Patents by Inventor Yuuji Kajita

Yuuji Kajita 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 producing a dimerized aldehyde
    Patent number: 5667644
    Abstract: A method for producing a dimerized aldehyde, which comprises subjecting a feed aldehyde to a condensation reaction and a dehydration reaction in the presence of a basic catalyst, wherein the feed aldehyde is the one having one or two hydrogen atoms at the .alpha.-position, an organic feed stream containing the feed aldehyde is supplied to a reactive distillation column, and the condensation reaction and the dehydration reaction are carried out simultaneously in the reactive distillation column.
    Type: Grant
    Filed: February 9, 1996
    Date of Patent: September 16, 1997
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Tomoyuki Mori, Kouichi Fujita, Yuuji Kajita, Masaki Takai