Patents by Inventor Shakhawat CHOWDHURY

Shakhawat CHOWDHURY 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: 20200254361
    Abstract: A liquid-liquid extraction method for the removal of metal ions from contaminated water using calix[n]arene compound and a nitrogen base is disclosed. The method is particularly useful for removal of transition metal ions from contaminated water.
    Type: Application
    Filed: February 12, 2019
    Publication date: August 13, 2020
    Applicant: King Fahd University of Petroleum and Minerals
    Inventors: Md. Hasan ZAHIR, Shakhawat CHOWDHURY, Khalid ALHOOSHANI