Patents by Inventor Akira Hatamori

Akira Hatamori 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 of producing .alpha.-hydroxyisobutyramide from acetone cyanohydrin by nitril hydratase
    Patent number: 5443973
    Abstract: A culture liquid of microorganisms having an ability of producing .alpha.-hydroxyisobutylamide from acetone cyanhydrin or the cultivated cells of the microorganisms or the processed cells of them is/are reacted to acetone cyanhydrin in an aqueous medium to produce .alpha.-hydroxyisobutylamide. The amide is reacted with water and/or an aliphatic alcohol in the presence of a solid acid catalyst at a temperature of 150.degree. C. or higher in a gaseous phase or a gaseous-liquid mixed phase to produce an .alpha.,.beta.-unsaturated carboxylate or an aliphatic alcohol or an .alpha.,.beta.-unsaturated carboxylic acid.
    Type: Grant
    Filed: August 19, 1992
    Date of Patent: August 22, 1995
    Assignee: Mitsui Toatsu Chemicals, Inc.
    Inventors: Kenichi Soshiwata, Masao Shimada, Akira Hatamori