Patent · US Active

Methods for surfactant removal from nanoparticle suspensions

US9643148B2 · kind B2 · utility

0Cited by

0References

15Claims

0Family size

Assignee

Purdue Research Foundation · US

Inventors

Alexander Wei · Wilnsdorf, DE
Jonathan G Mehtala · Lafayette, US

Key dates

Filing date	Aug 20, 2015
Grant date	May 9, 2017
Priority date	—
Expiry date	Sep 18, 2035

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB82Y40/00
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

The present disclosure relates to the cleansing of nanoparticles in aqueous cationic surfactant solutions, including polyalkylammonium salts such as cetyltrimethylammonium bromide, as demonstrated by surfactant exchange, followed by the addition of peptizing agents to stabilize the cleansed nanoparticle solutes.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.