Patent ID: 7749320
Filing Date: 2010-07-06
Classification: C01P,C09C

Abstract:
1. A process comprising precipitating finely particulate, inorganic solids from solution, wherein the surfaces of the finely particulate, inorganic solids are coated with at least one additive containing at least one of a dispersing agent or a deflocculating agent to coated finely particulate, inorganic solids, wherein the proportion of the at least one additive is at most 80 wt. % of the coated finely particulate, inorganic solids, wherein the at least one additive is added to the starting solution, wherein the finely particulate, inorganic solid is selected from the group consisting of antimony oxide, chromium oxide, a metal nitrate, a metal halide, nickel titanate, lithium titanate, a metal ferrite, barium ferrite, manganese ferrite, nickel ferrite, a mixed oxide with a spinel structure, spinel green (Co,Ni,Zn) 2 TiO 4 , zinc/iron brown (ZnFe 2 O 4 ), a molybdate and a borate.