Patents by Inventor Ladislaus Meszaros

Ladislaus Meszaros has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 9540558
    Abstract: The invention relates to an engine coolant composition, and a method of increasing the operational life of a coolant composition in an engine, wherein an isononanoic acid is incorporated into the generally glycol based coolant fluid in place of nitrous acid or its salt to reduce pitting corrosion on iron containing surfaces, and one or more hydroxybenzoic acids are incorporated.
    Type: Grant
    Filed: December 17, 2015
    Date of Patent: January 10, 2017
    Assignee: Ashland Licensing and Intellectual Property, LLC
    Inventors: David E. Turcotte, Ladislaus Meszaros, David F. Embaugh, Gefei Wu
  • Patent number: 9328278
    Abstract: The invention relates to an engine coolant composition, and a method of increasing the operational life of a coolant composition in an engine, wherein an isononanoic acid is incorporated into the generally glycol based coolant fluid in place of nitrous acid or its salt to reduce pitting corrosion on iron containing surfaces.
    Type: Grant
    Filed: June 12, 2013
    Date of Patent: May 3, 2016
    Assignee: Ashland Licensing and Intellectual Property LLC
    Inventors: David E. Turcotte, Ladislaus Meszaros, David F. Embaugh, Gefei Wu
  • Publication number: 20160102234
    Abstract: The invention relates to an engine coolant composition, and a method of increasing the operational life of a coolant composition in an engine, wherein an isononanoic acid is incorporated into the generally glycol based coolant fluid in place of nitrous acid or its salt to reduce pitting corrosion on iron containing surfaces, and one or more hydroxybenzoic acids are incorporated.
    Type: Application
    Filed: December 17, 2015
    Publication date: April 14, 2016
    Inventors: David E. Turcotte, Ladislaus Meszaros, David F. Embaugh, Gefei Wu
  • Publication number: 20140366817
    Abstract: The invention relates to an engine coolant composition, and a method of increasing the operational life of a coolant composition in an engine, wherein an isononanoic acid is incorporated into the generally glycol based coolant fluid in place of nitrous acid or its salt to reduce pitting corrosion on iron containing surfaces.
    Type: Application
    Filed: June 12, 2013
    Publication date: December 18, 2014
    Inventors: David E. Turcotte, Ladislaus Meszaros, David F. Embaugh, Gefei Wu
  • Patent number: 7419618
    Abstract: An antifreeze concentrate for cooling systems in fuel-cell drives which gives ready-to-use aqueous coolant compositions having a conductivity of at most 50 ?S/cm, based on alkylene glycols or derivatives thereof and containing one or more five-membered heterocyclic compounds (azole derivatives) having 2 or 3 hetero atoms from the group consisting of nitrogen and sulfur, which contain no or at most one sulfur atom and which may carry a fused aromatic or saturated six-membered ring.
    Type: Grant
    Filed: June 8, 2006
    Date of Patent: September 2, 2008
    Assignee: BASF Aktiengesellschaft
    Inventors: Bernd Wenderoth, Stefan Dambach, Ladislaus Meszaros, Uwe Fidorra
  • Patent number: 7419617
    Abstract: Methods for cooling a fuel cell include providing in a fuel cell coolant system an aqueous fuel cell coolant composition having an initial electrical conductivity of at most 50 ?S/cm. The fuel cell coolant compositions include an alkylene glycol and water solution, and an additive consisting of one or more five membered heterocyclic compounds (azole derivatives) having 2 or 3 heteroatoms selected from the group consisting of nitrogen and sulfur, which contain no or at most one sulfur atom and which may carry a fused aromatic or saturated six-membered ring, and an orthosilicate in an amount to provide a silicon content of from 2 to 2000 ppm by weight.
    Type: Grant
    Filed: October 20, 2005
    Date of Patent: September 2, 2008
    Assignee: BASF Aktiengesellschaft
    Inventors: Bernd Wenderoth, Stefan Dambach, Ladislaus Meszaros, Uwe Fidorra
  • Patent number: 7393464
    Abstract: The invention relates to antifreeze concentrates for cooling systems in fuel cell drives, from which are produced ready-to-use aqueous cooling agent compositions having a maximum conductivity of 50 ?s/cm, based on alkylene glycols or the derivatives thereof, and containing orthosilicic acid esters of formula (I) wherein the variables R1 to R4 are the same or different and represent C1-C20 alkyl substituents, C2-C20 alkenyl substituents, C1-C20 hydroxyalkyl substituents, optionally substituted C6-C12 aryl substituents and/or glycol ether substituents of formula (CH2—CH2—O)n—R5 wherein R5 represents hydrogen or C1-C5 alkyl and n represents a number between 1 and 5
    Type: Grant
    Filed: December 14, 2001
    Date of Patent: July 1, 2008
    Assignee: BASF Aktiengesellschaft
    Inventors: Bernd Wenderoth, Ladislaus Meszaros, Stefan Dambach, Uwe Fidorra, Marco Bergemann
  • Patent number: 7371334
    Abstract: An antifreeze concentrate for cooling systems in fuel-cell drives which gives ready-to-use aqueous coolant compositions having a conductivity of at most 50 ?S/cm, based on alkylene glycols or derivatives thereof and containing one or more five-membered heterocyclic compounds (azole derivatives) having 2 or 3 hetero atoms from the group consisting of nitrogen and sulfur, which contain no or at most one sulfur atom and which may carry a fused aromatic or saturated six-membered ring.
