Claims for Patent: 6,379,680

Summary for Patent: 6,379,680

Title:	Emulsifier-free finely dispersed systems of the water-in-oil type
Abstract:	Emulsifier-free cosmetic or dermatological preparations, which are finely dispersed systems of the water-in-oil type, comprising1. an oil phase,2. an aqueous phase and3. one or more type of micronized, inorganic pigments whicha) have an average particle size of less than 200 nm, and whose particlesb) have both hydrophilic and lipophilic properties, i.e. have an amphiphilic character, and thus position themselves at the water/oil interface, and whichc) are selected from the group consisting of metal oxides, whichd) are optionally coated on the surfaceand also optionally comprising further cosmetic or pharmaceutical auxiliaries, additives and/or active substances.
Inventor(s):	Heinrich Gers-Barlag, Anja Müller
Assignee:	Beiersdorf AG
Application Number:	US09/367,365

Details for Patent 6,379,680

Applicant	Tradename	Biologic Ingredient	Dosage Form	BLA	Approval Date	Patent No.	Expiredate
Glaxosmithkline Biologicals	TWINRIX	hepatitis a & hepatitis b (recombinant) vaccine	Injection	103850	May 11, 2001		2018-03-21