Patents by Inventor Nils Wallnäs

Nils Wallnäs 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).

  • Halogen-free decorative homogeneous surface coverings
    Patent number: 11254835
    Abstract: Halogen-free decorative surface covering compositions comprising a polymer blend, the polymer blend comprising: a) at least one thermoplastic elastomer, the thermoplastic elastomer being a block copolymer comprising hard and soft sequences, wherein the hard sequence is a (co)polymer of one or more vinyl aromatic monomer(s) and wherein the soft sequence is a (co)polymer of one or more alkylene(s) or of a mixture of one or more alkylene(s) and one or more vinylaromatic monomers; b) at least one thermoplastic polyurethane.
    Type: Grant
    Filed: October 1, 2020
    Date of Patent: February 22, 2022
    Assignee: Tarkett GDL
    Inventors: Helena Johansson, Roland Karlsson, Stefan Karlsson, Nils Wallnäs
  • HALOGEN-FREE DECORATIVE HOMOGENEOUS SURFACE COVERINGS
    Publication number: 20210017416
    Abstract: Halogen-free decorative surface covering compositions comprising a polymer blend, the polymer blend comprising: a) at least one thermoplastic elastomer, the thermoplastic elastomer being a block copolymer comprising hard and soft sequences, wherein the hard sequence is a (co)polymer of one or more vinyl aromatic monomer(s) and wherein the soft sequence is a (co)polymer of one or more alkylene(s) or of a mixture of one or more alkylene(s) and one or more vinylaromatic monomers; b) at least one thermoplastic polyurethane.
    Type: Application
    Filed: October 1, 2020
    Publication date: January 21, 2021
    Applicant: Tarkett GDL
    Inventors: Helena Johansson, Roland Karlsson, Stefan Karlsson, Nils Wallnäs
  • Halogen-Free Decorative Homogeneous Surface Coverings
    Publication number: 20180291229
    Abstract: Halogen-free decorative surface covering compositions comprising a polymer blend, the polymer blend comprising: a) at least one thermoplastic elastomer, the thermoplastic elastomer being a block copolymer comprising hard and soft sequences, wherein the hard sequence is a (co)polymer of one or more vinyl aromatic monomer(s) and wherein the soft sequence is a (co)polymer of one or more alkylene(s) or of a mixture of one or more alkylene(s) and one or more vinylaromatic monomers; b) at least one thermoplastic polyurethane.
    Type: Application
    Filed: May 17, 2016
    Publication date: October 11, 2018
    Inventors: Helena Johansson, Roland Karlsson, Stefan Karlsson, Nils Wallnäs