With Organic Nitrogen Or Phosphorus Compound Patents (Class 508/487)
  • Patent number: 8722598
    Abstract: The invention provides a grease composition having (A) a lithium soap thickener, (B) as a base oil an ester type synthetic oil obtainable from an esterification reaction of trimethylolpropane with a fatty acid, and (C) (c-1) a 1-naphthylamine type antioxidant and (c-2) a diphenylamine type antioxidant, wherein the contents of (c-1) and (c-2) are 1.0 to 10 mass % in total, based on the total mass of the composition, and the ratio by mass of (c-1) to (c-2) is in the range from 30:70 to 70:30.
    Type: Grant
    Filed: April 27, 2012
    Date of Patent: May 13, 2014
    Assignees: Kyodo Yushi Co., Ltd., Minebea Co., Ltd.
    Inventors: Motoharu Akiyama, Yusuke Enomoto, Kenichiro Matsubara
  • Publication number: 20120277136
    Abstract: The invention provides a grease composition having (A) a lithium soap thickener, (B) as a base oil an ester type synthetic oil obtainable from an esterification reaction of trimethylolpropane with a fatty acid, and (C) (c-1) a 1-naphthylamine type antioxidant and (c-2) a diphenylamine type antioxidant, wherein the contents of (c-1) and (c-2) are 1.0 to 10 mass% in total, based on the total mass of the composition, and the ratio by mass of (c-1) to (c-2) is in the range from 30:70 to 70:30.
    Type: Application
    Filed: April 27, 2012
    Publication date: November 1, 2012
    Applicants: KYODO YUSHI CO., LTD., MINEBEA CO., LTD.
    Inventors: Motoharu AKIYAMA, Yusuke Enomoto, Kenichiro Matsubara
  • Patent number: 7968504
    Abstract: This invention is a composition that includes a transesterified fatty acid ester resulting from the reaction of a fatty acid ester, in the presence of an acid, with a hydroxyl-containing compound. The fatty acid esters of the invention are selected from those with a carbon number of eight to twenty. The hydroxyl-containing compound is an alcohol having a carbon number between one and eighteen. The resulting composition is useful as a lubricant, as a heat transfer agent, as a rheological modifier and as a corrosion/moisture inhibitor, among other uses.
    Type: Grant
    Filed: June 25, 2007
    Date of Patent: June 28, 2011
    Assignee: MJ Research and Development, LP
    Inventors: Benjamin Mosier, Bryan J. Duffy
  • Patent number: 7902131
    Abstract: Molybdenum-free lubricating compositions are provided, having an antioxidation additive composition based on a combination of (1) alkylated diphenylamine (APDA), (2) polyamine dispersant, and (3) monoglyceride, ethoxylated amide, or mixtures thereof. Further synergy is achieved when component (3) is borated, allowing a reduction in phosphorus levels to below 0.08% or even a phosphorus-free composition.
    Type: Grant
    Filed: April 26, 2007
    Date of Patent: March 8, 2011
    Assignee: R.T. Vanderbilt Company, Inc.
    Inventors: Gaston A. Aguilar, Brian Stunkel, Steven G. Donnelly
  • 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: 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
  • Patent number: 7592297
    Abstract: The present disclosure is directed to compounds and methods of making the compounds (3, 5) having the formula: where X is a functional group chosen from: and wherein R is chosen from hydrogen, n-alkyl, iso-alkyl, aryl, heterocyclic ring, and nitrogen or a sulfur containing group, and n ranges from 0 to 4.
    Type: Grant
    Filed: October 31, 2006
    Date of Patent: September 22, 2009
    Assignee: Caterpillar Inc.
    Inventor: Atanu Adhvaryu
  • Patent number: 7458585
    Abstract: There is provided a sliding member including a base body and a hard carbon coating formed on the base body to define a sliding surface for sliding contact with an opposing member under lubrication according to one embodiment of the present invention. The hard carbon coating has an outermost surface portion lower in hydrogen content than a remaining portion thereof, or an outermost coating layer lower in hydrogen content than at least one other coating layer.
