Benzene Ring Attached Directly Or Indirectly To The -c(=o)o- Groups By Nonionic Bonding Patents (Class 508/478)
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Patent number: 9550886Abstract: A stabilizer including a first component and a second component. The first component is a compound represented by the formula (1). The second component is a compound represented by the formula (2).Type: GrantFiled: January 28, 2014Date of Patent: January 24, 2017Assignee: DOUBLE BOND CHEMICAL IND., CO., LTD.Inventors: Chiung-Ta Chen, Chih-Wei Lin, Ming-Yang Chien, En-Ching Wang, Chien-Liang Liu
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Patent number: 9091187Abstract: An assembly clip for holding together a stationary hydraulic lash adjuster (SHLA) and a roller finger follower (RFF) in a valve train of an internal combustion engine (ICE) is provided. The SHLA has a pivot, and the RFF has a pivot cap configured to fit around the pivot. The assembly clip includes a first attachment section and a second attachment section configured to engage with the pivot cap and pivot, respectively, to attach the assembly clip to the RFF and SHLA, respectively. When assembled, the pivot and the pivot end are substantially located between the first attachment section and the second attachment section, the pivot cap covering at least a portion of the pivot. The assembly clip is made of an oil soluble material such that it may dissolve and break away after the valve train is assembled into the ICE, and the assembly clip no longer serves a function.Type: GrantFiled: February 4, 2013Date of Patent: July 28, 2015Assignee: GM Global Technology Operations LLCInventors: Glenn E. Clever, Charles K. Buehler
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Patent number: 8946134Abstract: 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: GrantFiled: February 24, 2010Date of Patent: February 3, 2015Assignee: NTN CorporationInventors: Hidenobu Mikami, Yosuke Taguchi, Takayuki Kawamura
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Patent number: 8754019Abstract: A pressure transmission medium contains an ester or an ether having two or more ring structures of an aromatic ring or a saturated naphthenic ring as a pressure transmission medium base oil. The pressure transmission medium that exhibits low energy loss due to compression, excellent response in a hydraulic circuit, energy-saving, high-speed operation and high precision of control in a hydraulic circuit, a low viscosity and a low churning resistance, and a hydraulic device can be provided.Type: GrantFiled: July 8, 2009Date of Patent: June 17, 2014Assignee: Idemitsu Kosan Co., Ltd.Inventors: Toshiyuki Tsubouchi, Yoshio Hironaka
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Patent number: 8329625Abstract: The present invention relates to an aqueous functional fluid comprising an antioxidant of the hindered phenol type and a water-soluble polyalkylene glycol. The aqueous functional fluids are especially suitable for use as hydraulic or metal working fluids. The present invention also relates to the use of the aqueous functional fluid for improving the performance properties of hydraulic or metal working fluids.Type: GrantFiled: May 3, 2010Date of Patent: December 11, 2012Assignee: Ciba Specialty Chemicals CorporationInventors: Peter Rohrbach, Samuel Evans, Stefan Laeuger
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Patent number: 8299004Abstract: A hydraulic fluid of the present invention contains, as a base oil, an ester having two or more ring structures, the two or more ring structures being at least one selected from an aromatic ring and a saturated naphthenic ring. Particularly, the hydraulic fluid contains an ester having two or more aromatic rings as the base oil. The hydraulic fluid has low energy loss due to compression and exhibits excellent responsiveness when being used in a hydraulic circuit. Consequently, the hydraulic fluid realizes energy-saving, high-speed operation and high precision of control in the hydraulic circuit.Type: GrantFiled: April 21, 2008Date of Patent: October 30, 2012Assignee: Idemitsu Kosan Co., Ltd.Inventor: Toshiyuki Tsubouchi
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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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Patent number: 7964542Abstract: Liquid compositions containing a specific hindered phenol or a hindered phenol in combination with an aromatic phosphite are provided which are used as a thermal interface between a heatsink and a chip during a test procedure for electronic components which compositions enhance the thermal conductivity between the heatsink and the chip, are easily removed from the heatsink and the chip after the test procedure without any deleterious residue and which allow the use of high temperatures for extended periods during the test procedure without any significant degradation of the composition. A method for using the compositions in electronic component test procedures such as burn-in procedures is also provided.Type: GrantFiled: January 12, 2006Date of Patent: June 21, 2011Assignee: International Business Machines CorporationInventors: Krishna G. Sachdev, Harbans Singh Sachdev, legal representative, Mark S. Chace, Normand Cote, David L. Gardell, Jeffrey D. Gelorme, Sushumna Iruvanti, G. John Lawson, Tuknekah M. Noble
