The Benzene Ring Is Bonded Directly To Carbon Of A -c(=o)o- Group Patents (Class 508/479)
  • Patent number: 11104858
    Abstract: Provided is a method of lubricating a sliding part by applying a lubricating base oil containing an ester compound to the sliding part. The ester compound contains a mixture of one or more compounds represented by a general formula (1) wherein R1 and R2 independently represent a hydrogen, a methyl, a benzoyloxy, a naphthoyloxy, or general formula (2) (—O—C(?O)—R5), R3 and R4 independently represent a benzoyloxy group, a naphthoyloxy group, or general formula (2), and R5 represents a linear C5-21 alkyl group, a branched chain C9-21 alkyl group, or a C5-21 cycloalkyl group that may also be substituted with an alkyl chain. The mixture contains a compound in which at least one among R1 to R4 is general formula (2), and the proportion, in the mixture, of a compound in which at least one among R1 to R4 is a benzoyloxy group or a naphthoyloxy group is 5-100 mole %.
    Type: Grant
    Filed: November 6, 2017
    Date of Patent: August 31, 2021
    Assignee: KAO CORPORATION
    Inventor: Tatsuya Miyazaki
  • Patent number: 11034906
    Abstract: Provided is a method of lubricating a sliding part by applying a lubricating base oil containing an ester compound to the sliding part. The ester compound contains a mixture of one or more compounds represented by a general formula (1) wherein R1 and R2 independently represent a hydrogen, a methyl, a benzoyloxy, a naphthoyloxy, or general formula (2) (—O—C(?O)—R5), R3 and R4 independently represent a benzoyloxy group, a naphthoyloxy group, or general formula (2), and R5 represents a linear C5-21 alkyl group, a branched chain C9-21 alkyl group, or a C5-21 cycloalkyl group that may also be substituted with an alkyl chain. The mixture contains a compound in which at least one among R1 to R4 is general formula (2), and the proportion, in the mixture, of a compound in which at least one among R1 to R4 is a benzoyloxy group or a naphthoyloxy group is 5-100 mole %.
    Type: Grant
    Filed: November 6, 2017
    Date of Patent: June 15, 2021
    Assignee: KAO CORPORATION
    Inventor: Tatsuya Miyazaki
  • Patent number: 10336884
    Abstract: Compositions comprising (i) a hydrogenated styrenic block copolymer, (ii) an oil, and (iii) optional additives are described herein. Compositions include but are not limited to cable fillings. The styrenic block copolymer having peak molecular weight of from about 125 to about 300 kg/mol, an oil and optional additives are described herein. The block copolymer includes a B block having vinyl content of from about 35% to about 49% and an S block having a polystyrene content of from about 28% to about 40%. The compositions may form a gel having a thixotropic ratio at 25° C. of from about 5 to about 10 and further characterized by specific low, middle and high shear rate viscosities at 25° C. and shear rates of 6 s?1, 50 s?1 and 200 s?1 of from 10,000 cps to 750,000 cps, 1,000 cps to 100,000 cps and 1,000 cps to 6,000 cps, respectively; a drop point from 100° C. to 250° C.; and a cone penetration at 25° C. of from 300 dmm to 685 dmm.
    Type: Grant
    Filed: July 13, 2017
    Date of Patent: July 2, 2019
    Assignee: Kraton Corporation
    Inventors: Robert Bening, Ruidong Ding, Huixian Yang, Catherine Maris
  • Publication number: 20150057203
    Abstract: A lubricating oil composition contains a base oil containing a compound (A) and a compound (B) below and a compound (C). The lubricating oil composition exhibits a kinematic viscosity at 40 degrees C. in a range of 20 mm2/s to 40 mm2/s, a density at 15 degrees C. of 1.1 g/cm3 or more, a flash point of 200 degrees C. or more, and a viscosity index of 100 or more. The compound (A) is an ester or an ether having two or more aromatic rings. The compound (B) is an ester or an ether having a kinematic viscosity at 40 degrees C. of 12 mm2/s or less, a density at 15 degrees C. of 0.9 g/cm3 or more and a flash point of 100 degrees C. or more. The compound (C) is a poly(meth)acrylate having a mass average molecular weight of 50000 or less.
