Patents by Inventor Archie F. Tang

Archie F. Tang 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 and nutrient medium for micropropagation of cassava
    Patent number: 4473648
    Abstract: A medium is provided which is useful in a fast and convenient system for multiplying cassava plants vegetatively by means of in vitro micropropagation of nodal cultures. This medium includes in parts per million the following:______________________________________ about 1200 NH.sub.4 NO.sub.3 from about 1000-1500 KNO.sub.3 about 300 MgSO.sub.4.7H.sub.2 O from about 150-300 NaH.sub.2 PO.sub.4.H.sub.2 O from about 150-300 CaCl.sub.2.2H.sub.2 O from about 18.5-37 Na.sub.2.EDTA from about 13.9-27.8 FeSO.sub.4.7H.sub.2 O. ______________________________________and suitable amounts of essential ingredients for a cassava micropropagation medium.In paticular, the medium also contains in part per million about: 3.0 H.sub.3 BO.sub.3, 10.0 MnSO.sub.4.H.sub.2 O, 6.0 ZnSO.sub.4.7H.sub.2 O, 0.25 Na.sub.2 MoO.sub.4.2H.sub.2 O, 0.025 CuSO.sub.4.5H.sub.2 O, 0.025 CaCl.sub.2.6H.sub.2 O, 0.75 KI, 2.5 Nicotinic acid, 10.0 Thiamine HCl, 1.0 Pyridoxine HCl, 100.0 M-inositol, 0.5 Glycine, 0.5 Folic acid, 0.05 Biotin, 0.
    Type: Grant
    Filed: May 14, 1982
    Date of Patent: September 25, 1984
    Assignee: International Plant Research Institute
    Inventor: Archie F. Tang