Oxygen Bonded Directly To The Phosphorus (e.g., Orthophosphoric Acid, Phosphate Salts, Etc.) Patents (Class 508/162)
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Publication number: 20100056406Abstract: A metal glycol-based hydraulic fluid having vapor phase corrosion inhibition properties is disclosed. The hydraulic fluid can be used in food related applications.Type: ApplicationFiled: August 25, 2009Publication date: March 4, 2010Applicant: BASF CORPORATIONInventors: Sibtain Hamid, Leslie E. Schmidtke, JR.
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Patent number: 7651986Abstract: A finished lubricant having a kinematic viscosity at 40° C. between about 90 and 1700 cSt that passes the TORT B rust test, comprising a highly paraffinic base oil and a solubility improver having an aniline point less than 50° C. A finished lubricant that passes the TORT B rust test, comprising a Fischer-Tropsch wax, oligomerized olefins, or mixture thereof; and a solubility improver. A process for making a lubricant, comprising blending together: a) a mixture of amine phosphates, b) an alkenyl succinic compound, and c) a highly paraffinic lubricating base oil.Type: GrantFiled: October 23, 2008Date of Patent: January 26, 2010Assignee: Chevron U.S.A. Inc.Inventor: Mark E. Okazaki
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Publication number: 20090305919Abstract: The present invention relates to a lubricating composition containing a corrosion inhibitor compound and a mixture of two or more dispersants, wherein 0 mole % to less than 50 mole % of the second dispersant molecules contain a carbocyclic ring. The invention further provides a method for lubricating a mechanical device using the lubricating composition.Type: ApplicationFiled: July 25, 2007Publication date: December 10, 2009Applicant: The Lubrizol CorporationInventors: Craig D. Tipton, James L. Sumiejski, William D. Abraham
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Publication number: 20090305920Abstract: The present invention aims to offer a lubricating composition with excellent heat resistance, mechanical stability, water resistance, corrosion resistance, load resistance and flame resistance. To this end the present invention suggests that from 2 to 68% by weight of tricalcium phosphate relative to the total composition is added to a base oil, which may be a mineral oil and/or a synthetic oil. Surfactants are further added, and the whole is thoroughly mixed and kneaded to give a semi-solid lubricating composition. For the surfactants, non-ionic surfactants are most suitable, and fatty acid esters such as glycerine fatty acid esters, sorbitan fatty acid esters and sucrose fatty acid esters may be used. The amount used is from 0.2 to 18% by weight relative to the total composition.Type: ApplicationFiled: November 29, 2007Publication date: December 10, 2009Applicant: SHOWA SHELL SEKIYU K.K.Inventors: Tetsuya Kato, Koichi Numazawa, Takahiro Ozaki
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Patent number: 7612025Abstract: Low sulfur lubricating oil compositions are provided which are extremely excellent in anti-wear properties for the valve train system of an internal combustion engine and are also excellent in long-drain properties, and thus is suitable for used in an internal combustion engine. The lubricating oil compositions comprises a lubricating base oil, (A) a specific alkali metal or alkaline earth metal salicylate and/or an overbased or basic salt of the salicylate, (B) a phosphorus-containing anti-wear agent, (C) an ashless dispersant, and (D) an ashless anti-oxidant, as the essential components, and contains boron in an amount of 0.01 to 0.15 percent by mass and sulfur in a total amount of 0.3 percent by mass or less, based on the total mass of the composition.Type: GrantFiled: August 3, 2006Date of Patent: November 3, 2009Assignee: Nippon Oil CorporationInventors: Isao Kurihara, Kazuhiro Yagishita, Shouzaburou Konishi
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Publication number: 20090221457Abstract: A lubricating grease composition comprising (A) a base oil, (B) 5 to 10 wt. % of a urea compound, (C) 0.5 to 20 wt. % of at least one phosphorous compound selected from the group consisting of a phosphoric acid salt etc., and (D) 0.5 to 40 wt. % of a fatty acid metal salt. Aforementioned lubricating grease composition allows it to reduce the friction coefficient and prolong the endurance life significantly when it is applied onto surfaces of the sliding pair consisting of metal and plastic (especially glass-fiber-reinforced plastic) parts.Type: ApplicationFiled: April 27, 2007Publication date: September 3, 2009Inventor: Atsushi Ikezawa
