Patents by Inventor Guenter Margraf

Guenter Margraf 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: 20190211165
    Abstract: The present invention relates to compositions based on long fiber reinforced polyamides, to a method of producing these compositions and also to articles of manufacture that are obtainable from long fiber reinforcements impregnated with a thermoplastic melt based on PA6 or PA66 or based on copolyamides of PA6 or PA66, wherein the thermoplastic melt contains at least one thermal stabilizer combined with at least one ester wax and/or with at least one amide wax.
    Type: Application
    Filed: January 8, 2018
    Publication date: July 11, 2019
    Applicant: LANXESS DEUTSCHLAND GMBH
    Inventors: TOBIAS BENIGHAUS, DETLEV JOACHIMI, GUENTER MARGRAF
  • Publication number: 20170166713
    Abstract: The present invention relates to compositions based on long fiber reinforced polyamides, to a method of producing these compositions and also to articles of manufacture that are obtainable from long fiber reinforcements impregnated with a thermoplastic melt based on PA6 or PA66 or based on copolyamides of PA6 or PA66, wherein the thermoplastic melt contains at least one thermal stabilizer combined with at least one ester wax and/or with at least one amide wax.
    Type: Application
    Filed: February 20, 2015
    Publication date: June 15, 2017
    Inventors: Tobias BENIGHAUS, Detlev JOACHIMI, Guenter MARGRAF
  • Publication number: 20170044351
    Abstract: Polymeric moulding compositions include iron oxalate as a stabilizer system to improve the stability of the moulding compositions with respect to adverse thermooxidative and/or photooxidative effects.
    Type: Application
    Filed: October 31, 2016
    Publication date: February 16, 2017
    Inventors: Tobias BENIGHAUS, Detlev JOACHIMI, Guenter MARGRAF, Christian RUTHARD, Holger SCHMIDT
  • Patent number: 9481780
    Abstract: The present invention relates to thermoplastic molding compositions comprising iron oxalate as stabilizer system with respect to adverse thermooxidative effects. The invention further relates to the use of iron oxalate to improve the stability of thermoplastic molding compositions with respect to adverse thermooxidative and/or photooxidative effects, and also to processes for the production of the said molding compositions.
    Type: Grant
    Filed: March 18, 2013
    Date of Patent: November 1, 2016
    Assignee: LANXESS Deutschland GmbH
    Inventors: Tobias Benighaus, Detlev Joachimi, Guenter Margraf, Christian Ruthard, Holger Schmidt
  • Publication number: 20150099839
    Abstract: The present invention relates to a substance mixture comprising a combination of at least one salt of metal cations and of thermally activatable reducing anions and of at least one polyol, to the use of said substance mixture as stabilizer system for thermoplastic molding compositions or for fibers, foils, or moldings to be produced therefrom with respect to thermooxidative or photooxidative degradation, to a process for the production of said thermoplastic molding compositions, and to the fibers, foils, and moldings to be produced therefrom, and also in turn to uses of these.
    Type: Application
    Filed: March 18, 2013
    Publication date: April 9, 2015
    Inventors: Tobias Benighaus, Detlev Joachimi, Guenter Margraf, Christian Ruthard, Holger Schmidt
  • Publication number: 20150057410
    Abstract: The present invention relates to thermoplastic moulding compositions comprising iron oxalate as stabilizer system with respect to adverse thermooxidative effects. The invention further relates to the use of iron oxalate to improve the stability of thermoplastic moulding compositions with respect to adverse thermooxidative and/or photooxidative effects, and also to processes for the production of the said moulding compositions.
    Type: Application
    Filed: March 18, 2013
    Publication date: February 26, 2015
    Inventors: Tobias Benighaus, Detlev Joachimi, Guenter Margraf, Christian Ruthard, Holger Schmidt
  • Publication number: 20140100305
    Abstract: This invention relates to polyamide moulding compositions with high resistance to heat/light ageing.
    Type: Application
    Filed: October 4, 2013
    Publication date: April 10, 2014
    Applicant: LANXESS Deutschland GmbH
    Inventors: Guenter MARGRAF, Detlev JOACHIMI
  • Patent number: 8383242
    Abstract: The present invention relates to lightweight components of hybrid design, also termed hybrid component or hollow-chamber lightweight component, composed of a parent body which is composed of galvanized iron and which is reinforced by means of thermoplastics and is suitable for the transmission of high mechanical loads.
    Type: Grant
    Filed: November 13, 2009
    Date of Patent: February 26, 2013
    Assignee: Lanxess Deutschland GmbH
    Inventors: Thomas Malek, Julian Haspel, Ulrich Dajek, Ralf Zimnol, Guenter Margraf
  • Patent number: 8080296
    Abstract: The present invention relates to lightweight components of hybrid design, also termed hybrid component or hollow-chamber lightweight component, composed of a parent body which is composed of surface-pretreated aluminium and which is reinforced by means of thermoplastics and is suitable for the transmission of high mechanical loads, where particular flow aids are added to the thermoplastic in order to improve its physical properties.
    Type: Grant
    Filed: November 13, 2009
    Date of Patent: December 20, 2011
    Assignee: Lanxess Deutschland GmbH
    Inventors: Thomas Malek, Julian Haspel, Ulrich Dajek, Ralf Zimnol, Guenter Margraf
  • Publication number: 20100173126
    Abstract: The present invention relates to lightweight components of hybrid design, also termed hybrid component or hollow-chamber lightweight component, composed of a parent body which is composed of galvanized iron and which is reinforced by means of thermoplastics and is suitable for the transmission of high mechanical loads.
    Type: Application
    Filed: November 13, 2009
    Publication date: July 8, 2010
    Applicant: LANXESS Deutschland GmbH
    Inventors: Thomas Malek, Julian Haspel, Ulrich Dajek, Ralf Zimnol, Guenter Margraf
  • Publication number: 20100173125
    Abstract: The present invention relates to lightweight components of hybrid design, also termed hybrid component or hollow-chamber lightweight component, composed of a parent body which is composed of surface-pretreated aluminium and which is reinforced by means of thermoplastics and is suitable for the transmission of high mechanical loads, where particular flow aids are added to the thermoplastic in order to improve its physical properties.
    Type: Application
    Filed: November 13, 2009
    Publication date: July 8, 2010
    Applicant: LANXESS Deutschland GmbH
    Inventors: Thomas MALEK, Julian HASPEL, Ulrich DAJEK, Ralf Zimnol, Guenter MARGRAF