Patents

TOMO PATENTS METHOD

October 10, 2008

TOMO PATENTS METHOD
FOR PRODUCING TITANIUM OXIDE
Patent No. U.S. 7,303,738 B2
Sumitomo Chemical Company has
obtained a patent for a method for producing
titanium oxide. The method is
comprised of adjusting a gas to have a
prescribed steam pressure before
introducing the gas into a furnace, and
calcining at least one titanium oxide
precursor selected from the group consisting
of a titanium hydroxide and a
titanium peroxide, wherein the calcination
is conducted in the presence of
nitrogen molecules and at a steam
pressure of at most approximately
8,000 Pa, and the calcination is conducted
in the furnace into which the
gas is introduced, wherein the gas has
a steam pressure of at most approximately
8,000 Pa.