Patents by Inventor Helmut Loth

Helmut Loth 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: 10370570
    Abstract: A method for producing a silylated polyurethane that comprises the following steps: (1) reacting at least one polyether polyol having a number average molecular weight of at least 2,000 g/mol with at least one polyisocyanate in the presence of at least one solvent; (2) reacting the reaction product of step (1) with at least one silane of formula (I) A-R—SiXYZ (I), where A means —NH2 or —NHB, wherein B stands for a branched or linear alkyl radical with 1-12 C atoms, possibly having functional groups, a cyclic alkyl radical having 5-8 C atoms, or an aryl radical, R is a divalent hydrocarbon radical having 1-12 C atoms, and X, Y, Z are substituents on the Si atom and are independently of each other C1-C8 alkyl, C1-C8 alkoxy or C1-C8 acyloxy groups, wherein at least one of radicals X, Y, Z is a C1-C8 alkoxy or C1-C8 acyloxy group, in the presence of at least one solvent.
    Type: Grant
    Filed: June 17, 2015
    Date of Patent: August 6, 2019
    Assignee: Henkel AG & Co. KGaA
    Inventors: Lars Zander, Helmut Loth, Marc Pascal Burmeister, Rolf Tenhaef, Johann Klein, Jan-Erik Damke
  • Publication number: 20150284610
    Abstract: A method for producing a silylated polyurethane that comprises the following steps: (1) reacting at least one polyether polyol having a number average molecular weight of at least 2,000 g/mol with at least one polyisocyanate in the presence of at least one solvent; (2) reacting the reaction product of step (1) with at least one silane of formula (I) A-R—SiXYZ (I), where A means —NH2 or —NHB, wherein B stands for a branched or linear alkyl radical with 1-12 C atoms, possibly having functional groups, a cyclic alkyl radical having 5-8 C atoms, or an aryl radical, R is a divalent hydrocarbon radical having 1-12 C atoms, and X, Y, Z are substituents on the Si atom and are independently of each other C1-C8 alkyl, C1-C8 alkoxy or C1-C8 acyloxy groups, wherein at least one of radicals X, Y, Z is a C1-C8 alkoxy or C1-C8 acyloxy group, in the presence of at least one solvent.
    Type: Application
    Filed: June 17, 2015
    Publication date: October 8, 2015
    Inventors: Lars Zander, Helmut Loth, Marc Pascal Burmeister, Rolf Tenhaef, Johann Klein, Jan-Erik Damke
  • Publication number: 20080293872
    Abstract: The invention relates to chemically or physically curable compositions suitable as adhesives or sealants or coating materials, such compositions containing at least one binding agent selected from the group comprising crosslinkable or polymerizable monomers, prepolymers, or polymers, as well as at least one filler. The filler proportion is 0.2 to 70 wt % based on the total weight of the compositions, and at least a portion of the filler is made up of glass particles having a particle size from 100 nm to 20 ?m, which have been obtained by comminuting foamed neutral or alkaline glass.
    Type: Application
    Filed: May 12, 2008
    Publication date: November 27, 2008
    Inventors: Helmut Loth, Carsten Friese, Johann Klein, Oliver Schmidt
  • Publication number: 20080287574
    Abstract: The invention relates to chemically or physically curable compositions suitable as adhesives or sealants or coating materials, which compositions contain at least one binding agent selected from the group comprising crosslinkable or polymerizable monomers, prepolymers, or polymers, as well as at least one filler. The filler proportion is 0.2 to 70 wt % based on the total weight of the compositions, and at least a portion of the filler is made up of glass particles having a particle size from 100 nm to 20 ?m, which have been obtained by comminuting foamed neutral or acid glass.
    Type: Application
    Filed: May 12, 2008
    Publication date: November 20, 2008
    Inventors: Helmut Loth, Carsten Friese, Johann Klein, Oliver Schmidt
  • Publication number: 20080245476
    Abstract: The present disclosure provides a silane crosslinking adhesive, sealant or coating containing a polymer, consisting of an organic framework that supports at least two alkoxy or acyloxysilyl groups and at least one filler. The filler consists at least partially of a highly disperse silicic acid with a BET surface area of 35 to 65 m2/g and is present in the adhesive, sealant or coating in a quantity of 1 to 60% by weight, in relation to the total weight of said adhesive, sealant or coating. The disclosure also provides the use of the adhesive, sealant or coating for bonding plastics, metal, glass, ceramics, wood or wood-based material, paper, paper-based material, rubber and textiles.