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Publication number: 20090054280Abstract: This invention relates to compositions comprising (i) a base fluid stock comprising (a) a PTEEG fluid (a poly(trimethylene-ethylene ether)glycol that is a fluid at ambient temperature) and (b) an additive package comprising certain specified additive combinations, and lubrication oils containing the compositions.Type: ApplicationFiled: August 21, 2008Publication date: February 26, 2009Applicant: E.I. duPont de Nemours and CompanyInventors: Hari Babu Sunkara, Kanthi S. Wijesekera
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Publication number: 20080312113Abstract: Novel non-aqueous water soluble food grade lubricant compositions comprising: (a) About 5% to about 50% of a polyalkylene glycol comprised of an ethylene oxide/propylene oxide copolymer, or polymer of propylene oxide, having molecular weight greater than 1,500; and (b) About 50% to about 95% of a polyethylene glycol having molecular weight of from about 200 to about 600; wherein said lubricating compositions have viscosities of about 28 to about 100% at 40° C. The novel non-aqueous water soluble food grade lubricant compositions are particularly useful in food processing and packaging equipment applications where low viscosity food grade lubricants with low pour points are desired, and in applications where there is a need for equipment and spill cleanup. These food grade lubricant compositions are also environmentally friendly due to their water solubility, rapid biodegradability, and low aquatic toxicity.Type: ApplicationFiled: July 13, 2005Publication date: December 18, 2008Inventors: Daryl L. Beatty, Martin R. Greaves
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Publication number: 20080312111Abstract: A composition that includes solid lubricant nanoparticles and an organic medium is disclosed. Also disclosed are nanoparticles that include layered materials. A method of producing a nanoparticle by milling layered materials is provided. Also disclosed is a method of making a lubricant, the method including milling layered materials to form nanoparticles and incorporating the nanoparticles into a base to form a lubricant.Type: ApplicationFiled: January 12, 2007Publication date: December 18, 2008Inventors: Ajay P. Malshe, Arpana Verma
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Publication number: 20080300155Abstract: A gear oil additive composition and gear oil composition comprising a organic polysulfide having at least 30 wt % of a dialkyl polysulfide compound or mixture of dialkyl polysulfide compounds, a thiadiazole; and at least one ashless phosphorus-containing wear inhibitor compound is disclosed as having low yellow corrosion in axles and transmissions.Type: ApplicationFiled: August 7, 2008Publication date: December 4, 2008Inventor: Juan A. Buitrago
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Patent number: 7435708Abstract: The invention teaches the preparation of a concentrated sanitizing, cleaning and lubricating preparation. The preparation has a dual use for cleaning, sanitizing as well as lubricating beverage conveyors. The composition of the invention shows rapid microbicidal properties against representative gram positive and gram-negative bacteria. The invention uses GRAS, food additive ingredients and/or ingredients that are approved by the US FDA for use on food.Type: GrantFiled: December 22, 2004Date of Patent: October 14, 2008Inventor: John A. Lopes
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Patent number: 7429554Abstract: A phthalic acid such as terephthalic acid is made soluble in an oil of lubricating viscosity by first mixing it with at least one phosphorus compound. The resulting product is useful for reducing corrosion in a transmission lubricant.Type: GrantFiled: January 7, 2004Date of Patent: September 30, 2008Assignee: The Lubrizol CorporationInventors: Craig D. Tipton, Bill A. Waters
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Publication number: 20080234149Abstract: A method of making a nanoparticulate based lubricant is disclosed. The method includes providing solid lubricant material with particles having a size less than or equal to about 500 nanometers, and treating the particles to create composite nanoparticles. The composite nanoparticles includes the solid lubricant material and at least a second material.Type: ApplicationFiled: January 11, 2008Publication date: September 25, 2008Inventors: Ajay P. Malshe, Atanu Adhvaryu, Arpana Verma, Philip Hugh McCluskey
