The Inorganic Compound Contains Phosphorus Or Silicon (e.g., Phosphorus Sulfide, Etc.) Patents (Class 508/161)
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Patent number: 7462582Abstract: A waterborne composition for forming protective coatings to provide, by a simple method comprising coating and drying onto a metal surface, a coating that is uniform with little unevenness and that has an excellent galling resistance and workability that are at least as good as the corresponding properties afforded by conversion treatment methodologies, contains water-soluble inorganic salt and smectite-type clay mineral. The lubrication performance of the coating can also be improved when said composition additionally contains a lubricating component.Type: GrantFiled: February 11, 2003Date of Patent: December 9, 2008Assignee: Henkel AG & Co. KGaAInventors: Shinobu Komiyama, Hidehiro Yamaguchi, Akihiro Seo
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Publication number: 20080300156Abstract: A lubricant for conveyor chains of bottled products, set for lubricating through direct application without dilution and in a discontinual way, in prolonged intervals, leaving a layer or film on the surface of the conveyor chain. The lubricant is composed of an homogeneous mixture of one or more fluids of silicon such as emulsified polydimethylsiloxane; one or more fatty acids such as the oleic acid; one or more amines such as the tensoactive product derived from an ethoxylated amine; one or more hydrocarbons such as the white mineral oils; one or more emulsifiers such as the sorbitan monooleate; and one or more polyglycols such as the polyalkylene-glycol, and alternatively a microbicide.Type: ApplicationFiled: November 10, 2006Publication date: December 4, 2008Applicant: Quimproductors, S.A.DE C.V.Inventors: Fabiola Morales Arriaga, Miguel Angel Arangua Morales, Samuel Serrano Salinas
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Patent number: 7338926Abstract: 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: February 18, 2004Date of Patent: March 4, 2008Assignee: Lee County Mosquito Control DistrictInventor: Richard Levy
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Patent number: 7304020Abstract: A metal treatment composition including Tin (II) Chloride and processed montmorillonite clay. The addition of Tin (II) Chloride to the composition provides Tin for forming a ceramic-metal layer on the surfaces of the friction pair. Tin (II) Chloride provides Chlorine ions for forming Chloric films for protecting juvenile surfaces which form in the friction zone. The clay is heated and pulverized to produce a powder comprising both particles having crystalline layer structure and salts and oxides. The layered crystalline structure of the clay contains slip planes that transversely shift when tangential pressure from the friction pair is applied thereby lubricating the friction pair. The salts and oxides contribute to the formation of the ceramic-metal layer.Type: GrantFiled: August 21, 2006Date of Patent: December 4, 2007Inventors: Dmitry Tananko, Olena Lyubchenko, Oleksandr Oliinik, Oleksandr Umanskiy, Svitlana Aksyonova
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Patent number: 6900163Abstract: A thermal interface material including a compound which has high thermal conductivity, is dry-to-the-touch, but naturally tacky, and may be formed into various shapes, such as sheets and blocks, to serve as a heat transfer material for electronic components. The compound includes a pre-blend of a polyol ester and an antioxidant, a boron nitride filler, a high viscosity oil, and either a solvent, a surfactant, and a polystyrene-based polymer, or aluminum silicate. A method for using the compound includes the steps of providing a heat generating electronic component with a first surface; providing a heat dissipating component with a second surface with which the first surface is to interface; and disposing the compound between the respective surfaces to effectuate efficient heat transfer therebetween. Further, a removable liner can be applied to an exposed surface of the compound.Type: GrantFiled: July 3, 2003Date of Patent: May 31, 2005Assignee: AOS Thermal CompoundsInventor: Prakash Khatri
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Patent number: 6818600Abstract: To provide a highly reliable heat-dissipating silicone grease composition having stable thermoconductive properties over a long period of time, which does not exude oil, and which does not lead to contact defects. The heat-dissipating silicone grease composition, comprising: (A) 100 weight parts of an organopolysiloxane having a thixotropicity degree &agr; of 1.03-1.50 and a viscosity at 25° C. of 100-1,000,000 mm2/s, and (B) 100-2,000 weight parts of a thermoconductive inorganic filler having an) average particle diameter of 0.1-100 micrometers.Type: GrantFiled: April 9, 2003Date of Patent: November 16, 2004Assignees: Shin-Etsu Chemical Co. Ltd., Denso CorporationInventors: Kunihiro Yamada, Osamu Uchida
