Patents by Inventor Lutz Mindach

Lutz Mindach 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).

  • Catalyst and process for preparing color-reduced polyisocyanates containing isocyanurate groups
    Patent number: 6730628
    Abstract: The present invention relates to a catalyst and to a process for preparing color-reduced polyisocyanates containing isocyanurate groups.
    Type: Grant
    Filed: February 4, 2003
    Date of Patent: May 4, 2004
    Assignee: Degussa AG
    Inventors: Stephan Kohlstruk, Lutz Mindach, Michael Ewald
  • Catalyst and process for preparing color-reduced polyisocyanates containing isocyanurate groups
    Publication number: 20030158368
    Abstract: The present invention relates to a catalyst and to a process for preparing color-reduced polyisocyanates containing isocyanurate groups.
    Type: Application
    Filed: February 4, 2003
    Publication date: August 21, 2003
    Applicant: DEGUSA AG
    Inventors: Stephan Kohlstruk, Lutz Mindach, Michael Ewald
  • Catalyst and process for preparing color-reduced polyisocyanates containing isocyanurate groups
    Publication number: 20030153714
    Abstract: The present invention relates to a catalyst and to a process for preparing color-reduced polyisocyanates containing isocyanurate groups.
    Type: Application
    Filed: February 4, 2003
    Publication date: August 14, 2003
    Applicant: DEGUSA AG
    Inventors: Stephan Kohlstruk, Lutz Mindach, Michael Ewald
  • Catalyst and process for preparing color-reduced polyisocyanates containing isocyanurate groups
    Patent number: 6552154
    Abstract: The present invention relates to a catalyst and to a process for preparing color-reduced polyisocyanates containing isocyanurate groups.
    Type: Grant
    Filed: September 18, 2000
    Date of Patent: April 22, 2003
    Assignee: Degussa AG
    Inventors: Stephan Kohlstruk, Lutz Mindach, Michael Ewald
  • Pulverulent, water-dispersible, blocked polyisocyanate adducts, a process for the preparation and their use
    Publication number: 20020061999
    Abstract: A blocked polyisocyanate adduct including 5 to 95% by weight of at least one isocyanate component having at least one NCO group, the isocyanate component selected from the group consisting of aliphatic, cycloaliphatic and aromatic isocyanates, wherein the isocyanate has an average molecular weight of up to 1000 g/mol and an average NCO functionality of 2-4; 5 to 70% by weight of at least one hydrophilicizing component containing at least one group which is reactive toward the at least one NCO group; at least one blocking agent for blocking from 95 to 100% of the NCO groups which do not react with the hydrophilicizing component; and up to 15% by weight of at least one neutralizing agent.
    Type: Application
    Filed: September 27, 2001
    Publication date: May 23, 2002
    Applicant: Degussa AG
    Inventors: Klaus-Peter Jonderko, Klaus Janischewski, Lutz Mindach