Patents by Inventor Diana Martinez Wichtel

Diana Martinez Wichtel 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).

  • Segmented copolymer composition with improved properties
    Patent number: 10450420
    Abstract: The present invention relates to a segmented block copolymer composition based on diblock and/or triblock copolymers of vinyl aromatic monomer and hydrogenated butadiene blocks and thermoplastic polyurethane blocks which are linearly bonded by N or O atoms, and its procedure of obtainment based on reactive extrusion. Furthermore, the present invention relates to a thermoplastic composition, a laminate structure and a polyurethane foam, with improved properties, comprising the segmented block copolymer composition.
    Type: Grant
    Filed: February 12, 2016
    Date of Patent: October 22, 2019
    Assignee: DYNASOL ELASTÓMEROS, S.A.
    Inventors: Luis Serrano Aviles, Diana Martinez Wichtel, Luisa María Fraga Trillo
  • SEGMENTED COPOLYMER COMPOSITION WITH IMPROVED PROPERTIES
    Publication number: 20180265643
    Abstract: The present invention relates to a segmented block copolymer composition based on diblock and/or triblock copolymers of vinyl aromatic monomer and hydrogenated butadiene blocks and thermoplastic polyurethane blocks which are linearly bonded by N or O atoms, and its procedure of obtainment based on reactive extrusion. Furthermore, the present invention relates to a thermoplastic composition, a laminate structure and a polyurethane foam, with improved properties, comprising the segmented block copolymer composition.
    Type: Application
    Filed: February 12, 2016
    Publication date: September 20, 2018
    Applicant: DYNASOL ELASTÓMEROS, S. A.
    Inventors: Luis Serrano Aviles, Diana Martinez Wichtel, Luisa María Fraga Trillo
  • Hydrogenated alkenyl aromatic-diene copolymers containing comonomers having silyl hydride units and their functionalized analogs
    Patent number: 9238765
    Abstract: The present invention relates primarily to polymers comprising at least one alkenyl aromatic monomer, at least one conjugated diene monomer, and at least one monomer containing silyl hydride moieties, characterized in that said polymers are hydrogenated and preferably functionalized by hydrosilylation reactions between the silyl hydride groups on the polymer chain and the multiple bonds of any alkene or alkyne compound. Besides the described products, this invention comprises their synthesis processes and their uses, especially as thermofusible adhesives, in plastics impact modification, and in chain-extension reactions to obtain new materials, among others.
    Type: Grant
    Filed: February 29, 2012
    Date of Patent: January 19, 2016
    Assignees: DYNASOL ELASTOMEROS, S.A., THE UNIVERSITY OF AKRON
    Inventors: Sergio Corona Galvan, Diana Martinez Wichtel, Luis Serrano Aviles, Montserrat Fernandez Munoz, Roderic P. Quirk, Vijay Chavan, Jonathan Janoski
  • HYDROGENATED ALKENYL AROMATIC-DIENE COPOLYMERS CONTAINING COMONOMERS HAVING SILYL HYDRIDE UNITS AND THEIR FUNCTIONALIZED ANALOGS
    Publication number: 20150175854
    Abstract: The present invention relates primarily to polymers comprising at least one alkenyl aromatic monomer, at least one conjugated diene monomer, and at least one monomer containing silyl hydride moieties, characterized in that said polymers are hydrogenated and preferably functionalized by hydrosilylation reactions between the silyl hydride groups on the polymer chain and the multiple bonds of any alkene or alkyne compound. Besides the described products, this invention comprises their synthesis processes and their uses, especially as thermofusible adhesives, in plastics impact modification, and in chain-extension reactions to obtain new materials, among others.
    Type: Application
    Filed: February 29, 2012
    Publication date: June 25, 2015
    Applicants: THE UNIVERSITY OF AKRON, DYNASOL ELASTOMEROS, S.A.
    Inventors: Sergio Corna Galvan, Diana Martinez Wichtel, Luis Serrano Aviles, Montserrat Fernandez Munoz, Roderic P. Quirk, Vijay Chavan, Jonathan Janoski