The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 15, 2015
Filed:
Aug. 08, 2012
Sumith Ranil Wickramasinghe, Fayetteville, AR (US);
Xianghong Qian, Fayetteville, AR (US);
Heath H. Himstedt, Fort Collins, CO (US);
Mathias Ulbricht, Berlin, DE;
Michael J. Semmens, St. Paul, MN (US);
Sumith Ranil Wickramasinghe, Fayetteville, AR (US);
Xianghong Qian, Fayetteville, AR (US);
Heath H. Himstedt, Fort Collins, CO (US);
Mathias Ulbricht, Berlin, DE;
Michael J. Semmens, St. Paul, MN (US);
Colorado State University Research Foundation, Fort Collins, CO (US);
Abstract
The invention provides permeable magnetically responsive filtration membranes that include a filtration membrane polymer base suitable for fluid filtration; hydrophilic polymers conjugated to the surface of the filtration membrane polymer; and magnetic nanoparticles affixed to the ends of a plurality of the hydrophilic polymers, wherein the hydrophilic polymers are movable with respect to the surface of the filtration membrane polymer surface in the presence of an oscillating magnetic field.