Patent ID: 7208135
Filing Date: 2007-04-24
Classification: B82Y,C01B,C01G,C01P,C04B,Y10S

Abstract:
1. A process for preparing mixed oxide particles having a mean diameter of less than 10 nm, which comprises reacting alkoxides of the elements titanium, zirconium, niobium, tantalum or mixtures thereof with metal hydroxides, metal carboxylates, metal hydroxycarbonates, metal carbonates or mixtures thereof of the elements lithium, sodium, potassium, magnesium, calcium, strontium, barium, zinc, cadmium, aluminum, gallium, yttrium, lanthanum, praseodymium, neodymium, samarium, dysprosium, europium, lead, bismuth or mixtures thereof in a C 1 –C 8 -alkanol, in a glycol ether or in a mixture thereof at from 50 to 200° C.