Patents by Inventor Alice Lichtenberg

Alice Lichtenberg 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: 6538021
    Abstract: Disclosed is a method for producing compounds of formula (I), wherein R1 represents H or (CH2)mOH, R2 represents H or (CH2)nOH, R3 represents H or (CH2)pOH and m, n and p represent 2-8 independently from one another. Said compounds are particularly suitable for use as food supplements. They are highly suitable for use in cosmetic formulations as UV filters, for instance.
    Type: Grant
    Filed: April 25, 2001
    Date of Patent: March 25, 2003
    Assignee: Merck Patent Gesellschaft
    Inventors: Herwig Buchholz, Ralf Rosskopf, Alice Lichtenberg, Christine Kraus