Patents by Inventor Marcel Schornstein

Marcel Schornstein 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).

  • Polyurethane casting resins and potting compounds produced therefrom
    Patent number: 9376564
    Abstract: The invention relates to polyurethane casting resins for producing polyurethane potting compounds, which can be obtained from a reaction mixture of polyisocyanates, polyepoxides, polyols, latent catalysts and optionally additives. The invention also relates to a method for producing said compounds.
    Type: Grant
    Filed: August 16, 2013
    Date of Patent: June 28, 2016
    Assignee: Covestro Deutschland AG
    Inventors: Florian Hupka, Marcel Schornstein, Dirk Wegener, Harald Rasselnberg, Erhard Michels
  • POLYURETHANE PREPREG AND COMPOSITE FIBER ELEMENT PRODUCED THEREFROM
    Publication number: 20160145403
    Abstract: The invention relates to prepregs and to a method for producing storage-stable polyurethane prepregs (pre-impregnated fibers) using polyols with a high content of secondary hydroxyl end groups, to composite fiber components (composite components) which are produced from the prepregs and which can be obtained by impregnating fiber-shaped materials such as woven fabrics and fleece, and to a method for producing said composite fiber components.
    Type: Application
    Filed: April 14, 2014
    Publication date: May 26, 2016
    Inventors: Florian Hupka, Marcel SCHORNSTEIN, Hartmut NEFZGER
  • Fibre-reinforced composite components and production thereof
    Patent number: 9290661
    Abstract: The invention relates to fiber-composite components, obtained for example by impregnating fibers with a reaction resin mixture of polyisocyanates, polyepoxides, polyols, latent catalysts and optionally additives. The invention also relates to a method for producing said components.
    Type: Grant
    Filed: August 16, 2013
    Date of Patent: March 22, 2016
    Assignee: Bayer MaterialScience AG
    Inventors: Florian Hupka, Marcel Schornstein, Dirk Wegener, Harald Rasselnberg
  • POLYURETHANE CASTING RESINS AND POTTING COMPOUNDS PRODUCED THEREFROM
    Publication number: 20150225566
    Abstract: The invention relates to polyurethane casting resins for producing polyurethane potting compounds, which can be obtained from a reaction mixture of polyisocyanates, polyepoxides, polyols, latent catalysts and optionally additives. The invention also relates to a method for producing said compounds.
    Type: Application
    Filed: August 16, 2013
    Publication date: August 13, 2015
    Inventors: Florian Hupka, Marcel Schornstein, Dirk Wegener, Harald Rasselnberg, Erhard Michels
  • FIBRE-REINFORCED COMPOSITE COMPONENTS AND PRODUCTION THEREOF
    Publication number: 20150218375
    Abstract: The invention relates to fibre-composite components, obtained for example by impregnating fibres with a reaction resin mixture of polyisocyanates, polyepoxides, polyols, latent catalysts and optionally additives. The invention also relates to a method for producing said components.
    Type: Application
    Filed: August 16, 2013
    Publication date: August 6, 2015
    Inventors: Florian Hupka, Marcel Schornstein, Dirk Wegener, Harald Rasselnberg
  • STORAGE-STABLE POLYURETHANE-PREPREGS AND FIBRE COMPOSITE COMPONENTS PRODUCED THEREFROM
    Publication number: 20150080530
    Abstract: The invention relates to storage-stable prepregs (preimpregnated fibers) based on low-viscosity polyurethane systems having a very high characteristic number and flat fibre composite components (moulded bodies; composite components) produced therefrom, which are obtained due to an impregnation method of fibre reinforced materials such as woven fabrics and fleece, and to a method for the production thereof.
    Type: Application
    Filed: March 15, 2013
    Publication date: March 19, 2015
    Inventors: Florian Hupka, Marcel Schornstein, Dirk Wegener, Harald Rasselnberg
  • STORAGE STABLE RESIN FILMS AND FIBRE COMPOSITE COMPONENTS PRODUCED THEREFROM
    Publication number: 20150050503
    Abstract: The invention relates to a storage-stable resin film based on polyurethane systems having a very high characteristic number and fibre-composite components (composite components, moulded bodies) produced therefrom by compressing the resin film, in combination with fibre-reinforced materials such as woven fabrics and fleece, at high temperatures and under pressure, and to a method for the production thereof.
    Type: Application
    Filed: March 15, 2013
    Publication date: February 19, 2015
    Applicant: Bayer Intellectual Property GmbH
    Inventors: Florian Hupka, Marcel Schornstein, Dirk Wegener, Harald Rasselnberg
  • HIGH-TEMPERATURE-RESISTANT FOAMS HAVING LOW THERMAL CONDUCTIVITY
    Publication number: 20140093721
    Abstract: The invention relates to high-temperature-resistant foams having low thermal conductivity, to the production thereof from organic polyisocyanates and polyepoxides, and to the use of the foams.
    Type: Application
    Filed: April 27, 2012
    Publication date: April 3, 2014
    Applicant: Bayer Intellectual Property GmbH
    Inventors: Dirk Wegener, Stephen Reiter, Harald Rasselnberg, Marcel Schornstein, Hans-Detlef Arntz, Dirk Brüning
  • FOAMS OF HIGH THERMAL STABILITY
    Publication number: 20130337208
    Abstract: The invention relates to foams of high thermal stability, to the production thereof from organic polyisocyanates and polyepoxides, and to the use of the foams.
    Type: Application
    Filed: December 12, 2011
    Publication date: December 19, 2013
    Applicant: Bayer Intellectual Property GmbH
    Inventors: Dirk Wegener, Stephan Reiter, Harald Rasselnberg, Marcel Schornstein, Hans-Detlef Arntz, Dirk Brüning