Patents by Inventor Bernhard Leeners

Bernhard Leeners 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).

  • Processes for the preparation of low dust, limited particle size distribution, surfactant granules
    Patent number: 6881359
    Abstract: Processes for preparing surfactant granules, wherein the processes comprise: (a) passing a water-containing surfactant preparation through a casting plate, wherein the casting plate vibrates, such that droplets of the preparation are formed; and (b) contacting the droplets with a gaseous drying agent; are described.
    Type: Grant
    Filed: January 17, 2001
    Date of Patent: April 19, 2005
    Assignee: Cognis Deutschland GmbH & Co. KG
    Inventors: Bernhard Leeners, Udo Steinberner, Bernd Fabry
  • Method for producing surfactant granulates
    Publication number: 20030102584
    Abstract: Processes for preparing surfactant granules, wherein the processes comprise: (a) passing a water-containing surfactant preparation through a casting plate, wherein the casting plate vibrates, such that droplets of the preparation are formed; and (b) contacting the droplets with a gaseous drying agent; are described.
    Type: Application
    Filed: October 28, 2002
    Publication date: June 5, 2003
    Inventors: Bernhard Leeners, Udo Steinberner, Bernd Fabry