    Type: Grant
    Filed: August 6, 2004
    Date of Patent: December 2, 2008
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Takahiro Hamada, Makoto Kano, Yutaka Mabuchi
  • Patent number: 7146956
    Abstract: A valve train for an internal combustion engine is comprised of a lubricating oil, and a camshaft which is made of an iron-based material and comprises a cam lobe and a camshaft journal. The camshaft slidingly moves on a counterpart thereof through the lubricating oil. A hard carbon film is formed on at least one of a sliding portion of the camshaft and the counterpart made of an iron-based material. A hydrogen amount of the hard carbon film is 10 atomic percent or less.
    Type: Grant
    Filed: August 6, 2004
    Date of Patent: December 12, 2006
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Shin Nomura, Takahiro Miura, Makoto Kano, Yutaka Mabuchi, Takahiro Hamada, Miki Murakami
  • Patent number: 6919302
    Abstract: The invention concerns the use of an oil composition for temporarily protecting and lubricating metal surfaces, characterised in that said composition contains: at least 30% of at least a saturated or unsaturated C?18 fatty acid triglyceride (Compound A); 5 to 30% of at least a C?18 fatty acid triglyceride with oleic acid content of at least 60 wt. % (Compound B); 5 to 30% of at least an ester derived from condensation of a C1-C12, preferably, C1-C2 aliphatic alcohol, with a C?18 fatty acid (Compound C); and optionally 5 to 20% of at least an amide derived from condensation of a C?18 ?fatty acid, and a C2-C6 mono- di- or tri-alkanolamine (Compound D). The invention also concerns a corresponding oil composition.
    Type: Grant
    Filed: May 15, 2001
    Date of Patent: July 19, 2005
    Assignee: Usinor
    Inventors: Philippe Legros, Jean-Luc Olive, Agn├Ęs Marchand
  • Patent number: 6878677
    Abstract: The invention provides a refrigerator oil composition comprising a base oil of a mineral oil and/or a synthetic oil, and containing (a) a partial ester of a polyalcohol and a fatty acid and (b) an acid phosphate or its amine salt; and a refrigerator oil composition comprising a base oil of a mineral oil and/or a synthetic oil, and containing any of (a) acid phosphates or their amine salts, (b) acetylene glycol alkylene oxide adducts, (c) potassium salts of fatty acids, etc., (d) organic acids, and (e) fatty acid amides. The refrigerator oil compositions have good lubricity and are especially effective for reducing the friction in both the oil region and the extreme-pressure region in the sliding area between aluminium materials and steel materials.
    Type: Grant
    Filed: March 1, 2000
    Date of Patent: April 12, 2005
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Shuichi Sakanoue, Masahiko Takesue, Youichiro Jido, Minoru Takagi, Shoichi Tominaga, Hiroshi Nagakawa
  • Patent number: 6844298
    Abstract: The present invention relates to a water-soluble aluminium and aluminium alloys hot rolling composition comprising a base stock oil and, based on the total weight of the composition, from 1 to 80% by weight of a combination of: a monoester of a fatty acid with a polyol and a tetraester of a fatty acid with pentaerythritol; the weight monoester:tetraester ratio of said combination ranging from 1:20 to 10:1. The invention also relates to an oil-in-water emulsion, to a hot rolling process and to the use of the oil-in-water emulsion in a hot rolling process.
    Type: Grant
    Filed: February 7, 2001
    Date of Patent: January 18, 2005
    Assignee: Mobil Oil Francaise
    Inventors: Francis Prince, Jean-Yves Henri Claire
  • Patent number: 6815402
    Abstract: A lubricating oil composition which comprises at least one compound selected from specific cyclic organic phosphorus compounds is disclosed. The lubricating oil composition exhibits excellent extreme pressure property, seizure resistance and wear resistance and is advantageously used as bearing oil, gear oil, hydraulic oil and refrigerator oil.
