Patents by Inventor Yasushi Takebe

Yasushi Takebe 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).

  • 4-Chloro-4-methyl-5-methylene-1,3-dioxolane-2-one
    Patent number: 4554358
    Abstract: 4-Chloro-4-methyl-5-methylene-1,3-dioxolane-2-one is useful as an intermediate for the synthesis of 4-chloromethyl-5-methyl-1,3-dioxolene-2-one which, in turn, finds use as a modifying agent for making various prodrugs.Said intermediate compound gives said objective compound in a good yield by a rearrangement reaction.
    Type: Grant
    Filed: November 16, 1984
    Date of Patent: November 19, 1985
    Assignee: Kanebo, Ltd.
    Inventors: Yasushi Takebe, Koji Iuchi, Goro Tsukamoto