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Publication number: 20040043908Abstract: A solid lubricant and composition useful for lubricating the flanges of locomotive wheels, railcar wheels, rail track and in applications where it is desirable to reduce friction when metal contacts metal. The solid lubricant having from about twenty-five percent to about seventy percent by volume of a polymeric carrier, about five to seventy-five percent by volume of organic and inorganic extreme pressure additives, about zero to twenty percent by volume synthetic extreme pressure anti-wear liquid oil, and about zero to one percent by volume optical brightener.Type: ApplicationFiled: September 3, 2003Publication date: March 4, 2004Inventor: Michael J. Mitrovich
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Publication number: 20040018945Abstract: A thermal interface material including a compound which has high thermal conductivity, is dry-to-the-touch, but naturally tacky, and may be formed into various shapes, such as sheets and blocks, to serve as a heat transfer material for electronic components. The compound includes a pre-blend of a polyol ester and an antioxidant, a boron nitride filler, a high viscosity oil, and either a solvent, a surfactant, and a polystyrene-based polymer, or aluminum silicate. A method for using the compound includes the steps of providing a heat generating electronic component with a first surface; providing a heat dissipating component with a second surface with which the first surface is to interface; and disposing the compound between the respective surfaces to effectuate efficient heat transfer therebetween. Further, a removable liner can be applied to an exposed surface of the compound.Type: ApplicationFiled: July 3, 2003Publication date: January 29, 2004Applicant: AOS Thermal CompoundsInventor: Prakash Khatri
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Patent number: 6649573Abstract: A solid lubricant and composition useful for lubricating the flanges of locomotive wheels, railcar wheels, rail track and in applications where it is desirable to reduce friction when metal contacts metal. The solid lubricant having from about twenty-five percent to about seventy percent by volume of a polymeric carrier, about five to seventy-five percent by volume of organic and inorganic extreme pressure additives, about zero to twenty percent by volume synthetic extreme pressure anti-wear liquid oil, and about zero to one percent by volume optical brightener.Type: GrantFiled: April 11, 2002Date of Patent: November 18, 2003Inventor: Michael J. Mitrovich
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Publication number: 20030191216Abstract: A viscous liquid vibration damping composition containing (A) 30-95 weight percent of a viscous liquid, and (B) 5-70 weight percent of at least two solid powders having different average particle diameters, where the difference between the respective average particle diameters of the two solid powders is at least 10 &mgr;m. These viscous liquid vibration damping compositions are superior in vibration damping properties, and possess a stable vibration damping characteristic that is not significantly affected by temperature changes.Type: ApplicationFiled: May 1, 2001Publication date: October 9, 2003Inventors: Mari Tateishi, Shoji Akamatsu
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Publication number: 20030176294Abstract: A new aqueous lubricant of one process type used for high efficient cold forging of metallic materials is disclosed. The aqueous lubricant produces less industrial waste than conventional process, requires simple processing steps and provides improved lubricative performance.Type: ApplicationFiled: May 14, 2003Publication date: September 18, 2003Inventors: Mamoru Yamamoto, Masayuki Yoshida, Yasuo Imai, Hidehiro Yamaguchi
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Patent number: 6610635Abstract: A thermal interface material including a compound which has high thermal conductivity, is dry-to-the-touch, but naturally tacky, and may be formed into various shapes, such as sheets and blocks, to serve as a heat transfer material for electronic components. The compound includes a pre-blend of a polyol ester and an antioxidant, a filler(s), a high viscosity oil, and either a solvent, a surfactant, and a polystyrene-based polymer, or aluminum silicate. A method for using the compound includes the steps of providing a heat generating electronic component with a first surface; providing a heat dissipating component with a second surface with which the first surface is to interface; and disposing the compound between the respective surfaces to effectuate efficient heat transfer therebetween. Further, the compound can be applied alone, e.g.Type: GrantFiled: September 14, 2001Date of Patent: August 26, 2003Assignee: AOS Thermal CompoundsInventor: Prakash Khatri
