Patents by Inventor Pauliina Sjögård

Pauliina Sjögård 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).

  • A method of removing volatile compounds from a lignin-containing material, use of a distillation method, and a lignin-containing material
    Publication number: 20230023359
    Abstract: According to an example aspect of the present invention, there is provided a method of removing volatile compounds from a lignin-containing material, the method comprising: providing a material comprising lignin and volatile compounds; treating the material by a distillation method in order to vaporize at least a part of the volatile compounds.
    Type: Application
    Filed: December 18, 2020
    Publication date: January 26, 2023
    Inventors: Outi Poukka, Katja Salmenkivi, Lauri Pehu-Lehtonen, Pauliina Sjögård, Tarja Tamminen, Tiina Liitiä, Taina Ohra-aho
  • Method for producing oxidized lignin in kraft pulp mill
    Publication number: 20220120035
    Abstract: According to an example aspect of the present invention, there is provided a method for producing an oxidised lignin based high performance surface active agent in techno-economically feasible manner within kraft pulp mill without interfering the main process.
    Type: Application
    Filed: January 31, 2020
    Publication date: April 21, 2022
    Inventors: Lauri Pehu-Lehtonen, Pauliina Sjögård, Outi Poukka, Katariina Kemppainen, Anna Kalliola, Tiina Liitiä, Tapio Vehmas