    Type: Application
    Filed: March 12, 2013
    Publication date: February 26, 2015
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventor: Toshiyuki Tsubouchi
  • Patent number: 8759264
    Abstract: The invention relates to water-based hydraulic fluids comprising a) water, b) at least one glycol, a polyglycol, or both, and c) 0.1 to 30 wt % of at least one compound of formula 1, where M is hydrogen, an alkali metal, an alkali earth metal, or ammonia, Ar1 and Ar2 are independently monocyclic or polycyclic aromatic groups that can have substituents or can comprise heteroatoms.
    Type: Grant
    Filed: December 2, 2009
    Date of Patent: June 24, 2014
    Assignee: Clarient Finance (BVI) Limited
    Inventors: Rainer Kupfer, Carsten Cohrs
  • Patent number: 8748360
    Abstract: The present invention relates to a method of lubricating a conveyor belt, wherein a lubricant concentrate containing at least 0.1 wt-% of at least one free fatty acid and at least one corrosion inhibitor is employed as a dry lubricant in a dry lubrication process.
    Type: Grant
    Filed: December 12, 2007
    Date of Patent: June 10, 2014
    Assignee: Diversey, Inc.
    Inventors: Holger Theyssen, Stefan Grober, Harry Kany, Mark V. Clifton
  • Patent number: 8377859
    Abstract: The addition of alkyl salicylic acids and esters represented by Formula I where R1?H or C12 to C22 linear alkyl group; R2?H or linear C12 to C22 carbonyl group; and R3=linear C12 to C22 alkyl group reduces the pour point of a hydrocarbon base oil. Thus, both a method for reducing the pour point of hydrocarbon oils and lubricating composition containing pour point reducing salicylates are provided. The hydrocarbon base oil in such method and composition preferably is a Group III base oil.
    Type: Grant
    Filed: July 22, 2008
    Date of Patent: February 19, 2013
    Assignee: Exxonmobil Research and Engineering Company
    Inventors: Marc-Andre Poirier, Jacob J. Habeeb, Chengrong X. Wang
  • Patent number: 8299004
    Abstract: A hydraulic fluid of the present invention contains, as a base oil, an ester having two or more ring structures, the two or more ring structures being at least one selected from an aromatic ring and a saturated naphthenic ring. Particularly, the hydraulic fluid contains an ester having two or more aromatic rings as the base oil. The hydraulic fluid has low energy loss due to compression and exhibits excellent responsiveness when being used in a hydraulic circuit. Consequently, the hydraulic fluid realizes energy-saving, high-speed operation and high precision of control in the hydraulic circuit.
    Type: Grant
    Filed: April 21, 2008
    Date of Patent: October 30, 2012
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventor: Toshiyuki Tsubouchi
  • Publication number: 20120040875
    Abstract: The invention relates to water-based hydraulic fluids comprising a) water, b) at least one glycol, a polyglycol, or both, and c) 0.1 to 30 wt % of at least one compound of formula 1, where M is hydrogen, an alkali metal, an alkali earth metal, or ammonia, Ar1 and Ar2 are independently monocyclic or polycyclic aromatic groups that can have substituents or can comprise heteroatoms.
    Type: Application
    Filed: December 2, 2009
    Publication date: February 16, 2012
    Applicant: CLARIANT FINANCE (BVI) LIMITED
    Inventors: Rainer Kupfer, Carsten Cohrs
  • Patent number: 7696136
    Abstract: Disclosed herein is a composition comprising: (A) a lubricant or a hydrocarbon fuel; (B) at least one hydroxy carboxylic acid ester or hydroxy polycarboxylic acid ester having the generic formula defined herein; and (C) at least one phosphorus-containing additive.
