Patent · US Active

Grafted membranes and substrates having surfaces with switchable superoleophilicity and superoleophobicity and applications thereof

US9708199B2 · kind B2 · utility

3Cited by
1References
47Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 27, 2012
Grant dateJul 18, 2017
Priority date
Expiry dateJul 28, 2034

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T442/2172
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

Disclosed herein are surface-modified membranes and other surface-modified substrates exhibiting switchable oleophobicity and oleophilicity in aqueous media. These membranes and substrates may be used for variety of applications, including controllable oil/water separation processes, oil spill cleanup, and oil/water purification. Also provided are the making and processing of such surface-modified membranes and other surface-modified substrates.

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