Chalcogen Attached Indirectly To The -c(=o)o- Group By Nonionic Bonding Patents (Class 508/516)
  • Patent number: 9593292
    Abstract: 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: Grant
    Filed: February 17, 2014
    Date of Patent: March 14, 2017
    Assignee: The Lubrizol Corporation
    Inventors: Virginia A. Carrick, Alvin E. Haas, Jonathan S. Vilardo
  • Patent number: 8759264
    Abstract: 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: Grant
    Filed: December 2, 2009
    Date of Patent: June 24, 2014
    Assignee: Clarient Finance (BVI) Limited
    Inventors: Rainer Kupfer, Carsten Cohrs
  • Patent number: 8729297
    Abstract: 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: Grant
    Filed: April 12, 2013
    Date of Patent: May 20, 2014
    Assignee: Chevron Oronite Company LLC
    Inventors: James Joseph Harrison, Kenneth Dale Nelson
  • Patent number: 8722601
    Abstract: 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: Grant
    Filed: August 19, 2011
    Date of Patent: May 13, 2014
    Assignee: RohMax Additives GmbH
    Inventors: Michael Mueller, Torsten Stoehr, Boris Eisenberg
  • Patent number: 8722927
    Abstract: 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: Grant
    Filed: April 12, 2013
    Date of Patent: May 13, 2014
    Assignee: Chevron Oronite Company LLC
    Inventors: James J. Harrison, Kenneth D. Nelson
  • Publication number: 20130096211
    Abstract: 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: Application
    Filed: October 11, 2012
    Publication date: April 18, 2013
    Applicant: Solazyme, Inc.
    Inventors: Scott Franklin, Aravind Somanchi, Janice Wee, George Rudenko, Jeffrey L. Moseley, Walt Rakitsky
  • Patent number: 8394747
    Abstract: 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: Grant
    Filed: May 4, 2011
    Date of Patent: March 12, 2013
    Assignee: Chevron Oronite Company LLC
    Inventors: James J. Harrison, Kenneth D. Nelson
  • Patent number: 8343901
    Abstract: 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: Grant
    Filed: October 12, 2010
    Date of Patent: January 1, 2013
    Assignee: Chevron Oronite Company LLC
    Inventors: Yat Fan Suen, John Ward, Trevor Miller
  • Patent number: 8334242
    Abstract: 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: Grant
    Filed: October 12, 2010
    Date of Patent: December 18, 2012
    Assignee: Chevron Oronite Company LLC
    Inventors: Yat Fan Suen, John Ward, Trevor Miller
  • Publication number: 20120283158
    Abstract: 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: Application
    Filed: November 17, 2010
    Publication date: November 8, 2012
    Applicant: THE LUBRIZOL CORPORATION
    Inventors: John J. Mullay, James D. Burrington, Ewan E. Delbridge
  • Publication number: 20120156123
    Abstract: 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: Application
    Filed: August 30, 2010
    Publication date: June 21, 2012
    Applicant: SANYO CHEMICAL INDUSTRIES, LTD.
    Inventors: Aki Hidaka, Yoshitaka Katsukawa, Tsuyoshi Okamoto
  • Publication number: 20120088708
    Abstract: 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: Application
    Filed: October 12, 2010
    Publication date: April 12, 2012
    Inventors: Yat Fan Suen, John Ward, Trevor Miller
  • Patent number: 8101559
    Abstract: 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: Grant
    Filed: April 4, 2006
    Date of Patent: January 24, 2012
    Assignee: Rohmax Additives GmbH
    Inventors: Michael Mueller, Torsten Stoehr, Boris Eisenberg
  • Publication number: 20110306429
    Abstract: 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: Application
    Filed: February 24, 2010
    Publication date: December 15, 2011
    Applicant: NTE CORPORATION
    Inventors: Hidenobu Mikami, Yosuke Taguchi
  • Publication number: 20110230379
    Abstract: 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: Application
    Filed: May 4, 2011
    Publication date: September 22, 2011
    Applicant: Chevron Oronite Company LLC
    Inventors: James J. Harrison, Kenneth D. Nelson
  • Patent number: 7988884
    Abstract: 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: Grant
    Filed: January 26, 2010
    Date of Patent: August 2, 2011
    Assignee: Albemarle Corporation
    Inventors: Vincent J. Gatto, Hassan Y Elnagar, Chi Hung Cheng, J. Robert Adams
  • Patent number: 7767631
    Abstract: 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: Grant
    Filed: July 23, 1999
    Date of Patent: August 3, 2010
    Assignee: Lee County Mosquito Control District
    Inventor: Richard Levy
  • Patent number: 7754663
    Abstract: 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: Grant
    Filed: December 13, 2005
    Date of Patent: July 13, 2010
    Assignee: ExxonMobil Research and Engineering Company
    Inventors: Jacob Joseph Habeeb, Heather M. Haigh
  • Publication number: 20100130391
    Abstract: 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: Application
    Filed: January 26, 2010
    Publication date: May 27, 2010
    Applicant: ALBEMARLE CORPORATION
    Inventors: Vincent J. Gatto, Hassan Y. Elnagar, Chi Hung Cheng, J. Robert Adams
  • Patent number: 7718585
    Abstract: 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: Grant
    Filed: July 21, 1999
    Date of Patent: May 18, 2010
    Assignee: Lee County Mosquito Control District
    Inventor: Richard Levy
  • Publication number: 20100120639
    Abstract: 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: Application
    Filed: April 1, 2008
    Publication date: May 13, 2010
    Inventors: Johan A. Thoen, Rene Geiger, Martin R. Greaves, David C. Busby
  • Patent number: 7635669
    Abstract: 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: Grant
    Filed: October 4, 2004
    Date of Patent: December 22, 2009
    Assignee: Afton Chemical Corportation
    Inventor: Scott Anthony Culley
  • Publication number: 20090305925
    Abstract: 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: Application
    Filed: June 4, 2008
    Publication date: December 10, 2009
    Inventors: Duncan E. Williams, Richard Mgla
  • Publication number: 20090131292
    Abstract: 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: Application
    Filed: November 19, 2007
    Publication date: May 21, 2009
    Inventors: Steve Harris, Peter Anthony Tasker
  • Publication number: 20080280791
    Abstract: 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: Application
    Filed: December 12, 2007
    Publication date: November 13, 2008
    Inventor: Chip Hewette
  • Patent number: 6919301
    Abstract: 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: Grant
    Filed: October 15, 2002
    Date of Patent: July 19, 2005
    Assignee: NSK Ltd.
