Nitrogen Containing Patents (Class 508/188)
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Patent number: 11820956Abstract: The present disclosure relates to a lubricating fluid for an electric motor system and a method of lubricating gears and cooling a motor in an electric motor system. In particular, the disclosed technology relates to a lubricating fluid, for use in electric motor vehicle, comprising an oil of lubricating viscosity and at least one phosphorylated dispersant exhibiting increased resistivity after aging.Type: GrantFiled: April 14, 2022Date of Patent: November 21, 2023Assignee: Afton Chemical CorporationInventors: Tsuneo Adachi, Lesley Schmid, Hideaki Mitsui, Christopher Cleveland, Atanu Adhvaryu
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Patent number: 11384310Abstract: The present invention relates to a lubricating oil composition to be used for internal combustion engines, the lubricating oil composition containing a base oil (A), an imide compound (B) that is at least one selected from a succinic acid monoimide (B1) represented by the general formula (b-1) and a succinic acid bisimide (B2) represented by the foregoing general formula (b-2), a metal-based detergent (C) that is at least one selected from a metal sulfonate (C1) having a branched alkyl group and a metal phenate (C2) having a branched alkyl group, and a zinc dithiophosphate (D), wherein the content of a phosphorus atom derived from the component (D) is less than 800 ppm by mass on the basis of the total amount of the lubricating oil composition; and a method for producing the same.Type: GrantFiled: May 28, 2019Date of Patent: July 12, 2022Assignee: IDEMITSU KOSAN CO., LTD.Inventors: Naoto Horita, Hiroshi Oki
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Patent number: 11332689Abstract: The present disclosure relates to a lubricating fluid for an electric motor system and a method of lubricating gears and cooling a motor in an electric motor system. In particular, the disclosed technology relates to a lubricating fluid, for use in electric motor vehicle, comprising an oil of lubricating viscosity and at least one phosphorylated dispersant exhibiting increased resistivity after aging.Type: GrantFiled: August 7, 2020Date of Patent: May 17, 2022Assignee: Afton Chemical CorporationInventors: Tsuneo Adachi, Lesley Schmid, Hideaki Mitsui, Christopher Cleveland, Atanu Adhvaryu
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Patent number: 9534167Abstract: Polyboronic compounds useful as delayed crosslinking agents may be produced by using a polyamine as base scaffold and incorporating boron via reaction with intermediate borates which may be formed in the condensation reaction between boric acid and a diol. A di-aldehyde, such as glyoxal, may be introduced following caustic treatment of the reaction mixture of polyaminoboronate to form the polyboronic compound.Type: GrantFiled: January 8, 2013Date of Patent: January 3, 2017Assignee: BAKER HUGHES INCORPORATEDInventors: Magnus Legemah, Hong Sun, Michael Guerin
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Patent number: 9469825Abstract: A transmission lubricant composition, a method of lubricating a machine part, and a transmission are provided that utilize select boronated and phosphorylated N-substituted polyisobutylene succinimide dispersants combined with metal containing detergents to achieve high friction durability and low wear rates for automatic transmissions.Type: GrantFiled: March 12, 2015Date of Patent: October 18, 2016Assignee: Afton Chemical CorporationInventor: Tom Hong-Zhi Tang
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Patent number: 9267092Abstract: A motorcycle having an engine and a clutch may be lubricated by supplying to the engine, but not to the clutch a lubricant of an oil of lubricating viscosity, an overbased detergent, a dispersant, a metal salt of a phosphorus acid, and a hydroxyalkyl-substituted imidazoline having a hydrocarbyl substituent of at least about 8 carbon atoms and a hydroxyalkyl substituent having 2 to 8 carbon atoms.Type: GrantFiled: April 25, 2012Date of Patent: February 23, 2016Assignee: The Lubrizol CorporationInventor: Mark F. Wilkes
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Patent number: 9006159Abstract: The invention provides a lubricating composition containing (a) 0.001 wt % to 15 wt % of a polymer with radial or star architecture; (b) an overbased detergent; (c) a dispersant; and (d) an oil of lubricating viscosity. The invention further provides a method for lubricating a mechanical device with the lubricating composition.Type: GrantFiled: July 25, 2012Date of Patent: April 14, 2015Assignee: The Lubrizol CorporationInventors: Barton J. Schober, Mark C. Davies, Michael R. Sutton, Marina Baum, Daniel C. Visger, David Price, Brent R. Dohner, Mark F. Wilkes
