Patents by Inventor Melanie Erhardt

Melanie Erhardt 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).

  • Preparation of dihydroxycarboxylic esters in the absence of solvents
    Patent number: 6620964
    Abstract: A description is given of a process for preparing dihydroxycarboxylic esters and of an overall process for preparing R-(+)-&agr;-lipoic acid.
    Type: Grant
    Filed: December 2, 2002
    Date of Patent: September 16, 2003
    Assignee: BASF Aktiengesellschaft
    Inventors: Martin Jochen Klatt, Markus Niebel, Melanie Erhardt
  • Preparation of dihydroxycarboxylic esters in the absence of solvents
    Publication number: 20030109720
    Abstract: A description is given of a process for preparing dihydroxycarboxylic esters and of an overall process for preparing R-(+)-&agr;-lipoic acid.
    Type: Application
    Filed: December 2, 2002
    Publication date: June 12, 2003
    Inventors: Martin Jochen Klatt, Markus Niebel, Melanie Erhardt
  • Pharmaceutically active compounds, their preparation and use as ECE-inhibitors
    Patent number: 6469056
    Abstract: Pharmaceutically active compounds are prepared as described and used to produce pharmaceutical preparations for treating diseases.
    Type: Grant
    Filed: April 10, 2000
    Date of Patent: October 22, 2002
    Assignee: Abbott Laboratories
    Inventors: Michael Puhl, Johann-Christian Zechel, Klaus Ditrich, Heinz Hillen, Tanja Kohl, Melanie Erhardt, Stefan Hergenröder, Claus Otto Markert