Patents by Inventor Thomas Wildt

Thomas Wildt 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).

  • Oligomerization of olefins
    Patent number: 5177282
    Abstract: Olefins are oligomerized by passing a hydrocarbon feedstock mixture containing olefins of from 2 to 8 carbon atoms over a molecular sieve having a pore diameter of from greater than 4 angstroms to 15 angstroms, and then oligomerizing said olefins by passing the hydrocarbon feedstock over a nickel-containing catalyst at a temperature of from 0.degree.to 200.degree. C. and at a pressure of from 1 to 70 bar absolute.
    Type: Grant
    Filed: April 4, 1990
    Date of Patent: January 5, 1993
    Assignee: Huels Aktiengesellschaft
    Inventors: Franz Nierlich, Joachim Neumeister, Thomas Wildt, Wilhelm Droste, Fritz Obenaus
  • Process for low level desulfurization of hydrocarbons
    Patent number: 5146039
    Abstract: A hydrocarbon containing sulfides, disulfides, trisulfides, tetrasulfides or mixtures can be desulfurized by contacting the hydrocarbon with a zeolite containing copper, silver, zinc or mixtures thereof.
    Type: Grant
    Filed: November 6, 1990
    Date of Patent: September 8, 1992
    Assignee: Huels Aktiengesellschaft
    Inventors: Thomas Wildt, Franz Nierlich, Wilhelm Droste, Joachim Neumeister, Bernhard Scholz