Patent ID: 7651719
Filing Date: 2010-01-26
Classification: A61K,A61Q,C01B,C09D,C12H

Abstract:
1. A process for the clarification of fermented unfiltered beer, comprising the steps of: providing an aqueous suspension of anionic colloidal silica having a neutral pH, which is stable over time and comprising individualized particles of colloidal silica which are not bound to one another by siloxane bonds, where said aqueous suspension of anionic colloidal silica comprising individualized particles of colloidal silica which are not bound to one another by siloxane bonds and having a basic pH in the range from 8.5 to 11, a specific surface in the range from 20 m providing a fermented unfiltered beer; and contacting said aqueous suspension of anionic colloidal silica having a neutral pH with said fermented unfiltered beer.