Polycyclo Ring System Which Contains The Hetero Ring As One Of The Cyclos (e.g., Phenothiazines, Etc.) Patents (Class 508/251)
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Patent number: 11193081Abstract: A composition comprising an oil of lubricating viscosity and a compound represented by formula (I) wherein: R1 and R2 are each independently a hydrocarbyl group containing from about 4 to about 18 carbon atoms; p and q are each independently 0 or an integer from 1 to 3, and the sum of p and q is 1, 2, 3, 4, 5, or 6. The composition is effective at swelling seals.Type: GrantFiled: May 22, 2017Date of Patent: December 7, 2021Assignee: The Lubrizol CorporationInventors: Mahmud M. Hussain, Peter Miatt
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Patent number: 11168298Abstract: The present invention relates to a filter device for capturing a target cell and a target cell collecting method using the same. A filter substrate by which a target cell is captured is formed of an elastic material. When blood passes, the size of a lattice hole of the filter substrate by which the target cell is captured is reduced. When the blood completely passes, the size of the lattice hole of the filter substrate by which the target cell is captured is restored, so that a destruction rate of the target cell may be reduced and a collect rate of the target cell may be increased.Type: GrantFiled: March 30, 2017Date of Patent: November 9, 2021Assignee: KOREA INSTITUTE OF MACHINERY & MATERIALSInventors: Sunghwan Chang, Jung Yup Kim, Hyoun-Hyang Park, Yeong-Eun Yoo
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Patent number: 10597599Abstract: A lubricant composition of an oil of lubricating viscosity, an ashless condensation reaction product of an olefin polymer, having a number average molecular weight of 2,000 to 70,000, comprising carboxylic acid or equivalent functionality grafted onto the polymer backbone, with a monoamine or a polyamine often having a single primary amino group; a succinimide dispersant; and an overbased metal detergent, in an amount such that the total base number of the lubricant composition is less than 6.5, exhibits good sludge prevention performance in a gasoline engine.Type: GrantFiled: November 17, 2016Date of Patent: March 24, 2020Assignee: The Lubrizol CorporationInventors: Daniel J. Knapton, Ewan E. Delbridge, Matthew D. Gieselman, Jack C. Kelley
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Patent number: 9434903Abstract: The present invention relates to a component part comprising at least two components movable with respect to one another, between the surfaces of which is provided a film formed by a lubricant oil composition, the surface of at least one of the movable components being formed at least partly by a diamond-like-carbon layer (DLC layer) and the lubricant oil composition comprising at least one polymer comprising repeat units derived from amine derivatives of at least one polar ethylenically unsaturated monomer.Type: GrantFiled: May 10, 2012Date of Patent: September 6, 2016Assignee: Evonik Oil Additives GmbHInventors: Boris Eisenberg, Torsten Stoehr
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Patent number: 9315760Abstract: A lubricant composition with improved antioxidant capability is provided by way of an additive composition containing a metal free sulfur-containing compound, an aromatic amine, and a hindered amine. Particularly effective metal-free sulfur-containing compounds include ashless dithiocarbamates, such as methylenebis(dibutyldithiocarbamate), and sulfurized fatty acids.Type: GrantFiled: November 3, 2014Date of Patent: April 19, 2016Assignee: VANDERBILT CHEMICALS, LLCInventors: Kevin J. Chase, Brian W. Stunkel
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Patent number: 9217471Abstract: A lubricant composition capable of effectively preventing a rolling surface of a bearing from flaking owing to hydrogen embrittlement. The bearing is lubricated with the lubricant composition. The lubricant composition is lubricating oil or grease. The lubricant composition contains a molybdate. The lubricant composition also contains an organic acid salt. At least one molybdate is selected from sodium molybdate, potassium molybdate, and lithium molybdate. The organic acid salt is a sodium salt of an organic acid having one to 20 carbon atoms. 0.01 to 5 wt % of the molybdate is added to the entirety of the lubricant composition. 5 wt % to 70 wt % of the organic acid salt is added to the addition amount of the molybdate. The lubricant composition forms a film containing a molybdenum compound in addition to an iron oxide film on a worn surface of the bearing.Type: GrantFiled: April 30, 2012Date of Patent: December 22, 2015Assignee: NTN CORPORATIONInventors: Mika Kohara, Takayuki Kawamura, Kenji Tamada
