C - Chemistry – Metallurgy – 01 – G
Patent
C - Chemistry, Metallurgy
01
G
C01G 23/047 (2006.01) A61K 8/25 (2006.01) A61K 8/29 (2006.01) A61Q 17/04 (2006.01)
Patent
CA 2531608
Surface-modified, pyrogenically prepared titanium dioxides coated with silicon dioxide are prepared by spraying the pyrogenically prepared titanium dioxides coated with silicon dioxide with a surface-modifying agent and then tempering them. They can be used in sun protection formulations.
Gray Ann
Hasenzahl Steffen
Juergen Meyer
Riedemann Heike
Schumacher Kai
Degussa Ag
Evonik Degussa Gmbh
Marks & Clerk
LandOfFree
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