Patents by Inventor Kerstin Malmborg-Nyström

Kerstin Malmborg-Nyström 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).

  • Patent number: 7658819
    Abstract: The invention relates to a composition used for enhancing softness in paper products. The composition comprises (i) an oil, fat or wax (i) at least one non-ionic surfactant (iii) at least one anionic compound selected from anionic microparticles and anionic surfactants (iv) at least one polymer which is cationic, non-ionic or amphoteric wherein the non-ionic surfactant is added in an amount of from about 60 to about 1000 parts by weight per 100 parts by weight of the polymer. The invention also relates to a process for production of paper comprising adding said composition to a cellulosic suspension or to a wet or dry paper web.
    Type: Grant
    Filed: December 16, 2005
    Date of Patent: February 9, 2010
    Assignee: Akzo Nobel N.V.
    Inventors: Jonas Liesén, Arne Andersson, Kerstin Malmborg-Nyström
  • Patent number: 7604715
    Abstract: The invention relates to a papermaking process in which the static potential of the fibers/paper product can be controlled and reduced while enhancing the softness of the produced paper product. The papermaking process comprises adding to a suspension of cellulosic fibers: (i) a smectite clay (ii) at least one anionic compound selected from anionic microparticles and anionic surfactants (iii) at least one polymer which is cationic, non-ionic or amphoteric (iv) at least one non-ionic surfactant; and/or an oil, wax or fat.
    Type: Grant
    Filed: October 30, 2006
    Date of Patent: October 20, 2009
    Assignee: Akzo Nobel N.V.
    Inventors: Jonas Liesén, Kerstin Malmborg-Nyström