Patents by Inventor Jurgen Helberg

Jurgen Helberg 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 purifying waste water
    Patent number: 4052301
    Abstract: Extraction waste water produced upon the polymerization of olefins, which contains titanium and aluminum compounds and which is adjusted to a pH varying from 4.5 to 9.5. Hereby titanium and aluminum hydroxides occur in an easily precipitating state.
    Type: Grant
    Filed: July 15, 1975
    Date of Patent: October 4, 1977
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Rainer Klein, Jurgen Helberg