Patents by Inventor Eva-Maria Koberstein

Eva-Maria Koberstein 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).

  • Microemulsion containing alkanolammonium salts of fatty alcohol sulfates and/or alkylpolyalkyleneglycoethersulfates
    Patent number: 7357922
    Abstract: This invention relates to microemulsions containing alkanolammonium salts of the alkylsulfates and/or alkylpolyalkyleneglycolethersulfates, water, one or more oil component(s), and one or more alcohol(s). The invention also relates to the use thereof for cosmetic and/or medicinal-dermatologic applications.
    Type: Grant
    Filed: February 7, 2000
    Date of Patent: April 15, 2008
    Assignee: Sasol Germany GmbH
    Inventors: Michael Brock, Martin Stolz, Sabine Diesveld-Koller, Eva-Maria Koberstein, Ursula Michel, Heinz Napierala
  • Microemulsion containing anti-uv filters and/or anti-dandruff agents
    Publication number: 20060165616
    Abstract: This invention relates to microemulsions containing alkanolammonium salts of alkylsulfates and/or alkylpolyalkyleneglycolethersulfates, UV filters and/or antidandruff substances. The invention also relates to the use of said emulsions for cosmetic and/or medicinal-dermatologic applications.
    Type: Application
    Filed: July 22, 2003
    Publication date: July 27, 2006
    Inventors: Michael Brock, Thorsten Hanning, Eva-Maria Koberstein, Heinz Napierala