Patents by Inventor Akira Motoshio

Akira Motoshio 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 preparation of gamma-pyrone derivatives
    Patent number: 5334518
    Abstract: Disclosed is a novel process for the production of pyrocomenic acid [3-hydroxy-4(1H)-pyran-4-one and rubiginol [3,5-dihydroxy-4(1H)-pyran-4-one, which are starting materials for synthesis of maltols useful as food spices as well as additives for cosmetics.The chemical reactions possibly taking place in the fermentation and the heating post-treatment thereof in the present invention are shown as follows: ##STR1## The microorganisms usable in the above oxidation fermentation include Gluconobacter rubiginosus IFO 3244, Gluconobacter suboxydans IFO 3254, Gluconobacter melanogenus IFO 3293, Pseudomonas fluorescens IFO 3081, Erwinia carotovara IFO 3380 etc.
    Type: Grant
    Filed: November 3, 1992
    Date of Patent: August 2, 1994
    Assignee: Yakurigaku Chuo Kenkyusho
    Inventors: Hidehiko Takahashi, Katsumi Imada, Akira Motoshio