Patents Assigned to Sasol Germany GmbH
  • Device for bringing solid bodies in the form of pourable pieces into contact with liquids and possibly gases
    Patent number: 6428757
    Abstract: The instant invention relates to an apparatus for contacting solids in the form of flowable lumps with liquids and, optionally, gases, particularly for producing aluminum alcoholates by reacting aluminum with an excess of an aliphatic C3 to C10 alcohol, wherein solids charged to a reactor from the top are contacted in a spouted bed with liquid or a mixture of liquids and a rotary grate is provided for holding at least temporarily the aluminum lumps in the form of ingot off-cuts.
    Type: Grant
    Filed: May 4, 1999
    Date of Patent: August 6, 2002
    Assignee: SASOL Germany GmbH
    Inventor: Gert Albert
  • Method for producing metal-free Guerbet alcohols
    Patent number: 6419797
    Abstract: There is provided a process for producing Guerbet alcohols not containing any heavy metals or soaps, wherein primary and/or secondary alcohols having 2 to 30 carbon atoms are condensed at elevated temperature in the presence of alkaline catalysts and/or heavy metal catalysts while eliminating the reaction water, and the reaction product is immediately separated by distillation without any additional purification.
    Type: Grant
    Filed: February 11, 2000
    Date of Patent: July 16, 2002
    Assignee: Sasöl Germany GmbH
    Inventors: Erich Scherf, Hans-Jürgen Letsch, Clemens Schröder, Albert Thomas Herrmann