Patents by Inventor Michael Sojka

Michael Sojka 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).

  • Process for the preparation of vicinal diols and/or epoxides
    Patent number: 5344946
    Abstract: The present invention provides a process for the preparation of vicinal diols and/or epoxides by the oxidation of olefinically-unsaturated compounds with the use of an inorganic heptavalent rhenium compound as catalyst and of hydrogen peroxide as oxidation agent, wherein the reaction is carried out in a solvent selected from the group consisting of organic phosphoric acid esters and ethers with a boiling point above 50.degree. C. under atmospheric conditions.
    Type: Grant
    Filed: May 20, 1993
    Date of Patent: September 6, 1994
    Assignee: Solvay Interox GmbH
    Inventors: Siegfried Warwel, Mark R. Klaas, Michael Sojka