Patents by Inventor Kenji E Ohashi

Kenji E Ohashi 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).

  • Method of separating and recovering aromatic carbonate and production process
    Publication number: 20030162989
    Abstract: A method of isolating and recovering an aromatic carbonate, in which a solvent having a solubility parameter of 7 to 10 is added to a solution of the aromatic carbonate in an aromatic hydroxy compound to precipitate the aromatic carbonate in the form of a crystal and the aromatic carbonate is isolated and recovered.
    Type: Application
    Filed: October 7, 2002
    Publication date: August 28, 2003
    Inventors: Kenji E Ohashi, Hirotaka Suzuki, Takeshi Muraoka, Eishin Yoshisato, Ryouichi Nagashima