Patents by Inventor Klaus Kund

Klaus Kund 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: 7241822
    Abstract: The invention relates to a powdery dye composition consisting essentially of C.I. Pigment Red 170 (C.I. No. 12475) and barium sulfate, wherein the barium sulfate is added before or during the production process of the C.I. Pigment Red 170. The inventive addition of barium sulfate enables non-homogeneities and caking to be avoided in the mixture.
    Type: Grant
    Filed: August 1, 2002
    Date of Patent: July 10, 2007
    Assignee: Clariant Produkte (Deutschland) GmbH
    Inventors: Felix W. Grimm, Klaus Kund, Wolfgang Winter, Willi Rauschmann, Bernd Nestler
  • Publication number: 20050004291
    Abstract: The invention relates to a powdery dye composition consisting essentially of C.I. Pigment Red 170 (C.I. No. 12475) and barium sulfate, said barium sulfate being added before or during the production process of the C.I. Pigment Red 170. The inventive addition of barium sulfate enables non-homogeneities and caking to be avoided in the mixer.
    Type: Application
    Filed: August 1, 2002
    Publication date: January 6, 2005
    Inventors: Felix Grimm, Klaus Kund, Wolfgang Winter, Willi Rauschmann, Bernd Nestler
  • Patent number: 6835242
    Abstract: Organic pigments are conditioned by introducing a liquid prepigment suspension into a miniaturized continuous reactor and thermally treating therein.
    Type: Grant
    Filed: March 31, 2003
    Date of Patent: December 28, 2004
    Assignee: Clariant Finance (BVI) Limited
    Inventors: Uwe Nickel, Klaus Kund, Erwin Dietz, Joachim Weber, Olaf Schupp
  • Publication number: 20030164118
    Abstract: Organic pigments are conditioned by introducing a liquid prepigment suspension into a miniaturized continuous reactor and thermally treating therein.
    Type: Application
    Filed: March 31, 2003
    Publication date: September 4, 2003
    Applicant: Clariant Finance (BVI) Limited
    Inventors: Uwe Nickel, Klaus Kund, Erwin Dietz, Joachim Webber, Olaf Schupp
  • Patent number: 6562121
    Abstract: Organic pigments are conditioned by introducing a liquid prepigment suspension into a miniaturized continuous reactor and thermally treating therein.
    Type: Grant
    Filed: June 27, 2001
    Date of Patent: May 13, 2003
    Assignee: Clariant Finance (BVI) Limited
    Inventors: Uwe Nickel, Klaus Kund, Erwin Dietz, Joachim Weber, Olaf Schupp
  • Patent number: 6437104
    Abstract: A process for preparing disazo condensation pigments by diazotization of an aromatic amine, azo coupling with a coupling component to form an azocarboxylic acid or azodicarboxylic acid, formation of an azocarbonyl chloride or azodicarbonyl dichloride and condensation of the azocarbonyl chloride with an aromatic diamine or of the azodicarbonyl dichloride with an aromatic amine comprises effecting the acyl chloride formation and/or the condensation and optionally the diazotization and optionally the azo coupling in a microreactor.
    Type: Grant
    Filed: June 28, 2001
    Date of Patent: August 20, 2002
    Assignee: Clariant GmbH
    Inventors: Uwe Nickel, Klaus Kund, Frank Alfter
  • Publication number: 20020058794
    Abstract: A process for preparing disazo condensation pigments by diazotization of an aromatic amine, azo coupling with a coupling component to form an azocarboxylic acid or azodicarboxylic acid, formation of an azocarbonyl chloride or azodicarbonyl dichloride and condensation of the azocarbonyl chloride with an aromatic diamine or of the azodicarbonyl dichloride with an aromatic amine comprises effecting the acyl chloride formation and/or the condensation and optionally the diazotization and optionally the azo coupling in a microreactor.
    Type: Application
    Filed: June 28, 2001
    Publication date: May 16, 2002
    Applicant: Clariant International Ltd.
    Inventors: Uwe Nickel, Klaus Kund, Frank Alfter
  • Patent number: 6358308
    Abstract: The invention provides a process for aftertreating organic pigments by causing the ground or unground crude organic pigment and liquid or supercritical carbon dioxide to act on one another.
    Type: Grant
    Filed: December 8, 2000
    Date of Patent: March 19, 2002
    Assignee: Clariant GmbH
    Inventors: RĂ¼diger Jung, Klaus Kund, Bernd Nestler, Martin U. Schmidt, Leonhard Unverdorben, Rudolf Steiner
  • Publication number: 20020014179
    Abstract: Organic pigments are conditioned by introducing a liquid prepigment suspension into a miniaturized continuous reactor and thermally treating therein.
    Type: Application
    Filed: June 27, 2001
    Publication date: February 7, 2002
    Applicant: Clariant International Ltd.
    Inventors: Uwe Nickel, Klaus Kund, Erwin Dietz, Joachim Weber, Olaf Schupp
  • Publication number: 20010003959
    Abstract: The invention provides a process for aftertreating organic pigments by causing the ground or unground crude organic pigment and liquid or supercritical carbon dioxide to act on one another.
    Type: Application
    Filed: December 8, 2000
    Publication date: June 21, 2001
    Inventors: Rudiger Jung, Klaus Kund, Bernd Nestler, Martin U. Schmidt, Leonhard Unverdorben, Rudolf Steiner