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Publication number: 20030130139Abstract: A waterborne composition for forming protective coatings to provide, by a simple method comprising coating and drying onto a metal surface, a coating that is uniform with little unevenness and that has an excellent galling resistance and workability that are at least as good as the corresponding properties afforded by conversion treatment methodologies, contains water-soluble inorganic salt and smectite-type clay mineral. The lubrication performance of the coating can also be improved when said composition additionally contains a lubricating component.Type: ApplicationFiled: February 11, 2003Publication date: July 10, 2003Inventors: Shinobu Komiyama, Hidehiro Yamaguchi, Akihiro Seo
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Patent number: 6579834Abstract: This invention provides a release agent for low speed casting, which does not pollute working environment, has a superior running property and lubricating property and further shows a superior cleanability of a die. An aqueous release agent for a low speed injection die casting comprises as main components an inorganic lubricant, spherical resin particles having an average particle size of 0.1-10 &mgr;m, an organic carboxylic acid metal salt and water.Type: GrantFiled: January 31, 2001Date of Patent: June 17, 2003Assignee: Nicca Chemical Co., Ltd.Inventors: Yasuyuki Maeda, Dai Masuda
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Publication number: 20030040442Abstract: The invention aims to provide a rolling bearing that secures a sufficient bearing life economically even when used under such conditions that water from the outside or water formed by moisture condensation may seep into the lubricant or the bearing is affected by the vibrations, and particularly a rolling bearing suited to the electric parts and accessaries of au automobile engine, such as an alternator. To accomplish the object, the hydrogen ion exponent pH of the grease sealed into the inside of the bearing is adjusted in a range of from 7 to 13. For the same purpose, the hydrogen ion exponent pH of the grease is adjusted in a range of from 5 to 13 where a prescribed amount of an organic metal salt or ADTC is added to the grease, where a prescribed amount of an inorganic compound having an average particle size of 2 □m or smaller is added to the grease, or where a diurea compound containing an aromatic amine or a mixture of the diurea compound is added to the grease as a thickener.Type: ApplicationFiled: March 7, 2002Publication date: February 27, 2003Applicant: NSK LTD.Inventors: Atsushi Yokouchi, Youichi Matsumoto, Kenichi Iso, Kouichi Hachiya, Hideki Koizumi, Michiharu Naka
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Patent number: 6475962Abstract: A heat sink material for use in electronic assemblies is disclosed. The heat sink material is a thermal grease that due its composition is dry to the touch and thus eliminates the problems associated with thermal greases in electronic assemblies.Type: GrantFiled: September 14, 2000Date of Patent: November 5, 2002Assignee: AOS Thermal Compounds, LLCInventor: Prakash Khatri
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Publication number: 20020151440Abstract: A solid lubricant and composition useful for lubricating the flanges of locomotive wheels, railcar wheels, rail track and in applications where it is desirable to reduce friction when metal contacts metal. The solid lubricant having from about twenty-five percent to about seventy percent by volume of a polymeric carrier, about five to seventy-five percent by volume of organic and inorganic extreme pressure additives, about zero to twenty percent by volume synthetic extreme pressure anti-wear liquid oil, and about zero to one percent by volume optical brightener.Type: ApplicationFiled: April 11, 2002Publication date: October 17, 2002Inventor: Michael J. Mitrovich