    Type: Grant
    Filed: June 6, 2002
    Date of Patent: May 13, 2008
    Assignee: BASF Aktiengesellschaft
    Inventors: Bernd Wenderoth, Stefan Dambach, Ladislaus Meszaros, Uwe Fidorra
  • Publication number: 20080017828
    Abstract: The present invention relates to aqueous coolants having vapor-space corrosion inhibiting properties, in particular for the run-in phase of internal combustion engines, after which the coolant is drained (engine run-in fluids), containing at least one ammonium salt of phthalic acid monoamides of the following formula (I), where R1 and R2 may be identical or different and are hydrogen or a linear or branched, cyclic or acyclic C1-C2o-alkyl radical and A+ is an ammonium cation.
    Type: Application
    Filed: July 24, 2007
    Publication date: January 24, 2008
    Applicant: BASF Aktiengesellschaft
    Inventors: Bernd WENDEROTH, Ladislaus Meszaros, Stefan Dambach, Hubert Rehberger, Christian Wulff
  • Publication number: 20060264337
    Abstract: A brake fluid comprises a) from 10 to 50, preferably from 20 to 40, % by weight of diethylene glycol and/or dipropylene glycol and b) from 50 to 90, preferably from 60 to 80, % by weight of one or more monoalkyl ethers of (poly)ethylene glycol and/or (poly)propylene glycol. The novel fluids are in particular free of borate and, owing to the low hygroscopicity, are suitable for use in regions of high relative humidity.
    Type: Application
    Filed: March 11, 2004
    Publication date: November 23, 2006
    Inventors: Bernd Wenderoth, Bayram Aydin, Michael Roida, Ralf Strauss, Ladislaus Meszaros, Herbert Matzkait
  • Publication number: 20060219975
    Abstract: An antifreeze concentrate for cooling systems in fuel-cell drives which gives ready-to-use aqueous coolant compositions having a conductivity of at most 50 ?S/cm, based on alkylene glycols or derivatives thereof and containing one or more five-membered heterocyclic compounds (azole derivatives) having 2 or 3 hetero atoms from the group consisting of nitrogen and sulfur, which contain no or at most one sulfur atom and which may carry a fused aromatic or saturated six-membered ring.
    Type: Application
    Filed: June 8, 2006
    Publication date: October 5, 2006
    Applicant: BASF Aktiengesellschaft
    Inventors: Bernd Wenderoth, Stefan Dambach, Ladislaus Meszaros, Uwe Fidorra
  • Publication number: 20060192174
    Abstract: An antifreeze concentrate for cooling systems in fuel-cell drives which gives ready-to-use aqueous coolant compositions having a conductivity of at most 50 ?S/cm, based on alkylene glycols or derivatives thereof and containing one or more five-membered heterocyclic compounds (azole derivatives) having 2 or 3 hetero atoms from the group consisting of nitrogen and sulfur, which contain no or at most one sulfur atom and which may carry a fused aromatic or saturated six-membered ring.
    Type: Application
    Filed: March 30, 2006
    Publication date: August 31, 2006
    Applicant: BASF Aktiengesellschaft
    Inventors: Bernd Wenderoth, Stefan Dambach, Ladislaus Meszaros, Uwe Fidorra
  • Publication number: 20060180793
    Abstract: A heat transfer liquid concentrate comprises, in addition to at least one glycol, a) from 0.05 to 10, preferably from 0.1 to 5, % by weight of one or more aliphatic amines of the formula (I), ?where R1 to R3 may be identical or different and are hydrogen, optionally branched C1-C9-alkyl or C1-C9-hydroxyalkyl, b) from 0.005 to 3, preferably from 0.01 to 1, % by weight of one or more silicates which may have been stabilized, c) from 0 to 3% by weight of one or more corrosion inhibitors selected from the group consisting of the hydrocarbon-triazoles and of the hydrocarbon-thiazoles, d) from 0 to 5% by weight of one or more alkali metal, ammonium or substituted ammonium molybdates and e) from 0 to 1% by weight of one or more polymeric hard water stabilizers. The concentrates, if required after prior dilution with water, are particularly suitable for use in solar plants in which a heat transfer liquid is in direct contact with the glass of the solar plant.
