Patents by Inventor Friedrich-Karl Bruder

Friedrich-Karl Bruder 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).

  • PHOTOPOLYMER COMPOSITIONS AS PRINTABLE FORMULATIONS
    Publication number: 20110311906
    Abstract: The invention relates to applying novel photo polymers based on special urethane acrylates as writing monomers in printing methods which are suitable for producing holographic media, in particular for the visual display of images.
    Type: Application
    Filed: February 2, 2010
    Publication date: December 22, 2011
    Applicant: Bayer Materialscience AG
    Inventors: Thomas Rölle, Friedrich-Karl Bruder, Thomas Fäcke, Marc-Stephan Weiser, Dennis Hönel, Roland Künzel
  • DISC SHAPED HIGH DENSITY RECORDING MEDIUM
    Publication number: 20110300325
    Abstract: This invention relates to an optical recording medium in which at least a recording layer and a light transmitting layer are sequentially formed on a substrate and in which the light is illuminated from the light transmitting layer side for recording and/or reproducing information signals, said substrate comprising an injection molded part, and said substrate having a Young's modulus E of at least 2.15 GPa and a Q factor of lower than 160 measured at 25° C. at 2000 Hz in accordance to ASTM E 756-05 05 and a transcriptability of the pit/groove structure of >85%.
    Type: Application
    Filed: December 12, 2009
    Publication date: December 8, 2011
    Applicants: Bayer MAterialScience (China) Company Ltd., Bayer MaterialScience AG
    Inventors: Friedrich-Karl Bruder, Wilfried Haese, Rafael Oser, Rainer Protte, Alexander Meyer, Karlheinz Hildenbrand, Raymond Wong, Ice Zhang
  • Advantageous recording media for holographic applications
    Patent number: 8053147
    Abstract: High performance media suitable for recording with a blue laser is disclosed. The blue-sensitized holographic media provides greater dynamic range and higher sensitivity than previously disclosed blue-sensitized holographic media. These media can be used for diverse applications such as data storage where the articles provide denser data storage and more rapid hologram writing times or for optical waveguides where the articles provide greater optical confinement and more rapid manufacturing times.
    Type: Grant
    Filed: April 9, 2008
    Date of Patent: November 8, 2011
    Assignees: Bayer MaterialScience AG, InPhase Technologies
    Inventors: Nicolas Stöckel, Friedrich-Karl Bruder, Fredric R. Askham, Michael Cole, Lisa Dhar, Mark D. Michaels, Sam Miller, Sean Quirin, Songvit Setthachayanon, Timothy J. Trentler, Marianela T. Lemon
  • PHOTOPOLYMER FORMULATION FOR PRODUCING VISIBLE HOLOGRAMS
    Publication number: 20110236803
    Abstract: The present invention relates to a photopolymer formulation containing chemically crosslinked matrix polymers, writing monomers and a photoinitiator system, wherein the photoinitiator system contains a HABI, a dye attuned to the HABI and having an absorption maximum in the range of 400-800 nm and a hydrogen donor. The present invention further relates to a process for producing exposed holographic media with the above photopolymer formulation.
    Type: Application
    Filed: March 25, 2011
    Publication date: September 29, 2011
    Applicant: Bayer MaterialScience AG
    Inventors: Marc-Stephan Weiser, Thomas Rölle, Friedrich-Karl Bruder, Thomas Fäcke, Dennis Hönel
  • Disc-shaped high-density recording mediums
    Patent number: 7993721
    Abstract: Optical recording mediums comprising a substrate and a recording layer and a light transmitting layer sequentially disposed on the substrate; wherein the substrate comprises one or more parts selected from the group consisting of injection molded parts, injection molded sandwich structures having a molded surface layer and a molded core layer or two injection molded parts which are UV-bonded, and combinations thereof; and wherein the substrate has a Young's modulus E of at least 2.15 GPa and a Q factor of lower than 160 measured at 25° C. at 2000 Hz in accordance to ASTM E 756-05.
    Type: Grant
    Filed: October 17, 2008
    Date of Patent: August 9, 2011
    Assignee: Bayer MaterialScience AG
    Inventors: Friedrich-Karl Bruder, Wilfried Haese, Rafael Oser, Jan Wiekard, Wolfgang Fischer, Rainer Protte, Joerg Wehrle, Karlheinz Hildenbrand
  • PREPOLYMER-BASED POLYURETHANE FORMULATIONS FOR PRODUCING HOLOGRAPHIC MEDIA
    Publication number: 20110189591
    Abstract: The present invention relates to a polyurethane composition comprising A) a polyisocyanate component comprising an exclusively diol-based NCO-terminated polyurethane prepolymer, wherein the NCO groups are bonded in a primary manner, B) an isocyanate-reactive polymer, C) a compound having groups which react by polymerizing with an ethylenically unsaturated compound under the action of actinic radiation (radiation-curing groups) wherein the compound is free of NCO groups, D) a free-radical stabilizer, E) a photo initiator, F) optionally a catalyst, G) optionally assistants and additives.
    Type: Application
    Filed: September 24, 2009
    Publication date: August 4, 2011
    Inventors: Marc-Stephan Weiser, Thomas Rölle, Friedrich-Karl Bruder, Thomas Fäcke, Dennis Hönel, Sebastian Dörr, Nicolas Stoeckel
  • Aromatic urethane acrylates having a high refractive index
    Patent number: 7981987
    Abstract: The invention relates to novel aromatic urethane (meth)acrylates having a high refractive index, a process for the preparation thereof and a process for the production of holographic media.
