Patents by Inventor Karl Kleinhenz

Karl Kleinhenz 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).

  • Vacuum separation of mixtures with similar boiling points
    Patent number: 4056444
    Abstract: This invention relates to the use of a heat pump in combination with a column having a low pressure loss for separating mixtures with similar boiling points in a vacuum of 10 Torr up to normal pressure. By using this arrangement,it is possible to separate isomers in particular, saving heat in relation to normal distillation.
    Type: Grant
    Filed: April 2, 1975
    Date of Patent: November 1, 1977
    Assignee: Bayer Aktiengesellschaft
    Inventors: Bodo Weicht, Karl Kleinhenz