Patents by Inventor Michael Messerschmidt

Michael Messerschmidt 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).

  • Method of stabilizing aldehydes
    Patent number: 6137013
    Abstract: A method of stabilizing aliphatic C.sub.3 -C.sub.14 -aldehydes against polymerization and autocondensation by the addition of alkaline substances to the aldehydes wherein the alkaline substances used are alkali metal hydroxides, alkaline earth metal hydroxides, alkali metal carbonates, alkaline earth metal carbonates or alkali metal carboxylates which are added to the aldehyde to be stabilized in amounts of 0.05-20 ppm, based on the aldehyde.
    Type: Grant
    Filed: December 15, 1998
    Date of Patent: October 24, 2000
    Assignee: Celanese GmbH
    Inventors: Michael Riedel, Wolfgang Zgorzelski, Michael Messerschmidt, Klaus Bergrath