Patents Assigned to Evonik Treibacher GmbH
  • Method for producing encapsulated sodium percarbonate particles
    Patent number: 8945671
    Abstract: A process for producing coated sodium percarbonate particles by spray application of a sodium sulfate-containing aqueous solution onto sodium percarbonate particles in a fluidized bed and simultaneous evaporation of water, wherein sodium sulfate and sodium percarbonate-containing dust is used to prepare the sodium sulfate-containing aqueous solution.
    Type: Grant
    Filed: November 20, 2008
    Date of Patent: February 3, 2015
    Assignee: Evonik Treibacher GmbH
    Inventors: Stefan Leininger, Michael Scheibe, Harald Jakob