Patents by Inventor Junji Iwakura

Junji Iwakura 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 recovery of oxides of sulfur from combustion waste gas
    Patent number: 4001384
    Abstract: A process for the recovery of oxides of sulfur from combustion waste gases, which comprises cooling said waste gases and forming entrained particles of sodium compounds, consisting essentially of sodium carbonate, by spray contact with sodium hydroxide or sodium carbonate, converting sodium carbonate in the particles to sodium sulfate by passing said oxides of sulphur containing waste gases and said sodium compound particles over plate-like packings, whereby said particles are comminuted to a finer particle size form so as to enhance the reaction of said sulfate particles with the oxides of sulfur in said waste gases, collecting entrained particles of said sodium compounds in a dust collector.
    Type: Grant
    Filed: May 29, 1973
    Date of Patent: January 4, 1977
    Assignee: Asahi Glass Co., Ltd.
    Inventors: Junji Iwakura, Kimihiko Sato, Hisashi Fujii, Yoshihiro Hashimoto, Shigeo Ono, Shozaburo Watanabe, Akio Yokoyama