Patents by Inventor Dieter Freitag

Dieter Freitag 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).

  • Publication number: 20180127656
    Abstract: The invention relates to the use of amino terminated phosphonamides and their oligomers, as flame retardant additives for a variety of polymers to impart flame retardancy while maintaining or improving processing characteristics and other important properties.
    Type: Application
    Filed: October 9, 2017
    Publication date: May 10, 2018
    Inventors: Dieter FREITAG, Marc-Andre LEBEL, Lawino KAGUMBA, Marc E. LEBEL, Peter S. SCHULER
  • Patent number: 9938381
    Abstract: Predominately amino terminated phosphonamide oligomers and their use as flame retardant additives in polyamides and copolyamides without detracting from melt processability are described herein. Other important properties such as strength, modulus, dyeing and thermal stability are maintained.
    Type: Grant
    Filed: September 30, 2015
    Date of Patent: April 10, 2018
    Assignee: FRX POLYMERS, INC.
    Inventors: Dieter Freitag, Pin Go, Youmi Jeong, Lawino Kagumba
  • Publication number: 20180016412
    Abstract: Disclosed are new compositions consisting of mixtures of flame retardants for thermoplastic polyesters based on a phosphinate salt, phosphonate oligomers, polymers or copolymers and a melamine derivative. The compositions exhibit an excellent combination of processing characteristics, thermal and mechanical properties, and are flame retardant. Further disclosed are articles of manufacture produced from these materials, such as fibers, films, coated substrates, moldings, foams, fiber-reinforced articles, or any combination thereof.
    Type: Application
    Filed: September 26, 2017
    Publication date: January 18, 2018
    Inventors: Wolfgang WANZKE, Sebastian HOEROLD, Marc-Andre LEBEL, Karl Dieter FREITAG
  • Patent number: 9783737
    Abstract: The invention relates to the use of amino terminated phosphonamides and their oligomers, as flame retardant additives for a variety of polymers to impart flame retardancy while maintaining or improving processing characteristics and other important properties.
    Type: Grant
    Filed: November 11, 2011
    Date of Patent: October 10, 2017
    Assignee: FRX POLYMERS, INC.
    Inventors: Dieter Freitag, Marc-Andre Lebel, Lawino Kagumba, Marc E. Lebel, Peter S. Schuler
  • Patent number: 9745424
    Abstract: Insoluble polyphosphonates produced via a transesterification process, methods for preparing such insoluble polyphosphonates and polymer compositions and articles of manufacture including such insoluble polyphosphonates are described herein.
    Type: Grant
    Filed: July 30, 2008
    Date of Patent: August 29, 2017
    Assignee: FRX POLYMERS, INC.
    Inventors: Dieter Freitag, Pin Go
  • Patent number: 9527984
    Abstract: Disclosed are polymer compositions including polycarbonates, polyphosphonates, copoly(phosphonate carbonate)s, and organic salts and/or silicone containing compounds that exhibit a superior combination of properties compared to prior art.
    Type: Grant
    Filed: March 9, 2015
    Date of Patent: December 27, 2016
    Assignee: FRX Polymers, Inc.
    Inventors: Dieter Freitag, Jan-Pleun Lens, Marc-Andre Lebel
  • Publication number: 20160017100
    Abstract: Predominately amino terminated phosphonamide oligomers and their use as flame retardant additives in polyamides and copolyamides without detracting from melt processability are described herein. Other important properties such as strength, modulus, dyeing and thermal stability are maintained.
    Type: Application
    Filed: September 30, 2015
    Publication date: January 21, 2016
    Inventors: Dieter FREITAG, Pin GO, Youmi JEONG, Lawino KAGUMBA
  • Patent number: 9150711
    Abstract: Predominately amino terminated phosphonamide oligomers and their use as flame retardant additives in polyamides and copolyamides without detracting from melt processability are described herein. Other important properties such as strength, modulus, dyeing and thermal stability are maintained.