    Type: Application
    Filed: January 21, 2004
    Publication date: August 17, 2006
    Inventors: Bernd Wenderoth, Claudius Kormann, Horst Zollner, Ladislaus Meszaros, Frank Hillerns
  • Publication number: 20060033074
    Abstract: An antifreeze concentrate for cooling systems in fuel-cell drives which gives ready-to-use aqueous coolant compositions having a conductivity of at most 50 ?S/cm, based on alkylene glycols or derivatives thereof and containing one or more five-membered heterocyclic compounds (azole derivatives) having 2 or 3 hetero atoms from the group consisting of nitrogen and sulfur, which contain no or at most one sulfur atom and which may carry a fused aromatic or saturated six-membered ring.
    Type: Application
    Filed: October 20, 2005
    Publication date: February 16, 2006
    Applicant: BASF Aktiengesellschaft
    Inventors: Bernd Wenderoth, Stefan Dambach, Ladislaus Meszaros, Uwe Fidorra
  • Publication number: 20050040362
    Abstract: The present invention relates to aqueous coolants having vapor-space corrosion inhibiting properties, in particular for the run-in phase of internal combustion engines, after which the coolant is drained (engine run-in fluids), containing at least one ammonium salt of phthalic acid monoamides of the following formula (I), where R1 and R2 may be identical or different and are hydrogen or a linear or branched, cyclic or acyclic C1-C20-alkyl radical and A+ is an ammonium cation.
    Type: Application
    Filed: January 16, 2003
    Publication date: February 24, 2005
    Inventors: Bernd Wenderoth, Ladislaus Meszaros, Stefan Dambach, Hubert Rehberger, Christian Wulff
  • Patent number: 6818147
    Abstract: Antifreeze concentrates based on alkylene glycols or derivatives thereof or on glycerol, comprising from 0.0005 to 0.1% by weight of the dye C.I. Reactive Violet 5 (Color Index No. 18097), based on the total amount of the concentrate.
    Type: Grant
    Filed: October 2, 2003
    Date of Patent: November 16, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Bernd Wenderoth, Ladislaus Meszaros, Uwe Nitzschke, Stefan Dambach
  • Patent number: 6783693
    Abstract: Hydraulic fluids, in particular brake fluids for motor vehicles, comprising from 0.01 to 50 wt % of one or more cyclic carboxylates, or cyclic carboxamides, which can carry a linear or branched C1-bis C20 alkyl group on the nitrogen atom.
    Type: Grant
    Filed: October 18, 2001
    Date of Patent: August 31, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Bayram Aydin, Uwe Fidorra, Arthur Höhn, Ladislaus Meszaros, Jan Nouwen, Knut Oppenländer, Michael Roida, Michael Stösser, Bernd Wenderoth
  • Publication number: 20040129920
    Abstract: An antifreeze concentrate for cooling systems in fuel-cell drives which gives ready-to-use aqueous coolant compositions having a conductivity of at most 50 &mgr;S/cm, based on alkylene glycols or derivatives thereof and containing one or more five-membered heterocyclic compounds (azole derivatives) having 2 or 3 hetero atoms from the group consisting of nitrogen and sulfur, which contain no or at most one sulfur atom and which may carry a fused aromatic or saturated six-membered ring.
    Type: Application
    Filed: November 12, 2003
    Publication date: July 8, 2004
    Inventors: Bernd Wenderoth, Stefan Dambach, Ladislaus Meszaros, Uwe Fidorra
  • Publication number: 20040119044
    Abstract: Antifreeze concentrates based on alkylene glycols or derivatives thereof or on glycerol, comprising from 0.0005 to 0.1% by weight of the dye C.I. Reactive Violet 5 (Colour Index No. 18097), based on the total amount of the concentrate.
    Type: Application
    Filed: October 2, 2003
    Publication date: June 24, 2004
    Inventors: Bernd Wenderoth, Ladislaus Meszaros, Uwe Nitzschke, Stefan Dambach
  • Publication number: 20040029754
    Abstract: The invention relates to aqueous coolants with wet chamber corrosion inhibiting properties, for the running-in phase of internal combustion engines, after which the coolant is run off, comprising at least one ammonium salt of an optionally substituted C1-C4 mono- or di-carboxylic acid.
    Type: Application
    Filed: June 18, 2003
    Publication date: February 12, 2004
    Inventors: Bernd Wenderoth, Ladislaus Meszaros, Uwe Nitzschke, Marco Bergemann