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...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Number | Title | Issue Date |
| 8071515 | Lubricating oil composition Provided is a lubricating oil composition comprising a base oil for a lubricating oil, (A) a fatty acid partial ester compound, 0.5 to 1.5% by mass of (B) (b1) an aliphatic amine compound and/or (b2) an acid amide compound, 0.01 to 0.1% by mass of (C) a specific ben... | 12/06/2011 |
| 7385880 | Grease composition for precision equipment and timepiece containing the same A grease composition for a precision instrument comprising a lithium soap grease or a urea grease, and an anti-wear agent, wherein the lithium soap grease and the urea grease are each a grease having no hydroxyl group in a molecule, and the anti-wear agent is contai... | 06/10/2008 |
| 7265080 | Rolling bearing, rolling bearing for fuel cell, compressor for fuel cell system and fuel cell system The rolling bearing of the invention to be incorporated in the compressor for fuel cell system comprises a fluorine-based grease containing a fluororesin and a fluorine-based oil, a urea grease containing a urea compound and a synthetic oil or a lithium complex grea... | 09/04/2007 |
| 7214648 | Lubricant and additive formulation An engine lubricant formulated as a complete crankcase motor oil or additive concentrate composed of a combination of chemical constituents including a base oil selected from a synthetic oil, a mineral oil or semi-synthetic base oil (hydrogenated oil) or combination... | 05/08/2007 |
| 7053026 | Base oil blends for conveyor chain lubricating compositions A conveyor chain oil for use at elevated temperatures is described comprising a blend of a polyol ester, a poly(isobutylene), and a mineral oil. The blend has low volatility compared to the volatility of its individual components, suffers little change in viscosity ... | 05/30/2006 |
| 7048875 | High oleic acid oil compositions and methods of making and electrical insulation fluids and devices comprising the same High oleic acid triglyceride compositions that comprise fatty acid components of at least 75% oleic acid, less than 10% diunsaturated fatty acid component; less than 3% triunsaturated fatty acid component; and less than 8% saturated fatty acid component; and having ... | 05/23/2006 |
| 7018959 | Water-based metal working fluid A water-based, recyclable metalworking fluid comprises a polyalkylene glycol, an alkanolamine, a polyglycol surfactant, a polyol surfactant, a biocide and a corrosion inhibitor. The biocide may comprise a mixture of biocidal compounds effective against bacterial and... | 03/28/2006 |
| 6952324 | Hydrodynamic fluid bearing containing lubricants with reduced temperature sensitivity for disk drive application A disc drive storage system including a housing having a central axis, a stationary member that is fixed with respect to the housing and coaxial with the central axis, and a rotatable member that is rotatable about the central axis with respect to the stationary mem... | 10/04/2005 |
| 6919300 | Penetrating lubricant composition A protective lubricating composition is provided which will penetrate readily to closely fitting frictional parts and form a protective non-migrating lubricating film improving lubrication between the moving parts reducing friction and wear and preventing corrosion.... | 07/19/2005 |
| 6875730 | Lubricant for refrigerating machine employing ammonia refrigerant A lubricant for a refrigerator using ammonia as the refrigerant, which contains an additive selected from antioxidant, anti-wear additive and metal deactivator, and the polyether compound represented by the following general formula (1) or (2): X{—O—(A... | 04/05/2005 |
| 6858567 | Lubricating oil composition and watch using the same The first lubricating oil composition of the invention comprises a polyol ester (A) as a base oil, a specific amount of a viscosity index improver (B) and a specific amount of an anti-wear agent (C), and the second lubricating oil composition of the invention compri... | 02/22/2005 |
| 6800595 | Grease composition with improved rust prevention and abrasion resistance properties A grease composition having a base oil and a thickener, which grease additionally has from 0.05% to 30% by weight of sodium thiosulphate and at least 0.1% by weight of one or more additives selected from the group of: calcium salicylate, magnesium salicylate, calciu... | 10/05/2004 |
