Plural Nitrogens Bonded Directly To A Single Benzene Ring Patents (Class 508/557)
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Patent number: 10538714Abstract: An additive composition improves the stability and the engine performances of gas oils, including gas oils of the non-road type in compliance with the decree of 10 Dec. 2010. The additive composition includes: at least one metal deactivator or chelating agent, at least one antioxidant of the hindered phenol type (alkylphenol), at least one dispersant and/or detergent, and at least one metal passivator, wherein the composition includes improved properties, in particular relative to the oxidation resistance, storage stability, thermal stability, reduction in fouling of the injectors, reduction in loss of power, reduction in the tendency of filters to clog.Type: GrantFiled: October 17, 2017Date of Patent: January 21, 2020Assignee: Total Marketing ServicesInventors: Frédéric Tort, Christian Vermorel
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Patent number: 9523060Abstract: Compositions comprise first antioxidants and first additives, such as, a surface additives, performance enhancing additives and lubricant protective additives and optionally second additives and/or second antioxidants. The compositions are useful to improve lubricants, lubricant oils and other lubricant materials. The compositions and methods generally provide longer shelf lives, increased oxidative resistance, improved quality and/or enhanced performance to lubricants or lubricant oils.Type: GrantFiled: December 11, 2014Date of Patent: December 20, 2016Assignee: Polnox CorporationInventors: Ashok L. Cholli, Ashish Dhawan, Rajesh Kumar, Vijayendra Kumar, Suizhou Yang, Taizoon Canteenwala
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Patent number: 9321980Abstract: The present invention is a lubricant or functional fluid additive for a polyolefin oil blend, comprising a mixture of: (a) an anti-wear component consisting essentially of 95% isopropylated triarylphosphate and 5% dodecyl phosphate, the dodecyl phosphate being only partially esterified, the anti-wear component present in the polyolefin oil blend in a range of from about 0.75 percent to about 2.00 percent by weight; (b) an antioxidant component selected from the group consisting of alkylated phenyl-alpha-naphthylamine, phenyl-alpha-naphthylamine and mixtures thereof, and present in the polyolefin oil blend in a range of from about 0.75 percent to about 2.00 percent by weight; (c) an anti-rust component comprising an alkylated succinic acid ester anti-rust agent, and present in the polyolefin oil blend in a range of from about 0.050 percent to about 0.Type: GrantFiled: March 21, 2013Date of Patent: April 26, 2016Assignee: Materials Engineering and Technical Support Services Corp.Inventor: William F. Ricks
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Patent number: 8987515Abstract: Radical initiated reactions of phenylenediamines with alkylated aromatic amines produce an antioxidant mixture containing cross reaction products of the phenylenediamines and alkylated aromatic amines which are useful, for example, as antioxidants, stabilizers, and antiozonants for lubricants, electronic chemicals, rubbers, urethanes and other polymer resins, crop protection, pharmaceuticals, dyes and toners.Type: GrantFiled: November 20, 2012Date of Patent: March 24, 2015Assignee: Chemtura CorporationInventor: Robert G. Rowland
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Patent number: 8741824Abstract: Soot induced kinematic viscosity increase of lubricating oil compositions for diesel engines, particularly heavy duty diesel engines, equipped with EGR systems, particularly EGR systems operating in a condensing mode, can be ameliorated by addition of a phenylenediamine compound.Type: GrantFiled: July 8, 2005Date of Patent: June 3, 2014Assignee: Infineum International LimitedInventors: Dennis L. Malandro, Michael L. Alessi
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Patent number: 8703682Abstract: Tetra-alkylated phenylenediamine compounds useful as ashless TBN sources for lubricating oil compositions that are compatible with fluoroelastomeric engine seal materials and meet copper corrosion requirements, and lubricating oil compositions containing such phenylenediamine compounds.Type: GrantFiled: October 29, 2009Date of Patent: April 22, 2014Assignee: Infineum International LimitedInventors: Joseph P. Hartley, Robert G. Rowland, Jie Cheng, Jacob Emert, Joseph Stieber
