Patents by Inventor Kazuyuki Mineta

Kazuyuki Mineta 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 the simultaneous manufacture of epsilon-caprolactones and carboxylic acids
    Patent number: 4013691
    Abstract: A cyclohexanone is oxidized by molecular oxygen in the presence of an aldehyde, a soluble compound of a metal selected from the group consisting of iron, palladium, vanadium, chromium, molybdenum, tungsten and cerium, and a compound which has a heterocyclic ring containing at least one nitrogen atom and which acts as a multidantate ligand, to form an epsilon-caprolactone and a carboxylic acid corresponding to the aldehyde.
    Type: Grant
    Filed: October 8, 1975
    Date of Patent: March 22, 1977
    Assignee: Mitsubishi Chemical Industries Ltd.
    Inventors: Takao Maki, Kazuyuki Mineta