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Patent number: 8642519Abstract: The present invention provides a composition for a power transmitting fluid that has improved fuel economy, aeration, and cold temperature performance. Additionally, the composition maintains viscosity at higher temperatures that are in line with the viscometrics of current known automatic transmission fluids. The composition preferably comprises an additive and a base stock having a polyalphaolefin blend.Type: GrantFiled: July 20, 2009Date of Patent: February 4, 2014Assignee: GM Global Technology Operations LLCInventor: Roy Fewkes
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Patent number: 8546311Abstract: The present disclosure provides a fluid for lubricating the clutch-only portion of a wet clutch in a dual clutch transmission. The fluid provides high dynamic friction durability and comprises an oil of lubricating viscosity formulated with additive components comprising: i) at least one metal detergent; ii) at least one phosphorus-based wear preventative; iii) a phosphorylated and boronated dispersant different than the at least one phosphorus-based wear preventative; iv) a sulfurized extreme pressure agent; and a ratio between the content (ppm) of the sulfur based on the total weight of the fluid composition and a content (ppm) of phosphorus based on the total weight of the fluid composition ranging from about 2.0 to about 0.5 (ppm/ppm).Type: GrantFiled: March 10, 2009Date of Patent: October 1, 2013Assignees: Volkswagen Aktiengesellsschaft, Audi AGInventors: Joerg Fahl, Holger Gruenleitner, Mario Schenker, Ramnath N. Iyer
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Patent number: 8497232Abstract: A bis-type alkenyl-substituted succinimide which is prepared by reaction of succinic anhydride substituted with 2-alkenyl group having a branch structure in ?-position with alkylenepolyamine and its derivatives derived from the bis-type alkenyl-substituted succinimide by post-treatment are of value as friction modifiers, particularly for incorporation into lubricating oils for automatic transmissions.Type: GrantFiled: July 29, 2010Date of Patent: July 30, 2013Assignee: Chevron Japan LimitedInventors: Kedar Shanker Shrestha, Michio Shiga, Masami Fuchi, Takahiro Nakagawa
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Patent number: 8183187Abstract: The present invention provides a lubricating composition comprising (a) an oil of lubricating viscosity; (b) a friction modifier; (c) a corrosion inhibitor; (d) an antiwear agent; and (e) a product prepared by heating together: (i) a dispersant; (ii) 2,5-dimercapto-1,3,4-thiadiazole or a hydrocarbyl-substituted 2,5-dimercapto-1,3,4-thiadiazole, or oligomers thereof; (iii) a borating agent;and (iv) optionally a dicarboxylic acid of an aromatic compound selected from the group consisting of 1,3 diacids and 1,4 diacids, or (v) optionally a phosphorus acid compound, said heating being sufficient to provide a product of (i), (ii), (iii) and optionally (iv), which is soluble in an oil of lubricating viscosity. The invention further provides a use for the lubricating composition in a transmission.Type: GrantFiled: February 8, 2006Date of Patent: May 22, 2012Assignee: The Lubrizol CorporationInventors: James L. Sumiejski, Craig D. Tipton
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Publication number: 20100279901Abstract: An additive composition may comprise at least one phosphorus- and boron-containing dispersant, at least one boron-containing dispersant, and at least one detergent. Such composition may be useful in power transmissions to provide improved anti-shudder performance and/or improved friction durability.Type: ApplicationFiled: May 21, 2010Publication date: November 4, 2010Inventors: Ramnath N. Iyer, Samuel H. Tersigni
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Patent number: 7732385Abstract: Disclosed are lubricating oil additives obtained by dissolving or reacting (A) a metal salt of a specific phosphorus compound which is insoluble or less soluble in lubricating oils in or with (B) an amine compound so as to be solved in the lubricating oils; a lubricating oil composition containing such an additive; a method of producing the additive and composition.Type: GrantFiled: December 22, 2004Date of Patent: June 8, 2010Assignee: Nippon Oil CorporationInventor: Kazuhiro Yagishita
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Patent number: 7674754Abstract: A water-based metalworking fluid is comprised of a polymeric boron species which includes at least B, N and H, together with a surfactant operable to provide an emulsion of the boron species with water. The polymeric boron species may be a polyborane or a borazine polymer and may be configured as a polyborane or borazine polymer backbone having side chains pendent thereupon. The side chains may include silicon and/or phosphorous. The silicon may be in the form of a silane or a siloxane species, including polymeric species. Disclosed are specific compositions as well as methods for using the compositions and methods for making the compositions.Type: GrantFiled: November 29, 2006Date of Patent: March 9, 2010Assignee: Masco CorporationInventors: John Noble, Philip B. Simon, Ross Smith
