Patents by Inventor Till Gerlack

Till Gerlack 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 for producing ethyleneamines
    Patent number: 7601875
    Abstract: Preparation of ethyleneamines by reacting monoethanolamine (MEOA) with ammonia in the presence of a catalyst in a reactor (1) and separating the resulting reaction product, where ethylenediamine (EDA) obtained in the separation is reacted in a separate reactor (2) in the presence of a catalyst to give diethylenetriamine (DETA), and the resulting reaction product is passed to the separation of the reaction product resulting from reactor 1.
    Type: Grant
    Filed: July 8, 2004
    Date of Patent: October 13, 2009
    Assignee: BASF Aktiengesellschaft
    Inventors: Matthias Frauenkron, Holger Evers, Johann-Peter Melder, Roderich Röttger, Markus Siegert, Till Gerlack, Jan Nouwen, Thomas Krug