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Publication number: 20020147115Abstract: Disclosed are lubricant compositions comprising a dispersed hydrated alkali metal borate and a polyalkylene succinic anhydride, a mixture of polyalkylene succinic anhydrides or derivatives thereof. Also disclosed are methods for improving the water tolerance of a lubricant composition comprising an alkali metal borate. Such methods employ compositions comprising a dispersed hydrated alkali metal borate and a polyalkylene succinic anhydride, a mixture of polyalkylene succinic anhydrides or derivatives thereof.Type: ApplicationFiled: September 28, 2001Publication date: October 10, 2002Inventor: James J. Harrison
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Publication number: 20020137637Abstract: A high performance lubricant to extend the life of tooling to punch holes and shear metals especially thick steel members. The lubricant, due to its modified viscosity, remains on the tool during the process allowing it to provide the necessary coating to reduce the friction developed. Most punching processes mount the tool vertical and the work is held below the tool. Lubricant is applied to the tool prior to punching. A problem with lubricants presently used is the viscosity is so low the lubricant runs off the tool prior to the punching process rendering the lubricant ineffective. The thixotropic index of the lubricant is controlled by addition of fumed silica to provide the proper viscosity to keep the lubricant on the tool and then during the punching process the viscosity is reduced sufficiently by the shear energy applied between the tool and work to allow the lubricant to flow in the shear area thereby providing maximum lubrication between the tool and the work.Type: ApplicationFiled: January 11, 2002Publication date: September 26, 2002Inventor: Rudy Wojtecki
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Patent number: 6423669Abstract: The present invention relates to the lubricant grease compositions, in particular to the compositions for the treatment of friction pairs, and can be used in the machine building for the treatment of friction units, and also during the exploitation of different mechanisms and machines for prolongation of interrepair time or for damage control (repair-restore operations).Type: GrantFiled: March 2, 2001Date of Patent: July 23, 2002Inventors: Sergei Nikolaevich Alexandrov, Vladimir Valentinovich Buzov, Elmin Abbas-Ogli Gamidov, Vladimir Leonidovich Zozulya, Sergei Leonidovich Zozulya
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Publication number: 20020086801Abstract: A thermal interface material including a compound which has high thermal conductivity, is dry-to-the-touch, but naturally tacky, and may be formed into various shapes, such as sheets and blocks, to serve as a heat transfer material for electronic components. The compound includes a pre-blend of a polyol ester and an antioxidant, a filler(s), a high viscosity oil, and either a solvent, a surfactant, and a polystyrene-based polymer, or aluminum silicate. A method for using the compound includes the steps of providing a heat generating electronic component with a first surface; providing a heat dissipating component with a second surface with which the first surface is to interface; and disposing the compound between the respective surfaces to effectuate efficient heat transfer therebetween. Further, the compound can be applied alone, e.g.Type: ApplicationFiled: September 14, 2001Publication date: July 4, 2002Inventor: Prakash Khatri
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Patent number: 6383991Abstract: The present invention relates to a cutting oil comprising (a) a polyether compound represented by the formula (I): R1O(EO)m(AO)nR2 (I) wherein each of R1 and R2, which may be identical or different, is hydrogen atom or a hydrocarbon group having 1 to 24 carbon atoms, at least one of which is a hydrocarbon group; EO is oxyethylene group; AO is an oxyalkylene group having 3 or 4 carbon atoms; and each of m and n is 1 to 50, wherein a sum of m and n is from 4 to 100; a cutting oil composition comprising the above cutting oil and an abrasive; a cutting method using the above cutting oil composition; and a process of cleaning a wafer, comprising the steps of cleaning a wafer obtainable by cutting an ingot with a wire saw using the above cutting oil composition; heating the resulting waste water to a temperature equal to or higher than a cloud point of a polyether compound represented by the formula (I) contained in the waste water, to allow separation into an oil phase and an aqueous phase; and removiType: GrantFiled: November 27, 2000Date of Patent: May 7, 2002Assignee: Kao CorporationInventors: Jiro Hashimoto, Toshiya Hagihara, Kazuhiko Nishimoto
