Patents by Inventor Fran.cedilla.ois Delwel

Fran.cedilla.ois Delwel 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).

  • Detergent compositions and process for preparing them
    Patent number: 6025320
    Abstract: A non-spray-dried particulate detergent composition or component having a bulk density of at least 600 g/liter, prepared by mixing and granulating liquid and solid ingredients in a high-speed mixer/granulator, contains a builder polymer and/or a soil-release polymer. The polymer is incorporated during the mixing and granulation process in the form of a non-aqueous premix with a non-aqueous diluent.
    Type: Grant
    Filed: February 26, 1999
    Date of Patent: February 15, 2000
    Assignee: Lever Brothers Company
    Inventors: Peter Willem Appel, Fran.cedilla.ois Delwel, Johan Christiaan Klein-Velderman