esters, ethers and derivatives thereof; and mixtures thereof and at least one of the elements selected from zirconium, titanium, cerium, aluminum, iron, tin, vanadium, tantalum, niobium, molybdenum, tungsten, and hafnium in metallic or ionic form. In order to avoid formation of sludge in the aqueous lubricant and surface conditioner forming composition, the composition should contain as little as possible of materials containing phenanthrene rings, such as conventional surfactants made by ethoxylating rosin.Type: GrantFiled: December 22, 1994Date of Patent: December 17, 1996Assignee: Henkel CorporationInventors: Richard D. Banaszak, Timm L. Kelly, Gary L. Rochfort