    Inventors: Shinya Nakatani, Hirotoshi Miyazima, Michita Hokao
  • Patent number: 6706670
    Abstract: 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: Grant
    Filed: February 24, 1999
    Date of Patent: March 16, 2004
    Assignee: Solutia, Inc.
    Inventors: Dennis J. Kalota, Yueting Chou, Timothy K. Hirzel, David C. Silverman, Jacob S. Tou, Winsor R. Cho
  • Publication number: 20030171224
    Abstract: 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: Application
    Filed: February 14, 2003
    Publication date: September 11, 2003
    Inventors: Willem Van Dam, Peter Kleijwegt
  • Publication number: 20030162671
    Abstract: 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: Application
    Filed: February 24, 1999
    Publication date: August 28, 2003
    Inventors: DENNIS J. KALOTA, YUETING CHOU, TIMOTHY K. HIRZEL, DAVID C. SILVERMAN, JACOB S. TOU, WINSOR R. CHO
  • Patent number: 6596674
    Abstract: 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: Grant
    Filed: February 27, 2001
    Date of Patent: July 22, 2003
    Assignee: Henkel Corporation
    Inventor: Frank K. Botz
  • Publication number: 20020103089
    Abstract: 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: Application
    Filed: June 29, 2001
    Publication date: August 1, 2002
    Applicant: BRIDGESTONE CORPORATION
    Inventors: Yasuo Fukushima, Hajime Kondo
  • Patent number: 6340659
    Abstract: 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: Grant
    Filed: December 13, 1995
    Date of Patent: January 22, 2002
    Assignee: The Lubrizol Corporation
    Inventors: Jody A. Kocsis, Sheri L. Blystone, Ewa A. Bardasz, Marvin B. DeTar
  • Publication number: 20020006880
    Abstract: 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: Application
    Filed: May 17, 2001
    Publication date: January 17, 2002
    Inventor: Francois Guillement
  • Patent number: 6153566
    Abstract: 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: Grant
    Filed: June 3, 1998
    Date of Patent: November 28, 2000
    Assignee: Elf Atochem S.A.
    Inventors: Aki Yonekura, Toshifumi Hatanaka, Tetsushi Kawamura, Henri-Jean Caupin
  • Patent number: 5856280
    Abstract: 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: Grant
    Filed: February 4, 1997
    Date of Patent: January 5, 1999
    Assignee: Exxon Research and Engineering Company
    Inventors: Jeenok T. Kim, Patrick Edward Godici, Paul Joseph Berlowitz, Morton Beltzer
  • Patent number: 5827805
    Abstract: 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: Grant
    Filed: February 29, 1996
    Date of Patent: October 27, 1998
    Assignee: The Lubrizol Corporation
    Inventors: Paul E. Adams, Bryan A. Grisso, Mark R. Baker
  • Patent number: 5750046
    Abstract: 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: Grant
    Filed: May 27, 1997
    Date of Patent: May 12, 1998
    Inventor: William B. Wheeler
  • Patent number: 5696062
    Abstract: 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: Grant
    Filed: February 7, 1997
    Date of Patent: December 9, 1997
    Assignee: Institut Francais Du Petrole
    Inventors: Bruno Delfort, Maurice Born, Bertrand Daoudal, Jacques Lallement
  • Patent number: 5663127
    Abstract: 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: Grant
    Filed: July 29, 1994
    Date of Patent: September 2, 1997
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Richard M. Flynn, John G. Owens
  • Patent number: 5584943
    Abstract: 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: Grant
    Filed: December 22, 1994
    Date of Patent: December 17, 1996
    Assignee: Henkel Corporation
    Inventors: Richard D. Banaszak, Timm L. Kelly, Gary L. Rochfort