Patents by Inventor Masamitu Fukuda

Masamitu Fukuda 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).

  • Patent number: 5326916
    Abstract: A process for producing acrolein which comprises bringing a reaction gas resulting from a catalytic oxidation of propylene into contact in a cooling tower with a condensate which is being circulated through the cooling tower and a circulating part, thereby to cool and separate the reaction gas and discharge an effluent gas from the cooling tower, the condensate in a bottom part of the cooling tower having a temperature of from 35.degree. to 50.degree. C., the effluent gas discharged from the cooling tower having a temperature of from 35.degree. to 55.degree. C.
    Type: Grant
    Filed: March 8, 1993
    Date of Patent: July 5, 1994
    Assignee: Sumitomo Chemical Co., Ltd.
    Inventors: Yoshinori Kobayashi, Yasuo Matsumoto, Tadashi Mizuno, Masamitu Fukuda