Patents Examined by Tekchand Seidha
  • Process for producing L-methionine &ggr;-lyase crystals
    Patent number: 6475767
    Abstract: A process for production of L-methionine &ggr;-lyase crystals by using polyethylene glycol, characterized by comprising the first step of warming a solution containing L-methionine &ggr;-lyase before or after addition of polyethylene glycol thereto and the second step of adding an inorganic salt.
    Type: Grant
    Filed: August 24, 1999
    Date of Patent: November 5, 2002
    Assignee: Shionogi & Co., Ltd.
    Inventors: Kensaku Akita, Tomoaki Takakura, Akio Takimoto, Takaomi Ito