Patents by Inventor Deris Prawira

Deris Prawira 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).

  • IRON CHELATORS AS ACTIVATORS IN ALKALINE FLOTATION CIRCUITS
    Publication number: 20210260603
    Abstract: The present invention is directed to a method for selectively recovering a mineral from an ore applying a promoter being a substituted ethylene diamine. Further, the present invention is directed to the use of said substituted polymeric alkylenediamine to separate a target mineral from an ore.
    Type: Application
    Filed: July 3, 2019
    Publication date: August 26, 2021
    Inventors: Adrian Mauricio Villanueva Berindoague, Dale Barron, Daniel Chipfunhu, Alexej Michailovski, Scott Alexander Dickie, Marta Reinoso Garcia, Deris Prawira