Patents by Inventor Gero Braun

Gero Braun 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: 4946561
    Abstract: The invention relates to a process for obtaining trioxane from aqueous solutions by high-pressure extraction using an extracting agent which is in the form either of a gas in the supercritical state or of a liquid gas. An intermediate separation is advantageous, especially in the former case.The trioxane can be obtained in high concentration and with a saving of energy by the process according to the invention.
    Type: Grant
    Filed: June 6, 1985
    Date of Patent: August 7, 1990
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Gero Braun, Karlheinz Burg, Karl-Friedrich Muck