Patents by Inventor Jeannine Flueckiger

Jeannine Flueckiger 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).

  • Publication number: 20220195267
    Abstract: The present invention is a toughened one component epoxy adhesive composition demonstrating improved resistance to humidity. Wherein said one-part structural adhesive comprises: A) a blocked PU-polymer toughener compound; B) an epoxy resin component comprising a solid epoxy resin, a liquid epoxy resin, or mixture thereof; C) a curing agent; D) a urea compound; and E) optionally a filler, wherein the blocked PU-polymer toughener (A) is a reaction product of a reaction mixture comprising of: i) a polyether, ii) a hydroxyl-terminated polybutadiene, iii) a polyisocyanate, iv) a chain extender, and v) a capping group.
    Type: Application
    Filed: May 28, 2020
    Publication date: June 23, 2022
    Inventors: ANDREAS LUTZ, DANIEL SCHNEIDER, JEANNINE FLUECKIGER, FELIX KOCH
  • Patent number: 11034869
    Abstract: Epoxy adhesives include a latent curing agent, a reactive toughener having capped isocyanate groups, and certain urea compounds. The toughener is made by chain extending and capping a mixture of isocyanate-terminated prepolymers. The prepolymers include an isocyanate-terminated polyether and an isocyanate-terminated diene polymer. The adhesives have excellent wash-off resistance and excellent ability to adhere to oily substrates.
    Type: Grant
    Filed: July 23, 2020
    Date of Patent: June 15, 2021
    Assignee: DDP SPECIALTY ELECTRONIC MATERIALS US, LLC
    Inventors: Andreas Lutz, Daniel Schneider, Jeannine Flueckiger
  • Publication number: 20210130663
    Abstract: One-component epoxy adhesives containing a phosphorus-modified epoxy resin, a toughener and an epoxy resin that is neither rubber-modified nor phosphorus-modified. These adhesives are structural adhesives useful in automotive applications. They exhibit particularly good corrosion resistance.
    Type: Application
    Filed: July 20, 2018
    Publication date: May 6, 2021
    Applicant: DDP SPECIALTY ELECTRONICS MATERIALS US, INC.
    Inventors: Felix Koch, Andreas Lutz, Cathy Grossnickel, Jeannine Flueckiger
  • Publication number: 20210062054
    Abstract: Disclosed are one-component epoxy resin adhesive compositions which include (a) one or more non-rubber-modified epoxy resins; (b) one or more latent epoxy curing agents; (c) one or more toughening agents; and (d) zinc oxide nanoparticles. The one-component epoxy resin adhesive compositions exhibit improved toughness of the adhesive as measured by its lap shear strength as well as improved environmental stability, i.e., corrosion protection, by addition of the zinc oxide nanoparticles when applied to metal substrates.
    Type: Application
    Filed: December 7, 2018
    Publication date: March 4, 2021
    Inventors: FELIX KOCH, ANDREAS LUTZ, BEDA STEINER, CATHY GROSSNICKEL, JEANNINE FLUECKIGER
  • Publication number: 20200347279
    Abstract: Epoxy adhesives include a latent curing agent, a reactive toughener having capped isocyanate groups, and certain urea compounds. The toughener is made by chain extending and capping a mixture of isocyanate-terminated prepolymers. The prepolymers include an isocyanate-terminated polyether and an isocyanate-terminated diene polymer. The adhesives have excellent wash-off resistance and excellent ability to adhere to oily substrates.
    Type: Application
    Filed: July 23, 2020
    Publication date: November 5, 2020
    Inventors: Andreas Lutz, Daniel Schneider, Jeannine Flueckiger
  • Patent number: 10435600
    Abstract: An epoxy adhesive composition is provided that has superior wash-off resistance after pre-gelling, and may be used, for example, in manufacturing processes, for example, in the automobile industry. The composition also provides unique viscosity profile after pre-gelling to significantly reduce failure mode in subsequent processing steps. In preferred embodiments the adhesive composition comprises an epoxy type resin and a gelling agent selected from polyesterdiols and polyvinyl butyrals.
    Type: Grant
    Filed: March 19, 2015
    Date of Patent: October 8, 2019
    Assignee: DOW GLOBAL TECHNOLOGIES LLC
    Inventors: Andreas Lutz, Jeannine Flueckiger, Benjamin Alexander Haag, Regina Ditschuneit
  • Publication number: 20180334596
    Abstract: Epoxy adhesives include a latent curing agent, a reactive toughener having capped isocyanate groups, and certain urea compounds. The toughener is made by chain extending and capping a mixture of isocyanate-terminated prepolymers. The prepolymers include an isocyanate-terminated polyether and an isocyanate-terminated diene polymer. The adhesives have excellent wash-off resistance and excellent ability to adhere to oily substrates.
    Type: Application
    Filed: September 6, 2016
    Publication date: November 22, 2018
    Inventors: Andreas Lutz, Daniel Schneider, Jeannine Flueckiger
  • Publication number: 20170022402
    Abstract: An epoxy adhesive composition is provided that has superior wash-off resistance after pre-gelling, and may be used, for example, in manufacturing processes, for example, in the automobile industry. The composition also provides unique viscosity profile after pre-gelling to significantly reduce failure mode in subsequent processing steps. In preferred embodiments the adhesive composition comprises an epoxy type resin and a gelling agent selected from polyesterdiols and polyvinyl butyrals.
    Type: Application
    Filed: March 19, 2015
    Publication date: January 26, 2017
    Applicants: Dow Europe GmbH, Dow Deutschland Vertriebs GmbH & Co. OHG, The Dow Chemical Company
    Inventors: Andreas Lutz, Jeannine Flueckiger, Benjamin Alexander Haag, Regina Ditschuneit
  • Patent number: 7615595
    Abstract: The present invention relates to an epoxy adhesive composition comprising a) a first epoxy resin, b) a second epoxy resin modified with a copolymer based on a 1,3-diene and a polar, ethylenically unsaturated comonomer, c) a toughener and d) a polymer comprising a polyester segment, said polymer being at least partially crystalline at room temperature and having a softening temperature in the range of 40° to 125° C. The invention further relates to the use of such an epoxy adhesive composition for bonding parts of a vehicle without prehardening of the epoxy adhesive composition and to a vehicle, parts of which are bonded by the epoxy adhesive composition.
    Type: Grant
    Filed: May 27, 2005
    Date of Patent: November 10, 2009
    Assignee: Dow Global Technologies, Inc.
    Inventors: Andreas Lutz, Jeannine Flueckiger, Karsten Frick
  • Publication number: 20080045670
    Abstract: The present invention relates to an epoxy adhesive composition comprising a) a first epoxy resin, b) a second epoxy resin modified with a copolymer based on a 1,3-diene and a polar, ethylenically unsaturated comonomer, c) a toughener and d) a polymer comprising a polyester segment, said polymer being at least partially crystalline at room temperature and having a softening temperature in the range of 40° to 125° C. The invention further relates to the use of such an epoxy adhesive composition for bonding parts of a vehicle without prehardening of the epoxy adhesive composition and to a vehicle, parts of which are bonded by the epoxy adhesive composition.
    Type: Application
    Filed: May 27, 2005
    Publication date: February 21, 2008
    Inventors: Andreas Lutz, Jeannine Flueckiger, Karsten Frick