Patent ID: 9272260
Filing Date: 2016-03-01
CPC Classification: B01D,B01J

Claim Text:
1. A method of purifying a product, the method comprising: contacting a resin with a mixture comprising an aqueous solution, the product, and an organic solvent, wherein the organic solvent enters the pores of the resin and some of the product is dissolved in the organic solvent; adding a water-based solution to remove one or more unwanted by-products; optionally, adding water to remove or dilute the water-based solution; and adding a dislodging solvent to dislodge the product from the resin, where (a) the mixture is a two phase mixture, (b) the resin is a high internal phase emulsion polymeric (polyHIPE) resin which is prepared from polymerization of an emulsion of an aqueous phase and an oil phase comprising divinylbenzene and sorbitan monooleate, and (c) the resin has a pore volume of more than 1.8 ml/g.