Compositions and methods for removal of negatively charged impurities using metal-cellulose fiber composite

US12384856B2 · kind B2 · utility

Assignee

• The Research Foundation for The State University of New York · US

Inventors

• Benjamin S. Hsiao · Setauket, US
• Sunil Sharma · Salt Lake City, US
• Priyanka Sharma · Cupertino, US
• Ken Johnson · Stoughton, US

Key dates

• Filing date: Oct 30, 2019
• Grant date: Aug 12, 2025
• Expiry date: Nov 6, 2040

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08J2301/04
• WIPO field: Environmental technology
• WIPO sector: Chemistry

Abstract

The present disclosure provides cellulose/metal composites and their use in removing impurities from liquids, including water. Carboxylated nanocelluloses are combined with metal ions and the resulting composite may be contacted with a liquid, including water, to remove impurities therefrom.