Patents by Inventor Toshiaki Shigemune

Toshiaki Shigemune 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).

  • Process for preparing organic carbonates
    Patent number: 4217298
    Abstract: A process for producing an organic carbonate, which comprises reacting an alkali metal carbonate, carbon dioxide gas, an alcohol and an organic halide in the presence of a catalyst.
    Type: Grant
    Filed: September 1, 1978
    Date of Patent: August 12, 1980
    Assignee: Tokuyama Soda Kabushiki Kaisha
    Inventors: Kazuo Shikata, Toshiaki Shigemune