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Publication number: 20110105373Abstract: A pressure transmission medium contains an ester or an ether having two or more ring structures of an aromatic ring or a saturated naphthenic ring as a pressure transmission medium base oil. The pressure transmission medium that exhibits low energy loss due to compression, excellent response in a hydraulic circuit, energy-saving, high-speed operation and high precision of control in a hydraulic circuit, a low viscosity and a low churning resistance, and a hydraulic device can be provided.Type: ApplicationFiled: July 8, 2009Publication date: May 5, 2011Inventors: Toshiyuki Tsubouchi, Yoshio Hironaka
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Patent number: 7923420Abstract: A lubricating oil composition having a total base number of more than 15 mg KOH/g including oil of lubricating viscosity; detergent; and at least one compound of the formula (I) and/or formula (II): wherein Ar and Ar? represent substituted or unsubstituted aromatic moieties; L and L? are linking moieties; each Y is independently —ORI?or H(O(CR12)n)yX—, wherein X is (CR1?2)z, O or S; R1 and R1? are H, alkyl or aryl; R1? is alkyl or aryl; each Y? is independently Z(O(CR22)n?)y?X?—, wherein X? is (CR2?2)z?, O or S; R2 and R2? are H, alkyl or aryl; Z is H, acyl, alkyl or aryl; z and z? are 1 to 10; n is 0 to 10 when X is (CR1?2)z and 2 to 10 when X is O or S; n? is 0 to 10 when X? is (CR2?2)z?, and 2 to 10 when X? is O or S; y and y? are 1 to 30; a and a? are 0 to 3; and m and m? are 1 to 100, with the proviso that in compounds of formula (I), at least one Ar moiety bears at least one group Y and that in compounds of formula (II), at least one Ar? moiety bears at least one group Y? in wherein Z is not H.Type: GrantFiled: July 3, 2007Date of Patent: April 12, 2011Assignee: Infineum International LimitedInventors: James Christian Dodd, Frederick Wein Girshick, Michael Dennis Hoey, Jeremy Roger Spencer, Jacob Emert, Tushar kanti Bera
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Publication number: 20110030269Abstract: A lubricant composition is suitable for use in diesel engines and is resistant to degradation by oxidative by-products of biodiesel fuel. The composition includes (A) a base oil, (B) at least one diphenylamine antioxidant, and (C) at least one antioxidant. The antioxidant (C) is selected from the group consisting of a sulfur containing phenolic antioxidant, a phenyl-alpha-naphthylamine antioxidant, and combinations thereof. The lubricant composition is formed using a method. In the method, the (A) base oil has an initial oxidation value measured according to ASTM D 6186. In addition in the method, the lubricant composition includes up to about 6 wt % of the biodiesel fuel and has a final oxidation value measured according to ASTM D 6186 that is equal to or greater than the initial oxidation value of the (A) base oil.Type: ApplicationFiled: August 5, 2010Publication date: February 10, 2011Inventors: David Eliezer Chasan, Paul Fasano, Margaret Frances Egiziaco, Vineet Bajpai
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Patent number: 7790660Abstract: A polyalkylene glycol based lubricant composition that contains specified rust inhibitors and antioxidants has lowered operating temperature and is particularly suitable for use in worm drive gearboxes. The rust inhibitors consist of an N-acylo arcosine and an imidizole while the antioxidant consists of an alkylated diphenyl amine and a hindered phenol.Type: GrantFiled: January 28, 2005Date of Patent: September 7, 2010Assignee: ExxonMobil Research and Engineering CompanyInventors: James Thomas Carey, David K. Prendergast, Kevin J. Buzdygon
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Patent number: 7727944Abstract: Compositions of an ester-containing phenolic antioxidant seal-conditioning agent represented by the formula and a second seal-conditioning agent selected from sulfolanes, benzyl ester, lactones, nitriles, and other ester-containing phenolic anitoxidant seal-conditioning agents, serve to protect the integrity of elastomeric materials in contact with lubricants.Type: GrantFiled: August 9, 2005Date of Patent: June 1, 2010Assignee: The Lubrizol CorporationInventors: Edward J. Konzman, Richard M. Lange
