Patents by Inventor Rudolf Strittmatter

Rudolf Strittmatter 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).

  • Hydrophobically coated abrasive grain
    Patent number: 5042991
    Abstract: The strength and water resistance of the binding of abrasive grain on the basis of corundum or silicon carbide into synthetic resin bonded abrasive agents is improved by a surface treatment with microdispersed hydrophobic silicon dioxide.
    Type: Grant
    Filed: March 12, 1990
    Date of Patent: August 27, 1991
    Assignee: Lonza Ltd.
    Inventors: Reiner Kunz, Rudolf Strittmatter