Patents by Inventor Jens Kehrer

Jens Kehrer 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).

  • Publication number: 20220177410
    Abstract: The present invention relates to a process for preparing alkanolamines and ethyleneamines in the liquid phase, by reacting ethylene glycol and/or monoethanolamine with ammonia in the presence of an amination catalyst which is obtained by reducing a catalyst precursor, wherein the preparation of the catalyst precursor comprises a step a) in which a catalyst precursor comprising one or more catalytically active components of Sn, Cu and Ni, and a step b) in which the catalyst precursor prepared in step a) is contacted with a soluble Re compound.
    Type: Application
    Filed: February 26, 2020
    Publication date: June 9, 2022
    Inventors: Barbara BECKER, Thomas HEIDEMANN, Regine Helga BEBENSEE, Eva KOCH, Johann-Peter MELDER, Hermann LUYKEN, Claudia OEZKOZANOGLU, Jens KEHRER
  • Patent number: 8529869
    Abstract: The present invention relates to a hydroamination catalyst comprising boron beta zeolites, wherein the hydroamination catalyst is doped with lithium, and also a process for producing it. The present patent application further relates to a process for preparing amines by reaction of ammonia or primary or secondary amines with olefins at elevated temperatures and pressures in the presence of the hydroamination catalyst of the invention.
    Type: Grant
    Filed: April 19, 2010
    Date of Patent: September 10, 2013
    Assignee: BASF SE
    Inventors: Thomas Heidemann, Jens Kehrer
  • Publication number: 20120041236
    Abstract: The present invention relates to a hydroamination catalyst comprising boron beta zeolites, wherein the hydroamination catalyst is doped with lithium, and also a process for producing it. The present patent application further relates to a process for preparing amines by reaction of ammonia or primary or secondary amines with olefins at elevated temperatures and pressures in the presence of the hydroamination catalyst of the invention.
    Type: Application
    Filed: April 19, 2010
    Publication date: February 16, 2012
    Applicant: BASF SE
    Inventors: Thomas Heidemann, Jens Kehrer