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Patent number: 8563489Abstract: An alkylated 1,3-benzenediamine compound used as a deposit-control lubricant additives for organic materials including lubricating oil, gasoline, and diesel fuels. The invention improves the oxidative stability of the lubricants and fuels by adding the alkylated 1,3-benzenediamine compound. The alkylated 1,3-benzenediamine compound is formed using a catalytic hydrogenation that alkylates the 4 and/or 6 position of the central aromatic ring.Type: GrantFiled: September 17, 2008Date of Patent: October 22, 2013Assignee: Chemtura CorporationInventors: Robert G. Rowland, Joseph F. Stieber, Clifford M. Pratt, Ronald D. Abbott
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Publication number: 20130150275Abstract: Radical initiated reactions of phenylenediamines with alkylated aromatic amines produce an antioxidant mixture containing cross reaction products of the phenylenediamines and alkylated aromatic amines which are useful, for example, as antioxidants, stabilizers, and antiozonants for lubricants, electronic chemicals, rubbers, urethanes and other polymer resins, crop protection, pharmaceuticals, dyes and tonersType: ApplicationFiled: November 20, 2012Publication date: June 13, 2013Applicant: CHEMTURA CORPORATIONInventor: Chemtura Corporation
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Publication number: 20130130955Abstract: Compositions comprise first antioxidants and first additives, such as, a surface additives, performance enhancing additives and lubricant protective additives and optionally second additives and/or second antioxidants. The compositions are useful to improve lubricants, lubricant oils and other lubricant materials. The compositions and methods generally provide longer shelf lives, increased oxidative resistance, improved quality and/or enhanced performance to lubricants or lubricant oils.Type: ApplicationFiled: May 11, 2012Publication date: May 23, 2013Applicant: Polnox CorporationInventors: Ashok L. Cholli, Ashish Dhawan, Rajesh Kumar, Vijayendra Kumar, Suizhou Yang, Taizoon Canteenwala
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Publication number: 20120178656Abstract: The disclosed invention relates to a composition comprising a grafted polymer. The polymer backbone comprises an olefin block and a vinyl aromatic block. The polymer backbone is grafted with a pendant carbonyl containing group, the grafting being conducted in oil in the presence of an initiator. The carbonyl containing-group is optionally substituted to provide ester, imide and/or amide functionality. The grafted polymer is useful as a dispersant viscosity modifier in lubricating compositions such as engine oils.Type: ApplicationFiled: July 6, 2010Publication date: July 12, 2012Applicant: THE LUBRIZOL CORPORATIONInventors: Michael R. Sutton, William R.S. Barton, David Price, Mark C. Davies
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Patent number: 8183191Abstract: A grease composition containing a lubricant base oil, diurea compounds represented by the following general formulas (1) to (3), and at least one species selected from the group consisting of paraffin oxides and phosphorus compounds; wherein respective contents of the diurea compounds represented by the following general formulas (1) to (3) satisfy conditions defined by the following expressions (4) and (5); and wherein the total content of the paraffin oxides and phosphorus compounds is 0.1 to 15 mass % based on the total amount of the grease composition: where R1 is a hydrocarbon group containing an aromatic ring, R2 is a divalent hydrocarbon group, and R3 is a hydrocarbon group containing an aliphatic ring; 5?W1+W2+W3?30??(4) 0.3?(W1+0.5×W2)/(W1+W2+W3)?0.7??(5) where W1, W2, and W3 are respective contents (mass %) of the diurea compounds represented by general formulas (1) to (3) based on the total amount of the grease composition.Type: GrantFiled: April 22, 2003Date of Patent: May 22, 2012Assignee: Nippon Oil CorporationInventors: Hirotsugu Kinoshita, Souichi Nomura, Takashi Arai, Kiyomi Sakamoto
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Patent number: 7977286Abstract: The invention comprises lubricating compositions and hydraulic fluids containing N,N?-diaryl-o-phenylenediamine compounds that impart good levels of oxidation inhibition in the lubricants and hydraulic fluids. The invention further comprises a method of making N,N?-diaryl-o-phenylenediamine compounds.Type: GrantFiled: April 3, 2007Date of Patent: July 12, 2011Assignee: ExxonMobil Research and Engineering CompanyInventors: Abhimanyu O. Patil, Jacob J. Habeeb, Michael E. Landis, Manuel A. Francisco, Manika Varma-Nair