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Publication number: 20080214417Abstract: The present invention relates to an artificial synovial fluid composition that mimics the tribological properties of human, osteoarthritic synovial fluid (SF) for the main purpose of in vitro wear testing. There is described an artificial synovial fluid composition comprising: a) a mammalian serum having i) a total protein concentration of from about 10 to about 45 g/L; ii) an albumin fraction of from about 55% to about 80% w/w %; iii) an ?-1 globulin fraction of from about 3% to about 6% w/w %; iv) an ?-2 globulin fraction of from about 5% to about 10% w/w %; v) a ?-globulin fraction of from about 3% to about 20% w/w %; vi) a ?-globulin fraction of from about 5% to about 20% w/w %; vii) a calcium (Ca) concentration of from about 0.1 mmol/L to about 3 mmol/L; viii) a magnesium (Mg) concentration of from about 0.05 mmol/L to about 0.8 mmol/L; ix) an inorganic phosphate (P) concentration of from about 0.1 mmol/L to about 1.5 mmol/L; x) an iron (Fe) concentration of from about 0.001 mmol/L to about 0.Type: ApplicationFiled: February 7, 2008Publication date: September 4, 2008Applicant: University of WaterlooInventors: Jan-M Brandt, Kory D. Charron, Lin Zhao, John B. Medley, Steven J. MacDonald
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Publication number: 20080020951Abstract: A lubricating oil composition for a heavy duty diesel engine comprises a base oil, at least 0.6 mass % of an ash-free antioxidant and an overbased magnesium-containing detergent. The detergent provides greater than 0.05 mass % Mg based on the mass of the composition. Bore polishing in the engine is reduced for a given level of exhaust gas ash production.Type: ApplicationFiled: July 10, 2007Publication date: January 24, 2008Inventors: Robin Howard Scott, Robert William Shaw
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Patent number: 6855673Abstract: According to the invention there is provided a liquid friction control composition for use in low temperature conditions, which comprises a rheological control agent, a consistency modifier and a freezing point depressant. The liquid friction control composition may also comprise other components such as a retentivity agent, an antioxidant, a friction modifier, a lubricant, a wetting agent, and a preservative.Type: GrantFiled: November 8, 2002Date of Patent: February 15, 2005Assignee: Kelsan Technologies CorporationInventors: John Cotter, Don Eadie
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Publication number: 20040092407Abstract: According to the invention there is provided a liquid friction control composition for use in low temperature conditions, which comprises a rheological control agent, a consistency modifier and a freezing point depressant. The liquid friction control composition may also comprise other components such as a retentivity agent, an antioxidant, a friction modifier, a lubricant, a wetting agent, and a preservative.Type: ApplicationFiled: November 8, 2002Publication date: May 13, 2004Applicant: Kelsan Technologies CORP.Inventors: John Cotter, Don Eadie
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Patent number: 6734147Abstract: 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: October 3, 1997Date of Patent: May 11, 2004Assignee: LCC County Mosquito ControlInventor: Richard Levy
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Publication number: 20030162671Abstract: This invention relates to novel water soluble metal working fluid compositions, their use to work metal, a process for working metal using such compositions and the metal worked article of manufacture. More particularly, this invention relates to fluid compositions useful in cutting, grinding, shaping and other metal working operations which require a lubricant. The terms “first Group A” and “second Group B” are used herein to denote different groups and not to indicate any sequence of use or selection as any possible combination or sequence of use of a component(s) is envisioned without limit of any kind. The disclosed fluid compositions are also anticorrosive and environmentally more acceptable than current oil based fluids.Type: ApplicationFiled: February 24, 1999Publication date: August 28, 2003Inventors: DENNIS J. KALOTA, YUETING CHOU, TIMOTHY K. HIRZEL, DAVID C. SILVERMAN, JACOB S. TOU, WINSOR R. CHO
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Publication number: 20030012683Abstract: The present invention relates to a method for inhibiting high temperature of corrosion-prone metal surfaces by organic acid-containing petroleum streams by providing an effective corrosion-inhibiting amount of phosphorous acid, typically up to 1000 wppm, to the metal surface.Type: ApplicationFiled: July 13, 2001Publication date: January 16, 2003Inventors: Guido Sartori, David Craig Dalrymple, Saul Charles Blum, Liza Marie Monette, Mohsen S. Yeganeh, Andreas Vogel