    Type: Grant
    Filed: November 12, 2012
    Date of Patent: October 6, 2015
    Assignee: FRX Polymers, Inc.
    Inventors: Dieter Freitag, Pin Go, Youmi Jeong, Lawino Kagumba
  • Publication number: 20150210848
    Abstract: Disclosed are compositions including engineering plastics; melamine, melamine salts or melamine derivatives; and linear or branched polyphosphonates or copolyphosphonates which exhibit excellent processing characteristics, thermal and mechanical properties and flame resistance, and articles of manufacture produced from these materials, such as fibers, films, coated substrates, moldings, foams, fiber-reinforced articles, or any combination thereof.
    Type: Application
    Filed: April 9, 2015
    Publication date: July 30, 2015
    Applicant: FRX POLYMERS, INC.
    Inventors: Dieter FREITAG, Gad STAHL, Marc-Andre LEBEL
  • Publication number: 20150175777
    Abstract: Disclosed are polymer compositions including polycarbonates, polyphosphonates, copoly(phosphonate carbonate)s, and organic salts and/or silicone containing compounds that exhibit a superior combination of properties compared to prior art.
    Type: Application
    Filed: March 9, 2015
    Publication date: June 25, 2015
    Applicant: FRX POLYMERS, INC.
    Inventors: Dieter FREITAG, Jan-Pleun LENS, Marc-Andre LEBEL
  • Patent number: 8975367
    Abstract: Disclosed are polymer compositions including polycarbonates, polyphosphonates, copoly(phosphonate carbonate)s, and organic salts and/or silicone containing compounds that exhibit a superior combination of properties compared to prior art.
    Type: Grant
    Filed: April 16, 2012
    Date of Patent: March 10, 2015
    Assignee: FRX Polymers, Inc.
    Inventors: Dieter Freitag, Jan-Pleun Lens, Marc A. Lebel
  • Patent number: 8779041
    Abstract: Disclosed are oligomeric phosphonates including oligophosphonates, random or block co-oligo(phosphonate ester)s and co-oligo(phosphonate carbonate)s produced using a condensation process terminated with hydroxyl, epoxy, vinyl, vinyl ester, isopropenyl, isocyanate groups, and the like. These materials can be used as a reactive additive to other polymers, oligomers or monomer mixtures to impart flame resistance without diminishing melt processability which is important in the fabrication of polymers for many applications.
    Type: Grant
    Filed: September 12, 2013
    Date of Patent: July 15, 2014
    Assignee: FRX Polymers, Inc.
    Inventors: Lawino Kagumba, Jan-Pleun Lens, Dieter Freitag
  • Patent number: 8648163
    Abstract: Disclosed are random copoly(phosphonate carbonate)s with the high molecular weight and narrow molecular weight distribution exhibiting a superior combination of properties compared to prior art.
    Type: Grant
    Filed: February 11, 2013
    Date of Patent: February 11, 2014
    Assignees: FRX Polymers, Inc., Bayer Material Science AG
    Inventors: Dieter Freitag, Pin Go, Lawino Kagumba, Stephan Konrad, Helmut-Werner Heuer, Berit Krauter, Pieter Ooms, Michael Prein, Johann Rechner
  • Publication number: 20140018471
    Abstract: Disclosed are oligomeric phosphonates including oligophosphonates, random or block co-oligo(phosphonate ester)s and co-oligo(phosphonate carbonate)s produced using a condensation process terminated with hydroxyl, epoxy, vinyl, vinyl ester, isopropenyl, isocyanate groups, and the like. These materials can be used as a reactive additive to other polymers, oligomers or monomer mixtures to impart flame resistance without diminishing melt processability which is important in the fabrication of polymers for many applications.
    Type: Application
    Filed: September 12, 2013
    Publication date: January 16, 2014
    Applicant: FRX POLYMERS, INC.
