Patents by Inventor Edge R. Wang

Edge R. Wang 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).

  • Publication number: 20030101785
    Abstract: The present invention is directed to micronutrients and compositions, and to methods for their preparation and administration to plants. The micronutrient compositions include chelated metal ions of the transition and alkaline earth metals The chelated metal solutions are prepared by complexing metal cations using an organic phosphonic acid The micronutrient compositions are stable at the pH about 6.5-9. The source of the metal ions may be any biologically acceptable metal salt, such as chloride, sulfate, nitrate, oxide, hydroxide and carbonate and other biologically compatible salts of the metal cations. The preferred chelating agents are aminophosphonic acids, such as ethylenediaminetetramethylene phosphonic acid. Micronutrient solutions containing such chelated metals are stable at neutral and alkaline pH and are used as liquid fertilizers, or mixed with other fertilizers to prepare clear, liquid fertilizer compositions for delivery of trace metals to plants.
    Type: Application
    Filed: December 4, 2001
    Publication date: June 5, 2003
    Applicant: Wei Jia
    Inventors: Wei Jia, Edge R. Wang
  • Patent number: 5840879
    Abstract: The invention provided methods and compositions for oligonucleotide synthesis and labeling. The subject compounds have either rigid ring or long linear linker structures and provide enhanced coupling efficiencies over prior art labeling reagents because of lack of stereo hindering and/or provide more convenient and cost-effective syntheses. These novel linkers also contain a base labile structure which provides: labeling at 3' end with regular solid supports, cleaving under mild conditions, and achieving higher yield because of the complete cleavage and higher purity because the mild conditions will not bring down the impurities on the solid support. When used in a solid support pre-attached with either a nucleotide for unlabeled oligonucleotide synthesis, or a label for 3' end labeled oligonucleotide synthesis, or an alternate structure to use as an universal support, these linkers provide solid supports requiring only mild cleavage conditions.
    Type: Grant
    Filed: December 6, 1996
    Date of Patent: November 24, 1998
    Inventor: Edge R. Wang