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Patent number: 8664442Abstract: A dialkylanilino-cyclohexane compound useful as an antioxidant has the following formula I or formula II: wherein Ar1 and Ar2 can be the same or different and each is an alkylaromatic group; each of R1, R2, R3, and R4 is independently selected from hydrogen or CR7R8; each of R5, R6, and R7 is independently selected from hydrogen and a substituted or unsubstituted C1 to C32 hydrocarbyl group; and each R8 is independently selected from hydrogen and a C1 to C2 alkyl group, provided that when, each of R1 and R2 is CR7R8 and each such R8 is other than hydrogen, R1 and R2 may be joined to form a five or six-membered ring, and provided further that when, each of R3 and R4 is an adjacent CR7R8 and each such R8 is other than hydrogen, R3 and R4 may be joined to form a five or six-membered ring.Type: GrantFiled: September 9, 2008Date of Patent: March 4, 2014Assignee: Chemtura CorporationInventor: Theodore E. Nalesnik
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Patent number: 8207098Abstract: A lubricant additive comprising a rod-like liquid crystal compound possessing a cation group and an anion is disclosed. The rod-like liquid crystal compound is typically a specific type of 4-(1,3-diox-2-yl)pyridinium salt and exhibits an effect of reducing the coefficient of friction if added in a small amount. A lubricant composition and a grease composition comprising the lubricant additive are also disclosed.Type: GrantFiled: September 10, 2007Date of Patent: June 26, 2012Assignees: Yamanashi University, Balbis Co., Ltd., Nippon Chemical Industrial Co., Ltd.Inventor: Yuichiro Haramoto
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Patent number: 7820602Abstract: This invention relates to lubricating oil additives, and to lubricating oil compositions, their method of preparation, and use. More specifically, this invention relates to several novel lubricating oil additives and compositions which contain a tungsten compound and an antioxidant, namely aminic antioxidants such as a secondary diarylamine or an alkylated phenothiazine. The use of the tungsten compound with the secondary diarylamine and/or the alkylated phenothiazine provides improved oxidation and deposit control to lubricating oil compositions. The lubricating oil compositions of this invention are particularly useful as crankcase and transmission lubricants, gear oils and other high performance lubricant applications.Type: GrantFiled: July 12, 2006Date of Patent: October 26, 2010Assignee: King Industries, Inc.Inventors: Ramanathan Ravichandran, Farouk Abi-Karam, Alena Yermolenka, Michel Hourani, Ingo Roehrs
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Publication number: 20100062955Abstract: A dialkylanilino-cyclohexane compound useful as an antioxidant has the following formula I or formula II: wherein Ar1 and Ar2 can be the same or different and each is an alkylaromatic group; each of R1, R2, R3, and R4 is independently selected from hydrogen or CR7R8; each of R5, R6, and R7 is independently selected from hydrogen and a substituted or unsubstituted C1 to C32 hydrocarbyl group; and each R8 is independently selected from hydrogen and a C1 to C2 alkyl group, provided that when, each of R1 and R2 is CR7R8 and each such R8 is other than hydrogen, R1 and R2 may be joined to form a five or six-membered ring, and provided further that when, each of R3 and R4 is an adjacent CR7R8 and each such R8 is other than hydrogen, R3 and R4 may be joined to form a five or six-membered ring.Type: ApplicationFiled: September 9, 2008Publication date: March 11, 2010Inventor: Theodore E. Nalesnik
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Publication number: 20090156441Abstract: The invention is a C5-C12 cycloalkyl substituted phenylenediamine that provides 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 cycloalkyl substituted phenylenediamines having one or more additional N-substituents.Type: ApplicationFiled: December 12, 2007Publication date: June 18, 2009Inventors: Robert G. Rowland, Theodore E. Nalesnik, Joseph P. Hartley, Neal J. Milne, Paul Wilson
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Publication number: 20080194440Abstract: This invention relates to lubricating oil additives, and to lubricating oil compositions, their method of preparation, and use. More specifically, this invention relates to several novel lubricating oil additives and compositions which contain a tungsten compound and an antioxidant, namely aminic antioxidants such as a secondary diarylamine or an alkylated phenothiazine. The use of the tungsten compound with the secondary diarylamine and/or the alkylated phenothiazine provides improved oxidation and deposit control to lubricating oil compositions. The lubricating oil compositions of this invention are particularly useful as crankcase and transmission lubricants, gear oils and other high performance lubricant applications.Type: ApplicationFiled: April 3, 2008Publication date: August 14, 2008Inventors: Ramanathan Ravichandran, Farouk Abi-Karam, Alena Yermolenka, Michel Hourani, Ingo Roehrs