    Inventors: Lawino KAGUMBA, Jan-Pleun LENS, Dieter FREITAG
  • Patent number: 8563638
    Abstract: Disclosed are oligomeric phosphonates including oligophosphonates, random or block co-oligo(phosphonate ester)s and co-oligo(phosphonate carbonate)s produced using a condensation process terminated with hydroxyl, epoxy, vinyl, vinyl ester, isopropenyl, isocyanate groups, and the like. These materials can be used as a reactive additive to other polymers, oligomers or monomer mixtures to impart flame resistance without diminishing melt processability which is important in the fabrication of polymers for many applications.
    Type: Grant
    Filed: December 22, 2011
    Date of Patent: October 22, 2013
    Assignee: FRX Polymers, Inc.
    Inventors: Lawino Kagumba, Jan-Pleun Lens, Dieter Freitag
  • Patent number: 8530044
    Abstract: Disclosed are oligomeric phosphonates, and in particular, hyperbranched oligophosphonates, that include oligophosphonates, random or block co-oligo(phosphonate ester)s and co-oligo(phosphonate carbonate)s produced using a condensation process terminated with hydroxyl, epoxy, vinyl, vinyl ester, isopropenyl, isocyanate groups, and the like. These materials can be used as a reactive additive to other polymers, oligomers or monomer mixtures to impart flame resistance without diminishing melt processability which is important in the fabrication of polymers for many applications.
    Type: Grant
    Filed: December 22, 2011
    Date of Patent: September 10, 2013
    Assignee: FRX Polymers, Inc.
    Inventors: Lawino Kagumba, Jan-Pleun Lens, Dieter Freitag
  • Patent number: 8415438
    Abstract: Disclosed is a new method and compositions from the method consisting of block copolycarbonate/phosphonates that exhibit an excellent combination of flame resistance, hydrolytic stability, high Tg, low melt viscosity, low color and high toughness. Also disclosed are polymer mixtures or blends comprised of these block copolycarbonate/phosphonate compositions and commodity and engineering plastics and articles produced therefrom. Further disclosed are articles of manufacture produced from these materials, such as fibers, films, coated substrates, moldings, foams, adhesives and fiber-reinforced articles, or any combination thereof.
    Type: Grant
    Filed: October 26, 2010
    Date of Patent: April 9, 2013
    Assignee: FRX Polymers, Inc.
    Inventor: Dieter Freitag
  • Patent number: 8389664
    Abstract: Disclosed are random copoly(phosphonate carbonate)s with the high molecular weight and narrow molecular weight distribution exhibiting a superior combination of properties compared to prior art.
    Type: Grant
    Filed: September 16, 2011
    Date of Patent: March 5, 2013
    Assignees: FRX Polymers, Inc., Bayer Material Science AG
    Inventors: Dieter Freitag, Pin Go, Lawino Kagumba, Stephan Konrad, Helmut-Werner Heuer, Berit Krauter, Pieter Ooms, Michael Prein, Johann Rechner
  • Publication number: 20120264844
    Abstract: Disclosed are polymer compositions including polycarbonates, polyphosphonates, copoly(phosphonate carbonate)s, and organic salts and/or silicone containing compounds that exhibit a superior combination of properties compared to prior art.
    Type: Application
    Filed: April 16, 2012
    Publication date: October 18, 2012
    Applicant: FRX POLYMERS, INC.
    Inventors: Dieter FREITAG, Jan-Pleun LENS, Marc A. LEBEL
  • Publication number: 20120175573
    Abstract: Disclosed are new compositions consisting of polyphosphonates and specific additive compositions that exhibit superior resistance to degradation due to exposure to air, high temperature and air, moisture or combinations thereof. Also disclosed are polymer mixtures or blends comprising these polyphosphonates/additive compositions and commodity and engineering plastics and articles produced therefrom. Further disclosed are articles of manufacture produced from these materials, such as fibers, films, coated substrates, moldings, foams, fiber-reinforced articles, or any combination thereof.
    Type: Application
    Filed: January 6, 2012
    Publication date: July 12, 2012
    Applicant: FRX POLYMERS, INC.
    Inventors: Dieter Freitag, Pin Go, Gad Stahl