Patents

Cosmetic Powder Bead Preparation

Author Image

By: TOM BRANNA

Editor

US Patent No. 8,658,187 B2; Avon has patented a method of preparing powder beads. It entails solubilizing at least one structuring agent with a solvent in the presence of at least one powder under turbulent high-shear mixing at a tip speed of greater than about 15ft/s to form small, nonspherical nucleated seeds of about 3mm or less in diameter and  thereafter, allowing the nucleated seeds to accrete under laminar low shear mixing at a tip speed of less than about 15ft/s to obtain substantially s...

Continue reading this story and get 24/7 access to Happi for FREE


Already a subscriber? Sign in

Keep Up With Our Content. Subscribe To Happi Newsletters