Patents by Inventor Frits Spijkman

Frits Spijkman 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: 9394182
    Abstract: Evaporative crystallization process to make salt compositions which comprises a step wherein a mother liquor is formed containing water and the salt to be crystallized and 1-5 ppm of an additive, based on the weight of the mother liquor, said additive being a water-soluble acrylic polymer, and a further step of evaporating the water to form crystallized salt.
    Type: Grant
    Filed: July 10, 2013
    Date of Patent: July 19, 2016
    Assignee: AKZO NOBEL CHEMICALS INTERNATIONAL B.V.
    Inventors: Frits Spijkman, Roberot Aloysius Gerardus Maria Bergevoet
  • Publication number: 20150191361
    Abstract: Evaporative crystallization process to make salt compositions which comprises a step wherein a mother liquor is formed containing water and the salt to be crystallized and 1-5 ppm of an additive, based on the weight of the mother liquor, said additive being a water-soluble acrylic polymer, and a further step of evaporating the water to form crystallized salt.
    Type: Application
    Filed: July 10, 2013
    Publication date: July 9, 2015
    Inventors: Frits Spijkman, Roberot Aloysius Gerardus Maria Bergevoet