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Publication number: 20110105374Abstract: Monoaryltrialkyl phenylenediamine compounds useful as ashless TBN sources for lubricating oil compositions that are compatible with fluoroelastomeric engine seal materials and meet copper corrosion requirements, and lubricating oil compositions containing such phenylenediamine compounds.Type: ApplicationFiled: October 29, 2009Publication date: May 5, 2011Inventors: Jie Cheng, Jacob Emert, Joseph P. Hartley, Robert G. Rowland, Joseph Stieber
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Publication number: 20110105372Abstract: Tetra-alkylated phenylenediamine compounds useful as ashless TBN sources for lubricating oil compositions that are compatible with fluoroelastomeric engine seal materials and meet copper corrosion requirements, and lubricating oil compositions containing such phenylenediamine compounds.Type: ApplicationFiled: October 29, 2009Publication date: May 5, 2011Inventors: Joseph P. Hartley, Robert G. Rowland, Jie Cheng, Jacob Emert, Joseph Stieber
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Patent number: 7846884Abstract: Lubricating oil compositions containing (a) at least one oil of lubricating viscosity and (b) an effective amount of at least one thio-functionalized phenylenediamine compound of the general formula: wherein R1, R2, R3, R4 and n are as defined herein are provided. Methods of operating an engine employing the lubricating oil composition are also provided.Type: GrantFiled: November 14, 2006Date of Patent: December 7, 2010Assignee: Chemtura CorporationInventor: Qinggao Ma
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Patent number: 7759295Abstract: The invention comprises lubricating compositions and hydraulic fluids containing substituted N,N?-diaryl-o-phenylenediamine compounds that impart good levels of oxidation inhibition in the lubricants and hydraulic fluids.Type: GrantFiled: April 3, 2007Date of Patent: July 20, 2010Assignee: ExxonMobil Research and Engineering CompanyInventors: Abhimanyu O. Patil, Jacob J. Habeeb
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Patent number: 7704931Abstract: A lubricant composition is disclosed that comprises lubricating oil and a mixture of at least two antioxidants, the first antioxidant being a secondary diarylamine and the second antioxidant being a substituted para-phenylenediamine. Also disclosed is a method of increasing the oxidation stability of a lubricating oil comprising adding thereto at least two antioxidants, the first antioxidant being a secondary diarylamine and the second antioxidant being a substituted para-phenylenediamine.Type: GrantFiled: June 3, 2005Date of Patent: April 27, 2010Assignee: Chemtura CorporationInventors: Jun Dong, Cyril A. Migdal
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Patent number: 7683017Abstract: Disclosed is a lubricating oil composition containing an oil of lubricating viscosity and a particularly effective mixture of a nitro-substituted diphenylamine and a diarylamine which together provide superior oxidation inhibition.Type: GrantFiled: June 20, 2007Date of Patent: March 23, 2010Assignee: Chevron Oronite Company LLCInventors: Richard E. Cherpeck, Carrie Y. Chan
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Publication number: 20090156448Abstract: Compositions in the form of lubricating oil compositions, greases, fuels or functional fluids containing, in the form of Michael adducts, N-substituted phenylenediamine additives in which at least one of the substituents on the N atoms carries a carbonyl group that is connected to an alkyl, alkoxyalkyl, or alkylthioalkyl group either directly or via an oxygen atom.Type: ApplicationFiled: December 12, 2007Publication date: June 18, 2009Inventors: Tushar kanti Bera, Rolfe J. Hartley, Jacob Emert, Jie Cheng, Theodore E. Nalesnik, Robert G. Rowland
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Publication number: 20090156449Abstract: An alkylated 1,3-benzenediamine compound used as a deposit-control lubricant additives for organic materials including lubricating oil, gasoline, and diesel fuels. The invention improves the oxidative stability of the lubricants and fuels by adding the alkylated 1,3-benzenediamine compound. The alkylated 1,3-benzenediamine compound is formed using a catalytic hydrogenation that alkylates the 4 and/or 6 position of the central aromatic ring.Type: ApplicationFiled: September 17, 2008Publication date: June 18, 2009Inventors: Robert G. Rowland, Joseph F. Stieber, Clifford M. Pratt, Ronald D. Abbott
