Patents by Inventor Karl-Christoph Scherhag

Karl-Christoph Scherhag 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).

  • Low-residue high-extraction production of sodium dichromate
    Patent number: 5482690
    Abstract: The invention relates to a process for the low-waste production of sodium dichromate from the mineral chromite with simultaneous recovery of low-carbon ferrochromium.
    Type: Grant
    Filed: January 6, 1995
    Date of Patent: January 9, 1996
    Assignee: Bayer Aktiengesellschaft
    Inventor: Karl-Christoph Scherhag