    Type: Application
    Filed: November 9, 2006
    Publication date: October 9, 2008
    Applicant: Henkel AG & Co. KGaA
    Inventors: Helmut Loth, Oliver Schmidt, Jennifer Schmidt, Horst Beck, Markus Sumser
  • Patent number: 7071254
    Abstract: The present invention relates to a composition, and a method of preparing and using the same. The composition contains at least one water-soluble or water-dispersible polymer or combinations thereof, and one or more filler particles that includes WDP gypsum particles. The WDP gypsum particles are obtained from waste gas-desulphurization plants and have a particles size distribution mean diameter ranging from 13 ?m to 500 ?m. The composition is particularly useful as a surface coating, a surfacing compound, a sealing compound, an adhesive or a molding composition.
    Type: Grant
    Filed: November 10, 1999
    Date of Patent: July 4, 2006
    Assignee: Henkel Komanditgesellschaft Auf Aktien (Hendel KGAA)
    Inventors: Johann Klein, Gaby Schilling, Sabine Sipmann, Ralph Schuetze, Friedheim Koepnick, Helmut Loth, Klaus Helpenstein, Wolfgang Klauck, Claudia Mai
  • Patent number: 6828382
    Abstract: This invention relates to a jointing compound of an acrylate/acrylonitrile copolymer containing 2 to 8 carbon atoms in the alcohol component as binder and fatty compounds as plasticizer and also fillers and auxiliaries. Epoxystearic acid methyl ester in particular may be used as the fatty compound while a butyl acrylate/acrylonitrile copolymer in particular may be used as the acrylate/acrylonitrile copolymer. The combination of the two substances results in jointing compounds characterized by a dramatic improvement in elasticity (resilience). Accordingly, they are particularly suitable for substrates with different coefficients of thermal expansion.
    Type: Grant
    Filed: July 12, 2000
    Date of Patent: December 7, 2004
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Helmut Loth, Klaus Helpenstein, Wolfgang Klauck, Johann Klein, Lydia Duhm
  • Patent number: 6790903
    Abstract: The invention relates to a polymer dispersion containing water and at least 60 wt. % of an organic polymer which has at least one group of general formula (I) A—Si(Z)n(OH)3-n. The invention also relates to a composition containing at least one organic polymer which has at least one group of general formula (I), and at least one other organic polymer or a mixture of two or more other organic polymers.
    Type: Grant
    Filed: June 11, 2001
    Date of Patent: September 14, 2004
    Assignee: Henkel Kommanditgesellschaft auf Aktien (Henkel KGaA)
    Inventors: Martin Majolo, Wolfgang Klauck, Johann Klein, Wolfgang Ernst, Gaby Schilling, Helmut Loth
  • Patent number: 6726798
    Abstract: The invention relates to polystyrene binders modified by fatty compounds. The fatty compounds used are, in particular, esters of fatty acids or fatty alcohols, more especially triglycerides of higher fatty acids, preferably natural fats and oils. They may be added to the binder in high concentrations without adversely affecting the properties of the binder. However, their addition is of advantage in regard to the wetting properties, resistance to water and, above all, hardness. Dispersion adhesives, hotmelt adhesives and sealing compounds in particular can be improved with the binders according to the invention.
    Type: Grant
    Filed: February 11, 1998
    Date of Patent: April 27, 2004
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Kai Boege, Michael Dziallas, Klaus Helpenstein, Wolfgang Klauck, Johann Klein, Helmut Loth, Hartmut Urbath, Udo Windhoevel
  • Publication number: 20030188828
    Abstract: The invention relates to polystyrene binders modified by fatty compounds. The fatty compounds used are, in particular, esters of fatty acids or fatty alcohols, more especially triglycerides of higher fatty acids, preferably natural fats and oils. They may be added to the binder in high concentrations without adversely affecting the properties of the binder. However, their addition is of advantage in regard to the wetting properties, resistance to water and, above all, hardness. Dispersion adhesives, hotmelt adhesives and sealing compounds in particular can be improved with the binders according to the invention.