| 6774092 | Additive composition for gearbox oil Disclosed is an additive composition that can be mixed with various types of basic oils to produce a lubricant that can meet the international standards of manual truck gearbox oils. A preferred embodiment includes various quantities of an isobutylene sulfide, zinc ... | 08/10/2004 |
| 6669872 | Electrical insulating oil with reduced gassing tendency An electrical oil having reduced gassing tendency includes a major amount of a paraffinic or naphthenic basestock and a blend of certain hindered phenols, especially a blend of 2,6-di-t-butyl phenol and 2,6-di-t-butyl cresol. A further enhanced gassing te... | 12/30/2003 |
| 6649574 | Biodegradable non-toxic gear oil A biodegradable lubricating oil composition especially useful as a gear oil employs a synthetic alcohol ester basestock formed from mono- and dipentaerythritol with certain mono- and dicarboxylic acids or dicarboxylic acid anhydrides and an effective amou... | 11/18/2003 |
| 6558569 | Low viscosity functional fluids compositions Low viscosity functional fluid compositions particularly useful as brake fluids in anti-lock brake systems comprising a borate ester component, an alkoxy glycol component and an additive package which includes a corrosion inhibitor.... | 05/06/2003 |
| 6548457 | Lubricant for refrigerating machine employing ammonia refrigerant The present invention provides a lubricant for a compression type refrigeration system using ammonia as a refrigerant, which comprises polyether compounds and aromatic amine compounds or phenothiazine compounds, and preferably further comprises alcohol co... | 04/15/2003 |
| 6436881 | High temperature lubricant composition Improved synthetic lubricants based on a 100% polyol ester composition suitable for use in high temperature static chain oil applications is provided. The lubricant includes a base stock based on a polyol ester that is the reaction product of a neopentyl ... | 08/20/2002 |
| 6315920 | Electrical insulating oil with reduced gassing tendency An electrical oil having reduced gassing tendency includes a major amount of a paraffinic or naphthenic basestock and a blend of certain hindered phenols, especially a blend of 2,6-di-t-butyl phenol and 2,6-di-t-butyl cresol. A further enhanced gassing te... | 11/13/2001 |
| 6214776 | High stress electrical oil An oil composition useful as a high stress electrical oil and especially as a transformer load tap changer oil is provided. The composition comprises a major amount of a paraffinic oil having a low viscosity of less than about 20 cSt @ 40° C. and an effe... | 04/10/2001 |
| 6191078 | Part-synthetic, aviation piston engine lubricant An aviation piston engine lubricant having no metal containing additive is provided. The lubricant contains (a) a base oil consisting essentially of a mixture of (i) at least about 50 wt % based on the total weight of the lubricant of one or more mineral oils ... | 02/20/2001 |
| 6121209 | Synergistic antioxidant systems The invention provides synergistic combinations of phosphorus acid-containing compounds with ashless antioxidants. These combinations dramatically improve the oxidation stability of lubricating compositions, particularly power transmission fluids such as ... | 09/19/2000 |
| 6083889 | High temperature, high efficiency electrical and transformer oil An oil composition useful as an electrical or transformer oil is provided. The composition comprises a major amount of a paraffinic oil having a Cleveland open cup flash point of more than about 200° C. and an effective amount of an additive system inclu... | 07/04/2000 |
| 6074992 | Functional fluid compositions Functional fluids comprising at least one compound selected from the group consisting of a glycol, a glycol ether, an ester, a hydrocarbon, and mixtures thereof and an effective amount of benzotriazole, a derivative thereof such as tolyltriazole or mixtur... | 06/13/2000 |
| 6048825 | Lubricant composition A lubricant composition suitable as a helicopter transmission lubricant comprises a synthetic base stock of viscosity in the range 5.0 to 10.0 cSt at 100° C., an antioxidant component, a neutral organic phosphate component, a dicarboxylic acid component,... | 04/11/2000 |
| 5955403 | Sulphur-free, PAO-base lubricants with excellent anti-wear properties and superior thermal/oxidation stability A sulfur free lubricating composition comprises a major portion of a synthetic base lubricating oil and a minor portion of a tri(alkyl phenyl) phosphate or di(alkylphenyl)phosphoric acid antiwear agent, an amine antioxidant a substituted succinamide rust ... | 09/21/1999 |
