Patents by Inventor Karl G. Baur

Karl G. Baur 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).

  • Oxidation of ammonium ions and organic carbon in wastewaters
    Patent number: 5453208
    Abstract: A process for the oxidation of ammonium ions and organic carbon in wastewaters containing ammonium ions and organic carbon by means of nitric acid at from 100.degree. to 350.degree. C., wherein the molar ratio between organic carbon and ammonium nitrogen is adjusted to a value in the range from 0.3:1 to 4:1 by addition of organic carbon or ammonium nitrogen.
    Type: Grant
    Filed: November 22, 1993
    Date of Patent: September 26, 1995
    Assignee: BASF Aktiengesellschaft
    Inventors: Karl G. Baur, Thomas Papkalla, Ulrich Kanne, Peter Stops
  • Breakdown of waste waters containing aromatic nitro compounds
    Patent number: 5232605
    Abstract: A process for breaking down aromatic nitro compounds in waste waters from plants for the production of nitrobenzene by treatment with nitric acid is carried out at from 180.degree. to 350.degree. C. and under a pressure of from 40 to 250 bar.
    Type: Grant
    Filed: February 28, 1992
    Date of Patent: August 3, 1993
    Assignee: BASF Aktiengesellschaft
    Inventors: Karl G. Baur, Toni Dockner, Ulrich Kanne, Thomas Papkalla
  • Preparation of nicotinamide
    Patent number: 4681946
    Abstract: A process for the preparation of nicotinamide by amidation of a nicotinic acid/nicotinamide melt, vacuum distillation of the amidation mixture, removal of the nicotinamide as the bottom product and recycling of the top product, depleted with respect to nicotinamide, into the amidation stage together with addition of fresh amounts of nicotinic acid.
    Type: Grant
    Filed: November 14, 1985
    Date of Patent: July 21, 1987
    Assignee: BASF Aktiengesellschaft
    Inventors: Karl G. Baur, Volker Diehl, Peter Stops, Hans Hellbach, Erwin Brunner
  • Preparation of 2-methyl-pentane-2,4-diol
    Patent number: 4298766
    Abstract: A process for the preparation of 2-methyl-pentane-2,4-diol by hydrogenating diacetone-alcohol at an elevated temperature in the presence of a catalyst which has been obtained by calcining the compound of the formula Ni.sub.6 Al.sub.2 (OH).sub.16 CO.sub.3 . 4H.sub.2 O.
    Type: Grant
    Filed: September 17, 1979
    Date of Patent: November 3, 1981
    Assignee: BASF Aktiengesellschaft
    Inventors: Franz J. Broecker, Karl G. Baur, Rolf Platz, Joachim Stabenow
  • Manufacture of alkylphenols
    Patent number: 4138591
    Abstract: Alkylphenols are manufactured by reacting phenols with olefins, stripping the reaction mixture by means of an inert gas, cooling the phenol-containing gas mixture and removing the unconverted phenol. The products are starting materials for the manufacture of dyes, pesticides, pharmaceuticals, emsulfiers, dispersing agents, stabilizers, antioxidants, plasticizers, corrosion inhibitors, disinfectants, seed dressings, stabilizers against ageing, crop protection agents and scents.
    Type: Grant
    Filed: October 19, 1977
    Date of Patent: February 6, 1979
    Assignee: BASF Aktiengesellschaft
    Inventors: Karl G. Baur, Hans Hellbach, Rolf Platz, Kurt Taglieber