Patents by Inventor Reinhard Herbert Witt

Reinhard Herbert Witt 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: 6074983
    Abstract: The invention is directed to an unsintered spherical adsorbent particle composition having high mechanical strength and controlled pore size distribution, comprising finely divided silica hydrogel particles bonded together with a silica or metal oxide sol.
    Type: Grant
    Filed: December 2, 1998
    Date of Patent: June 13, 2000
    Inventors: Mahlon Robert Derolf, Leonard Harris Smiley, Reinhard Herbert Witt
  • Patent number: 5998329
    Abstract: The invention is directed to an unsintered spherical adsorbent particle composition having high mechanical strength and controlled pore size distribution, comprising finely divided silica hydrogel particles bonded together with a silica or metal oxide sol.
    Type: Grant
    Filed: June 30, 1997
    Date of Patent: December 7, 1999
    Assignee: Bio-Technical Resources
    Inventors: Mahlon Robert Derolf, Leonard Harris Smiley, Reinhard Herbert Witt