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Publication number: 20090233823Abstract: The present disclosure provides a fluid for lubricating the clutch-only portion of a wet clutch in a dual clutch transmission. The fluid provides high dynamic friction durability and comprises an oil of lubricating viscosity formulated with additive components comprising: i) at least one metal detergent; ii) at least one phosphorus-based wear preventative; iii) a phosphorylated and boronated dispersant different than the at least one phosphorus-based wear preventative; iv) a sulfurized extreme pressure agent; and a ratio between the content (ppm) of the sulfur based on the total weight of the fluid composition and a content (ppm) of phosphorus based on the total weight of the fluid composition ranging from about 2.0 to about 0.5 (ppm/ppm).Type: ApplicationFiled: March 10, 2009Publication date: September 17, 2009Applicants: VOLKSWAGEN AKTIENGESELLSCHAFT, AUDI AGInventors: JOERG FAHL, HOLGER GRUENLEITNER, MARIO SCHENKER, RAMNATH N. IYER
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Patent number: 7125499Abstract: Liquid phase liquid crystal polymers (LCPs) are disclosed having a composition and structure that can be varied to provide desirable properties. The liquid phase LCPs have polyiminoborane, polyaminoborane, and/or borozine polymer backbone molecules, with silicon and/or phosphorous side chain molecules linked to the backbone that provide a degree of alignment assigned an Order Parameter (S), defined as S=? [3 cos2 ??1], where ? is the angle between the axis of an LCP molecule and the vertical direction. The inventive liquid phase LCPs have an average Order Parameter in the range of about 0.2 to about 0.99 and are applicable to a number of rinse, coolant, lubricant, sterilization and other protectant processes.Type: GrantFiled: August 12, 2002Date of Patent: October 24, 2006Assignee: LCP Tech Holdings, LLCInventors: Thomas David Ferguson, Rakesh Govind
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Patent number: 6797678Abstract: A lubricant additive obtained by heating an acidic phosphate ester and/or a phosphite ester (A) represented by the general formula (I): (wherein A represents H or OH, m is 0 or 1, when m is 0, A is OH, and when m is 1, A is H or OH, R1 and R2 each independently represent H, or a hydrocarbon group having 1 to 18 carbon atoms that may contain at least one O and S, both R1 and R2 are not simultaneously hydrogen atoms) and an imide-based dispersant containing boron (B) at a temperature of 120 to 150° C. for 5 hours or more, which can concurrently enhance excellent wear resistance, excellent scoring resistance and prolong surface fatigue life while keeping the balance of these properties at an optimum level.Type: GrantFiled: November 21, 2001Date of Patent: September 28, 2004Assignees: Idemitsu Kosan Co., Ltd., NSK Ltd.Inventors: Hitoshi Hata, Hiromichi Seiki, Hisashi Machida
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Patent number: 6525004Abstract: There are disclosed novel reaction products of a borated hydrocarbyl succinimide dispersant and a phosphorus compound selected from the group consisting of (i) zinc dialkyldithiophosphates and (ii) amine salts of acid phosphates which are highly effective combustion improver additives for use in two-cycle and small engine four-cycle lubricating oils.Type: GrantFiled: May 1, 2001Date of Patent: February 25, 2003Assignee: Infineum International Inc.Inventors: Rolfe J. Hartley, Salvatore Rea, William H. Stover
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Publication number: 20030027727Abstract: There are disclosed novel reaction products of a borated hydrocarbyl succinimide dispersant and phosphate or phosphite compounds which are highly effective combustion improver additives for use in two-cycle and small engine four-cycle lubricating oils.Type: ApplicationFiled: May 1, 2001Publication date: February 6, 2003Inventors: Rolfe J. Hartley, Salvatore Rea, William H. Stover
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Patent number: 6482778Abstract: Transmission fluid compositions comprising a zinc detergent and at least one phosphorus-containing additive have enhanced performance capabilities. The use of the zinc detergent and the phosphorus-containing additive provide transmission fluids that exhibit high steel-on-steel coefficients of friction, particularly useful in continuously variable transmissions (CVT).Type: GrantFiled: August 11, 1999Date of Patent: November 19, 2002Assignee: Ethyl CorporationInventors: Samuel H. Tersigni, Sanjay Srinivasan, David L. Strait
