Patents by Inventor Christian Lietzau

Christian Lietzau 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: 20240002659
    Abstract: A thermoplastic composition comprises particular amounts of a poly(phenylene ether)-poly(siloxane) block copolymer reaction product; a hydrogenated block copolymer of an alkenyl aromatic and a conjugated diene; tricalcium phosphate; and an organophosphate ester flame retardant. The composition can be particularly useful for use in battery pack insulation films or sheets.
    Type: Application
    Filed: October 26, 2021
    Publication date: January 4, 2024
    Inventors: Haiming CHEN, Christian LIETZAU
  • Patent number: 10113055
    Abstract: Articles exhibiting flame retardancy and heat resistance are fabricated from a composition that includes specific amounts of a poly(phenylene ether)-polysiloxane block copolymer reaction product, a flame retardant, and a reinforcing filler. Articles benefiting from the composition's properties include fuser holders for electrophotographic copiers, fan blades, battery parts for hybrid and electric vehicles, parts for automotive kinetic energy recovery systems, and electric vehicle junction boxes.
    Type: Grant
    Filed: September 22, 2015
    Date of Patent: October 30, 2018
    Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Sho Sato, Christian Lietzau
  • Publication number: 20160009902
    Abstract: Articles exhibiting flame retardancy and heat resistance are fabricated from a composition that includes specific amounts of a poly(phenylene ether)-polysiloxane block copolymer reaction product, a flame retardant, and a reinforcing filler. Articles benefitting from the composition's properties include fuser holders for electrophotographic copiers, fan blades, battery parts for hybrid and electric vehicles, parts for automotive kinetic energy recovery systems, and electric vehicle junction boxes.
    Type: Application
    Filed: September 22, 2015
    Publication date: January 14, 2016
    Inventors: Sho Sato, Christian Lietzau
  • Patent number: 9193868
    Abstract: Articles exhibiting flame retardancy and heat resistance are fabricated from a composition that includes specific amounts of a poly(phenylene ether)-polysiloxane block copolymer reaction product, a flame retardant, and a reinforcing filler. Articles benefiting from the composition's properties include fuser holders for electrophotographic copiers, fan blades, battery parts for hybrid and electric vehicles, parts for automotive kinetic energy recovery systems, and electric vehicle junction boxes.
    Type: Grant
    Filed: May 6, 2014
    Date of Patent: November 24, 2015
    Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Sho Sato, Christian Lietzau
  • Publication number: 20150322262
    Abstract: Articles exhibiting flame retardancy and heat resistance are fabricated from a composition that includes specific amounts of a poly(phenylene ether)-polysiloxane block copolymer reaction product, a flame retardant, and a reinforcing filler. Articles benefitting from the composition's properties include fuser holders for electrophotographic copiers, fan blades, battery parts for hybrid and electric vehicles, parts for automotive kinetic energy recovery systems, and electric vehicle junction boxes.
    Type: Application
    Filed: May 6, 2014
    Publication date: November 12, 2015
    Applicant: SABIC Global Technologies B.V.
    Inventors: Sho Sato, Christian Lietzau
  • Patent number: 8937125
    Abstract: A reinforced poly(phenylene ether)-polysiloxane block copolymer composition includes specific amounts of a poly(phenylene ether)-polysiloxane block copolymer reaction product, a flame retardant, and a reinforcing filler. The composition exhibits a desirable balance of flame retardancy, heat resistance, and stiffness relative to a corresponding poly(phenylene ether) composition, and it is useful to fabricate articles including fuser holders for electrophotographic copiers.
    Type: Grant
    Filed: May 6, 2014
    Date of Patent: January 20, 2015
    Assignee: SABIC Global Technologies B.V.
    Inventors: Christian Lietzau, Sho Sato
  • Patent number: 8933155
    Abstract: A reinforced poly(phenylene ether)-polysiloxane block copolymer composition includes specific amounts of a poly(phenylene ether)-polysiloxane block copolymer reaction product, a flame retardant, and a reinforcing filler. The composition exhibits a desirable balance of flame retardancy, heat resistance, and stiffness relative to a corresponding poly(phenylene ether) composition, and it is useful to fabricate articles including fuser holders for electrophotographic copiers.
