Flame-hydrolytically produced titanium dioxide mixed oxide, meth

Details Flame-hydrolytically produced titanium dioxide mixed oxide, meth Flame-hydrolytically produced titanium dioxide mixed oxide, meth

1996-08-01

1998-06-09

Dodson, Shelley A.

Drug, bio-affecting and body treating compositions

Topical sun or radiation screening, or tanning preparations

423610, 423622, 424 60, A61K 742, C01G 23047

Patent

active

057629145

ABSTRACT:
Flame-hydrolytically produced titanium dioxide mixed oxide having a BET surface of 10 to 150 m.sup.2 /g and 1 to 30% by weight aluminum oxide or 1 to 30% by weight silicon dioxide is produced by evaporating aluminum chloride or silicon tetrachloride, transferring the evaporated aluminum chloride or silicon tetrachloride, together with an inert gas, into the mixing chamber of a burner, mixing them with hydrogen, air and gaseous titanium tetrachloride, burning the resulting 4-component mixture in the reaction chamber of the burner, and separating the titanium dioxide mixed oxide from the gaseous reaction products.

REFERENCES:
patent: 4916107 (1990-04-01), Brand et al.
patent: 5061473 (1991-10-01), De Cleyn et al.
patent: 5451390 (1995-09-01), Hartmann et al.

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