    Type: Grant
    Filed: June 27, 2002
    Date of Patent: November 9, 2004
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Toshinori Tazaki, Hideto Kamimura, Shuichi Sakanoue
  • Patent number: 6806242
    Abstract: A low-friction sliding mechanism of the present invention comprises first and second sliding members slidable relative to each other at sliding surfaces thereof and a lubricant being applied to the sliding surfaces of the first and second sliding members. The first and second members are made of a diamond-like carbon material and an iron-based material, respectively, and the lubricant comprises a base oil and at least one of an ashless fatty-ester friction modifier and an ashless aliphatic-amine friction modifier.
    Type: Grant
    Filed: January 31, 2003
    Date of Patent: October 19, 2004
    Assignees: Nissan Motor Co., Ltd., Nippon Oil Corporation
    Inventors: Shinichi Shirahama, Shozaburo Konishi, Makoto Kano, Yoshiteru Yasuda, Tokio Sakane
  • Patent number: 6803350
    Abstract: A certain combination of an oil-soluble fatty acid ester of a polyhydric alcohol and an oil-soluble fatty acid amide act as appropriate friction-modifying agents, which when added to a lubricating oil, exhibit good brake anti-chatter characteristics.
    Type: Grant
    Filed: May 22, 2002
    Date of Patent: October 12, 2004
    Assignees: Chevron Oronite Company LLC, Chevron Oronite S.A.
    Inventors: Karine Lantuejoul, Kenneth L. McLeod, Paul F. Vartanian
  • Publication number: 20040176261
    Abstract: A lubricant composition is provided, wherein a base oil of the lubricant is a single ester having a chemical structure of (chemical formula 15) where an integer n is any of 7, 8 or 9, wherein at least one antioxidant of hindered phenol-based antioxidants, including at least one (3,5-di-tert-butyl-4-hydroxyphenyl), and hindered amine based antioxidants is included, wherein a triglyceride represented by the structure of (chemical formula 16) where R1, R2 and R3 are unsaturated or saturated straight chain structures or branched structures formed of CxHyOz is included and wherein the viscosity characteristics are no greater than 48 mPa·s at 40° C.
    Type: Application
    Filed: November 14, 2003
    Publication date: September 9, 2004
    Inventors: Fumiyo Tojou, Kaoru Matsuoka
  • Publication number: 20040029749
    Abstract: Furthermore, the tribological aspect is also improved since the friction coefficient goes from 0.08 with the steel coated with formulation I to 0.06 with the steel coated with formulation II.
    Type: Application
    Filed: November 15, 2002
    Publication date: February 12, 2004
    Inventors: Philippe Legros, Jean-Luc Olive, Agnes Marchand
  • Publication number: 20030220208
    Abstract: A certain combination of an oil-soluble fatty acid ester of a polyhydric alcohol and an oil-soluble fatty acid amide act as appropriate friction-modifying agents, which when added to a lubricating oil, exhibit good brake anti-chatter characteristics.
    Type: Application
    Filed: May 22, 2002
    Publication date: November 27, 2003
    Inventors: Karine Lantuejoul, Kenneth L. McLeod, Paul F. Vartanian
  • Publication number: 20030158049
    Abstract: The present invention relates to a water-soluble aluminium and aluminium alloys hot rolling composition comprising a base stock oil and, based on the total weight of the composition, from 1 to 80% by weight of a combination of: a monoester of a fatty acid with a polyol and a tetraester of a fatty acid with pentaerythritol; the weight monoester:tetraester ratio of said combination ranging from 1:20 to 10:1. The invention also relates to an oil-in-water emulsion, to a hot rolling process and to the use of the oil-in-water emulsion in a hot rolling process.
    Type: Application
    Filed: November 15, 2002
    Publication date: August 21, 2003
    Inventors: Francis Prince, Jean-Yves Henri Claire
  • Patent number: 6444627
    Abstract: A lubricant composition comprises (a) an optionally esterified or etherified reaction product of (i) an alcohol comprising up to 6 hydroxy groups and no heteroatom other than oxygen and (ii) one or more alkylene oxides; and (b) a reaction product of (i) ammonia or an alkanol amine and (ii) one or more alkylene oxides, wherein the average OH-functionality of the reaction products (a) and (b) is up to 4.5 and the total number of units derived from alkylene oxide in the reaction product (b) is up to about 12. The lubricant composition is particularly useful for treating fiber materials.
