Patents by Inventor Alfred Soentgerath

Alfred Soentgerath 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).

  • Coated sodium percarbonate particles, process for their production, their use and detergent compositions containing them
    Patent number: 8034758
    Abstract: Coated sodium percarbonate particles having a mean particle size of from 300 to 1600 ?m containing a sodium percarbonate core surrounded by at least one coating layer, the coating layer comprising at least one coating agent and small sodium percarbonate particles of a mean particle size smaller than 100 ?m. Process for the production of these particles by coating sodium percarbonate core particles with at least one coating agent and with small sodium percarbonate particles of a size smaller than 100 ?m. Use of these particles as bleaching agent in detergent compositions and detergent compositions containing them.
    Type: Grant
    Filed: June 28, 2005
    Date of Patent: October 11, 2011
    Assignee: SOLVAY (Societe Anonyme)
    Inventors: Alfred Soentgerath, Gerd Hecken, Juergen H. Rabe, Henk L. J. Venbrux
  • Sodium percarbonate stabilized by coating
    Patent number: 5346680
    Abstract: Sodium percarbonate particles stabilized by being coated with a solid coating material which contains a mixture of sodium carbonate and sodium chloride, optionally together with one or more auxiliary agents used in the manufacture of sodium percarbonate.
    Type: Grant
    Filed: October 18, 1993
    Date of Patent: September 13, 1994
    Assignee: Solvay Interox GmbH
    Inventors: Richard Roesler, Alfred Soentgerath, Werner Doetsch, Gerd Hecken