Patents by Inventor Monika Reiss

Monika Reiss 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 removing trioxane from an aqueous mixture
    Patent number: 5766424
    Abstract: A process for removing trioxane from a liquid mixture containing trioxane, water and formaldehyde, which includes distilling the liquid mixture in a first distillation stage at a low pressure, distilling the resulting distillate in a second distillation stage at a higher pressure and taking off trioxane as bottom product.
    Type: Grant
    Filed: July 17, 1996
    Date of Patent: June 16, 1998
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Dieter Arnold, Bernhard Hierholzer, Karl-Friedrich Muck, Monika Reiss, Peter Richter, Hans-Dietmar Schnabel, Hubert Wloch