Patent ID: 7622045
Filing Date: 2009-11-24
Classification: B01D,B01J

Abstract:
1. A polymeric composition in the form of a membrane or sorbent particles which contains (1) at least 40% of at least one homopolymer made from an alkyl amine and (2) one homopolymer produced from an alcohol of the formula: wherein — is either a double or single bond, R1 is an OH group or a hydrocarbon chain of 2-4 carbon terminating in an OH group, and R2 is a hydrogen or a hydrocarbon chain or cyclic hydrocarbon moiety; or from a glycol of the formula: wherein R5 is a saturated or unsaturated hydrocarbon chain of from 2 to 4 carbon atoms and the polyamine is produced from one amine of the formula: wherein — is a single or double bond, R3 is an acid amine group containing no carbon atoms, a hydrocarbon chain terminating in an acid amine group, or a ring moiety containing an acid amine group, and R4 is a hydrogen or a hydrocarbon chain or cyclic hydrocarbon moiety with the carbon attached to R3.