Patents by Inventor Setsuzo Tejima

Setsuzo Tejima 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).

  • Production of fucosyl antigens and antibodies for recognizing same determination of cancer associated carbohydrate linkage using same and kit for the determination
    Patent number: 4725557
    Abstract: The invention relates to a process for producing a fucosyl antigen charcterized in that an oligosaccharide contaning an .alpha.-fucoyransoyl-(1.fwdarw.3)-, -(1.fwdarw.4)- or -(1.fwdarw.6)-galactoyransoyl group and serving as a hapten is reacted wtih a carrier protein to obtain a carbohydrate antigen and to a process for producing from the antigen an antibody having specific reactivity with cells of cancers of the digestive system, especially human colon carcinoma cells, and murine teratocarcinoma cells.The invention also relates to a method of determining a cancer associated crabohydrate linkage with use of such antibody capable of specifically recognizing specific carbohydrate linkage and to a cancer diagnosing kit containing the antibody.
    Type: Grant
    Filed: January 19, 1984
    Date of Patent: February 16, 1988
    Assignee: Otsuka Pharmaceutical Co., Ltd.
    Inventors: Teruo Miyauchi, Suguru Yonezawa, Masayuki Ozawa, Eiichi Sato, Takashi Muramatsu, Setsuzo Tejima, Taku Chiba