Patents by Inventor Arianne Schomann

Arianne Schomann 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).

  • Patent number: 6022530
    Abstract: Cosmetic or dermatological light protection formulations in the form of W/O emulsions, comprising(a) one or more light protection filter substances which are solid under normal conditions and(b) one or more W/O emulsifiers chosen from the group of substances of the general structural formula ##STR1## in which R.sub.1, R.sub.2 and R.sub.3 independently of one another are chosen from the group which consists of: H, branched or unbranched, saturated or unsaturated fatty acid radicals having from 8 to 24 carbon atoms, in which up to 3 aliphatic hydrogen atoms may be substituted by hydroxyl groups, and n is a number from 2 to 8.
    Type: Grant
    Filed: November 27, 1998
    Date of Patent: February 8, 2000
    Assignee: Beiersdorf AG
    Inventors: Heinrich Gers-Barlag, Albrecht Dorschner, Rainer Kropke, Anja Muller, Bente Nissen, Arianne Schomann