Patents by Inventor Mitsumasa Matsunaga

Mitsumasa Matsunaga 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 for purification of glycidyl acrylate or glycidyl methacrylate
    Patent number: 4755262
    Abstract: This invention relates to a method for the purification of glycidyl acrylate or glycidyl methacrylate. Specifically, the invention effects the purification by using a residual catalyst-inactivating additive and consequently produces highly purified glycidyl acrylate or glycidyl methacrylate containing substantially no epichlorohydrin and having a low chlorine content.
    Type: Grant
    Filed: October 26, 1987
    Date of Patent: July 5, 1988
    Assignee: Osaka Yuki Kagaku Kogyo Kabushiki Kaisha
    Inventors: Mitsumasa Matsunaga, Yukio Tanaka, Akio Tani, Shigeaki Matsumoto