Back to results
US 9,790,105 B2Granted
Filtration medium comprising a carbon oxychalcogenide
Assignee3M Innovative Properties Company
InventorsAllen R. Siedle, Mark R. Stouffer
Life of this patent
Estimating the term…
Abstract
Described herein is a filtration medium comprising a carbon substrate having a surface of COxEy, wherein E is selected from at least one of S, Se, and Te; and wherein x is no more than 0.1 and y is 0.005 to 0.3; a filtration device comprising the filtration medium; and methods of removing chloramines from aqueous solutions.
Claims9
A filtration device comprising a carbon block, the carbon block comprising
- (i) a plurality of first activated carbon particles, wherein the first activated carbon particles have a surface of COxSy;
- and wherein x is no more than 0.1, and y is 0.005 to 0.3;
- and
- (ii) a binder comprising polyethylene.
1 more element
Dependencies are inferred from the claim text.