Patents by Inventor Herman Josef Feise

Herman Josef Feise 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 metering superabsorbents
    Patent number: 8371475
    Abstract: Superabsorbents are metered by a process using a screw conveyor, wherein the superabsorbent is selected, or treated with a cohesion control agent, to have an unconfined yield strength of from 0.75 to 1.5 kPa at consolidation stress of 6 kPa.
    Type: Grant
    Filed: September 12, 2008
    Date of Patent: February 12, 2013
    Assignee: BASF SE
    Inventors: Norbert Herfert, Herman Josef Feise, Hanno Rüdiger Wolf