    Type: Grant
    Filed: November 1, 2004
    Date of Patent: April 13, 2010
    Assignee: Crompton Corporation
    Inventors: Cyril A. Migdal, Robert G. Rowland
  • Patent number: 7572361
    Abstract: Lubricant blends and finished gear oils comprising a lubricant base oil fraction derived from highly paraffinic wax, a petroleum derived base oil, and a pour point depressant are provided. The lubricant base oil fraction derived from highly paraffinic wax comprises less than 0.30 weight percent aromatics, greater than 5 weight percent molecules with cycloparaffinic functionality, and a ratio of weight percent of molecules with monocycloparaffinic functionality to weight percent of molecules with multicycloparaffinic functionality greater than 15. The petroleum derived base oils comprises greater than 90 weight percent saturates and less than 300 ppm sulfur and is preferably selected from the group consisting of a Group II base oil, a Group III base oil, and mixtures thereof. These lubricant blends have surprising low Brookfield viscosities at ?40° C.
    Type: Grant
    Filed: December 2, 2004
    Date of Patent: August 11, 2009
    Assignee: Chevron U.S.A. Inc.
    Inventors: John M. Rosenbaum, Stephen J. Miller, Joseph M. Pudlak
  • Publication number: 20090029889
    Abstract: The addition of alkyl salicylic acids and esters represented by Formula I where R1?H or C12 to C22 linear alkyl group; R2?H or linear C12 to C22 carbonyl group; and R3=linear C12 to C22 alkyl group reduces the pour point of a hydrocarbon base oil. Thus, both a method for reducing the pour point of hydrocarbon oils and lubricating composition containing pour point reducing salicylates are provided. The hydrocarbon base oil in such method and composition preferably is a Group III base oil.
    Type: Application
    Filed: July 22, 2008
    Publication date: January 29, 2009
    Inventors: Marc-Andre Poirier, Jacob J. Habeeb, Chengrong X. Wang
  • Patent number: 7285516
    Abstract: Lubricating oils containing an additive formulation including at least one sulphonate, saligenin and salixarate detergent provide improved wear performance and decreased sulphur and phosphorus emissions.
    Type: Grant
    Filed: November 25, 2002
    Date of Patent: October 23, 2007
    Assignee: The Lubrizol Corporation
    Inventors: Virginia A. Carrick, William D. Abraham, Gordon D. Lamb, R. Ian Wilby, James P Roski
  • Patent number: 6884761
    Abstract: The present invention relates, generally, to a high temperature stable mixed polyol ester lubricant composition partly containing an aromatic carboxylic acid ester and a process of making the same. Typically, the aromatic acid ester is benzoic acid, and the lubricant composition preferably comprises a mixture of linear C5, i-C9, and linear C7-10 aliphatic carboxylic acid. The esters are preferably formed from an aliphatic polyol. These mixed polyol esters are useful in aero-derived gas turbine engines.
    Type: Grant
    Filed: November 25, 2002
    Date of Patent: April 26, 2005
    Assignee: BP Corporation North America Inc.
    Inventors: Patrick E. Godici, Jeenok T. Kim, Martin A. Krevalis, Richard H. Schlosberg
  • Patent number: 6802874
    Abstract: The invention disclosed herein relates to linear compounds in the form of oligomers or polymers containing unsubstituted or substituted phenol units and unsubstituted or substituted salicylic acid units. These compounds are useful as additives for lubricants and fuels. Metal salts of these compounds are useful as lubricant additives. A process for making these compounds is disclosed.