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Publication number: 20100130394Abstract: A hydraulic fluid of the present invention contains, as a base oil, an ester having two or more ring structures, the two or more ring structures being at least one selected from an aromatic ring and a saturated naphthenic ring. Particularly, the hydraulic fluid contains an ester having two or more aromatic rings as the base oil. The hydraulic fluid has low energy loss due to compression and exhibits excellent responsiveness when being used in a hydraulic circuit. Consequently, the hydraulic fluid realizes energy-saving, high-speed operation and high precision of control in the hydraulic circuit.Type: ApplicationFiled: April 21, 2008Publication date: May 27, 2010Applicant: IDEMITSU KOSAN CO., LTDInventor: Toshiyuki Tsubouchi
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Publication number: 20100099590Abstract: There is disclosed an oil-dispersible nanoparticle comprising metal-binding functional groups on its surface. Preferably, the nanoparticle is derived from substantially spherical polymer micelles of (A1-yCy)nBm diblocks or (A1-yCy)nBm(A1-yCy)n triblocks. A method for producing the nanoparticles is also described. The nanoparticles are particularly useful as lubricant additives.Type: ApplicationFiled: December 12, 2006Publication date: April 22, 2010Inventor: Guojun Liu
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Patent number: 7696136Abstract: Disclosed herein is a composition comprising: (A) a lubricant or a hydrocarbon fuel; (B) at least one hydroxy carboxylic acid ester or hydroxy polycarboxylic acid ester having the generic formula defined herein; and (C) at least one phosphorus-containing additive.Type: GrantFiled: November 1, 2004Date of Patent: April 13, 2010Assignee: Crompton CorporationInventors: Cyril A. Migdal, Robert G. Rowland
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Patent number: 7625849Abstract: Mixtures comprising amorphous phenolic stabilisers and at least one reducing agent.Type: GrantFiled: October 28, 2003Date of Patent: December 1, 2009Assignee: BASF AktiengesellschaftInventors: Hauke Malz, Thomas Flug, Sylvia Rybicki
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Publication number: 20090203559Abstract: A trunk piston or cross-head diesel engine having a centrifuge system including a sealing medium is lubricated with a lubricant which, for the cross-head engine, is a system lubricant and which contains 0.04 to 5 mass %, expressed as active ingredient, of a combination of one or more linked aromatic compounds and one or more nitrogen containing ashless disperants, in a mass:mass ratio in the range of 1:3 to 9:1.Type: ApplicationFiled: February 8, 2008Publication date: August 13, 2009Inventors: Tushar Kanti Bera, James Christian Dodd, Jacob Emert, Alvaro Rincon-Barbado, Jeremy Roger Spencer
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Publication number: 20090011966Abstract: A lubricating oil composition having a total base number of more than 15 mg KOH/g, as determined by ASTM D2896, and including at least 40 mass % of an oil of lubricating viscosity; at least one detergent; and at least one compound of the formula (I) and/or formula (II): In formula (I), each Ar independently represents an aromatic moiety having 0 to 3 substituents selected from the group consisting of alkyl, alkoxy, alkoxyalkyl, aryloxy, aryloxyalkyl, hydroxy, hydroxyalkyl, halo and combinations thereof; each L is independently a linking moiety comprising a carbon-carbon single bond or a linking group; each Y is independently —OR1? or a moiety of the formula H(O(CR12)n)yX—, wherein X is selected from the group consisting of (CR1?2)z, O and S; R1 and R1? are each independently selected from H, C1 to C6 alkyl and aryl; R1? is selected from C1 to C100 alkyl and aryl; z is 1 to 10; n is 0 to 10 when X is (CR1?2)z, and 2 to 10 when X is O or S; and y is 1 to 30; each a is independently 0 to 3, with the provisoType: ApplicationFiled: July 3, 2007Publication date: January 8, 2009Inventors: James Christian Dodd, Frederick Wein Girshick, Michael Dennis Hoey, Jeremy Roger Spencer, Jacob Emert, Tushar kanti Bera
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Publication number: 20080269382Abstract: The invention describes a process for stabilizing an organic material against oxidative, thermal or light-induced degradation, which comprises incorporating therein or applying thereto at least a compound of the formula (I) wherein the general symbols are as defined in claim 1. The compounds of the formula I are especially useful as processing stabilizers for synthetic polymers.Type: ApplicationFiled: August 22, 2005Publication date: October 30, 2008Inventors: Michele Gerster, Dietmar Mader, Bruno Rotzinger
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Patent number: 7399807Abstract: A fluorochemical additive is the reaction product under polymerization conditions of monomers that include: (a) an aromatic polycarboxylic acid as an anhydride, ester, or ester chloride; (b) at least one fluorinated reactant; and (c) at least one aliphatic amine, mercaptan, or alcohol. Optionally, a crosslinking agent can be used. The components of the additive all can be viewed as contributing to the performance of the disclosed additive. The fluorine-containing component is generally insoluble in molten polymers and will tend to migrate to the cooled surface thereof where the fluorinated moieties provide repellency characteristics when used in adequate quantities, generally at least about 30 wt % depending on the fluorinated reactant used to make the additive. The aromatic component appears to facilitate solubility and speed up the orientation process of the additive within the molten polymer.Type: GrantFiled: July 9, 2004Date of Patent: July 15, 2008Assignee: Unitex Chemical CorporationInventor: James F. Day
