Patents by Inventor Hans-Peter Schueller

Hans-Peter Schueller 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).

  • Process for the preparation of stabilized aliphatic diperoxydicarboxylic acids
    Patent number: 5030381
    Abstract: Stabilized diperoxydicarboxylic acids are prepared in which diperoxydicarboxylic acids are mixed with sodium sulfate produced in the process to yield improved diperoxydicarboxylic acid granules having good chemical stability despite a high impurity content, safe handling, low bulk density and high abrasion resistance.
    Type: Grant
    Filed: June 2, 1989
    Date of Patent: July 9, 1991
    Assignee: Huels Aktiengesellschaft
    Inventors: Frank Zimmermann, Thomas Jostmann, Hans-Peter Schueller, Klaus Engel