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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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Patent number: 6251840Abstract: A lubricating/functional fluid composition which exhibits in use improved antiwear and antifoaming properties. The improvements result from use of 2,5-dimercapto-1,3,4-thiadiazole and derivatives thereof together with silicone and/or fluorosilicone antifoam agents.Type: GrantFiled: January 14, 1997Date of Patent: June 26, 2001Assignee: The Lubrizol CorporationInventors: William C. Ward, Jr., Craig D. Tipton, Kathleen A. Murray
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Patent number: 6121209Abstract: 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 automatic transmission fluids.Type: GrantFiled: June 4, 1997Date of Patent: September 19, 2000Assignee: Exxon Chemical Patents INCInventors: Raymond Frederick Watts, Ricardo Alfredo Bloch
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Patent number: 5997761Abstract: A refrigerating machine oil composition which comprises, in the form of a blend, a base oil comprising a mineral oil or a synthetic oil and at least one species of an amine salt of an organic phosphoric acid, e.g. monooctylamine dioleyl phosphate.Type: GrantFiled: October 28, 1998Date of Patent: December 7, 1999Assignee: Idemitsu Kosan Co., Ltd.Inventor: Masato Kaneko
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Patent number: 5900392Abstract: An aqueous belt lubricant composition comprising water and from 1.0 to 10 wt % of at least a fatty alkyl propylene tetramine, from 1.0 to 10 wt % of at least a fatty alcohol polygylcol ether, all percentages are based on the total weight of the aqueous belt lubricant composition, and at least one acid in an amount sufficient to establish a pH value between about 5.0 and about 7.0. The composition may further comprising one or more of alkoxylated fatty alkyl monoamines, alkoxylated fatty alkyl diamines and/or a solutizer.Type: GrantFiled: July 24, 1998Date of Patent: May 4, 1999Assignee: Loeffler Chemical CorporationInventor: Laut Bernhard
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Patent number: 5858929Abstract: A composition for use in lubricants and function fluids to provide improved anti-shudder and shudder durability properties to an automatic transmission. The composition comprises alkoxylated fatty amines as well as a mixture of other friction modifiers.Type: GrantFiled: December 21, 1995Date of Patent: January 12, 1999Assignee: The Lubrizol CorporationInventors: James L. Sumiejski, William C. Ward, Mitsuo Higashi, Craig D. Tipton
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Patent number: 5858266Abstract: A refrigerating machine oil composition which comprises, in the form of a blend, a base oil comprising a mineral oil or a synthetic oil and at least one species selected from the group consisting of a metallic salt of an inorganic phosphoric acid, e.g. potassium phosphate, an amine salt of an inorganic phosphoric acid, e.g. octylamine phosphate, a metallic salt of an organic phosphoric acid, e.g. dipotassium lauryl phosphate, an amine salt of an organic phosphoric acid, e.g. monooctylamine dioleyl phosphate, a metallic salt of an organic phosphonic acid, e.g. dipotassium oleyl phosphonate, an amine salt of an organic phosphonic acid, e.g. octylamine dilauryl phosphonate, a metallic salt of an organic phosphorous acid, e.g. sodium dioleyl phoshite, and an amine salt of an organic phosphorous acid, e.g. octylamene dioleyl phosphate.Type: GrantFiled: April 7, 1997Date of Patent: January 12, 1999Assignee: Idemitsu Kosan Co., Ltd.Inventor: Masato Kaneko
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Patent number: 5851962Abstract: 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: GrantFiled: June 23, 1997Date of Patent: December 22, 1998Assignee: Ethyl Japan CorporationInventor: Kuniaki Kaga
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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: 5624889Abstract: A lubricating grease composition includes a grease containing a base oil and a thickening agent consisting of a mixture of tricalcium phosphate represented by the formulaCa.sub.3 (PO.sub.4).sub.2and a urea compound and, incorporated as additives in the grease, (A) a sulfurized molybdenum dialkyldithiocarbamate represented by the formula ##STR1## wherein R.sup.1 and R.sup.Type: GrantFiled: November 30, 1995Date of Patent: April 29, 1997Assignee: Showa Shell Sekiyu K.K.Inventors: Takahiro Ozaki, Tomoo Munakata, Yasushi Kawamura, Kazunori Takase, Tetsuo Tsuchiya
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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