Patents Examined by Phyn Touzeau
  • Process for refining zein
    Patent number: 5342923
    Abstract: There is disclosed a process for refining a zein. A solution containing crude zein, as a raw material is finely dispersed into absolute or high purity acetone solution having no ability for dissolving the zein, to cause precipitation of a zein component, as porous solids.
    Type: Grant
    Filed: April 28, 1992
    Date of Patent: August 30, 1994
    Assignee: Showa Sangyo Co., Ltd.
    Inventors: Hidekazu Takahashi, Norimasa Yanai