Process for solvent shifting a nanoparticle dispersion

US8679344B2 · kind B2 · utility

Assignee

• Cerion Technology, Inc. · US

Inventors

• Thomas D. Allston · Lima, US
• Laura M. Herder · Henrietta, US
• Andreas Langner · Alzenau, DE
• Kenneth J. Reed · Brighton, US

Key dates

• Filing date: Aug 28, 2009
• Grant date: Mar 25, 2014
• Expiry date: Jan 5, 2031

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C10L1/19
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

A process for replacing the continuous phase of a nanoparticle dispersion with a less polar phase, includes filtering the dispersion through a semi-permeable membrane filter to remove the continuous phase, and introducing a less polar phase.