Patents by Inventor Dieter Golsch

Dieter Golsch 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).

  • Method for producing 2-halogen-pyridine-carboxylic acid amides
    Patent number: 7241896
    Abstract: The invention relates to a process for preparing 2-halopyridinecarboxamides of primary aromatic monoamines I which have a substituent other than hydrogen in the ortho-position to the amino group by reaction of 2-halopyridinecarbonyl chloride II with the aromatic monoamine I, which comprises carrying out the reaction in a solvent mixture comprising water and at least one water-immiscible organic solvent in the presence of none or less than 10 mol %, based on the 2-halopyridinecarbonyl chloride II, of a base other than I or II.
    Type: Grant
    Filed: October 31, 2002
    Date of Patent: July 10, 2007
    Assignee: BASF Aktiengesellschaft
    Inventors: Horst Mayer, Dieter Golsch, Heinz Isak, Jochen Schröder
  • Method for producing arylsulphonic acid isocyanates
    Patent number: 6949672
    Abstract: The present invention relates to a process for preparing arylsulfonyl isocyanates by reacting an arylsulfonamide with phosgene in the presence of a catalytically effective amount of an alkyl isocyanate.
    Type: Grant
    Filed: October 10, 2002
    Date of Patent: September 27, 2005
    Assignee: BASF Aktiengesellschaft
    Inventors: Horst Mayer, Dieter Golsch
  • Method for producing 2-halogen-pyridine-carboxylic acid amides
    Publication number: 20040266837
    Abstract: The invention relates to a process for preparing 2-halopyridinecarboxamides of primary aromatic monoamines I which have a substituent other than hydrogen in the ortho-position to the amino group by reaction of 2-halopyridinecarbonyl chloride II with the aromatic monoamine I, which comprises carrying out the reaction in a solvent mixture comprising water and at least one water-immiscible organic solvent in the presence of none or less than 10 mol %, based on the 2-halopyridinecarbonyl chloride II, of a base other than I or II.
    Type: Application
    Filed: May 3, 2004
    Publication date: December 30, 2004
    Inventors: Horst Mayer, Dieter Golsch, Heinz Isak, Jochen Schroder
  • Method for producing arylsulphonic acid isocyanates
    Publication number: 20040199011
    Abstract: The present invention relates to a process for preparing arylsulfonyl isocyanates by reacting an arylsulfonamide with phosgene in the presence of a catalytically effective amount of an alkyl isocyanate.
    Type: Application
    Filed: April 1, 2004
    Publication date: October 7, 2004
    Inventors: Horst Mayer, Dieter Golsch