    Type: Grant
    Filed: May 6, 2014
    Date of Patent: January 13, 2015
    Assignee: SABIC Global Technologies B.V.
    Inventors: Christian Lietzau, Sho Sato
  • Publication number: 20140243460
    Abstract: A reinforced poly(phenylene ether)-polysiloxane block copolymer composition includes specific amounts of a poly(phenylene ether)-polysiloxane block copolymer reaction product, a flame retardant, and a reinforcing filler. The composition exhibits a desirable balance of flame retardancy, heat resistance, and stiffness relative to a corresponding poly(phenylene ether) composition, and it is useful to fabricate articles including fuser holders for electrophotographic copiers.
    Type: Application
    Filed: May 6, 2014
    Publication date: August 28, 2014
    Inventors: Christian Lietzau, Sho Sato
  • Publication number: 20140243461
    Abstract: A reinforced poly(phenylene ether)-polysiloxane block copolymer composition includes specific amounts of a poly(phenylene ether)-polysiloxane block copolymer reaction product, a flame retardant, and a reinforcing filler. The composition exhibits a desirable balance of flame retardancy, heat resistance, and stiffness relative to a corresponding poly(phenylene ether) composition, and it is useful to fabricate articles including fuser holders for electrophotographic copiers.
    Type: Application
    Filed: May 6, 2014
    Publication date: August 28, 2014
    Applicant: SABIC Global Technologies B.V.
    Inventors: Christian Lietzau, Sho Sato
  • Patent number: 8791181
    Abstract: A reinforced poly(phenylene ether)-polysiloxane block copolymer composition includes specific amounts of a poly(phenylene ether)-polysiloxane block copolymer reaction product, a flame retardant, and a reinforcing filler. The composition exhibits a desirable balance of flame retardancy, heat resistance, and stiffness relative to a corresponding poly(phenylene ether) composition, and it is useful to fabricate articles including fuser holders for electrophotographic copiers.
    Type: Grant
    Filed: March 1, 2013
    Date of Patent: July 29, 2014
    Assignee: Sabic Innovative Plastics IP B.V.
    Inventors: Christian Lietzau, Sho Sato
  • Publication number: 20140128522
    Abstract: A reinforced poly(phenylene ether)-polysiloxane block copolymer composition includes specific amounts of a poly(phenylene ether)-polysiloxane block copolymer reaction product, a flame retardant, and a reinforcing filler. The composition exhibits a desirable balance of flame retardancy, heat resistance, and stiffness relative to a corresponding poly(phenylene ether) composition, and it is useful to fabricate articles including fuser holders for electrophotographic copiers.
    Type: Application
    Filed: March 1, 2013
    Publication date: May 8, 2014
    Applicant: SABIC Innovative Plastics IP B.V.
    Inventors: Christian Lietzau, Sho Sato
  • Patent number: 8674012
    Abstract: A composition includes specific amounts of a poly(phenylene ether)-polysiloxane block copolymer reaction product and an impact modifier. The poly(phenylene ether)-polysiloxane block copolymer reaction product includes a poly(phenylene ether) and a poly(phenylene ether)-polysiloxane block copolymer. The composition exhibits a desirable balance of impact strength, heat resistance, and flame retardancy while minimizing or excluding flame retardant additives such as organophosphate esters and halogenated flame retardants.
    Type: Grant
    Filed: October 15, 2012
    Date of Patent: March 18, 2014
    Assignee: Sabic Innovative Plastics IP B.V.
    Inventors: Nitin Tople, Christian Lietzau, Hua Guo
  • Publication number: 20140073725
    Abstract: A composition includes specific amounts of a poly(phenylene ether)-polysiloxane block copolymer reaction product and an impact modifier. The poly(phenylene ether)-polysiloxane block copolymer reaction product includes a poly(phenylene ether) and a poly(phenylene ether)-polysiloxane block copolymer. The composition exhibits a desirable balance of impact strength, heat resistance, and flame retardancy while minimizing or excluding flame retardant additives such as organophosphate esters and halogenated flame retardants.
    Type: Application
    Filed: October 15, 2012
    Publication date: March 13, 2014
    Applicant: SABIC INNOVATIVE PLASTICS IP B.V.
