Patents by Inventor Jong-Chol Cyong

Jong-Chol Cyong 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: 5166196
    Abstract: A composition for curing autoimmune diseases is disclosed. The composition comprises as an effective component an acidic heteropolysaccharide which is secreted by a callus induced from a plant belonging to the genus Polianthes L. The acidic heteropolysaccharide can be prepared as a uniform product by the application of plant tissue culture methods and exhibits superior capability of removing immunocomplexes with the least side effects.
    Type: Grant
    Filed: March 30, 1992
    Date of Patent: November 24, 1992
    Assignee: Kao Corporation
    Inventors: Kazuya Otsuji, Hakaru Inaoka, Yasuki Honda, Kikuhiko Okamoto, Morihisa Tanaka, Tsukasa Matsumoto, Koji Ijima, Jong-Chol Cyong
  • Patent number: 4761477
    Abstract: A 13-propylberberine salt, which is represented by the following general formula (I): ##STR1## wherein X.sup.- means HSO.sub.4 or H.sub.2 PO.sub.4, has strong inhibitory effect against secretion, good stability and high water solubility. Its effects are shown promptly after its oral administration.
    Type: Grant
    Filed: November 27, 1985
    Date of Patent: August 2, 1988
    Assignee: SS Pharmaceutical Co., Ltd.
    Inventors: Tetsuro Ikekawa, Fumitake Shimada, Jong-Chol Cyong, Kazuo Uebaba