Patents Assigned to Global Bio-Chem Technology Group Company Limited
  • Recombinant microorganism and method for producing L-lysine
    Patent number: 8268597
    Abstract: The present invention provides methods of producing L-lysine at a high yield using an Escherichia bacterium, especially E. coli, comprising a wild type or variant dapA gene of B. subtilis. The invention also provides related recombinant Escherichia bacteria, especially E. coli, for use to produce L-lysine.
    Type: Grant
    Filed: March 2, 2009
    Date of Patent: September 18, 2012
    Assignee: Global Bio-Chem Technology Group Company Limited
    Inventors: Sheng Yang, He Huang, Dehui Wang
  • Separation of diols from a mixture comprising diols and polyols
    Patent number: 7893305
    Abstract: The present invention relates to a process for separation of diols from a mixture comprising diols and polyols, for example, from a reaction mixture obtained from hydrogenolysis of sorbitol. In particular, the present invention relates to separation of diols from the mixture using a combination of a wiped-film evaporator and a molecular evaporator to obtain diols in a high yield.
    Type: Grant
    Filed: June 10, 2009
    Date of Patent: February 22, 2011
    Assignee: Global Bio-Chem Technology Group Company Limited
    Inventors: Jing Liu, Hongbin Qi, Zhouwen Xu