    Type: Application
    Filed: February 11, 1998
    Publication date: October 9, 2003
    Inventors: KAI BOEGE, MICHAEL DZIALLAS, KLAUS HELPENSTEIN, WOLFGANG KLAUCK, JOHANN KLEIN, HELMUT LOTH, HARTMUT URBATH, UDO WINDHOEVEL
  • Patent number: 5134180
    Abstract: Joint-sealing and coating compounds containing aqueous dispersions of polymers and copolymers, except for polyacrylates and acrylate copolymers, plasticizers and typical additives, such as pigments and the like, show excellent properties, particularly in regard to spreadability, smoothing behavior and resistance to spray water of uncured surfaces of these compounds providing they contain nonionic cellulose ethers selected from the group consisting of hydroxyethyl, hydorxyethyl-methyl, hydroxypropyl-methyl and hydroxypropyl cellulose having a Brookfield viscosity (2% aqueous solution at 20.degree. C.) of at least 3,000 mPa.s.
    Type: Grant
    Filed: October 19, 1990
    Date of Patent: July 28, 1992
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Helmut Loth, Klaus Helpenstein, Tore Podola, Bernhard Knop
  • Patent number: 5118731
    Abstract: Early-rain-resistant joint-sealing compounds containing;(a) aqueous polymer dispersions (I),(b) nonionic cellulose ethers (II) selected from the group consisting of hydroxyethyl, hydroxyethyl-methyl, hydroxypropyl-methyl and hydroxypropyl cellulose,(c) optionally typical additives, such as fillers, pigments, plasticizers, extenders, thickeners, foam inhibitors, dispersion aids, pH regulators, preservatives and anti-aging agents, and(d) at least one organic liquid component selected from the group of typical additives,which can be produced by thorough mixing of (I) with the other constituents. To be able to introduce (II) in quantities above the solubility limit, the joint-sealing compounds are characterized in that (II) is added and mixed in retarded and/or non-retarded form in suspension in the liquid organic component.
    Type: Grant
    Filed: October 19, 1990
    Date of Patent: June 2, 1992
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Helmut Loth, Klaus Helpenstein, Tore Podola, Bernhard Knop
  • Patent number: 5118732
    Abstract: Early-rain-resistant joint-sealing compounds containing(a) aqueous polymer dispersions (I),(b) nonionic cellulose ethers (II) selected from the group consisting of hydroxyethyl, hydroxyethyl-methyl, hydroxypropyl-methyl and hydroxypropyl cellulose, and(c) optionally typical additives, such as fillers, pigments, plasticizers, extenders, thickeners, foam inhibitors, dispersion aids, pH regulators, preservatives and anti-aging agents,which can be produced by thorough mixing of (I) with the other constituents. To be able to introduce (II) in quantities above the solubility limit, the joint-sealing compounds are characterized in that (II) is suspended in retarded form in small quantities of water and is added and intermixed after suspension.
    Type: Grant
    Filed: October 19, 1990
    Date of Patent: June 2, 1992
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Helmut Loth, Klaus Helpenstein, Tore Podola, Bernhard Knop
  • Patent number: 5118730
    Abstract: Early-rain-resistant joint-sealing compounds containing(a) aqueous polymer dispersions (I),(b) nonionic cellulose ethers (II) selected from the group consisting of hydroxyethyl, hydroxyethyl-methyl, hydroxypropyl-methyl and hydroxypropyl cellulose,(c) fillers, and(d) optionally typical additives, such as pigments, plasticizers, extenders, thickeners, foam inhibitors, dispersion aids, pH regulators, preservatives and anti-aging agents,which can be produced by thorough mixing of (I) with the other constituents. To be able to introduce (II) in quantities above the solubility limit, the joint-sealing compounds are characterized in that (II) is added and intermixed in retarded form in admixture with the fillers.
    Type: Grant
    Filed: October 19, 1990
    Date of Patent: June 2, 1992
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Helmut Loth, Klaus Helpenstein, Tore Podola, Bernhard Knop
  • Patent number: 5004769
    Abstract: Joint-sealing materials and coating materials which contain aqueous dispersions of polyacrylates or acrylate copolymers, plasticizers and the usual additives, such as pigments and the like, have excellent properties particularly with regard to brushability, smoothing behavior and wash-out resistance when they contain a nonionic cellulose ether selected from the group consisting of hydroxyethyl cellulose, hydroxyethyl-methyl cellulose, hydroxypropyl-methyl cellulose and hydroxypropyl cellulose having a Brookfield viscosity in a 2% aqueous solution at 20.degree. C. of at least 3000 mPa.s.
    Type: Grant
    Filed: April 24, 1989
    Date of Patent: April 2, 1991
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Helmut Loth, Klaus Helpenstein, Tore Podola, Bernhard Knop