Patents by Inventor Zhen H. Yang

Zhen H. Yang 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: 4877739
    Abstract: This invention relates to a group of autogenic antiammonia azotobacter represented by 851 yellow. It can utilize low price starch medium. This culture fluid of azotobacter can be used for manufacturing single cell proteins rich in Se, Zn, V.sub.E, V.sub.B, V.sub.K, anticancer and antiaging tonic medicines. It also can be used for manufacturing bacteria manure, eel and animal forage, additive, antiseptic and binder.
    Type: Grant
    Filed: September 30, 1988
    Date of Patent: October 31, 1989
    Inventor: Zhen H. Yang