Patents by Inventor Juergen Finter

Juergen Finter 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: 9133376
    Abstract: A composition including at least one curable structural adhesive, and at least one chemically crosslinked elastomer on the bases of a silane-functional polymer, wherein the elastomer is in the form of an interpenetrating polymer network in the structural adhesive. The composition can be used to form a shape-memory material and is suitable for reinforcing cavities in structural components such as, for example, in automobile bodies.
    Type: Grant
    Filed: March 12, 2014
    Date of Patent: September 15, 2015
    Assignee: SIKA TECHNOLOGY AG
    Inventors: Rui Xu-Rabl, Matthias Gössi, Jürgen Finter
  • Publication number: 20150232710
    Abstract: A composition is described which includes A) a chain-extended prepolymer, which can be obtained from the reaction of a) a polymer containing at least one amino, thiol or hydroxyl group, b) at least one polyisocyanate and c) at least one alkoxylated bisphenol as chain extender, and optionally d) an epoxide compound containing a primary or secondary hydroxy group, said compound containing a primary or secondary hydroxyl group, or at least one epoxy resin A which contains this epoxide compound, and optionally B) an epoxy resin B. The composition is suitable as a toughener or as an A component of a 2k epoxy resin adhesive which contains this toughener. The adhesive is suitable particularly for bonding in windmills.
    Type: Application
    Filed: September 23, 2013
    Publication date: August 20, 2015
    Inventors: Ulrich Gerber, Jürgen Finter
  • Patent number: 9012575
    Abstract: The present invention relates to epoxy group-terminated polymers of the formula (I). Said epoxy group-terminated polymers are suited extremely well as impact resistance modifiers, particularly in epoxy resin compositions. They are particularly suited for use in heat-curing epoxy resin adhesives. It has been found that such epoxy resin compositions not only have excellent mechanical properties and high glass transition temperatures, but also above all improved impact resistance properties, both at room temperature and at low temperatures.
    Type: Grant
    Filed: March 20, 2008
    Date of Patent: April 21, 2015
    Assignee: Sika Technology AG
    Inventors: Jürgen Finter, Andreas Kramer
  • Patent number: 8952097
    Abstract: A composition including at least one curable structural adhesive, and at least one chemically cross-linked elastomer, wherein the chemically cross-linked elastomer is present in the structural adhesive as penetrating polymer network. Such a composition constitutes a so-called shape memory material and is suitable for reinforcing cavities in structural components, such as, for example, in automobile bodies.
    Type: Grant
    Filed: September 26, 2012
    Date of Patent: February 10, 2015
    Assignee: Sika Technology AG
    Inventors: Jürgen Finter, Matthias Gössi
  • Publication number: 20150017435
    Abstract: A composition including at least one curable structural adhesive, and at least one chemically crosslinked elastomer on the bases of a silane-functional polymer, wherein the elastomer is in the form of an interpenetrating polymer network in the structural adhesive. The composition can be used to form a shape-memory material and is suitable for reinforcing cavities in structural components such as, for example, in automobile bodies.
    Type: Application
    Filed: March 12, 2014
    Publication date: January 15, 2015
    Applicant: SIKA TECHNOLOGY AG
    Inventors: Rui XU-RABL, Matthias Gössi, Jürgen Finter
  • Publication number: 20150018500
    Abstract: An oligomeric condensation product can be obtained from at least one (hydroxymethyl)phenol of general formula (I), in which R1 is hydrogen or —CH3, R2 is —CH2OH, and R3 is hydrogen or —CH3, at least one polyamine, and optionally at least one phenol compound having two centres reactive by means of a reaction with the methylol groups of the (hydroxymethyl)phenol.
    Type: Application
    Filed: March 14, 2013
    Publication date: January 15, 2015
    Applicant: SIKA TECHNOLOGY AG
    Inventors: Ulrich Gerber, Jürgen Finter
  • Patent number: 8859695
    Abstract: A hem-curing epoxy resin composition, that includes an epoxy resin A having more than one epoxy group per molecule on average; a curing agent B for epoxy resins, which is activated at a temperature in a range of 100° C. to 220° C.; and an activator C for epoxy resin compositions, wherein activator C is a compound of formula (I), or is a reaction product between a compound of formula (Ia) and an isocyanate or an epoxide.
