Patents by Inventor Chan H. Won

Chan H. Won 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).

  • Method for production of L-phenylalanine by recombinant E. coli
    Patent number: 5304475
    Abstract: A novel E. coli (KCCM 10,013) which can produce high yields of L-phenylalanine and a method for production of L-phenylalanine by recombinant E. coli which may be transformed with a novel plasmid pMW16 containing two promoters and a temperature-sensitive repressor for expressing a pheA gene and an aroF gene wherein chorismate mutase p-prephenate dehydratase is coded for by the pheA gene and 3-deoxy-D-arabinoheptulosonate.7-phosphate synthase is coded for by the aroF gene.
    Type: Grant
    Filed: March 12, 1992
    Date of Patent: April 19, 1994
    Assignee: Miwon Co., Ltd.
    Inventors: Hwa Y. Kim, Hong Rhym, Dong J. Lee, Chan H. Won, Byung L. Lim, Hong G. Choi
  • Method for production of L-phenylalanine by recombinant E. coli
    Patent number: 5008190
    Abstract: An E. coli which can produce phenylalanine and which has an optimum phenylalanine production capability at a temperature between 30.degree. C. and 35.degree. C., and a process for preparing L-phenylalanine by use of the novel E. coli. The novel E. coli is designated MWPEC 13-60 (ATCC 67459).
    Type: Grant
    Filed: November 13, 1987
    Date of Patent: April 16, 1991
    Assignee: Miwon Co., Ltd.
    Inventors: Sae Bae Lee, Chan H. Won, Chung Park, Bun S. Lim