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Patent number: 6376433Abstract: A two- or a one-step process and composition which coats metal workpiece surfaces (aluminum, copper, steel, stainless steel, etc.) with a thin lubricant film capable of allowing the metal to be deformed at room temperature. The lubricant consists essentially of polymers, dispersants, high molecular weight waxes and insoluble metallic stearates. With some ferrous surfaces, a separate coating layer is simultaneously formed (in the one-step process) or pre-formed (in the two-step process) at the metal interface, acting as a base for the lubricant. The process, after pickling in a mineral acid to remove scale and oxides, comprises the step(s) of immersing the workpiece either once or twice. The workpiece is then dried in a heated, forced air dryer.Type: GrantFiled: July 13, 2000Date of Patent: April 23, 2002Assignee: Century Chemical CorporationInventor: Patrick J. Connor
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Publication number: 20020028751Abstract: A lubricant composition is provided. The lubricant composition includes a machinery lubricant and an antimicrobially effective amount of an antimicrobial agent. The antimicrobial agent exhibits a partition coefficient between water and the machinery lubricant of between about 0.01 and about 1,000, and the lubricant composition provides at least a two log reduction in bacteria in water in about two weeks or at least a two log reduction in mold and yeast in water in about one month from a concentration of bacteria of between 105 and 106 CFU/ml and a mold and yeast concentration of between about 105 and 106 CFU/ml. Methods for manufacturing and using a lubricant composition are provided. A method for manufacturing a lubricant composition is provided.Type: ApplicationFiled: August 23, 2001Publication date: March 7, 2002Applicant: Ecolab Inc.Inventors: Keith D. Lokkesmoe, Joel James Schilling, Robert D. P. Hei
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Publication number: 20020022580Abstract: A powdery mold-releasing lubricant according to the present invention uses a powdery mixture of a powdery organic material, which is evaporated or decomposed by heating to generate a gas, and a powdery inorganic material. A gas-solid mixed layer formed with the gas generated from the powdery mixture and the powdery inorganic material is used as a heat-insulating boundary layer. The powdery mold-releasing lubricant is inexpensive and has a superior mold lubricity.Type: ApplicationFiled: June 12, 2001Publication date: February 21, 2002Inventors: Hideharu Fukunaga, Makoto Yoshida, Takami Sawai
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Publication number: 20010044386Abstract: The invention includes a compositon of matter comprising a heavy oil having dispersed therein surface modified solid wherein said surface modified solids comprise solids having adsorbed thereon air oxidized polar hydrocarbons from said heavy oil and wherein said surface modified solids have a diameter of about 10 microns or less and a method for preparing the same.Type: ApplicationFiled: March 28, 2001Publication date: November 22, 2001Inventors: Ramesh Varadaraj, James Chi Sung
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Publication number: 20010031707Abstract: This invention provides a release agent for low speed casting, which does not pollute working environment, has a superior running property and lubricating property and further shows a superior cleanability of a die.Type: ApplicationFiled: January 31, 2001Publication date: October 18, 2001Applicant: NICCA CHEMICAL CO., LTD.Inventors: Yasuyuki Maeda, Dai Masuda
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Patent number: 6258759Abstract: A metal-working water or a metal-working composition which has excellent cooling and lubricating properties and does not exert a harmful influence on the environment. A metal-working water containing sodium ion and one or more kinds selected from the group consisting of fluoride ion, hydrogencarbonate ion and silicon and being adjusted to pH 6.0 to pH 10 can be used as a substitute for a conventional cutting oil. A metal-working composition including a metal-working water with such additive as a rust-preventive agent and being adjusted to pH 6.0 to pH 10 can also be used.Type: GrantFiled: April 19, 2000Date of Patent: July 10, 2001Inventors: Sadao Futahashi, Yasuo Fukutani, Yukio Wada, Eiichiro Nakayama
