Patents by Inventor Rüdiger Baum

Rüdiger Baum 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: 6361788
    Abstract: A biocide composition is provided as an addition to substances that can be infected by harmful microorganisms, in which the biocide composition has at least two active biocidal substances, one of which is 2-methylisothiazolin-3-one. The composition is characterized in that it contains 1,2-benzisothiazolin-3-one, compositions containing 5-chloro-2-methylisothiazolin-3-one being excluded. In comparison with its individual components, the composition of the invention has a synergistic biocidal activity.
    Type: Grant
    Filed: February 18, 2000
    Date of Patent: March 26, 2002
    Assignee: Thor Chemie GmbH
    Inventors: Dagmar Antoni-Zimmermann, Rüdiger Baum, Thomas Wunder, Hans-Jürgen Schmidt