Patent ID: 7482382
Filing Date: 2009-01-27
Classification: B82Y,C01B,C01G,C01P

Abstract:
1. A process comprising the steps of: a) preparing an alcohol-based solution comprising: b) adding metal oxide precursor to the alcohol-based solution to form a reaction mixture, wherein the reaction mixture is maintained at a reaction mixture pH greater than 7, wherein the metal oxide precursor comprises a metal component selected from the group consisting of Al, Ti, Fe, Cu, Zn, Ba, Zr, and combinations thereof; and c) reacting the reaction mixture to form nanosized metal oxide sol, wherein the reaction mixture is maintained at a reaction mixture pH greater than 7, wherein the nanosized metal oxide sol comprises metal selected from the group consisting of Al, Ti, Fe, Cu, Zn, Ba, Zr, and combinations thereof.