Patents by Inventor Kasper Hallenberger

Kasper Hallenberger 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 preparing fluorosulfonic acid having low contents of low-boiling compounds
    Patent number: 6673329
    Abstract: The invention relates to a novel process for preparing fluorosulfonic acid having low contents of low-boiling compounds in which hydrogen fluoride and sulfur trioxide are combined in stoichiometric amounts in a reaction vessel or by means of a reaction nozzle, the hot, gaseous fluorosulfonic acid that is formed is fed directly into a distillation column, and the fluorosulfonic acid is taken off at the bottom of the column or in the stripping section of the distillation column.
    Type: Grant
    Filed: June 20, 2001
    Date of Patent: January 6, 2004
    Assignee: Bayer Aktiengesellschaft
    Inventors: Andreas Bulan, Michael Batz, Dieter Heinz, Kasper Hallenberger