Patents by Inventor Nobuto Ohta

Nobuto Ohta 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 production of peracetic acid
    Patent number: 4024180
    Abstract: A process for the production of peracetic acid which comprises the steps of adding, to an inner solvent, acetaldehyde and at least one catalyst selected from the group consisting of strongly acidic carboxylic acids, strongly acidic phenols and nitric acid, and introducing oxygen gas or oxygencontaining gas into the resulting mixture while stirring the mixture and maintaining it at a temperature range of -5.degree. C to 50.degree. C.
    Type: Grant
    Filed: May 8, 1968
    Date of Patent: May 17, 1977
    Assignee: Agency of Industrial Science & Technology
    Inventors: Nobuto Ohta, Juichi Imamura, Takehiko Matsuzaki