    Type: Grant
    Filed: May 29, 2013
    Date of Patent: October 14, 2014
    Assignee: Sika Technology AG
    Inventors: Karsten Frick, Ulrich Gerber, Juergen Finter, Andreas Kramer
  • Patent number: 8636870
    Abstract: A structural reinforcement material is provided that includes a base material selected from thermosets, low viscosity thermoplastics with short transition phases and low viscosities, low melting point metallic alloys, and combinations thereof. At STP, the structural reinforcement material is a solid or a formable dough or a mixture thereof. When heated to an activation temperature, the structural reinforcement material becomes flowable into a cavity. Following cooling, the structural reinforcement material is a solid or a thermoset with a strength sufficient to reinforce the cavity. A structural reinforcement insert comprising the structural reinforcement material is also provided, as is a reinforced cavity of an automobile and a method of reinforcing a cavity.
    Type: Grant
    Filed: April 3, 2012
    Date of Patent: January 28, 2014
    Assignee: Sika Technology AG
    Inventors: Vincent Belpaire, Dominique Mellano, Norman Blank, Juergen Finter
  • Publication number: 20130253094
    Abstract: A hem-curing epoxy resin composition, that includes an epoxy resin A having more than one epoxy group per molecule on average; a curing agent B for epoxy resins, which is activated at a temperature in a range of 100° C. to 220° C.; and an activator C for epoxy resin compositions, wherein activator C is a compound of formula (I), or is a reaction product between a compound of formula (Ia) and an isocyanate or an epoxide.
    Type: Application
    Filed: May 29, 2013
    Publication date: September 26, 2013
    Applicant: SIKA TECHNOLOGY AG
    Inventors: Karsten FRICK, Ulrich GERBER, Juergen FINTER, Andreas KRAMER
  • Publication number: 20130230726
    Abstract: The disclosure relates to the field of two-component epoxy resin compositions and to the use thereof as a repair adhesive, in particular in vehicle manufacturing. The two-component epoxy resin compositions according to the disclosure contain a curing component K2, which comprises between 1 and 10 wt. % of an amino group-terminated polyamide B, together with an epoxy resin component K1. The compositions show that the impact resistance is highly increased while an acceptable sheer strength is simultaneously retained.
    Type: Application
    Filed: August 31, 2012
    Publication date: September 5, 2013
    Applicant: SIKA TECHNOLOGY AG
    Inventors: Karsten FRICK, Jürgen Finter, Andreas Kramer, Ulrich Gerber
  • Publication number: 20130225723
    Abstract: A condensation product of at least one (hydroxymethyl)phenol and at least one polyoxyalkylene diamine and a process for the preparation thereof and the use thereof in the curing of epoxy resin systems are described.
    Type: Application
    Filed: November 10, 2011
    Publication date: August 29, 2013
    Applicant: SIKA TECHNOLOGY AG
    Inventors: Juergen Finter, Ulrich Gerber, Edis Kasemi, Andreas Kramer
  • Publication number: 20130037213
    Abstract: The present disclosure relates to impact strength modifiers, the derivative products thereof, and the use thereof in producing two-component epoxy resin compositions. The disclosure in particular relates to amino group terminated impact strength modifiers prepared by reacting a polyurethane prepolymer having isocyanate groups, a primary diamine, and optionally at least one Michael acceptor. The two-component epoxy resin compositions thus formulated are characterized by a great increase in impact strength while retaining an acceptable tensile shear strength. The impact strength modifiers according to the disclosure and the epoxy resin compositions comprising same are in particular suitable for vehicle manufacturing.
    Type: Application
    Filed: September 4, 2012
    Publication date: February 14, 2013
    Applicant: Sika Technology AG
    Inventors: Karsten FRICK, Jürgen FINTER, Andreas KRAMER, Ulrich GERBER
  • Publication number: 20130034736
    Abstract: A composition, including at least one curable structural adhesive, and at least one thermoplastic elastomer, wherein the thermoplastic elastomer is present in the structural adhesive as penetrating polymer network. Such a composition constitutes a so-called shape memory material and is suitable for reinforcing cavities in structural components, such as, for example, in automobile bodies.
    Type: Application
    Filed: September 26, 2012
    Publication date: February 7, 2013
    Applicant: SIKA TECHNOLOGY AG
    Inventors: Matthias GÖSSI, Jürgen FINTER
  • Publication number: 20120207986
    Abstract: A structural reinforcement material is provided that includes a base material selected from thermosets, low viscosity thermoplastics with short transition phases and low viscosities, low melting point metallic alloys, and combinations thereof. At STP, the structural reinforcement material is a solid or a formable dough or a mixture thereof. When heated to an activation temperature, the structural reinforcement material becomes flowable into a cavity. Following cooling, the structural reinforcement material is a solid or a thermoset with a strength sufficient to reinforce the cavity. A structural reinforcement insert comprising the structural reinforcement material is also provided, as is a reinforced cavity of an automobile and a method of reinforcing a cavity.
