Patents by Inventor Kouji Masuno

Kouji Masuno 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 pulp mill chemicals
    Patent number: 4299652
    Abstract: A process is disclosed in which a waste gas containing sulfur compounds and carbon dioxide from pulp mill is contacted with an aqueous alkali solution derived from green liquor, white liquor or weak white liquor having low pH value and low sodium ion concentration and having been oxidized, whereby the sulfur compounds are absorbed as completely as possible with minimal absorption of carbon dioxide in the waste gas.
    Type: Grant
    Filed: March 5, 1980
    Date of Patent: November 10, 1981
    Assignee: Ebara Corporation
    Inventors: Kouji Masuno, Junji Nakayama, Yukio Mizoguchi, Mitsuyoshi Kaneko