    Type: Grant
    Filed: June 16, 2003
    Date of Patent: October 12, 2004
    Assignee: The Lubrizol Corporation
    Inventors: David John Moreton, Rodney John McAtee
  • Publication number: 20040186027
    Abstract: A linear compound and a metal salt or boron-containing metal salt thereof contains one or more carboxyl-containing phenol units or derivatives thereof and one or more on average at least C18 hydrocarbyl-substituted hydroxyaromatic units or derivatives thereof connected by one or more divalent bridging groups. A concentrate contains the linear compound or metal salt thereof and an organic diluent. A lubricating oil composition contains a minor amount of the linear compound or metal salt thereof and a major amount of a lubricating oil. Additional embodiments of the invention are processes to make the linear compound and the metal salt thereof.
    Type: Application
    Filed: February 19, 2004
    Publication date: September 23, 2004
    Inventors: David J Moreton, Stephen J Cook, David Cressey
  • Publication number: 20040123514
    Abstract: The invention disclosed herein relates to linear compounds in the form of oligomers or polymers containing unsubstituted or substituted phenol units and unsubstituted or substituted salicylic acid units. These compounds are useful as additives for lubricants and fuels. Metal salts of these compounds are useful as lubricant additives. A process for making these compounds is disclosed.
    Type: Application
    Filed: June 16, 2003
    Publication date: July 1, 2004
    Inventors: David John Moreton, Rodney John McAtee
  • Publication number: 20040102335
    Abstract: Lubricating oils containing an additive formulation including at least one sulphonate, saligenin and salixarate detergent provide improved wear performance and decreased sulphur and phosphorus emissions.
    Type: Application
    Filed: November 25, 2002
    Publication date: May 27, 2004
    Applicant: The Lubrizol Corporation
    Inventors: Virginia A. Carrick, William D. Abraham, Gordon D. Lamb, R. Ian Wilby, James P. Roski
  • Publication number: 20040014618
    Abstract: A cyclic compound comprising m units of formula Ia and n units of formula (Ib) joined together to form a ring, wherein Y is a divalent bridging group which may be the same or different in each unit; R0 is H, a C1-C6 alkyl or a metal or ammonium cation; R5 is H or a C1-C6 alkyl; and j is 1 or 2; R3 is hydrogen, a hydrocarbyl or a hetero-substituted hydrocarbyl group; each of R1, R2 and R4, which may be the same or different, is hydroxyl, hydrogen, hydrocarbyl or hetero-substituted hydrocarbyl, with the proviso that at least one of R1, R2, R4 is hydroxyl, and m+n is 4 to 20, m is 1-8 and n is at least 3; and with the proviso that at least one of the conditions a) to e) below is satisfied: (a) the cyclic compound comprises at least one formula (Ia) unit in the form of a carboxylate anion, (b) the caclic compound comprises at least one formula (Ia) unit in the form of an alkaline earth metal or alkali metal carboxylate salt, (c) the cyclic compound comprises at least 2 units of formula (Ia) (d) the cyclic co
    Type: Application
    Filed: August 24, 2002
    Publication date: January 22, 2004
    Inventor: Spencer Edwin Taylor
  • Publication number: 20030195127
    Abstract: A perfluoropolyether hard disk lubricant having a UV curable functional end group that may be UV cured at a rapid rate with a Xenon excimer lamp. The perfluoropolyether preferably has at least one UV curable functional end group. In one embodiment, the UV curable end group comprises an acrylate.
    Type: Application
    Filed: December 12, 2002
    Publication date: October 16, 2003
    Inventors: Jianwei Liu, Michael J. Stirniman, Jing Gui
  • Publication number: 20030153471
    Abstract: The present invention relates, generally, to a high temperature stable mixed polyol ester lubricant composition partly containing an aromatic carboxylic acid ester and a process of making the same. Typically, the aromatic acid ester is benzoic acid, and the lubricant composition preferably comprises a mixture of linear C5, i-C9, and linear C7-10 aliphatic carboxylic acid. The esters are preferably formed from an aliphatic polyol. These mixed polyol esters are useful in aero-derived gas turbine engines.
