Nitrogen Containing Patents (Class 508/188)
  • Patent number: 11820956
    Abstract: 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: Grant
    Filed: April 14, 2022
    Date of Patent: November 21, 2023
    Assignee: Afton Chemical Corporation
    Inventors: Tsuneo Adachi, Lesley Schmid, Hideaki Mitsui, Christopher Cleveland, Atanu Adhvaryu
  • Patent number: 11384310
    Abstract: 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: Grant
    Filed: May 28, 2019
    Date of Patent: July 12, 2022
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Naoto Horita, Hiroshi Oki
  • Patent number: 11332689
    Abstract: 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: Grant
    Filed: August 7, 2020
    Date of Patent: May 17, 2022
    Assignee: Afton Chemical Corporation
    Inventors: Tsuneo Adachi, Lesley Schmid, Hideaki Mitsui, Christopher Cleveland, Atanu Adhvaryu
  • Patent number: 9534167
    Abstract: 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: Grant
    Filed: January 8, 2013
    Date of Patent: January 3, 2017
    Assignee: BAKER HUGHES INCORPORATED
    Inventors: Magnus Legemah, Hong Sun, Michael Guerin
  • Patent number: 9469825
    Abstract: 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: Grant
    Filed: March 12, 2015
    Date of Patent: October 18, 2016
    Assignee: Afton Chemical Corporation
    Inventor: Tom Hong-Zhi Tang
  • Patent number: 9267092
    Abstract: 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: Grant
    Filed: April 25, 2012
    Date of Patent: February 23, 2016
    Assignee: The Lubrizol Corporation
    Inventor: Mark F. Wilkes
  • Patent number: 9006159
    Abstract: 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: Grant
    Filed: July 25, 2012
    Date of Patent: April 14, 2015
    Assignee: The Lubrizol Corporation
    Inventors: Barton J. Schober, Mark C. Davies, Michael R. Sutton, Marina Baum, Daniel C. Visger, David Price, Brent R. Dohner, Mark F. Wilkes
  • Patent number: 8642519
    Abstract: 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: Grant
    Filed: July 20, 2009
    Date of Patent: February 4, 2014
    Assignee: GM Global Technology Operations LLC
    Inventor: Roy Fewkes
  • Patent number: 8546311
    Abstract: 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: Grant
    Filed: March 10, 2009
    Date of Patent: October 1, 2013
    Assignees: Volkswagen Aktiengesellsschaft, Audi AG
    Inventors: Joerg Fahl, Holger Gruenleitner, Mario Schenker, Ramnath N. Iyer
  • Patent number: 8497232
    Abstract: 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: Grant
    Filed: July 29, 2010
    Date of Patent: July 30, 2013
    Assignee: Chevron Japan Limited
    Inventors: Kedar Shanker Shrestha, Michio Shiga, Masami Fuchi, Takahiro Nakagawa
  • Patent number: 8183187
    Abstract: 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: Grant
    Filed: February 8, 2006
    Date of Patent: May 22, 2012
    Assignee: The Lubrizol Corporation
    Inventors: James L. Sumiejski, Craig D. Tipton
  • Publication number: 20100279901
    Abstract: 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: Application
    Filed: May 21, 2010
    Publication date: November 4, 2010
    Inventors: Ramnath N. Iyer, Samuel H. Tersigni
  • Patent number: 7732385
    Abstract: 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: Grant
    Filed: December 22, 2004
    Date of Patent: June 8, 2010
    Assignee: Nippon Oil Corporation
    Inventor: Kazuhiro Yagishita
  • Patent number: 7674754
    Abstract: 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: Grant
    Filed: November 29, 2006
    Date of Patent: March 9, 2010
    Assignee: Masco Corporation
    Inventors: John Noble, Philip B. Simon, Ross Smith
  • Publication number: 20090233823
    Abstract: 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: Application
    Filed: March 10, 2009
    Publication date: September 17, 2009
    Applicants: VOLKSWAGEN AKTIENGESELLSCHAFT, AUDI AG
    Inventors: JOERG FAHL, HOLGER GRUENLEITNER, MARIO SCHENKER, RAMNATH N. IYER
  • Patent number: 7125499
    Abstract: 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: Grant
    Filed: August 12, 2002
    Date of Patent: October 24, 2006
    Assignee: LCP Tech Holdings, LLC
    Inventors: Thomas David Ferguson, Rakesh Govind
  • Patent number: 6797678
    Abstract: 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: Grant
    Filed: November 21, 2001
    Date of Patent: September 28, 2004
    Assignees: Idemitsu Kosan Co., Ltd., NSK Ltd.
