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1. (WO2002000797) PARTICULATE METAL OXIDE

Pub. No.:    WO/2002/000797    International Application No.:    PCT/GB2001/002781
Publication Date: Jan 3, 2002 International Filing Date: Jun 25, 2001
IPC: A61K 8/11
A61K 8/29
A61Q 17/04
C01B 13/14
C01G 23/053
C09C 1/36
Applicants: IMPERIAL CHEMICAL INDUSTRIES PLC
DRANSFIELD, Graham, Paul
CUTTER, Susan
LYTH, Philip, Laurence
Inventors: DRANSFIELD, Graham, Paul
CUTTER, Susan
LYTH, Philip, Laurence
Title: PARTICULATE METAL OXIDE
Abstract:
A particulate metal oxide having the mean length of the primary particles in the range from 50 to 90 nm, the mean width of the primary particles in the range from 5 to 20 nm, and the median volume particle diameter of the secondary particles is less than 45 nm. The metal oxide can be used in a sunscreen product that exhibits both effective UV protection and improved transparency.