Patents by Inventor Thi Phuong Thuy Pham

Thi Phuong Thuy Pham 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).

  • Surface-modified biomass, preparation method thereof, and method for recovering valuable metals using the same
    Patent number: 8906132
    Abstract: The present invention relates to a surface-modified biomass which is crosslinked with an amine group-containing cationic polymer on the surface of a cell biomass, its preparation method, and a method for recovering valuable metals using the same. The surface-modified biomass of the present invention has an advantage of improving adsorption of and affinity with anionic pollutants as a result of further introducing a cationic functional group by crosslinking of the amine group-containing cationic polymer on the surface of the biomass. In addition, the method for recovering valuable metals with the present invention is environment-friendly, economical, and harmless to the human body.
    Type: Grant
    Filed: July 27, 2009
    Date of Patent: December 9, 2014
    Assignee: Industrial Cooperation Foundation Chonbuk National University
    Inventors: Yeoung-Sang Yun, Sung Wook Won, Sun Beom Choi, Sok Kim, Juan Mao, In-Seob Kwak, Jiyeong Park, Myung Hee Song, Min A Bae, Shi Yn Lee, Sneha Krishnamurthy, Thi Phuong Thuy Pham, Chul Woong Cho