    Inventors: Nitin Tople, Christian Lietzau, Hua Guo
  • Patent number: 8653167
    Abstract: A molding composition is disclosed which contains specific amounts of poly(arylene ether), styrenic polymer, hydrogenated block copolymer, flame retardant, and polytetrafluoroethylene. The molding composition performs well on a battery of tests, including heat resistance, impact strength, melt flow, and flame retardancy, and is particularly useful for producing photovoltaic junction boxes and connectors.
    Type: Grant
    Filed: May 26, 2011
    Date of Patent: February 18, 2014
    Assignee: Sabic Innovative Plastics IP
    Inventors: Christian Lietzau, Norihiro Takamura, Adrie Landa
  • Publication number: 20140045979
    Abstract: A composition having a combination of high heat resistance, high impact strength, and high flame retardance includes specific amounts of poly(phenylene ether), hydrogenated block copolymer, and organophosphate flame retardant. The composition has minimal amounts or excludes certain styrenic polymers, polyolefins, and reinforcing fillers. Also disclosed are injection molded articles formed from the composition. The composition is particularly useful as a molding composition for photovoltaic junction boxes and connectors.
    Type: Application
    Filed: August 9, 2012
    Publication date: February 13, 2014
    Applicant: SABIC Innovative Plastics IP B.V.
    Inventors: Christopher Ziegler, Christian Lietzau
  • Publication number: 20130030096
    Abstract: A poly(arylene ether) composition includes a styrenic polymer, a flame retardant comprising an organophosphate ester, and a poly(arylene ether)-polysiloxane block copolymer reaction product. The poly(arylene ether)-polysiloxane block copolymer reaction product includes a poly(arylene ether)-polysiloxane block copolymer and a poly(arylene ether) homopolymer. The composition is useful for forming molded articles, including photovoltaic junction boxes and connectors. The composition exhibits stiffness and a good balance of flame retardancy, impact strength, flow, and heat resistance.
    Type: Application
    Filed: July 25, 2011
    Publication date: January 31, 2013
    Inventor: Christian Lietzau
  • Publication number: 20120302679
    Abstract: A molding composition is disclosed which contains specific amounts of poly(arylene ether), styrenic polymer, hydrogenated block copolymer, flame retardant, and polytetrafluoroethylene. The molding composition performs well on a battery of tests, including heat resistance, impact strength, melt flow, and flame retardancy, and is particularly useful for producing photovoltaic junction boxes and connectors.
    Type: Application
    Filed: May 26, 2011
    Publication date: November 29, 2012
    Inventors: Christian Lietzau, Norihiro Takamura, Adrie Landa
  • Patent number: 8110632
    Abstract: A profile extruded article includes a composition that is formed by melt-kneading particular amounts of a poly(arylene ether), a polystyrene-poly(ethylene-butylene)-polystyrene triblock copolymer, a homopolystyrene, and a polysalicylate. The article is particularly useful in the fabrication of solar collectors for low cost solar energy systems.
    Type: Grant
    Filed: January 15, 2009
    Date of Patent: February 7, 2012
    Assignee: Sabic Innovative Plastics IP B.V.
    Inventors: Christian Lietzau, Vijay R. Mhetar, Abhijit Namjoshi, Geuch Zijlma
  • Publication number: 20100179290
    Abstract: A profile extruded article includes a composition that is formed by melt-kneading particular amounts of a poly(arylene ether), a polystyrene-poly(ethylene-butylene)-polystyrene triblock copolymer, a homopolystyrene, and a polysalicylate. The article is particularly useful in the fabrication of solar collectors for low cost solar energy systems.
    Type: Application
    Filed: January 15, 2009
    Publication date: July 15, 2010
    Inventors: Christian Lietzau, Vijay R. Mhetar, Abhijit Namjoshi, Geuch Zijlma
  • Patent number: 7585935
    Abstract: A method is disclosed to purify a polymeric material by filtering a melt comprising poly(arylene ether) and poly(alkenyl aromatic) through a melt filtration system. The method provides a filtered polymeric composition having reduced levels of particulate impurities. The filtered polymeric composition prepared is suitable for use in data storage media applications.
    Type: Grant
    Filed: April 7, 2008
    Date of Patent: September 8, 2009
    Assignee: Sabic Innovative Plastics IP B.V.
    Inventors: Robert John Hossan, Christian Lietzau, Matthew Frank Niemeyer, Mukund Parthasarathy