Cosmetic/Pharmaceutical Sticks Assigned to Beiersdorf
July 10, 2006
l Patent No. 7,037,511 B1: Hydrous cosmetic or pharmaceutical sticks have been assigned to Beiersdorf AG, Hamburg, Germany. The cosmetic or dermatological stick preparation, which is a finely disperse water-in-oil emulsion, comprised of an oil phase, a water phase and at least one modified phyllosilicate pigment particle which exhibits both hydrophilic and lipophilic properties.