Patents Assigned to Yki, Ytkemiska Institutet AB
  • Method for producing a nanocomposite dispersion comprising composite particles of inorganic nanoparticles and organic polymers
    Patent number: 9650536
    Abstract: The present invention relates to a method for producing nanocomposite dispersions comprising composite particles of inorganic nanoparticles and organic polymers in a continuous phase, especially in a dispersion medium, as well as to the nanocomposite dispersions thus obtained and to the use thereof.
    Type: Grant
    Filed: May 15, 2013
    Date of Patent: May 16, 2017
    Assignees: Akzo Nobel Coatings International B.V., BYK-Chemie GmbH, Energenics Europe Ltd., Universidad del Paris Vasco, YKI, Ytkemiska Institutet AB
    Inventors: Nils Erik Ronne, Melanie Hormann, Janin Tecklenburg, Carsten Nagel, Ulrich Nolte, Michael Berkei, Yingqian Xu, Jose Ramon Leiza, Yuri Reyes, Maria Paulis, Miren Aguirre Arrese, Anwar Ahniyaz, Andrea Fornara, Ninja Hanitzsch
  • Decomposing surfactant
    Patent number: 7160925
    Abstract: Use of a compound having a hydrophobic moiety attached to a hydrophilic moiety, wherein the hydrophilic moiety comprises a ?-keto acid group and the hydrophobic moiety is attached via a bond from a carbon or an oxygen of the hydrophobic moiety to a carbon of the ?-keto acid group, provided that the ?-carbon of the ?-keto acid group does not form part of a carboxyl or ester group, or a salt thereof, as a surfactant. A dispersion comprising said surfactant as a dispersing agent. A method for breaking a dispersion comprising said surfactant as a dispersing agent, said method comprising the steps of a) providing said dispersion at a temperature where it is substantially stable; and b) setting the temperature of said dispersion, so as to achieve a desired decomposition rate of the surfactant.
    Type: Grant
    Filed: May 4, 2004
    Date of Patent: January 9, 2007
    Assignee: Yki, Ytkemiska Institutet AB
    Inventor: Martin Andersson
  • Decomposing surfactant
    Publication number: 20050250861
    Abstract: Use of a compound having a hydrophobic moiety attached to a hydrophilic moiety, wherein the hydrophilic moiety comprises a ?-keto acid group and the hydrophobic moiety is attached via a bond from a carbon or an oxygen of the hydrophobic moiety to a carbon of the ?-keto acid group, provided that the ?-carbon of the ?-keto acid group does not form part of a carboxyl or ester group, or a salt thereof, as a surfactant. A dispersion comprising said surfactant as a dispersing agent. A method for breaking a dispersion comprising said surfactant as a dispersing agent, said method comprising the steps of a) providing said dispersion at a temperature where it is substantially stable; and b) setting the temperature of said dispersion, so as to achieve a desired decomposition rate of the surfactant.
    Type: Application
    Filed: May 4, 2004
    Publication date: November 10, 2005
    Applicant: YKI, Ytkemiska Institutet AB
    Inventor: Martin Andersson