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Patent number: 6989356Abstract: To provide a lubricant for recording medium, which is advantageous not only in that it maintains excellent lubricity under various conditions for use and excellent lubricating effect over a long time, but also in that it can impart excellent transport properties and excellent abrasion resistance as well as excellent durability. For example, when C18H37—CH(CH2COOC10H6OH)COORf (wherein Rf represents a saturated or unsaturated partially-fluorinated-alkyl group) is used as a lubricant for magnetic recording medium, there can be obtained a magnetic recording medium having excellent transport properties and excellent abrasion resistance as well as excellent durability.Type: GrantFiled: April 8, 2003Date of Patent: January 24, 2006Assignee: Sony Corp.Inventors: Ken Kobayashi, Takahiro Kamei, Noriyuki Kishii, Kenichi Kurihara, Yutaka Iwamoto, Hisanori Tsuboi
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Publication number: 20040014615Abstract: This invention relates to a lubricating oil composition comprising a base stock and an antioxidant comprising an oil soluble trinuclear organomolybdenum compound of the generic formula: Mo3Sx-(Q) (I) wherein x is from 4 to 10 and Q is a core group, which may be a ligand, and at least one other compound selected from a phenolic and an aminic compound wherein the basestock has a kinematic viscosity at 100° C. (KV100) from about 2 cSt to 20 cSt (2×10−6 to 20×10−6 m2/sec) and a saturates content of at least 85%. The composition has a high oxidation stability, reduced deposit formation and is capable of giving rise to good fuel economy improvement.Type: ApplicationFiled: November 12, 2002Publication date: January 22, 2004Inventors: Jason Zhisheng Gao, Christopher John May, Jeffery Robert Torkelson, Paul Simon Woolley
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Publication number: 20030224953Abstract: To provide a lubricant for recording medium, which is advantageous not only in that it maintains excellent lubricity under various conditions for use and excellent lubricating effect over a long time, but also in that it can impart excellent transport properties and excellent abrasion resistance as well as excellent durability. For example, when C18H37—CH(CH2COOC10H6OH)COORf (wherein Rf represents a saturated or unsaturated partially-fluorinated-alkyl group) is used as a lubricant for magnetic recording medium, there can be obtained a magnetic recording medium having excellent transport properties and excellent abrasion resistance as well as excellent durability.Type: ApplicationFiled: April 8, 2003Publication date: December 4, 2003Inventors: Ken Kobayashi, Takahiro Kamei, Noriyuki Kishii, Kenichi Kurihara, Yutaka Iwamoto, Hisanori Tsuboi
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Publication number: 20030109389Abstract: This invention describes a blend of three base stock fluids, a PAO, an alkylated aromatic and a aromatic ester that synergistically improve the solvency for industrial lubricant additives such as oxidation and rust inhibitors, extreme-pressure/antiwear agents, metal deactivators and the like. The blend also has excellent hydrolytic stability plus improved dispersancy and resistance to deposit formation without degrading demulsibility.Type: ApplicationFiled: November 12, 2002Publication date: June 12, 2003Inventor: Andrea Blandford Wardlow
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Publication number: 20030027731Abstract: A heat-resistant, high-speed, high-load rolling bearing for automotive accessories and electric part is provided which develops no abnormal flaking and is sufficiently long in life and superior in durability. It is a heat-resistant, high-speed, high-load rolling bearing in which is sealed a grease composition which comprises a base oil which is a mixture alkyldiphenyl ether oil and aromatic ester oil at the ratio (in weight) of 50:50 to 80:20, a diurea compound expressed by the following formula as a thickening agent, and 0.1 to 5 wt % of a passivating agent.Type: ApplicationFiled: June 28, 2002Publication date: February 6, 2003Inventors: Takayuki Kawamura, Hidenobu Mikami, Mitsunari Asao
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Publication number: 20020173433Abstract: Novel non-symmetric, partially fluorinated compositions and method of manufacture which are useful as lubricants or as additives to lubricant formulations involving the molecular structure:Type: ApplicationFiled: April 30, 2002Publication date: November 21, 2002Inventor: Richard P. Beatty
