Patents by Inventor Sheng-Yih Lee

Sheng-Yih Lee 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).

  • Bioremediation of nitrogenous contaminants
    Patent number: 6936456
    Abstract: A novel process for the remediation of nitrogenous energetic materials such as 1,3,5,-trinitro-1,3,5-triazine (RDX) which can be used in situ on contaminated media is provided. The process comprises the bioremediation by one or more miccroorganisms capable of metabolizing the energetic materials. Examples of such microorganisms include Rhizobium rhizogenes, Burkholderia sp., and Cladosporium cladosporioides (ATCC 66669). Strains of these microorganisms have been deposited. The strain designated A1 has been deposited as Rhizobium rhizogenes BL (ATCC PTA-4110) and the strain designated C8 has been deposited as Burkholderia sp. (ATCC PTA-4111) Additionally, with the addition of a carbon source, such as a sugar, the process can totally degrade the energetic materials in two to three days.
    Type: Grant
    Filed: August 5, 2002
    Date of Patent: August 30, 2005
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventors: Bruce W. Brodman, Sheng-Yih Lee