Back to results
US 10,882,038 B2Granted
Aluminum-doped, iminoacetic acid group-containing chelate resins
AssigneeLANXESS Deutschland GmbH
InventorsStefan Neumann, Bernd Koop, Jenny Barbier, Reinhold Klipper
Life of this patent
Estimating the term…
Abstract
The present invention relates to aluminium-doped chelate resins containing iminoacetic acid groups, to a production process for aluminium-doped chelate resins containing iminoacetic acid groups, and to a device comprising at least one layer of at least one aluminium-doped chelate resin containing iminoacetic acid groups, and to the uses of this device and of the chelate resins for removal of fluoride from water.
Claims14
A chelate resin consisting essentially of functional groups of the formula (I)
- bonded to a polymer skeleton via the methylene group via an aromatic radical, wherein the polymer skeleton is a polystyrene copolymer and wherein X is any monovalent anion, n=0.60 to 1.20 per aromatic radical, and m=0.70 to 1.20 per nitrogen atom.
Dependencies are inferred from the claim text.