Patents by Inventor Jan Klitschke

Jan Klitschke 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).

  • Composition for anionic lactam polymerization
    Patent number: 9290621
    Abstract: A composition comprising a) at least one aliphatic or cycloaliphatic isocyanate compound having at least two isocyanate groups and b) at least one lactone, containing 4 to 7 carbon atoms and use of the composition as an activator for anionic lactam polymerization to obtain polyamides.
    Type: Grant
    Filed: October 23, 2014
    Date of Patent: March 22, 2016
    Assignee: BruggemannChemical L. Bruggemann KG
    Inventors: Jan Klitschke, Klaus Bergmann
  • COMPOSITION FOR ANIONIC LACTAM POLYMERIZATION
    Publication number: 20150045531
    Abstract: A composition comprising a) at least one aliphatic or cycloaliphatic isocyanate compound having at least two isocyanate groups and b) at least one lactone, containing 4 to 7 carbon atoms and use of the composition as an activator for anionic lactam polymerization to obtain polyamides.
    Type: Application
    Filed: October 23, 2014
    Publication date: February 12, 2015
    Inventors: Jan Klitschke, Klaus Bergmann
  • COMPOSITION FOR ANIONIC LACTAM POLYMERIZATION
    Publication number: 20120283406
    Abstract: A composition comprising a) at least one aliphatic or cycloaliphatic isocyanate compound having at least two isocyanate groups and b) at least one lactone, containing 4 to 7 carbon atoms and use of the composition as an activator for anionic lactam polymerization to obtain polyamides.
    Type: Application
    Filed: May 2, 2012
    Publication date: November 8, 2012
    Applicant: BrüggemannChemical L. Brüggemann KG
    Inventors: Jan Klitschke, Klaus Bergmann