Patents by Inventor Ju Chen Liang

Ju Chen Liang 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).

  • Patent number: 5968249
    Abstract: A process for preparation of silica pigment by mixing sea water and an aqueous solution of sodium silicate is disclosed, in which no acidulating agent is used and the amount of sea water is 50-500 times of the sodium silicate by weight.
    Type: Grant
    Filed: January 16, 1998
    Date of Patent: October 19, 1999
    Inventor: Ju Chen Liang