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Publication number: 20020151441Abstract: Automatic transmission fluids are described which contain at least 0.2 wt % of a metal-containing detergent, a dispersant, and a mixture of friction modifiers. The transmission fluids according to the present invention exhibit excellent initial anti shudder properties, excellent anti-shudder durability, and excellent friction durability.Type: ApplicationFiled: February 14, 2001Publication date: October 17, 2002Inventors: Sanjay Srinivasan, Ramnath N. Iyer, Nubar Ozbalik
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Patent number: 6444622Abstract: Mixtures of the reaction product of at least one C5-C60 carboxylic acid and at least one amine selected from the group consisting of guanidine, aminoguanidine, urea, thioruea and salts thereof and a phosphorus-containing dispersant are useful as gear oil additives. Lubricant formulations containing said mixtures exhibit excellent low and high temperature rheology and are particularly suited for use in automotive and industrial gear applications. Lubricants of the present invention exhibit improved performance properties such as increased axle efficiencies and lower axle temperatures compared to lubricant formulations that do not contain said mixtures.Type: GrantFiled: September 11, 2001Date of Patent: September 3, 2002Assignee: Ethyl CorporationInventor: Vasudevan Balasubramaniam
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Publication number: 20020055441Abstract: A lubricant additive obtained by heating an acidic phosphate ester and/or a phosphite ester (A) represented by the general formula (I): 1Type: ApplicationFiled: November 21, 2001Publication date: May 9, 2002Applicant: Idemitsu Kosan Co., Ltd.Inventors: Hitoshi Hata, Hiromichi Seiki, Hisashi Machida
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Patent number: 6352962Abstract: A lubricant additive obtained by heating an acidic phosphate ester and/or a phosphite ester (A) represented by the general formula (I): (wherein A represents H or OH, m is 0 or 1, when m is 0, A is OH, and when m is 1, A is H or OH, R1 and R2 each independently represent H, or a hydrocarbon group having 1 to 18 carbon atoms that may contain at least one O and S, both R1 and R2 are not simultaneously hydrogen atoms) and an imide-based dispersant containing boron (B) at a temperature of 120 to 150° C. for 5 hours or more, which can concurrently enhance excellent wear resistance, excellent scoring resistance and prolong surface fatigue life while keeping the balance of these properties at an optimum level.Type: GrantFiled: April 3, 2000Date of Patent: March 5, 2002Assignees: Idemitsu Kosan Co., Ltd., NSK Ltd.Inventors: Hitoshi Hata, Hiromichi Seiki, Hisashi Machida
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Publication number: 20010056042Abstract: A borate ester represented by one of the following formulae:Type: ApplicationFiled: May 7, 2001Publication date: December 27, 2001Inventors: James J. Schwind, S.Q. Abbas Rizvi, Stephen A. DiBiase
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Patent number: 5972851Abstract: Automatic transmission fluids are described which contain a dispersant having a nitrogen to phosphorus mass ratio between about 3:1 and about 10:1, and at least one friction modifier. The use of dispersants having a nitrogen to phosphorus mass ratio between about 3:1 and about 10:1 provides automatic transmission fluids which exhibit good anti-shudder properties as well as a higher mid-point torque, a higher static torque in shifting clutch applications and better frictional durability as compared to similar automatic transmission fluids which contain dispersants having a nitrogen to phosphorus mass ratio of less than 3:1.Type: GrantFiled: November 26, 1997Date of Patent: October 26, 1999Assignee: Ethyl CorporationInventors: Sanjay Srinivasan, David Warren Smith, John P. Sunne
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Patent number: 5891786Abstract: The fluids have an oil-soluble boron content of about 0.001 to about 0.1%, an oil-soluble phosphorus content of about 0.005 to about 0.2%, and either no metal additive content or an oil-soluble metal content as one or more metal-containing additives of no more than about 100 ppm. Included in the fluids are: (a) at least 70 wt % of hydrogenated poly-.alpha.-olefin oligomer fluid with a viscosity in the range of 2-6 cSt at 100.degree. C.; (b) 2-20 wt % of acrylic viscosity index improver; (c) 4-25 wt % of oil-soluble dialkyl ester of a C.sub.4 to C.sub.14 .alpha.,.omega.-dicarboxylic acid with a pour point of -45.degree. C. or lower; (d) ashless dispersant; (e) friction modifier; and (f) oil-soluble inhibitors. The components are such that the fluid has (i) a KV of at least 6.8 cSt at 100.degree. C., (ii) a BV of 15,000 cP or less at -40.degree. C., (iii) a KV at 100.degree. C. of at least 6.0 cSt after 4 hours and at least 5.0 cSt after 20 hours in the Volkswagen taper roller bearing shear stability test.Type: GrantFiled: January 12, 1995Date of Patent: April 6, 1999Assignee: Ethyl CorporationInventors: Sanjay Srinivasan, David W. Smith
