Patents by Inventor Matthias Gromping

Matthias Gromping 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).

  • PROCESS FOR PREPARING ETHYL TERT-BUTYL ETHER FROM TECHNICAL MIXTURES OF C4 HYDROCARBONS
    Publication number: 20070203369
    Abstract: The invention relates to a process for preparing ETBE from technical mixtures which comprise at least 1-butene, isobutene, n-butane and 2-butenes, by reacting the isobutene present, distillatively removing a fraction comprising 1-butene and isobutene and again reacting the isobutene present therein to give ETBE.
    Type: Application
    Filed: December 21, 2006
    Publication date: August 30, 2007
    Applicant: OXENO OLEFINCHEMIE GMBH
    Inventors: Jochen Praefke, Armin Rix, Silvia Fernandez, Matthias Gromping, Frank Hoper, Udo Peters, Jorg Leistner, Franz Nierlich, Dirk Rottger
  • Method for producing alpha-hydroxycarboxylic acids and the esters thereof
    Publication number: 20070173664
    Abstract: The invention relates to a process for the selective, economically viable preparation of methacrylic acid and methacrylic esters starting from acetone cyanohydrin, wherein, in a first step, 2-hydroxy-2-methylpropionic acid is prepared by reacting acetone cyanohydrin with sulphuric acid in the presence of water and a suitable polar solvent and is isolated and methacrylic acid is subsequently prepared by ?-elimination of water starting from 2-hydroxy-2-methylpropionic acid.
    Type: Application
    Filed: January 21, 2005
    Publication date: July 26, 2007
    Applicant: ROEHM GMBH & CO., KG
    Inventors: Steffen Krill, Friedel Schultheis, Udo Gropp, Matthias Gromping