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US 7,022,346 B2Granted
Spherical powder components and solid cosmetic compositions comprising thereof
AssigneeThe Procter & Gamble Company
InventorsKojo Tanaka, Chie Kawano
Life of this patent
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Abstract
Disclosed is a spherical powder component comprising: (1) a large spherical powder having a particle size of from about 10 μm to about 50 μm; and (2) a small spherical powder having a particle size of from about 1 μm to about 10 μm; wherein at least one of the large spherical powder and at least one of the small spherical powder are made of the same material, and the weight ratio of the large spherical powder to the small spherical powder is from about 25:1 to about 1:25.
Claims7
A spherical powder component comprising:
- (1) a large spherical powder having a particle size of from about 15 μm to about 50 μm;
- and
- (2) a small spherical powder having a particle size of from about 1 μm to about 10 μm;
- wherein at least one of the large spherical powder and at least one of the small spherical powder are made of the same material, and the weight ratio of the large spherical powder to the small spherical powder is from about 25:1 to about 1:25, and wherein at least one of the large spherical powder and at least one of the small spherical powder are made of polymethyl methacrylate.
1 more element
A spherical powder component comprising:
- (1) a large spherical powder having a particle size of from about 15 μm to about 25 μm;
- and
- (2) a small spherical powder having a particle size of from about 1 μm to about 10 μm;
- wherein at least one of the large spherical powder and at least one of the small spherical powder are made of polymethyl methacylate, and the weight ratio of the large spherical powder to the small spherical powder is from about 25:1 to about 1:25.
1 more element
Dependencies are inferred from the claim text.