Patents by Inventor Nikolaus Janke

Nikolaus Janke 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).

  • Flame retardants for polymers comprising a mixture of two different aryl phosphates, their preparation and their use
    Patent number: 6774163
    Abstract: The present invention relates to a novel flame retardant system for polymers comprising a mixture of two different aryl phosphates, to its preparation, and to its use.
    Type: Grant
    Filed: April 11, 2003
    Date of Patent: August 10, 2004
    Assignee: Bayer Chemicals AG
    Inventors: Nikolaus Janke, Otto Mauerer, Manfred Pieroth
  • Flame-resistant polycarbonate ABS moulding compounds
    Patent number: 6686404
    Abstract: Flame-retardant thermoplastic moulding compositions containing an aromatic polycarbonate or polyestercarbonate, a graft polymer, a thermoplastic vinyl copolymer, a fluorinated polyolefin, 0.5 to 20 parts by weight of at least one phosphorus compound of general formula (I) wherein the average degree of polycondensation N of component D is always >5, a very finely divided inorganic powder with an average diameter of 0.1 to 200 nm and/or a monophosphorus compound, wherein the sum of the parts by weight of all the components is 100.
    Type: Grant
    Filed: July 7, 2000
    Date of Patent: February 3, 2004
    Assignee: Bayer Aktiengesellschaft
    Inventors: Thomas Eckel, Michael Zobel, Dieter Wittmann, Nikolaus Janke
  • Flame retardants for polymers comprising a mixture of two different aryl phosphates, their preparation and their use
    Publication number: 20030195281
    Abstract: The present invention relates to a novel flame retardant system for polymers comprising a mixture of two different aryl phosphates, to its preparation, and to its use.
    Type: Application
    Filed: April 11, 2003
    Publication date: October 16, 2003
    Inventors: Nikolaus Janke, Otto Mauerer, Manfred Pieroth
  • Process for preparing phosphoric acid esters
    Patent number: 6489502
    Abstract: The present invention relates to a process for preparing phosphoric acid esters, in particular a process for preparing monomeric bridged bisaryl diphosphates, wherein a water-binding agent is added to the reaction solution.
    Type: Grant
    Filed: December 4, 2000
    Date of Patent: December 3, 2002
    Assignee: Bayer Aktiengesellschaft
    Inventors: Nikolaus Janke, Manfred Pieroth, Dieter Heinz, Werner Bäcker
  • Flame-resistant polycarbonate compositions
    Publication number: 20020147256
    Abstract: The invention relates to flame-resistant polycarbonate compositions comprising a phosphorus compound of the general formula (I), 1
    Type: Application
    Filed: July 23, 2001
    Publication date: October 10, 2002
    Inventors: Thomas Eckel, Nikolaus Janke, Uwe Peucker, Andreas Seidel, Dieter Wittmann
  • Process for preparing phosphoric acid esters
    Patent number: 6420465
    Abstract: The present invention relates to a process for preparing phosphoric acid esters, in particular monomeric bisaryl diphosphates, or bridged phosphates.
    Type: Grant
    Filed: December 4, 2000
    Date of Patent: July 16, 2002
    Assignee: Bayer Aktiengesellschaft
    Inventors: Nikolaus Janke, Reinhard Pech, Andreas Chrisochoou, Dieter Heinz, Werner Bäcker, Kaspar Hallenberger
  • PROCESS FOR PREPARING PHOSPHORIC ACID ESTERS
    Publication number: 20020068835
    Abstract: The present invention relates to a process for preparing phosphoric acid esters, in particular monomeric bisaryl diphosphates, or bridged phosphates.
    Type: Application
    Filed: December 4, 2000
    Publication date: June 6, 2002
    Inventors: Nikolaus Janke, Reinhard Pech, Andreas Chrisochoou, Dieter Heinz, Werner Backer, Kaspar Hallenberger
  • Process for preparing phosphoric acid esters
    Publication number: 20020038044
    Abstract: The present invention relates to a process for preparing phosphoric acid esters, in particular a process for preparing monomeric bridged bisaryl diphosphates, wherein a water-binding agent is added to the reaction solution.
    Type: Application
    Filed: December 4, 2000
    Publication date: March 28, 2002
    Inventors: Nikolaus Janke, Manfred Pieroth, Dieter Heinz, Werner Backer