Patents Assigned to FRX Polymers, Inc.
  • Patent number: 11718747
    Abstract: Flame retardant compositions, blends and articles include phosphonate polymers, nanoparticles and optionally dispersing agents. A method for preparing such retardant composition, blends, and articles is also presented herein.
    Type: Grant
    Filed: January 14, 2019
    Date of Patent: August 8, 2023
    Assignees: Evonik Operations GmbH, FRX Polymers, Inc.
    Inventors: Kathrin Lehmann, Sebastian Hessner, Jan-Pleun Lens, Xiudong Sun
  • Patent number: 10836909
    Abstract: This disclosure relates to polymer compositions comprising blends of polyesters and phosphonate oligomers or polymers as well as methods of making them and articles of manufacture made from such blends.
    Type: Grant
    Filed: October 16, 2018
    Date of Patent: November 17, 2020
    Assignee: FRX POLYMERS, INC.
    Inventors: Xiudong Sun, Youmi Jeong, Peter Louvaris
  • Publication number: 20200339802
    Abstract: Flame retardant compositions, blends and articles include phosphonate polymers, nanoparticles and optionally dispersing agents. A method for preparing such retardant composition, blends, and articles is also presented herein.
    Type: Application
    Filed: January 14, 2019
    Publication date: October 29, 2020
    Applicants: Evonik Operations GmbH, FRX Polymers, Inc.
    Inventors: Kathrin Lehmann, Sebastian Hessner, Jan-Pleun Lens, Xiudong Sun
  • Patent number: 10724154
    Abstract: The invention relates to the use of polyphosphonates, copoly(phosphonate ester)s, copoly(phosphonate carbonate)s, and their respective oligomers, as flame retardant additives for polyester fibers to impart fire resistance while maintaining or improving processing characteristics for melt spinning fibers.
    Type: Grant
    Filed: February 22, 2016
    Date of Patent: July 28, 2020
    Assignee: FRX POLYMERS, INC.
    Inventors: Marc-Andre Lebel, Lawino Kagumba, Pin Go
  • Patent number: 10717931
    Abstract: Embodiments described herein are directed to oligomeric phosphonates and polyphosphonates that have non-reactive end groups, methods for making such oligomeric phosphonates and polyphosphonates, and compositions containing such oligomeric phosphonates and polyphosphonates. The oligomeric phosphonates and polyphosphonates of such embodiments may be incorporated into engineering polymeric into which they are mixed to make polymer compositions having good flame retardancy and mechanical properties.
    Type: Grant
    Filed: January 5, 2018
    Date of Patent: July 21, 2020
    Assignee: FRX POLYMERS, INC.
    Inventors: Jan-Pleun Lens, Lawino Kagumba
  • Patent number: 10167377
    Abstract: Epoxy containing phosphonate monomers, polymers, copolymers, oligomers and co-oligomers and methods for making the same are describes herein. These materials can be used to make polymers, and can be combined with other polymers, oligomers or monomer mixtures to make resins with excellent fire resistance that can be used in a variety of industrial and consumer products.
    Type: Grant
    Filed: January 22, 2014
    Date of Patent: January 1, 2019
    Assignee: FRX POLYMERS, INC.
    Inventors: Youmi Jeong, Jan-Pleun Lens
  • Patent number: 10077354
    Abstract: Epoxy resin compositions that include oligomeric phosphonates, carbodiimides, carbodiimides and phenolic antioxidants or phosphite antioxidants, oligomeric phosphonates and carbodiimides, or oligomeric phosphonates, carbodiimides, and phenolic antioxidants or phosphite antioxidants and exhibit improved glass transition temperature, improved heat resistance, and improved flame retardancy are described herein.
    Type: Grant
    Filed: April 16, 2015
    Date of Patent: September 18, 2018
    Assignee: FRX POLYMERS, INC.
    Inventors: Youmi Jeong, Lawino Kagumba, Jan-Pleun Lens
  • 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
  • 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: 9695278
    Abstract: Polyester co-polyphosphonates including of phosphonates covalently incorporated with polyesters and methods for making such polyester co-polyphosphonates are described herein. The polyester co-phosphonates and compositions prepared from these compounds exhibit an excellent combination of processing characteristics, mechanical and fire resistant properties.
    Type: Grant
    Filed: July 1, 2013
    Date of Patent: July 4, 2017
    Assignee: FRX POLYMERS, INC.
    Inventors: Lawino Kagumba, Marc-Andre Lebel, Jan-Pleun Lens, Youmi Jeong
  • 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: 20160160041
    Abstract: Disclosed are new compositions consisting of mixtures of flame retardants for thermoplastic and thermoset polymers with the addition of halogenated compounds and phosphonate oligomers, polymers or copolymers, and optionally, additional flame retardants. The compositions exhibit excellent flame retardant properties. Further disclosed are articles of manufacture produced from these materials, such as fibers, films, coated substrates, moldings, foams, fiber-reinforced articles, wires, and cables including these compositions, or any combination thereof.
    Type: Application
    Filed: December 3, 2015
    Publication date: June 9, 2016
    Applicant: FRX Polymers, Inc.
    Inventors: Xiudong SUN, Zhiyuan LAN, Kevin R. TRUDEL
  • Patent number: 9290653
    Abstract: The invention relates to the use of polyphosphonates, copoly(phosphonate ester)s, copoly(phosphonate carbonate)s, and their respective oligomers, as flame retardant additives for polyester fibers to impart fire resistance while maintaining or improving processing characteristics for melt spinning fibers.
    Type: Grant
    Filed: November 16, 2011
    Date of Patent: March 22, 2016
    Assignee: FRX Polymers, Inc.
    Inventors: Marc-Andre Lebel, Lawino Kagumba, Pin Go
  • Patent number: 9267017
    Abstract: Thermoplastic polyurethanes (TPUs) formulations including phosphonate oligomers, phosphonate co-oligomers, phosphonate polymers, or phosphonate containing copolymers which exhibit an excellent combination of properties including optical transparency and melt flow without significant reduction in other important physical or mechanical properties and exceptional fire resistance are described herein.
    Type: Grant
    Filed: August 20, 2012
    Date of Patent: February 23, 2016
    Assignee: FRX Polymers, Inc.
    Inventors: Marc-Andre Lebel, Jan-Pleun Lens
  • 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: 20150252175
    Abstract: Epoxy resin compositions that include oligomeric phosphonates, carbodiimides, carbodiimides and phenolic antioxidants or phosphite antioxidants, oligomeric phosphonates and carbodiimides, or oligomeric phosphonates, carbodiimides, and phenolic antioxidants or phosphite antioxidants and exhibit improved glass transition temperature, improved heat resistance, and improved flame retardancy are described herein.
    Type: Application
    Filed: March 4, 2015
    Publication date: September 10, 2015
    Applicant: FRX POLYMERS, INC.
    Inventors: Youmi JEONG, Lawino KAGUMBA, JAN-PLEUN LENS
  • Publication number: 20150252228
    Abstract: Epoxy resin compositions that include oligomeric phosphonates, carbodiimides, carbodiimides and phenolic antioxidants or phosphite antioxidants, oligomeric phosphonates and carbodiimides, or oligomeric phosphonates, carbodiimides, and phenolic antioxidants or phosphite antioxidants and exhibit improved glass transition temperature, improved heat resistance, and improved flame retardancy are described herein.
    Type: Application
    Filed: April 16, 2015
    Publication date: September 10, 2015
    Applicant: FRX POLYMERS, INC.
    Inventors: Youmi JEONG, Lawino KAGUMBA, Jan-Pleun LENS
  • 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