Patents by Inventor Hans Schwarzer

Hans Schwarzer 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).

  • Patent number: 4548708
    Abstract: A process is provided for substantially complete elimination of hydrogen sulphide from the organic phase of natural gas, crude oil or mixtures thereof, by reaction with aqueous hydrogen peroxide in the absence of any catalyst or organic compounds or of compounds that yield them at a pressure of at least 90 kPa gage. The process is particularly useful with crude materials as they are pumped directly from the earth.
    Type: Grant
    Filed: December 1, 1982
    Date of Patent: October 22, 1985
    Assignee: Peroxid-Chemie GmbH
    Inventors: Hans Schwarzer, Werner Meisel