    Type: Application
    Filed: April 3, 2012
    Publication date: August 16, 2012
    Applicant: SIKA TECHNOLOGY AG
    Inventors: Vincent BELPAIRE, Dominique MELLANO, Norman BLANK, Juergen FINTER
  • Patent number: 8202920
    Abstract: Discussed are heat-curable epoxy resin compositions containing at least one epoxy resin with, on average, more than one epoxide group per molecule, at least one curing agent for epoxy resins, which is activated by an increased temperature and at least one terminally blocked polyurethane prepolymer. Said epoxy resin compositions are particularly suitable for use as one-component, heat-curable adhesives and are characterized by excellent mechanical properties, high glass transition temperatures and high impact resistance.
    Type: Grant
    Filed: October 24, 2007
    Date of Patent: June 19, 2012
    Assignee: Sika Technology AG
    Inventors: Andreas Kramer, Juergen Finter
  • Publication number: 20120055631
    Abstract: Heat-curable epoxy resin compositions and the use thereof, for example, in motor vehicle construction and sandwich panel construction, are disclosed. Exemplary heat-curable epoxy resin compositions include, in addition to epoxy resin components A1, optionally A2, a hardener component B, a carboxylic acid C and a hydroxyalkylamide or hydroxyalkylurea H, an accelerator E for activation of the conversion of components A1, A2 and B. The compositions and the structural foams produced therefrom are notable for high mechanical strength, high glass strength and good adhesion capacity on metallic and nonmetallic substrates, and it is possible at the same time to dispense with the use of toxic or inflammable blowing agents.
    Type: Application
    Filed: September 2, 2011
    Publication date: March 8, 2012
    Applicant: SIKA TECHNOLOGY AG
    Inventors: Jürgen FINTER, Elyes Jendoubi
  • Patent number: 8114519
    Abstract: Derivatized solid epoxy resins of the formula (I), which are outstandingly suitable as impact modifiers; and compositions which include such derivatized solid epoxy resins and are outstandingly suitable as one-component heat-curable adhesives, and as structural foams which have a high impact resistance and high mechanical stability.
    Type: Grant
    Filed: October 24, 2007
    Date of Patent: February 14, 2012
    Assignee: Sika Technology AG
    Inventors: Andreas Kramer, Juergen Finter
  • Patent number: 8076424
    Abstract: The present invention relates to compositions which contain at least one epoxide adduct A having on average more than one epoxide group per molecule, at least one polymer B of the formula (I), at least one thixotropic agent C, based on a urea derivative in a nondiffusing carrier material, and at least one curing agent D for epoxy resins, which is activated by elevated temperature. This composition serves in particular as an adhesive and has an extremely high dynamic resistance to cleavage, in particular at low temperatures. The invention furthermore relates to impact strength modifiers terminated with epoxide groups and of the formula (I). It has been found that these novel impact strength modifiers result in a significant increase in impact strength in epoxy resin compositions, in particular in two-component epoxy resin compositions.
    Type: Grant
    Filed: July 16, 2004
    Date of Patent: December 13, 2011
    Assignee: Sika Technology AG
    Inventors: Andreas Kramer, Jürgen Finter, Ulrich Gerber
  • Patent number: 8071217
    Abstract: Discussed are heat-curable epoxy resin compositions containing at least one epoxy resin A with, on average, more than one epoxide group per molecule, at least one curing agent B for epoxy resins, which is activated by an increased temperature, at least one terminally blocked polyurethane prepolymer of formula (I) and at least one epoxide-terminated polyurethane prepolymer of formula (II). The epoxy resin compositions are particularly suitable for use as one-component, heat-curable adhesives and are characterized by excellent mechanical properties, high glass transition temperatures and high impact resistance.
    Type: Grant
    Filed: October 24, 2007
    Date of Patent: December 6, 2011
    Assignee: Sika Technology AG
    Inventors: Andreas Kramer, Juergen Finter, Urs Rheinegger, Jan Olaf Schulenburg
  • Patent number: 8062468
    Abstract: The invention relates to compositions containing at least one solid epoxide resin A, at least one polymer B of formula (1), at least one thixotropic agent C made from a urea derivative and at least one curing agent for epoxide resins D activated by high temperatures. The compositions are particularly suitable for use as adhesives. Low-temperature impact-resistant adhesives can be produced for use in particular as structural adhesives.
    Type: Grant
    Filed: July 5, 2006
    Date of Patent: November 22, 2011
    Assignee: Sika Technology AG
    Inventors: Jürgen Finter, Andreas Kramer, Jan Olaf Schulenburg, Urs Rheinegger