Patent ID: 6610135
Filing Date: 2003-08-26
Classification: B01J,B82Y,C01G,C01P,C09C,Y10T

Abstract:
An amorphous titanium-containing finely divided particulate material, which has an average particle diameter in the range of 0.8 to 15 nm, and is prepared by hydrolyzing titanium tetrachloride in an aqueous solution in the presence of at least one carboxylic acid selected from the group consisting of oxalic acid, citric acid, tartaric acid, malic acid and succinic acid; said titanium-containing material exhibiting a light transmittance of at least 85% as measured at a wavelength of 450-700 nm for a thickness of 10 mm on an aqueous liquid containing the titanium-containing material in a concentration of 0.1 to 6.5 moles per liter as titanium.