Patents Assigned to Degussa Aktiengesellchaft
  • Stabilized metal-ion-activated L-arginase (L-arginine amidino hydrolase E.C.3.5.3.1)
    Patent number: 5554518
    Abstract: An arginase batch capable of producing ornithine with reduced consumption of enzyme. The arginase batch is stabilized by the addition of a reducing agent in at least a 10-fold molar amount relative to the arginase.
    Type: Grant
    Filed: October 17, 1994
    Date of Patent: September 10, 1996
    Assignee: Degussa Aktiengesellchaft
    Inventors: Andreas Bommarius, Karlheinz Drauz, Kyriakos Makryaleas
  • Apparatus for the catalytic conversion of waste gases
    Patent number: 5108717
    Abstract: Apparatus for the catalytic conversion of waste gases such as those which accumulate in the synthesis of vinyl chloride is presented in which the waste gases are successively treated at an elevated temperature with a catalyst for oxidative cracking and with a catalyst for oxidative afterburning.
    Type: Grant
    Filed: October 11, 1990
    Date of Patent: April 28, 1992
    Assignee: Degussa Aktiengesellchaft
    Inventors: Klaus Deller, Hans Moesinger, Herbert Mueller, Josef Riedel, Wenzel Kuehn, Rudolf Spielmannleitner