Patents by Inventor Yukio Omoda

Yukio Omoda 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 pulverizing aromatic phosphates
    Patent number: 5679824
    Abstract: A method of pulverizing aromatic phosphates which comprises stressing an oily product of an aromatic phosphate having a purity of 90% or more at a temperature lower by 5.degree. to 100.degree. C. than a melting point of the aromatic phosphate in a temperature-controllable kneader to solidify and pulverize the aromatic phosphate.According to the present invention, aromatic phosphates industrially obtained are able to be solidified and pulverized in a short time in a simple way without being subjected to specific purification. Further, the invention is industrially advantageous in that the solidification and pulverization can be performed successively after production of the aromatic phosphate.
    Type: Grant
    Filed: July 24, 1996
    Date of Patent: October 21, 1997
    Assignee: Daihachi Chemical Industry Co., Ltd.
    Inventors: Kiyoharu Hirao, Shouji Oda, Yukio Omoda