Patents by Inventor Byoung-Chan Jeon

Byoung-Chan Jeon 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).

  • Patent number: 7304154
    Abstract: The present invention relates to an economic synthetic method of 2-deoxy-L-ribose with easy reaction, separation and purification. The present invention consists of four (4) steps including protection, activation of 3- and 4-OH groups, inversion and deprotection steps. In respect to the cost for equipment, reagent and operation, by the present invention, 2-deoxy-L-ribose can be produced more economically because the invention uses 2-deoxy-L-ribose which is abundant in nature and easily synthesized from D-glucose and adopt simple and yielding process.
    Type: Grant
    Filed: July 15, 2003
    Date of Patent: December 4, 2007
    Assignee: Samchully Pharm. Co., Ltd.
    Inventors: Jae-Sung Kang, Mi-Hong Yun, Sang-Dae Lee, Byoung-Chan Jeon, Jeong-Ah Shin
  • Publication number: 20050176950
    Abstract: The present invention relates to a economic synthetic method of 2-deoxy-L-ribose from 2-deoxy-D-ribose with easy reaction, separation and purification. The present invention consists of four (4) steps including protection, activation 3-and 4-OH groups, inversion and deprotection step. In respect to the cost for equipment, reagent and operation, by the present invention, 2-deoxy-L-ribose can be produced more economically because the invention uses 2-deoxy-L-ribose which is abundant in nature and easily synthesized from D-glucose, and adopt simple and yielding process.
    Type: Application
    Filed: July 15, 2003
    Publication date: August 11, 2005
    Inventors: Jae-Sung Kang, Mi-Hong Yun, Sang-Dae Lee, Byoung-Chan Jeon, Jeong-Ah Shin