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Patent number: 6989056Abstract: The present invention relates to IR reflective black pigment compositions comprising a halogenated copper phthalocyanine such as C.I. Pigment Green 7 and a perylenetetracarboxylic acid diimide such as C.I. Pigment Violet 29. The compositions are characterized by an IR reflection spectrum with a positive slope in the wavelength range between 800 and 900 nm when incorporated as coloring agents in coatings or plastics. The inventive IR reflective black pigment compositions are useful for coloring high molecular weight materials like coatings, inks and plastics.Type: GrantFiled: September 20, 2004Date of Patent: January 24, 2006Assignee: Ciba Specialty Chemicals CorporationInventor: Fridolin Bäbler
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Patent number: 6916767Abstract: A composition of matter is disclosed wherein the composition comprises an N-aromatic substituted acid amide compound selected from the group consisting of compounds of formula (I) wherein A and B are independently selected alkylene groups; R1 is selected from the group consisting of hydrogen, alkyl, alkylether, or ester; R2 is hydrogen if R1 is hydrogen; R2 is an alkyl primary amine if R1 is alkyl, alkylether, or ester; R3 and R4 are independently selected from the group consisting of hydrogen and alkyl; R5 is a sterically hindered phenolic group of formula (II) or formula (III) wherein X is CH2, S, NH, or O; and m, n, and p are independently selected integers equal to 0 or 1. These compositions may be used as such or they may be bound to a polymer backbone via a linking moiety.Type: GrantFiled: December 5, 2000Date of Patent: July 12, 2005Assignee: Uniroyal Chemical Company, Inc.Inventors: Karl J. Duyck, Theodore E. Nalesnik
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Patent number: 6875730Abstract: 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—(AO)n—H}p??(1) X{—O—(AO1)a—(AO2)b—H}p??(2)Type: GrantFiled: January 19, 2001Date of Patent: April 5, 2005Assignees: Asahi Denka Kogyo K.K., Japan Energy CorporationInventors: Takashi Kaimai, Hitoshi Takahashi, Goro Yamamoto, Kimiyoshi Namiwa, Ayako Saneyoshi
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Publication number: 20040192563Abstract: The present invention describes an improved lubricant composition comprising a particularly effective combination of components comprising ashless antiwear and rust inhibitor additives with an antioxidant liquid mixture formed by reacting an olefin with a mixture of diphenylamines and phenothiozines.Type: ApplicationFiled: March 17, 2004Publication date: September 30, 2004Applicant: ExxonMobil Research and Engineering CompanyInventors: Walter D. Vann, Liehpao Oscar Farng, Angela S. Galiano-Roth, Marcia G. Rogers, Paul Dubs, Miles J. Hutchings
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Patent number: 6797677Abstract: The invention relates to a lubricating oil composition having improved antioxidant properties, and which contains a molybdenum compound and an alkylated phenothiazine. Further, it may also include a secondary diarylamine, preferably an alkylated diphenylamine. This combination of additives provides improved oxidation control and friction modifier performance to the lubricating oil. The composition is particularly suited for use as a crankcase lubricant, or a transmission lubricant, including low levels and zero levels of phosphorus.Type: GrantFiled: May 30, 2002Date of Patent: September 28, 2004Assignee: Afton Chemical CorporationInventors: Carl K. Esche, Jr., Vincent J. Gatto
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Publication number: 20030224950Abstract: The invention relates to a lubricating oil composition having improved antioxidant properties, and which contains a molybdenum compound and an alkylated phenothiazine. Further, it may also include a secondary diarylamine, preferably an alkylated diphenylamine. This combination of additives provides improved oxidation control and friction modifier performance to the lubricating oil. The composition is particularly suited for use as a crankcase lubricant, or a transmission lubricant, including low levels and zero levels of phosphorus.Type: ApplicationFiled: May 30, 2002Publication date: December 4, 2003Inventors: Carl K. Esche, Vincent J. Gatto