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Publication number: 20020128160Abstract: A marine engine lubricating oil composition for a slow or medium speed diesel engine comprises a major amount of an oil of lubricating viscosity that contains a minor amount of a fuel oil with a residual fuel content and, admixed therewith, a minor amount of at least one oil-soluble or oil-dispersible ashless organic compound having at least two adjacent, substitutable carbon atoms being either part of an aromatic moiety or being connected by a double bond, each carrying an O- or O- and N-containing functional group, both groups being derived from a carboxy group.Type: ApplicationFiled: October 11, 2001Publication date: September 12, 2002Inventors: Adrian Dunn, Alan Aries, Neil E. Briffett
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Patent number: 6413918Abstract: Novel non-symmetric, partially fluorinated compositions and method of manufacture which are useful as lubricants or as additives to lubricant formulations involving the molecular structure: R1F—F′—R2—F″—R3h where R1f represents a wholly or partially fluorinated organic residue end group, F′ and F″ represent functional linkages which may be alike or different, R2 represents the backbone and R3h represents a non-fluorinated organic residue end group. Such compositions are produced by reacting a mixture of alcohols, mercaptans or amines containing at least one partially fluorinated compound and at least one non-fluorinated compound in the mixture, thus producing the R1f and the R3h residues, with a difunctional organic compound (e.g., diacid, dinitrile, disulfonyl halide, diisocyanate, diisothiocyanate, diphosphoryl halide or dithiophosphoryl halide).Type: GrantFiled: April 26, 1999Date of Patent: July 2, 2002Assignee: E. I. du Pont de Nemours and CompanyInventor: Richard P. Beatty
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Patent number: 5798319Abstract: A lubricant which is prepared from at least one synthetic ester composition exhibiting thermal and oxidative stability which comprises the reaction product of 3,5,5-trimethyl-1-hexanol and an acid or anhydride; and a lubricant additive package; whereby the incorporation of an antioxidant in the lubricant additive package for the purpose of maintaining oxidative and thermal stability of the crankcase lubricating oil formulation to at least 20 minutes as measured by HPDSC at 220.degree. C., 3.445 MPa air and 0.5 wt. % dioctyl diphenyl amine can be either reduced or eliminated. The synthetic ester composition preferably exhibits the following additional properties: a metals content of 10 ppm or less metals based on the total synthetic ester composition, an ash content of 15 ppm or less ash based on the total synthetic ester composition, a total acid number of 0.05 mg KOH/g or less, and a volume resistivity of at least about 1.times.10.sup.11 ohm cm.Type: GrantFiled: January 16, 1996Date of Patent: August 25, 1998Assignee: Exxon Chemical Patents Inc.Inventors: Richard Henry Schlosberg, David Wayne Turner, Martin Anthony Krevalis, William Joseph Munley, Jr., Haven Scott Aldrich
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Patent number: 5714441Abstract: An aviation turbine oil of reduced deposit forming tendencies and improved anti-oxidency is disclosed which comprises a major portion of a suitable aviation turbine oil base stock and a minor amount of a non-sulfur containing triazine derivation and a sulfur containing carboxylic acid.Type: GrantFiled: July 12, 1996Date of Patent: February 3, 1998Assignee: Exxon Research and Engineering CompanyInventor: Paul Joseph Berlowitz
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Fluorine-containing carboxylic acid amine salt and a magnetic recording medium with the same thereon
Patent number: 5604032Abstract: A fluorine-containing carboxylic acid amine salt of Formula A below: ##STR1## wherein R.sup.1 denotes an aliphatic alkyl group or an aliphatic alkenyl group with 6 to 30 carbons; R.sup.2 denotes a group selected from the group consisting of a fluoroalkyl group with 3 to 30 carbons, a fluoroalkenyl group with 3 to 30 carbons, a fluorophenyl group with 6 to 18 carbons, and a fluoroalkylether group with 5 to 50 carbons; R.sup.3 and R.sup.4 each denotes a saturated or unsaturated hydrocarbon chain with 1 to 20 carbons; R.sup.5 denotes either a fluoroalkyl group with 3 to 30 carbons or a fluoroalkenyl group with 3 to 30 carbons; n denotes 0 or 1; X denotes hydrogen or -(R.sup.6) -R.sup.7 ; and Y denotes hydrogen or -(R.sup.8) -R.sup.9, where R.sup.6 and R.sup.8 each denotes a saturated or unsaturated hydrocarbon chain with 1 to 20 carbons, and R.sup.7 and R.sup.9 each denotes a fluoroalkyl group with 3 to 30 carbons or a fluoroalkenyl group with 3 to 30 carbons.Type: GrantFiled: October 13, 1994Date of Patent: February 18, 1997Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Yoshiaki Kai, Yukikazu Ohchi