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Patent number: 6255257Abstract: A silicone grease composition having high thermal conductivity, comprising (A) 50 to 95 weight % of a mixture of an aluminum nitride powder &agr; having an average particle size of 0.5 to 5 &mgr;m and an aluminum nitride powder &bgr; having an average particle size of 6 to 20 &mgr;m, wherein the aluminum nitride powders &agr; and &bgr; are mixed so that the &agr;/(&agr;+&bgr;) ratio by weight is from 0.1 to 0.9 and the average particle size after mixing is from 1 to 10 &mgr;m, (B) 5 to 15 weight % of organopolysiloxanes having a viscosity of from 50 to 50,000 cs at 25° C. and represented by formula R1aSiO(4−a)/2, wherein R1 represents at least one group selected from saturated or unsaturated univalent hydrocarbon groups containing 1 to 18 carbon atoms and 1.8≦a≦2.2, and (C) 0 to 35 weight % of at least one inorganic compound powder having an average particle size of 0.5 to 100 &mgr;m selected from the group consisting of zinc oxide, alumina, boron nitride and silicon carbide powders.Type: GrantFiled: December 2, 1999Date of Patent: July 3, 2001Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Kunihiro Yamada, Takayuki Takahashi, Kenichi Isobe
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Patent number: 6231977Abstract: A wet friction material with small initial variations in friction coefficient, suppressing occurrence of heat spots, and with excellent heat resistance and friction resistance is provided. In the wet friction material including a fiber base material, a filler, a friction controller, and a resin binder, the resin binder is a phenolic resin modified with p-nonyl phenol.Type: GrantFiled: August 18, 1999Date of Patent: May 15, 2001Assignee: NSK-Warner, K. K.Inventors: Makoto Suzuki, Masahiro Mori
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Patent number: 6174841Abstract: A heat-reducing silicone grease composition comprising a mixture of (A) 50-95 weight % of aluminum nitride powder having an average particle size of 0.5-10 &mgr;m and containing no particles 100 &mgr;m or greater in size, (B) 5-50 weight % of liquid silicone having a viscosity of 50-500,000 cs at 25° C. and (C) 0-30 weight % of at least one powder selected from the group consisting of zinc oxide, alumina, boron nitride and silicon carbide powders; and a semiconductor device to which the foregoing silicone grease composition is applied.Type: GrantFiled: October 1, 1999Date of Patent: January 16, 2001Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Kunihiro Yamada, Kenichi Isobe, Takayuki Takahashi
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Patent number: 6028037Abstract: A composition useful as a filler for optical fiber cables comprises: a) from 75% to 95% and preferably from 85% to 95% by weight of a compound having a molecular weight of less than 3000 and the formula (I)R.sub.1 --[O--CH(R.sub.2)--CH(R.sub.3)].sub.n --O--Ar.sub.1 --C(R.sub.4)(R.sub.5)--Ar.sub.2 --O--[CH(R.sub.6)--CH(R.sub.7)--O].sub.m --R.sub.8 (I)in which R.sub.1 and R.sub.8 are identical or different and independently of one another represent a hydrogen atom, an alkyl radical of 1 to 6 carbon atoms or a benzyl radical, R.sub.2, R.sub.3, R.sub.6 and R.sub.7 are identical or different and independently of one another represent a hydrogen atom, a methyl radical or an ethyl radical, with the proviso that at least one of the radicals R.sub.2 and R.sub.3 and at least one of the radicals R.sub.6 and R.sub.7 represent a hydrogen atom, R.sub.4 and R.sub.Type: GrantFiled: December 2, 1998Date of Patent: February 22, 2000Assignee: Societe d'Exploitation de Produits Pour les Industries Chimiques SEPPICInventors: Francois Guy, Michel Barbarin, Jean-Claude Payan
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Patent number: 5840666Abstract: A grease composition comprising a base oil, a thickener selected from a metallic soap and a urea compound, and an inorganic filler having an average particle size of not greater than 2 .mu.m, and a rolling bearing having sealed therein a grease composition comprising a base oil, a urea thickener, and an inorganic filler having an average particle size of not greater than 2 .mu.m.Type: GrantFiled: December 20, 1996Date of Patent: November 24, 1998Assignee: NSK Ltd.Inventors: Atsushi Yokouchi, Hideki Koizumi, Kenichi Iso, Michiharu Naka
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Patent number: 5792727Abstract: Lubricant composition containing spherical particles of a ceramic material dispersed in a supporting vehicle. The composition is used as a lubricant, metalworking cooling fluid, drilling fluid or drilling mud.Type: GrantFiled: February 15, 1996Date of Patent: August 11, 1998Inventor: Norman Laurie Jacobs
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Patent number: 5776867Abstract: A composition for lubricating a metal workpiece prior to cold forming consists essentially of: an aqueous alkaline stearate compound present in an amount sufficient to impart metal lubrication between about 180.degree. F. and about 320.degree. F.; an aqueous alkaline palmitate compound present in an amount sufficient to impart metal lubrication below about 160.degree. F.; an aqueous metallic stearate compound present in an amount sufficient to impart metal lubrication between about 320.degree. F. and 440.degree. F.Type: GrantFiled: April 21, 1997Date of Patent: July 7, 1998Assignee: Century Chemical CorporationInventors: Gerald W. Przybylski, Patrick J. Connor, David W. Peters