    Type: Application
    Filed: November 25, 2002
    Publication date: August 14, 2003
    Inventors: Patrick E. Godici, Jeenok T. Kim, Martin A. Krevalis, Richard H. Schlosberg
  • Patent number: 6596038
    Abstract: The invention disclosed herein relates to linear compounds in the form of oligomers or polymers containing unsubstituted or substituted phenol units and unsubstituted or substituted salicylic acid units. These compounds are useful as additives for lubricants and fuels. Metal salts of these compounds are useful as lubricant additives. The process for making these compounds involves reacting phenol units and salicylic acid units in an organic solvent.
    Type: Grant
    Filed: March 9, 2001
    Date of Patent: July 22, 2003
    Assignee: The Lubrizol Corporation
    Inventors: David John Moreton, Rodney John McAtee
  • Patent number: 6583093
    Abstract: A cyclic compound comprising m units of the formula Ia: and n units of the formula (Ib): joined together to form a ring, wherein Y and Y2 are divalent bridging groups which may be the same or different in each unit; R0 is H or (C1-C6) alkyl or is a metal or ammonium cation; R5 is H or (C1-C60) alkyl or OH group; j is 1 or 2; R3 is hydrogen, a hydrocarbyl or a hetero-substituted hydrocarbyl group; each of R1, R2 and R4, which may be the same or different, is hydroxyl, hydrogen, hydrocarbyl or hetero-substituted hydrocarbyl, with the provisos that i) at least one of R1, R2, R4 is hydroxyl, and m+n is 4 to 20, m is 1-8 and n is at least 3, and ii) in formula Ia at least one OH group is in the meta or para position to the COOR0 group and/or at least one R5 group is OH.
    Type: Grant
    Filed: April 1, 2002
    Date of Patent: June 24, 2003
    Assignee: BP Oil International Limited
    Inventors: Spencer Edwin Taylor, Michael John Wilson
  • Publication number: 20020107153
    Abstract: A cyclic compound comprising m units of the formula Ia.
    Type: Application
    Filed: April 1, 2002
    Publication date: August 8, 2002
    Applicant: BP OIL INTERNATIONAL LIMITED
    Inventors: Spencer Edwin Taylor, Michael John Wilson
  • Publication number: 20020077254
    Abstract: A cyclic compound comprising m units of the formula Ia.
    Type: Application
    Filed: December 11, 2000
    Publication date: June 20, 2002
    Inventors: Spencer Edwin Taylor, Michael John Wilson
  • Patent number: 6399549
    Abstract: A cyclic compound comprising m units of the formula Ia. and n units of the formula (Ib) joined together to form a ring, wherein Y and y2 are divalent bridging groups which may be the same or different in each unit; Ro is H or (C1-C6) alkyl or is a metal or amnmonium cation; R5 is H or (C1-C60) alkyl or OH group; j is 1 or 2; R3 is hydrogen, a hydrocarbyl or a hetero-substituted hydrocarbyl group; each of R1, R2 and R4, which may be the same or different, is hydroxyl, hydrogen, hydrocarbyl or hetero-substituted hydrocarbyl, with the provisos that i) at least one of R1, R2, R4 is hydroxyl, and m +n is 4 to 20, m is 1-8 and n is at least 3, and ii) in formula Ia at least one OH group is in the meta or para position to the COORo group and/or at least one R5 group is OH.