    Type: Grant
    Filed: March 13, 2001
    Date of Patent: September 3, 2002
    Assignee: Dow Global Technologies Inc.
    Inventors: Peter H. Berchtold, Irene Siegrist
  • Patent number: 6271185
    Abstract: Industrial oils containing partial esters of triacylglycerol and triethanolamine or ethoxylated triethanolamine are described, as well as methods for making such oils.
    Type: Grant
    Filed: October 29, 1999
    Date of Patent: August 7, 2001
    Assignee: Cargill, Incorporated
    Inventors: Dharma Kodali, Scott C. Nivens
  • Patent number: 6255262
    Abstract: A process for reproducibly forming a thermally and oxidatively stable high hydroxyl glycerol di-ester compound which is particularly useful as a lubricant. The glycerol di-ester compound is formed by reacting a glycidyl ester with an excess of a neo acid salt. The di-ester product is produced in a nearly quantitative conversion and is readily recoverable from the reaction mixture via a water wash, vacuum dry, and a mild wiped film evaporator treatment.
    Type: Grant
    Filed: November 9, 1998
    Date of Patent: July 3, 2001
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Michael J. Keenan, Martin A. Krevalis, David W. Turner
  • Patent number: 5885942
    Abstract: The multifunctional lubricant additive compositions of the invention preferably contain a methylene bis(dibutyldithiocarbamate) as an antiwear and extreme pressure additive, a 2,5-dimercapto-1,3,4-thiadiazole derivative as an antioxidant and antiwear additive, a tolutriazole compound as an antioxidant and corrosion inhibitor, a glycerol monooleate as a friction modifier, a calcium sulfonate as a detergent and extreme pressure additive, a zinc dialkyl dithiophosphate as an antiwear and antioxidant additive, a polymethylacrylate as a dispersant, a polyol ester as a carrier and friction modifier, a red dye for leak detection, and optionally, solvent neutral oil and a pour point depressant.
    Type: Grant
    Filed: September 23, 1997
    Date of Patent: March 23, 1999
    Assignee: NCH Corporation
    Inventors: Ruiming Zhang, Robert M. Hooks
  • Patent number: 5866520
    Abstract: A lubricant composition is disclosed that is suitable for direct fuel injected, crankcase-scavenged two-stroke cycle engines. That lubricant composition has a major amount of at least one oil of lubricating viscosity, a minor amount of a lubricity additive, a polyalkyl amide, an imidazoline, a polyisobutylene, and a functionalized polyisobutylene. The lubricity additive contains glycerol monooleate, an acid aliphatic aromatic amine-phosphate, and sodium sulfonate. The acid aliphatic aromatic amine-phosphate has a phosphorus/oxygen atom ratio of from 4.0:1 to 4.5:1, and at least 1.2 equivalents of acid to 1.0 equivalents of base.
    Type: Grant
    Filed: January 29, 1997
    Date of Patent: February 2, 1999
    Assignee: Chevron Chemical Company
    Inventors: Sumanth Addagarla, Glenn E. Callis
  • Patent number: 5858934
    Abstract: An enhanced biodegradable grease composition that is environmentally friendly, as well as several processes for preparing the grease composition is described which comprises(A) a base oil wherein the base oil is a natural oil or synthetic triglyceride of the formula ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 are aliphatic groups that contain from about 7 to about 23 carbon atoms;(B) at least one performance additive comprising(1) an alkyl phenol,(2) a benzotriazole, or(3) an aromatic amine; and(C) a thickener wherein the thickener (C) is a reaction product of (C1) a metal based material and (C2) a carboxylic acid or its ester.The enhanced biodegradable lubricating grease may also contain (D) a viscosity modifier, (E) a pour point depressant, or mixtures of (D) and (E).
