Patent ID: 8308985
Filing Date: 2012-11-13
Classification: A61K,A61Q,C01B,C09D,C12H

Abstract:
1. A process for the preparation of inks, paints or anticorrosive treatments, comprising; 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 comprises individualized particles of colloidal silica which are not bound to one another by siloxane bonds and has a pH in the range from 8.5 to 11, a specific surface in the range from 20 m providing a colored material; and, forming a mixture of the colloidal silica with the colored material.