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Patent number: 5763106Abstract: The present invention provides a ceramic based composite powder and a method for applying the composite powder using a H.V.O.F. gun to form a self-lubricating coating for metal parts. The composite powder and coating are comprised of a ceramic powder, a metal powder, and a solid lubricant powder.Type: GrantFiled: January 19, 1996Date of Patent: June 9, 1998Assignee: Hino Motors, Ltd.Inventors: Cheryl Renee Blanchard, Richard Allen Page
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Patent number: 5747428Abstract: A self-lubricating solid coating that contains three layers of lubricants is disclosed. The solid lubricant may be prepared from chromium silicide or chromium carbide; disulfide and diselenide of tungsten, molybdenum, niobium, or tantalum; and silver or gold. This material combination provides superior wear and friction reduction over the temperature range applied. In this invention, chromium silicide or chromium carbide is a hard lubricant with a low wear property to protect the substrate metal; disulfide or diselenide is a soft lubricant with a very low coefficient of friction; and silver or gold with their high thermal conductivity are effective in conducting heat especially at high sliding velocities. Both silver and gold have a low friction coefficient with high oxidative stability.Type: GrantFiled: March 10, 1997Date of Patent: May 5, 1998Inventor: Behrooz A. Khorramian
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Patent number: 5624888Abstract: A composition for lubricating a metal workpiece prior to cold forming consists essentially of: an aqueous alkaline stearate compound present in an amount sufficient to impart metal lubrication between about 180.degree. F. and about 320.degree. F.; an aqueous alkaline palmitate compound present in an amount sufficient to impart metal lubrication below about 160.degree. F.; an aqueous metallic stearate compound present in an amount sufficient to impart metal lubrication between about 320.degree. F. and 440.degree. F.Type: GrantFiled: September 6, 1995Date of Patent: April 29, 1997Assignee: Century Chemical CorporationInventors: Gerald W. Przybylski, Patrick J. Connor, David W. Peters
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Patent number: 5580845Abstract: A lubricant suitable for use in an industrial forming process, especially cold pilgering, comprises a polyglycol as base fluid, a water-soluble inorganic filler and an organic filler.Type: GrantFiled: May 11, 1995Date of Patent: December 3, 1996Assignee: Castrol LimitedInventor: Patrick J. Ruane
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Patent number: 5576272Abstract: A grease composition for construction equipment comprises a lubricating grease, a) 1 to 5% by weight of phosphate glass and b) 1 to 5% by weight of a sulfur-phosphorus extreme-pressure additive; as well as c) 0.5 to 3% by weight of an aromatic sulfonic acid salt and d) 0.1 to 3% by weight of a triazole compound as optional components based on the total weight of the grease composition. The grease composition exhibits considerably high resistance to load and accordingly, can be applied to construction equipment which require high resistance to load, such as a hydrauric excavator and a wheel loader.Type: GrantFiled: March 19, 1996Date of Patent: November 19, 1996Assignees: Komatsu Ltd., Kyodo Yushi Co., Ltd.Inventors: Satoshi Okawa, Akimi Kimura, Hiroshi Kimura
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Patent number: 5534170Abstract: A phosphorous- and sulfur-containing additive and its use to impart anti-wear properties to oleaginous compositions such as fuels and lubricating oils, particularly power transmission compositions, such as automatic transmission fluids, is disclosed. The additive comprises a mixture of products formed, for example, by simultaneously reacting (1) a beta-hydroxy thioether, such as thiobisethanol, (2) a phosphorous-containing reactant, such as triethyl phosphite and (3) optionally, a nucleophilic reactant capable of reacting with the ion ##STR1## to form thioether species. The resulting one or two phase reaction products are supplemented with inorganic phosphorous acids and/or anhydrides to increase the products' total acid number and correspondingly adjust the products' antiwear properties.Type: GrantFiled: May 18, 1995Date of Patent: July 9, 1996Assignee: Exxon Chemical Patents Inc.Inventor: Raymond F. Watts