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Patent number: 5817605Abstract: Oil-based functional fluid compositions formulated for use as automatic transmission fluid, fluid for a wet brake system, or a friction-depending lubricant are improved by including in the composition a minor amount of at least one alcohol or polyol having less than 12 carbon atoms in the molecule. This results in a desirable increase in the dynamic and/or static coefficients of friction of automatic transmission or other frictional surfaces contacted by the composition. Preferred for this use is a composition formed by heating at least one ashless dispersant containing basic nitrogen and/or at least one hydroxyl group with a combination of at least (i) an inorganic acid of phosphorus, (ii) a boron compound, and (iii) a polyol having less than 12 carbon atoms, so that a liquid composition is formed. The boron compound and the inorganic phosphorus acid are preferably co-present during the heating.Type: GrantFiled: June 3, 1991Date of Patent: October 6, 1998Assignee: Ethyl Petroleum Additives, Inc.Inventor: Andrew G. Papay
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Patent number: 5811377Abstract: An oil-soluble reaction product of phosphorus-, low molecular weight basic nitrogen-, and optional boron-containing compounds is provided. This reaction product can solubilize significantly more phosphorus and boron per weight of compound than other known compounds and is used as an antiwear, antioxidant, and extreme pressure additive in lubrication oils.Type: GrantFiled: February 3, 1997Date of Patent: September 22, 1998Assignee: Exxon Chemical Patents IncInventors: Raymond Frederick Watts, Michael Gerald Romanelli, Ricardo Alfredo Bloch, Maryann Devine, Jack Ryer
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Patent number: 5612295Abstract: Multifunctional additives having a variety of advantageous properties are described. They are formed by a process which comprises heating concurrently or in any sequence a) an oil-soluble ashless dispersant containing basic nitrogen with b) an alkoxylated alcohol of at least 8 carbon atoms c) a borating agent and optionally d) an inorganic oxyacid or anhydride of phosphorous. The reactants are in proportions on an active ingredient basis of about 0.03 to about 0.35 part by weight of b) per part by weight of a), and about 0.005 to about 0.06 part by weight of boron as c) per part by weight of a). The reaction temperature can range from about 50.degree. to about 150.degree. C. Water and/or solids present in the resultant mixture can be removed. Preferably, the optional phosphorous component is used in the formation of these additives. This phosphorous component can be an inorganic oxyacid or anhydride of phosphorous.Type: GrantFiled: March 27, 1996Date of Patent: March 18, 1997Assignee: Ethyl CorporationInventors: Donald R. Bell, Rolfe J. Hartley, Andrew G. Papay
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Patent number: 5578236Abstract: Power transmission fluids are described that have a Brookfield viscosity of 13,000 cP or less at -40.degree. C., a viscosity of at least 2.6 mPa.multidot.s at 150.degree. C. in the ASTM D-4683 method, and a viscosity of at least 6.8 cSt at 100.degree. C. after 40 cycles in the FISST of ASTM D-5275. This is achieved by use of particular base oil and additive components in specified proportions. Evaluations to date indicate that the compositions evaluated possess a combination of performance properties deemed necessary by an original equipment manufacturer for a new generation of electronically controlled automatic transmissions equipped with torque converter clutches capable of operating in a continuous slip mode.Type: GrantFiled: November 22, 1994Date of Patent: November 26, 1996Assignee: Ethyl CorporationInventors: Sanjay Srinivasan, David W. Smith
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Patent number: 5547596Abstract: A lubricant composition for LSD of a car is here disclosed which is obtained by adding a phosphate amine salt such as an amine salt of an oleyl acid phosphate and a borated ashless dispersant such as a reaction product of polybutenylsuccinimide and boric acid to a base oil, a ratio (N/P) of a nitrogen content (N) to a phosphorus content (P) being 0.5 or more, a ratio (N/B) of the nitrogen content (N) to a boron content (B) being 4 to 10. The lubricant composition of the present invention inhibits the generation of chattering during the operation of an LSD device, minimizes the friction on a metallic friction plate, and is excellent in oxidation stability.Type: GrantFiled: May 20, 1994Date of Patent: August 20, 1996Assignee: Idemitsu Kosan Co., Ltd.Inventor: Yasunori Omiya