Patents Represented by Attorney, Agent or Law Firm Smith, Gambreli & Russell, LLP
  • Process for continuous dry granulation of powered carbon black
    Patent number: 6231624
    Abstract: A process for continuous dry granulation of powdered carbon black. Granulation is performed with the assistance of a granulator. As a result, for comparable sized equipment, the carbon black throughput can be increased several times as compared with pelletizing drums used in the conventional manner.
    Type: Grant
    Filed: June 5, 1997
    Date of Patent: May 15, 2001
    Assignee: Degussa Huls AG
    Inventors: Conny Vogler, Karl Vogel, Jan Kopietz