Patents by Inventor Lisa Wikström

Lisa Wikström 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: 20240336756
    Abstract: The disclosure concerns a polymer foam comprising cellulose acetate propionate and a second polymer selected from a group several polymers, and at least one nucleating agent and the foam is manufactured by using at least one blowing agent. Furthermore, an article, a method and use related thereto are described.
    Type: Application
    Filed: November 28, 2022
    Publication date: October 10, 2024
    Inventors: Upi ANTTILA, Martta ASIKAINEN, Tommi VUORINEN, Tomi NYMAN, Teijo ROKKONEN, Lisa WIKSTRÖM
  • Patent number: 11466142
    Abstract: The present invention concerns a cellulose based composition for manufacturing a film or foil, which composition comprises at least one selected from the group consisting of cellulose acetate butyrate, cellulose acetate propionate and ethyl cellulose, together with tall oil fatty acid ester, as well as a manufacturing method thereof. The invention also concerns packaging film comprising the composition and use of the composition.
    Type: Grant
    Filed: April 23, 2018
    Date of Patent: October 11, 2022
    Assignee: WOODLY OY
    Inventors: Jaakko Kaminen, Marko Parkkinen, Laura Kela, Tommi Vuorinen, Harri Setälä, Kari Kammiovirta, Lisa Wikström, Upi Anttila
  • Publication number: 20200199332
    Abstract: The present invention concerns a cellulose based composition for manufacturing a film or foil, which composition comprises at least one selected from the group consisting of cellulose acetate butyrate, cellulose acetate propionate and ethyl cellulose, together with tall oil fatty acid ester, as well as a manufacturing method thereof. The invention also concerns packaging film comprising the composition and use of the composition.
    Type: Application
    Filed: April 23, 2018
    Publication date: June 25, 2020
    Applicant: Woodly Oy
    Inventors: Jaakko KAMINEN, Marko PARKKINEN, Laura KELA, Tommi VUORINEN, Harri SETÄLÄ, Kari KAMMIOVIRTA, Lisa WIKSTRÖM, Upi ANTTILA
  • Patent number: 10449694
    Abstract: The present invention concerns a process for producing a thermoformable porous web using a mixture of cellulosic fibers and one or more thermoplastic materials, particularly by foam forming said mixture into a composite foam, and applying the foam into one or more layers on a support to obtain a porous pre-form web. The thus produced porous composite web can be further processed by compression molding to give a rigid high-strength composite structure, which is suitable for use in producing, e.g. panels or plates, packages or hygiene products, insulators or filters, or printed intelligence, electronics or microcellulose products.
    Type: Grant
    Filed: October 9, 2014
    Date of Patent: October 22, 2019
    Assignee: Teknologian tutkimuskeskus VTT Oy
    Inventors: Antti Ojala, Kalle Nättinen, Lisa Wikström, Hannu Minkkinen, Petri Jetsu, Jani Lehmonen, Karita Kinnunen, Tuomo Hjelt
  • Publication number: 20160229088
    Abstract: The present invention concerns a process for producing a thermoformable porous web using a mixture of cellulosic fibres and one or more thermoplastic materials, particularly by foam forming said mixture into a composite foam, and applying the foam into one or more layers on a support to obtain a porous pre-form web. The thus produced porous composite web can be further processed by compression moulding to give a rigid high-strength composite structure, which is suitable for use in producing, e.g. panels or plates, packages or hygiene products, insulators or filters, or printed intelligence, electronics or microcellulose products.
    Type: Application
    Filed: October 9, 2014
    Publication date: August 11, 2016
    Inventors: Antti Ojala, Kalle Nättinen, Lisa Wikström, Hannu Minkkinen, Petri Jetsu, Jani Lehmonen, Karita Kinnunnen, Tuomo Hjelt
  • Patent number: 7901595
    Abstract: The invention relates to an electrically conductive elastomer mixture and to a method. The mixture comprises a thermoplastic styrene elastomer and, as an electrically conductive filler, metal-containing particles. The mixture further comprises a polymer which is an acid-grafted, acid-anhydride-grafted or acid-copolymer and which forms an IPN (Interpenetrating Polymer Network) network structure with the styrene elastomer.
    Type: Grant
    Filed: March 21, 2007
    Date of Patent: March 8, 2011
    Assignee: Premix Oy
    Inventors: Taisto Vilkman, Mikko Karttunen, Lisa Wikström
  • Publication number: 20070246246
    Abstract: The invention relates to an electrically conductive elastomer mixture and to a method. The mixture comprises a thermoplastic styrene elastomer and, as an electrically conductive filler, metal-containing particles. The mixture further comprises a polymer which is an acid-grafted, acid-anhydride-grafted or acid-copolymer and which forms an IPN (Interpenetrating Polymer Network) net-work structure with the styrene elastomer.
    Type: Application
    Filed: March 21, 2007
    Publication date: October 25, 2007
    Applicant: PREMIX OY
    Inventors: Taisto Vilkman, Mikko Karttunen, Lisa Wikstrom