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US 7,018,464 B2Granted
Body pigment and process for preparing the same
AssigneeMerck Patent GmbH
InventorTamio Noguchi
Life of this patent
Estimating the term…
Abstract
A body pigment with a good skin feel for cosmetics is provided which has an appropriate crumbling property and combines slipping property and adhesiveness without compromising oil absorption. The body pigment is comprised of a metal-containing compound and has a structure in which leaf-shaped flakes are combined and/or intersected.
Claims20
A body pigment comprising a metal-containing compound, wherein said body pigment has a structure in which more than two metal-containing compound flakes having different orientations are combined and/or intersected which pigment is prepared by a process comprising:
- simultaneously dropping an aqueous solution of metal-containing salt and an alkaline aqueous solution or an aqueous solution of carbonate salt into water while stirring to form a precipitate separating/washing said precipitate thereafter, and drying the same.
Dependencies are inferred from the claim text.