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US 2015/0174053 A1Published application
Styrene Maleic Anhydride Polymers in Cosmetics and Personal Care Products
AssigneeAvon Products, Inc.
InventorEmily H. Rubinson
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Abstract
The invention relates generally to pigmented compositions that, upon the application of water and pressure, exhibit a visible change in one or more optical attributes such as color.
Claims18
A method for preparing a pigment grind capable of exhibiting a color change comprising dispersing, under shear, pigment particulates in a substantially anhydrous carrier in the presence of a styrene maleic anhydride copolymer.
A cosmetic composition capable of changing color comprising:
- one or more cosmetic ingredient selected from waxes, gelling agents, emollients, and film forming polymers;
- and
- a pigment grind comprising pigment particulates in a carrier and a styrene-maleic anhydride copolymer;
- wherein said cosmetic composition is substantially anhydrous.
1 more element
Dependencies are inferred from the claim text.