Patents by Inventor Taeko Dohi

Taeko Dohi 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).

  • Naturally occurring gangliosides containing de-N-acetyl-sialic acid and their applications as modifiers of cell physiology
    Patent number: 5272138
    Abstract: A method for preparing de-N-acylated forms of an N-acyl sugar-containing glycosphingolipid and lyso forms of glycosphingolipid comprising hydrolyzing the glycosphingolipids under mild alkaline conditions such that the N-acyl group of the sugar moiety is preferentially hydrolyzed. Substantially pure gangliosides containing de-N-acetyl-sialic acid isolated from natural sources. A culture medium for stimulating growth of human and animal cells comprising: essential nutrients for cell growth, and a cell growth stimulatory amount of one or more gangliosides containing de-N-acetyl-sialic acid. A method for stimulating growth of human and animal cells cultured in vitro with a cell growth stimulatory amount of one or more gangliosides containing de-N-acetyl-sialic acid.
    Type: Grant
    Filed: January 19, 1990
    Date of Patent: December 21, 1993
    Assignee: The Biomembrane Institute
    Inventors: Sen-itiroh Hakomori, Gustavo A. Nores, Nobuo Hanai, Taeko Dohi, Steven B. Levery, Mary Ellen K. Salyan, Hisao Nojiri