    Type: Grant
    Filed: December 11, 2000
    Date of Patent: June 4, 2002
    Assignee: BP Oil International Limited
    Inventors: Spencer Edwin Taylor, Michael John Wilson
  • Patent number: 6200936
    Abstract: This invention relates to a cyclic compound comprising m units of formula (Ia) and n units of the formula (Ib) joined together to form a ring, wherein each Y is a divalent bridging group which may be the same or different in each unit; R0 is H or an alkyl group of 1 to 6 carbon atoms; R5 is H or an alkyl group of 1 to 60 carbon atoms; j is 1 or 2; R3 is hydrogen, a hydrocarbyl or a hetero-substituted hydorcarbyl group; either R1 is hydroxy and R2 and R4 are independently either hydrogen, hydrocarbyl or hetero-substituted hydrocarbyl, or R2 and R4 are hydroxyl and R1 is either hydrogen, hydrocarbyl or hetero-substituted hydrocarbyl; m is from 1 to 8; n is at least 3, and m +n is 4 to 20. This invention also relates to metal salts of the foregoing compound, especially overbased metal salts. The invention also relates to additive compositions, finished lubricating oil compositions and fuel compositions containing the foregoing compound or metal salt thereof.
    Type: Grant
    Filed: May 26, 1999
    Date of Patent: March 13, 2001
    Assignee: The Lubrizol Corporation
    Inventor: David John Moreton
  • Patent number: 5965495
    Abstract: A lubricating oil composition for internal combustion engines which comprises a base oil, (a) an ashless dispersant containing boron, (b) a metallic detergent, and optionally (c) at least one selected from a group consisting of esters of aromatic carboxylic acids having hydroxyl group and hydroxy compounds and compounds containing boron which are derived from the esters, wherein a ratio [B]/[M] of a content of boron [B] in the composition in % by weight to a total content of metals [M] derived from the detergent in the composition in % by weight is not less than 0.15, and a sulfated ash content in the composition is not more than 1.5% by weight. The lubricating oil composition has a low ash content, does not show adverse effects on the performance of apparatuses for exhaust gas treatment, and exhibits excellent resistance to coking and oxidation stability.
    Type: Grant
    Filed: September 15, 1997
    Date of Patent: October 12, 1999
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Masahisa Goto, Tomomi Miyaji
  • Patent number: 5854181
    Abstract: This invention relates to an automatic transmission oil composition and more particularly, to an automatic transmission oil composition to improve its physical properties such as low-temperature pour property, heat-oxidative stability and friction-adjusting capacity by adding some calcium salicylate compound, an detergent dispersant, to a common lubricant oil.
    Type: Grant
    Filed: November 26, 1997
    Date of Patent: December 29, 1998
    Assignee: Hyundai Motor Company
    Inventor: Gee Sik Na
  • Patent number: 5747433
    Abstract: A composition of about 2 to about 20 percent of a hydrogenated diene/vinyl aromatic block copolymer and a non-ionic surface active agent, soluble in said oil, comprising at least one ester or ether group, in a medium of oil of lubricating viscosity, exhibits reduced viscosity compared with comparable compositions without the surface active agent.
    Type: Grant
    Filed: July 15, 1996
    Date of Patent: May 5, 1998
    Assignee: The Lubrizol Corporation
    Inventors: Carmen V. Luciani, Richard M. Lange, Joseph G. Seebauer
  • Patent number: 5716911
    Abstract: Method of lubricating a rubbed surface with a gaseous phase lubricant including a monomer constituent dispersed in a carrier fluid, where the monomer constituent is capable of forming in situ a polymer film directly on rubbing surfaces but is not polymerized in the carrier fluid, such that wear and friction of the rubbed surface are effectively reduced.
    Type: Grant
    Filed: February 22, 1996
    Date of Patent: February 10, 1998
    Assignee: Virginia Tech Intellectual Property, Inc.
    Inventors: Michael J. Furey, Czeslaw Kajdas
  • Patent number: 5714441
    Abstract: An aviation turbine oil of reduced deposit forming tendencies and improved anti-oxidency is disclosed which comprises a major portion of a suitable aviation turbine oil base stock and a minor amount of a non-sulfur containing triazine derivation and a sulfur containing carboxylic acid.
    Type: Grant
    Filed: July 12, 1996
    Date of Patent: February 3, 1998
    Assignee: Exxon Research and Engineering Company
    Inventor: Paul Joseph Berlowitz