Patents by Inventor Jan Pleun Lens

Jan Pleun Lens 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).

  • 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
  • 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: 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
  • Publication number: 20190203018
    Abstract: A flame retardant thermoplastic composition has high flame retardance at low thicknesses, good flow properties, good impact strength, and good flexural modulus. The polymer composition includes a polycarbonate polymer, a flame retardant additive, talc, glass fibers, and an acid stabilizer in synergistic amounts.
    Type: Application
    Filed: March 11, 2019
    Publication date: July 4, 2019
    Inventors: Robert van de Grampel, Karin van de Wetering, Hendrik Theodorus van de Grampel, Jan Pleun Lens, Johannes Goossens
  • Publication number: 20190144659
    Abstract: A flame-retardant composition is described as comprising phosphonate oligomers or polymers of formula (I) as a component (A) an amino ether of formula (II) as a component (B) and a thermoplastic polymer as a component (C), where the components (A), (B) and (C) are as defined.
    Type: Application
    Filed: November 13, 2018
    Publication date: May 16, 2019
    Applicants: Clariant Plastics & Coatings Ltd., FRX Polymers Ltd.
    Inventors: Sebastian HÖROLD, Toa WANG, Jan-Pleun LENS, Youmi JEONG
  • Publication number: 20190127576
    Abstract: Disclosed is a resin composition containing phosphonate and polyphenylene oxide (PPO) oligomers/polymers useful for coating prepregs used to make copper clad laminates used in printed circuit boards. The compositions contain crosslinking agents used to ensure a dense crosslink network as demonstrated by high glass transition temperatures (Tg's).
    Type: Application
    Filed: October 29, 2018
    Publication date: May 2, 2019
    Inventors: Lawino KAGUMBA, Jan-Pleun LENS
  • 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
  • Publication number: 20180265679
    Abstract: A flame retardant thermoplastic composition has high flame retardance at low thicknesses, good flow properties, good impact strength, and good flexural modulus. The polymer composition includes a polycarbonate polymer, a flame retardant additive, talc, glass fibers, and an acid stabilizer in synergistic amounts.
    Type: Application
    Filed: May 18, 2018
    Publication date: September 20, 2018
    Inventors: Robert van de Grampel, Karin van de Wetering, Hendrik Theodorus van de Grampel, Jan Pleun Lens, Johannes Goossens
  • 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
  • Publication number: 20180187084
    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: Application
    Filed: January 5, 2018
    Publication date: July 5, 2018
    Inventors: Jan-Pleun Lens, Lawino Kagumba
  • Publication number: 20180155541
    Abstract: Embodiments described herein are directed to compositions comprising nitrogen containing SMA oligomers or polymers in combination with the phosphonate oligomers or polymers. These compositions may be combined with other polymer resins to produce polymer compositions having good electrical, thermal, and mechanical properties combined with flame retardancy.
    Type: Application
    Filed: November 21, 2017
    Publication date: June 7, 2018
    Inventors: Jan-Pleun Lens, Lawino Kagumba, Morgan Pilkenton
  • Publication number: 20170260389
    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: Application
    Filed: May 26, 2017
    Publication date: September 14, 2017
    Inventors: Lawino KAGUMBA, Marc-Andre LEBEL, Jan-Pleun LENS, Youmi JEONG
  • 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
  • Patent number: 9464189
    Abstract: An article and thermoplastic composition including polycarbonate, a polysiloxane-polycarbonate and an x-ray detectable or metal detectable agent having good magnetic permeability and/or electrical conductivity wherein the composition may be used in articles for food preparation. The thermoplastic compositions are useful in forming molds for manufacturing a food product, such as chocolate molds.
    Type: Grant
    Filed: January 17, 2013
    Date of Patent: October 11, 2016
    Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Christopher Luke Hein, Jan-Pleun Lens, Vandita Pai-Paranjape, Constant Peek, Robert Dirk van de Grampel
  • Publication number: 20160244607
    Abstract: Methods for curing unsaturated polyesters or vinyl esters in compositions that include oligomeric phosphates, oligomeric phosphonates, and combinations thereof and compositions and cured polymers made by these methods are described herein.
    Type: Application
    Filed: February 22, 2016
    Publication date: August 25, 2016
    Inventors: Lawino KAGUMBA, Jan-Pleun LENS
  • 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: 9260561
    Abstract: Disclosed are polyestercarbonate copolymers comprising a carbonate unit of Formula (I), an ITR ester unit of Formula (V), and optionally a different carbonate unit of Formula (VI): wherein Ra, Rb, p, q, A, h, j, k, Rc, r, and R1 are as described herein. The polyestercarbonate copolymers have a combination of scratch resistance, good flow, and good weatherability.
    Type: Grant
    Filed: November 21, 2008
    Date of Patent: February 16, 2016
    Assignee: SABIC Global Technologies B.V.
    Inventors: Hans de Brouwer, Robert Dirk van Grampel, James F. Hoover, Adrianus Alphonsus Maria Kusters, Jan-Pleun Lens, Andries Jakobus Petrus van Zyl
  • 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