| 5681506 | Corrosion inhibiting lubricant composition A corrosion inhibiting lubricating composition comprises: (a) a synthetic ester base stock; (b) at least one aromatic amine antioxidant; (c) a neutral organic phosphate of the formula (R1 O)3 PO where R1 is a tolyl, phenyl, xylyl, a... | 10/28/1997 |
| 5681797 | Stable biodegradable lubricant compositions An oxidatively stable, biodegradable lubricant composition is disclosed which comprises (A) a hydrogenated polyisoprene prepared by polymerizing isoprene such that polyisoprene is obtained wherein there are from 4 to 1000 isoprene units and hydrogenating ... | 10/28/1997 |
| 5622922 | Method of solubilizing a benzotriazole with a thiadiazole A homogenous product is formed by heating at a temperature in the range of from 50° to 150° C. a mixture of a benzotriazole and a 2,5-dihydrocarbyldithio-1,3,4-thiadiazole.... | 04/22/1997 |
| 5531912 | Composition and process for lubricating metal before cold forming A stearate free solid lubricant for cold working of metals contains approximately equal amounts of an alkene-acrylate ionomer and an alkoxylated alcohol in which the alcohol moiety has from 18-60 carbon atoms and the alkoxylate block has about the same nu... | 07/02/1996 |
| 5453210 | Method of treating the products of combustion of landfill gas Disclosed is a method of extending lubricant life and engine life in a gas engine that utilizes landfill gas which comprises treating deleterious landfill gas components and combustion products of said landfill gas with a lubricant composition comprising ... | 09/26/1995 |
| 5451332 | Estolides of hydroxy-containing triglycerides that contain a performance additive A composition comprising; (A) at least one triglyceride estolide of the formula ##STR1## wherein R1 is an aliphatic group or an aliphatic group containing an ester moiety R2 COO-- with the proviso that at least one R1 is ... | 09/19/1995 |
| 5413725 | Pour point depressants for high monounsaturated vegetable oils and for high monounsaturated vegetable oils/biodegradable base and fluid mixtures An industrial lubricant composition is described that comprises (A) at least one vegetable or synthetic triglyceride oil of the formula ##STR1## wherein R1, R2 and R3 are aliphatic hydrocarbyl groups having at least 6... | 05/09/1995 |
| 5358652 | Inhibiting hydrolytic degradation of hydrolyzable oleaginous fluids Hydrolytic degradation of oleaginous fluids susceptible to hydrolytic degradation in the presence of moisture and the development of acidity in adventitious water are inhibited by including in the oleaginous fluids at least one oil-soluble compound contai... | 10/25/1994 |
| 5338471 | Pour point depressants for industrial lubricants containing mixtures of fatty acid esters and vegetable oils This invention relates to a composition containing the combination of: (A) at least one vegetable or synthetic triglyceride, (B) esters from the transesterification of at least one animal or vegetable oil triglyceride, (C) a pour point depressant, and (D) a perform... | 08/16/1994 |
| 5223127 | Hydrogen sulfide scavengers in fuels, hydrocarbons and water using amidines and polyamidines A method for scavenging hydrogen sulfide in an aqueous and/or hydrocarbon medium is disclosed. According to the method, the medium is contacted with an effective amount of an amidine selected from the group consisting of monoamidines of from 1 to about 18... | 06/29/1993 |
| 5156759 | High temperature compressor oil A lubricating composition has been found which has particular utility in gas compressors. The composition comprises a polyalphaolefin base oil, an ester oil solubilizer, antioxidants and metal passivators. The composition replaces a mineral oil formulatio... | 10/20/1992 |
| 5152926 | Refrigerant lubricant compositions Antiwear additives for refrigerant lubricant compositions and refrigerant lubricant compositions containing said antiwear additives are disclosed for use in compression refrigeration applications.... | 10/06/1992 |
| 5143634 | Anti-wear engine and lubricating oil An engine and lubricating oil having superior anti-wear properties without necessitating use of phosphorus-containing anti-wear additives is provided which is particularly useful in automotive, industrial, and gear lubricants. The anti-wear engine and lub... | 09/01/1992 |
| 4941987 | Lubricating greases New lubricating greases, the oily component of which is perfluoropolyether or fluoropolyether derivative of formula R--O--Q--CFX--(Y)n --Z, having a number average molecular weight ranging from 1,500 to 10,000. wherein R is perfluoroalkyl radical R | 07/17/1990 |
