The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 15, 2008
Filed:
Jan. 31, 2005
Sarah Maillefer, Middes, CH;
Daniel Chambettaz, St. Ursen, CH;
Michael Franzke, Rossdorf, DE;
Wella AG, Darmstadt, DE;
Abstract
The preferably optically clear, transparent or translucent micromulsion contains from 20 to 60 percent by weight water; from 3 to 20 percent by weight of an oil phase, which contains hydrophobic oil that is liquid at 25° C. and optionally dissolved lipophilic materials, and from 20 to 60 percent by weight of an emulsifier mixture. The emulsifier mixture contains at least one first emulsifier, which is an ethoxylated castor oil and/or an ethoxylated hydrogenated castor oil, and at least one second emulsifier with an NRUvalue greater than 110 μg/ml. The microemulsion is usable as a cosmetic, dermatological or pharmaceutical preparation, especially as an agent for hair treatment.