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Patent number: 6548457Abstract: 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 compounds such as polyhydric alcohol partial ether and/or benzotriazole compounds. Further, the present invention provides a working fluid composition comprising the lubricant and an ammonia refrigerant, and a refrigeration system which is filled with the working fluid composition. The lubricant has not only good compatibility with ammonia, but excellent stability and lubricating property, and therefore can suitably used in a compression type refrigeration system using an ammonia refrigerant that does not have the possibility of ozone layer depletion and global warming phenomenon.Type: GrantFiled: January 17, 2001Date of Patent: April 15, 2003Assignee: Japan Energy CorporationInventors: Takashi Kaimai, Hitoshi Takahashi
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Publication number: 20030027729Abstract: To provide a lubricant which is excellent in the compatibility with ammonia and also has excellent practical performance such as good stability and lubricity.Type: ApplicationFiled: July 9, 2002Publication date: February 6, 2003Inventors: Takashi Kaimai, Hitoshi Takahashi, Goro Yamamoto, Kimiyoshi Namiwa, Ayako Saneyoshi
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Patent number: 6482243Abstract: The present invention is directed to a composition for use in a combustion engine either as a fuel additive or as an additive for a crankcase lubricant. The composition may include a polyunsaturated aliphatic or alicyclic compound having at least three, but no more than six, double bonds to improve the combustion process by acting as pseudo-catalyst in the combustion reaction. The composition may further include a derivative of dihydrobenzo-gamma-pyrane to improve the combustion process by acting as pseudo-catalyst in the combustion reaction. The composition may further include surfactants such as polyethylene glycol and/or one or more polyoxyalkene derivatives of either polypropylene glycol, polyethylene glycol or sorbitol. A media of fatty acid esters is provided to dilute the combustion promoters, surfactants and other ingredients allowing accurate concentrations of these ingredients to be introduced into the fuel chamber.Type: GrantFiled: March 22, 2001Date of Patent: November 19, 2002Assignee: J.T. Granatelli Lubricants, Inc.Inventor: Vladimir Y. Podlipskiy
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Patent number: 5942471Abstract: Multifunctional viscosity index improvers for lubricating oils based on a hydrocarbon polymer holding pendant functional groups containing phenothiazine, and pendant functional groups containing aromatic amine antioxidant.Type: GrantFiled: July 1, 1992Date of Patent: August 24, 1999Assignee: Ethyl CorporationInventors: Maria Magdalena Kapuscinski, Robert Thomas Biggs
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Patent number: 5731273Abstract: Crankcase lubricant compositions for use in automobile or truck engines comprise a major proportion of a lubricating oil, and an antioxidant system comprising added copper present in oil-soluble form and at least one oil-soluble phenothiazine.Type: GrantFiled: November 13, 1996Date of Patent: March 24, 1998Assignee: Exxon Chemical Patents Inc.Inventor: Ian Peter Field
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Patent number: 5614124Abstract: A lubricating oil composition comprising:(a) a major amount of an oil of lubricating viscosity; and(b) a minor amount of a synergistic combination of an antioxidant-dispersant additive and a dispersant additive, said combination comprising:(i) a polyisobutylene succinimide;(ii) an ethylene-propylene succinimide; and(iii) an akylated phenothiazine represented by the formula ##STR1## wherein R.sup.1 is a linear or branched (C.sub.4 -C.sub.24) alkyl, heteronlykl or alkylary group; and R.sup.2 is H or a linear or branched (C.sub.4 -C.sub.24) alkyl group.Type: GrantFiled: June 7, 1995Date of Patent: March 25, 1997Assignee: Ethyl Additives CorporationInventors: Carl K. Esche, Jr., Cyril A. Migdal, John R. Sanderson, Anthony L. Ippolito
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Patent number: 5558807Abstract: A high temperature long bearing life grease is disclosed comprising a wax isomerate based base stock plus an antioxidant consisting of a metal salt and a diphenyl amine. The base stock may be 100% wax isomerate oil or mixture of wax isomerate oil and mineral oil boiling in the lube oil boiling range.Type: GrantFiled: May 19, 1995Date of Patent: September 24, 1996Assignee: Exxon Research and Engineering CompanyInventor: Jeenok T. Kim