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Publication number: 20080248984Abstract: The invention comprises lubricating compositions and hydraulic fluids containing N,N?-diaryl-m-phenylene diamine compounds that impart good levels of oxidation inhibition in the lubricants and hydraulic fluids.Type: ApplicationFiled: April 3, 2007Publication date: October 9, 2008Inventors: Abhimanyu O. Patil, Jacob J. Habeeb
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Publication number: 20080248985Abstract: The invention comprises lubricating compositions and hydraulic fluids containing substituted N,N?-diaryl-o-phenylenediamine compounds that impart good levels of oxidation inhibition in the lubricants and hydraulic fluids.Type: ApplicationFiled: April 3, 2007Publication date: October 9, 2008Inventors: Abhimanyu O. Patil, Jacob J. Habeeb
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Publication number: 20070265178Abstract: The invention comprises lubricating compositions and hydraulic fluids containing N,N?-diaryl-o-phenylenediamine compounds that impart good levels of oxidation inhibition in the lubricants and hydraulic fluids. The invention further comprises a method of making N,N?-diaryl-o-phenylenediamine compounds.Type: ApplicationFiled: April 3, 2007Publication date: November 15, 2007Inventors: Abhimanyu O. Patil, Jacob J. Habeeb, Michael E. Landis, Manuel A. Francisco, Manika Varma-Nair
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Publication number: 20040106526Abstract: A method for marking a liquid petroleum hydrocarbon. The method comprises adding to the liquid petroleum hydrocarbon: (i) at least one anthraquinone dye having an absorption maximum in the range from 710 nm to 850 nm selected from the group consisting of 1,4,5,8-tetrasubstituted anthraquinones and anthraquinone dimers; and (ii) at least one visible dye having an absorption maximum in the range from 500 nm to 700 nm.Type: ApplicationFiled: November 12, 2003Publication date: June 3, 2004Inventors: David Roderick Baxter, Peter John Cranmer, Kim Sang Ho
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Patent number: 6514917Abstract: Colorless markers for petroleum products and methods and composition for detecting them.Type: GrantFiled: June 7, 2000Date of Patent: February 4, 2003Assignee: United Color Manufacturing, Inc.Inventors: Michael J. Smith, Bharat Desai, Justin J. Frederico
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Patent number: 6242394Abstract: A lubricant composition suitable for fuel injected two-stroke cycle engines includes an oil of lubricating viscosity, an amount, sufficient to reduce or prevent piston scuffing, of a mixture of (A) at least one phenol selected from (A-1) an aminophenol and (A-2) a reaction product of a nitrophenol and an amino compound, and (B) at least one Mannich dispersant, amine dispersant, nitrogen-containing carboxylic dispersant, or ester dispersant. The composition further includes an amount, sufficient to reduce degradation of the lubricant composition upon exposure to oxygen or oxides of nitrogen, of a nitrogen-containing inhibitor, a hindered phenol inhibitor, or a sulfur-containing organic inhibitor.Type: GrantFiled: November 23, 1994Date of Patent: June 5, 2001Assignee: The Lubrizol CorporationInventor: William B. Chamberlin, III
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Patent number: 6048827Abstract: In lubricant (5) of a magnetic recording medium made of conventional perfluoropolyether, one or more conductive high molecular compound is mixed. The conductive lubricant (5) prevents electric charge generated by frictional electricity from staying on the medium surface, and effectively prolongs the head-life by suppressing the break of the head element because of electric discharge between the disk medium and the head element. By employing the conductive lubricant, magnetic recording media and magnetic recording devices which are more reliable and durable can be realized.Type: GrantFiled: December 1, 1998Date of Patent: April 11, 2000Assignee: NEC CorporationInventor: Takashi Fukuchi
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Patent number: 5536427Abstract: A non-flammable electric discharge machining fluid for electric discharge machining which comprises a non-flammable water base solution, a block copolymer represented by the general formula: ##STR1## wherein n ranges from 1 to 5 and n/(m+p) ranges from 0.5 to 2.5. The fluid contributes to a lowered electrode wear rate and an improved machining removal rate.Type: GrantFiled: May 10, 1994Date of Patent: July 16, 1996Assignee: Sodick Co., Ltd.Inventors: Nobuyuki Takahashi, Makoto Sugai