Patents by Inventor Bernard Hentschel

Bernard Hentschel 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: 4749771
    Abstract: The invention relates to a process for introducing gases into liquids, a stirred kettle being used which has the form of a cylindrical vessel in which the length/diameter ratio should be at least 1. The stirred kettle is filled to a level of more than 70% with the liquid into which gas is to be introduced, the gas feed rate is adapted to the absorption capacity of the liquid, and the stirrer speed is adjusted such that the largest coherent gas space amounts, as a maximum, to 10% of the volume of the stirred kettle.
    Type: Grant
    Filed: September 30, 1986
    Date of Patent: June 7, 1988
    Assignee: Chemische Werke Huls Aktiengesellschaft
    Inventors: Franz-Michael Bollenrath, Martin Bartmann, Bernard Hentschel