Patents by Inventor Anja Lührs

Anja Lührs has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Cosmetic and dermatological emulsions comprising alkyl glucosides and increased electrolyte concentrations
    Patent number: 6391319
    Abstract: Cosmetic and dermatological emulsions having at least one aqueous phase, comprising (a) an effective amount of one or more interface-active substances, selected from the group consisting of alkyl glucosides, which are characterized by the structural formula  in which R is a branched or unbranched alkyl radical having from 4 to 24 carbon atoms, (b) where in at least one of the aqueous phases one or more electrolytes is present in dissolved form, the ionic strength of the aqueous phases in which the electrolyte(s) is/are present in dissolved form being at least 0.075 mol/l, (c) and where {overscore (DP)} is an average degree of glucosylation of up to 2.
    Type: Grant
    Filed: June 2, 1998
    Date of Patent: May 21, 2002
    Assignees: Beiersdorf AG, Th. Goldschmidt AG
    Inventors: Rainer Kröpke, Anja Lührs, Anja Müller, Jens Nielsen, Andrea Bungard, Burghard Grüning, Klaus Jenni