Patents by Inventor Günther Sättler

Günther Sättler 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).

  • Chromatography column
    Patent number: 6877363
    Abstract: The invention relates to a chromatography column for high-pressure liquid chromatography, which can be provided with different connection systems, such as a cartridge retaining device or a reducing screw. The column tube (1, 11) of the inventive chromatography column has an external thread (4,18) at each end and at least one groove (3,14).
    Type: Grant
    Filed: August 30, 2001
    Date of Patent: April 12, 2005
    Assignee: Merck Patent GmbH
    Inventors: Günther Sättler, Hans-Dieter Pohl
  • Thin porous layers for thin-layer chromatography
    Patent number: 6395178
    Abstract: Novel separation materials for thin layer chromatography are disclosed; these consist of a support and a separation medium layer and are obtainable by the following process steps: a) cleaning of the support; b) application of a liquid film comprising a polysilicic ester to a support; c) introduction of the support with the liquid film into an atmosphere which effects hydrolysis and further polymerization of the polysilicic ester; d) hydrolysis and further polymerization of the polysilicic ester at constant temperature; e) washing of the silica layer; f) drying of the silica layer. The silica gel surface of the separation material of the invention can be modified by means of separation effectors.
    Type: Grant
    Filed: August 4, 2000
    Date of Patent: May 28, 2002
    Assignee: Merck Patent Gesellschaft mit beschrankter Haftung
    Inventors: Heinz-Emil Hauck, Rolf Eymann, Günther Sättler