    Inventors: Hitoshi Hata, Hiromichi Seiki, Hisashi Machida
  • Patent number: 6525004
    Abstract: 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: Grant
    Filed: May 1, 2001
    Date of Patent: February 25, 2003
    Assignee: Infineum International Inc.
    Inventors: Rolfe J. Hartley, Salvatore Rea, William H. Stover
  • Publication number: 20030027727
    Abstract: 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: Application
    Filed: May 1, 2001
    Publication date: February 6, 2003
    Inventors: Rolfe J. Hartley, Salvatore Rea, William H. Stover
  • Patent number: 6482778
    Abstract: 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: Grant
    Filed: August 11, 1999
    Date of Patent: November 19, 2002
    Assignee: Ethyl Corporation
    Inventors: Samuel H. Tersigni, Sanjay Srinivasan, David L. Strait
  • Publication number: 20020151441
    Abstract: 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: Application
    Filed: February 14, 2001
    Publication date: October 17, 2002
    Inventors: Sanjay Srinivasan, Ramnath N. Iyer, Nubar Ozbalik
  • Patent number: 6444622
    Abstract: 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: Grant
    Filed: September 11, 2001
    Date of Patent: September 3, 2002
    Assignee: Ethyl Corporation
    Inventor: Vasudevan Balasubramaniam
  • Publication number: 20020055441
    Abstract: A lubricant additive obtained by heating an acidic phosphate ester and/or a phosphite ester (A) represented by the general formula (I): 1
    Type: Application
    Filed: November 21, 2001
    Publication date: May 9, 2002
    Applicant: Idemitsu Kosan Co., Ltd.
    Inventors: Hitoshi Hata, Hiromichi Seiki, Hisashi Machida
  • Patent number: 6352962
    Abstract: 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: Grant
    Filed: April 3, 2000
    Date of Patent: March 5, 2002
    Assignees: Idemitsu Kosan Co., Ltd., NSK Ltd.
    Inventors: Hitoshi Hata, Hiromichi Seiki, Hisashi Machida
  • Publication number: 20010056042
    Abstract: A borate ester represented by one of the following formulae:
    Type: Application
    Filed: May 7, 2001
    Publication date: December 27, 2001
    Inventors: James J. Schwind, S.Q. Abbas Rizvi, Stephen A. DiBiase
  • Patent number: 5972851
    Abstract: 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: Grant
    Filed: November 26, 1997
    Date of Patent: October 26, 1999
    Assignee: Ethyl Corporation
    Inventors: Sanjay Srinivasan, David Warren Smith, John P. Sunne
  • Patent number: 5891786
    Abstract: 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: Grant
    Filed: January 12, 1995
    Date of Patent: April 6, 1999
    Assignee: Ethyl Corporation
    Inventors: Sanjay Srinivasan, David W. Smith
  • Patent number: 5817605
    Abstract: 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: Grant
    Filed: June 3, 1991
    Date of Patent: October 6, 1998
    Assignee: Ethyl Petroleum Additives, Inc.
    Inventor: Andrew G. Papay
  • Patent number: 5811377
    Abstract: 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: Grant
    Filed: February 3, 1997
    Date of Patent: September 22, 1998
    Assignee: Exxon Chemical Patents Inc
    Inventors: Raymond Frederick Watts, Michael Gerald Romanelli, Ricardo Alfredo Bloch, Maryann Devine, Jack Ryer
  • Patent number: 5612295
    Abstract: 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: Grant
    Filed: March 27, 1996
    Date of Patent: March 18, 1997
    Assignee: Ethyl Corporation
    Inventors: Donald R. Bell, Rolfe J. Hartley, Andrew G. Papay
  • Patent number: 5578236
    Abstract: 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: Grant
    Filed: November 22, 1994
    Date of Patent: November 26, 1996
    Assignee: Ethyl Corporation
    Inventors: Sanjay Srinivasan, David W. Smith
  • Patent number: 5547596
    Abstract: 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: Grant
    Filed: May 20, 1994
    Date of Patent: August 20, 1996
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventor: Yasunori Omiya