Patents by Inventor Hermann Hover

Hermann Hover 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 production of olefins
    Patent number: 5639937
    Abstract: The instant invention relates to a process for the production of olefins from plastic waste, which comprises adjustment of a desired viscosity by thermal pretreatment of plastic waste in a temperature range of 350.degree. to 550.degree. C. and thermal treatment of the product obtained by the thermal pretreatment in a temperature range of 700.degree. to 1100.degree. C.
    Type: Grant
    Filed: January 12, 1994
    Date of Patent: June 17, 1997
    Assignee: RWE, Entsorgung Aktiengesellschaft
    Inventors: Hermann Hover, Hartmut Hammer