    Type: Grant
    Filed: May 8, 1996
    Date of Patent: January 12, 1999
    Assignee: The Lubrizol Corporation
    Inventors: Gary W. Wiggins, Kasturi Lal
  • Patent number: 5851962
    Abstract: A lubricant composition for a wet clutch or a wet brake is disclosed, which comprises a base oil having added thereto an inorganic phosphorus compound which may contain sulfur atoms and/or oxygen atoms as its constituent elements, or an amine salt thereof, or having added thereto said inorganic phosphoric compound or an amine salt thereof, and an organic polyol compound having at least two hydroxyl groups in one molecule. The composition which exhibits excellent frictional properties in a wet clutch or a wet brake, in particular, provides a high .mu.d (dynamic friction coefficient) and a high .mu.s (static friction coefficient), shows good prevention of vibration in a lock-up clutch (which is imparted with good durability for preventing such vibration, has friction coefficients free from the temperature dependence, and is effective as a shock absorber oil, a power steering oil, a hydraulic suspension oil, etc.
    Type: Grant
    Filed: June 23, 1997
    Date of Patent: December 22, 1998
    Assignee: Ethyl Japan Corporation
    Inventor: Kuniaki Kaga
  • Patent number: 5721199
    Abstract: A substantially mineral oil-free aqueous composition useful either as is or to produce a dry lubricant film, the composition consisting essentially of water; a silicone oil, a vegetable oil or a mixture thereof; at least one waxy film-forming material selected from at least two of the following three groups: (a) saturated C.sub.10 -C.sub.24 aliphatic monohydric alcohols, (b) saturated C.sub.10 -C.sub.24 aliphatic monocarboxylic acids, and (c) saturated or monounsaturated C.sub.10 -C.sub.24 aliphatic primary amides; an extreme pressure agent; and an anionic surfactant; nonionic surfactant or mixture thereof capable of stably dispersing the oil and film-forming mixture in the water.
    Type: Grant
    Filed: August 20, 1996
    Date of Patent: February 24, 1998
    Assignee: Next Step Technologies, LLC.
    Inventor: David Louis Moses
  • Patent number: 5641734
    Abstract: A lubricant composition is described which is useful as a chain bar lubricant for chain saws. The composition comprises(A) at least one triglyceride wherein the ratio of the oleic acid moiety:linoleic acid moiety is from about 2 up to about 90,(B) at least one viscosity modifying additive, and(C) at least one tackifier.Optionally, the composition may also contain(D) at least one pour point depressant and(E) at least one antiwear agent.
    Type: Grant
    Filed: July 20, 1995
    Date of Patent: June 24, 1997
    Assignee: The Lubrizol Corporation
    Inventor: Paul C. Naegely
  • Patent number: 5549836
    Abstract: A substantially mineral oil-free aqueous composition useful to produce a dry lubricant film comprising water; a silicone oil, a vegetable oil or a mixture thereof; at least one waxy film-forming material selected from at least two of the following three groups: (a) saturated C.sub.10 -C.sub.24 aliphatic monohydric alcohols, (b) saturated C.sub.10 -C.sub.24 aliphatic monocarboxylic acids, and (c) saturated or monounsaturated C.sub.10 -C.sub.24 aliphatic primary amides; and an anionic surfactant; nonionic surfactant or mixture thereof capable of stably dispersing the oil and film-forming mixture in the water.
    Type: Grant
    Filed: June 27, 1995
    Date of Patent: August 27, 1996
    Inventor: David L. Moses
  • Patent number: 5538654
    Abstract: A food grade lubricant composition is described which is useful as hydraulic oil, gear oil, and compressor oil for equipment in the food service industry. This composition comprises (A) major amount of a genetically modified vegetable oil and (B) a minor amount of a performance additive. In other embodiments the composition contains either (C) a phosphorus compound or (D) a non-genetically modified vegetable oil.
    Type: Grant
    Filed: December 2, 1994
    Date of Patent: July 23, 1996
    Assignee: The Lubrizol Corporation
    Inventors: Saurabh S. Lawate, Paul C. Naegely, Virginia A. Carrick