    Type: Grant
    Filed: April 10, 2008
    Date of Patent: July 19, 2011
    Assignee: Bayer MaterialScience AG
    Inventors: Nicolas Stöckel, Friedrich-Karl Bruder, Jan Weikard
  • NOVEL HOLOGRAPHIC MEDIA AND PHOTOPOLYMERS
    Publication number: 20110065827
    Abstract: The invention relates to holographic media containing specific photopolymers, a process for the production thereof, and unsaturated glycidyl ether acrylate urethanes as writing monomers which are suitable for the preparation of photopolymers.
    Type: Application
    Filed: February 16, 2010
    Publication date: March 17, 2011
    Applicant: Bayer MaterialScience AG
    Inventors: Thomas Fäcke, Friedrich-Karl Bruder, Marc-Stephan Weiser, Thomas Rölle, Dennis Hönel
  • Radiation-crosslinking and thermally crosslinking PU systems based on isocyanate-reactive block copolymers
    Patent number: 7879509
    Abstract: The present invention provides polyurethane systems which cure by radiation and thermal action with crosslinking, and use thereof for the production of holographic media. The polyurethane compositions of the invention comprise A) polyisocyanates, B) isocyanate-reactive block copolymers, C) compounds having groups which react on exposure to actinic radiation with ethylenically unsaturated compounds with polymerization, D) optionally free radical stabilizers and E) photoinitiators.
    Type: Grant
    Filed: April 10, 2008
    Date of Patent: February 1, 2011
    Assignee: Bayer MaterialScience AG
    Inventors: Nicolas Stöckel, Friedrich-Karl Bruder, Harald Blum
  • Prepolymer-Based Polyurethane Formulations For The Production Of Holographic Films
    Publication number: 20100203241
    Abstract: The present invention relates to a novel holographic photopolymer based on prepolymer-based polyurethane compositions, the preparation of said photopolymer and its use for a very wide range of optical applications.
    Type: Application
    Filed: February 12, 2010
    Publication date: August 12, 2010
    Applicant: Bayer MaterialScience AG
    Inventors: Marc-Stephan Weiser, Thomas Rölle, Friedrich-Karl Bruder, Thomas Fäcke, Dennis Hönel
  • POLYETHER-BASED POLYURETHANE FORMULATIONS FOR THE PRODUCTION OF HOLOGRAPHIC MEDIA
    Publication number: 20100112459
    Abstract: The present invention relates to novel polyurethane compositions which are advantageous for the production of holographic media, inter alia for data storage, but also for optical applications of different types.
    Type: Application
    Filed: September 29, 2009
    Publication date: May 6, 2010
    Applicant: Bayer MaterialScience AG
    Inventors: Marc-Stephan Weiser, Thomas Roelle, Friedrich-Karl Bruder, Thomas Fäcke, Dennis Hönel
  • PHOTOPOLYMER FORMULATIONS HAVING A LOW CROSSLINKING DENSITY
    Publication number: 20100087564
    Abstract: The invention relates to photopolymer formulations based on a polymeric network as a matrix and at least one photopolymerizable monomer dissolved therein and to a method for the production of holographic media from such photopolymers and to the use thereof.
    Type: Application
    Filed: September 29, 2009
    Publication date: April 8, 2010
    Applicant: Bayer MaterialScience AG
    Inventors: Marc-Stephan Weiser, Thomas Roelle, Friedrich-Karl Bruder, Thomas Fäcke, Dennis Hönel
  • PHOTOPOLYMER COMPOSITIONS FOR OPTICAL ELEMENTS AND VISUAL DISPLAYS
    Publication number: 20100086860
    Abstract: The invention relates to novel photopolymers based on specific urethane acrylates as writing monomers, which are suitable for producing holographic media, in particular for visual display of images.
    Type: Application
    Filed: September 29, 2009
    Publication date: April 8, 2010
    Applicant: Bayer MaterialScience AG
    Inventors: Thomas Roelle, Friedrich-Karl Bruder, Thomas Faecke, Marc-Stephan Weiser, Dennis Hoenel, Nicolas Stoeckel
  • SPECIAL POLYETHER-BASED POLYURETHANE FORMULATIONS FOR THE PRODUCTION OF HOLOGRAPHIC MEDIA
    Publication number: 20100086861
    Abstract: The present invention relates to novel polyurethane compositions which are advantageous for the production of holographic media, inter alia for data storage, but also for optical applications of different types.
    Type: Application
    Filed: September 29, 2009
    Publication date: April 8, 2010
    Applicant: Bayer MaterialScience AG
    Inventors: Marc-Stephan Weiser, Thomas Roelle, Friedrich-Karl Bruder, Thomas Fäcke, Dennis Hönel, Klaus Lorenz, Jörg Hofmann
  • PHENYL ISOCYANATE-BASED URETHANE ACRYLATES, PROCESSES FOR PRODUCING AND METHODS OF USING THE SAME
    Publication number: 20100036013
    Abstract: Urethane acrylates of the general Formula (I), corresponding salts, solvates or solvates of a salt thereof: wherein R1, R2, R3, R4 and R5 each independently represent a substituent selected from the group consisting of hydrogen, halogens, C1-6-alkyls, trifluoromethyl, C1-6-alkylthios, C1-6-alkylselenos, C1-6-alkyltelluros, and nitro groups, with the proviso that at least one of R1, R2, R3, R4 and R5 is not hydrogen; R6 and R7 each independently represent a substituent selected from the group consisting of hydrogen and C1-6-alkyls; and A represents a saturated or unsaturated or linear or branched C1-6-alkyl radical or a polyalkylene oxide radical having 2-6 ethylene oxide or propylene oxide units; processes for producing and methods of using the same.
    Type: Application
    Filed: August 7, 2009
    Publication date: February 11, 2010
    Applicant: Bayer MaterialScience AG
    Inventors: Thomas Roelle, Friedrich-Karl Bruder, Thomas Fäcke, Marc-Stephan Weiser, Dennis Hönel
  • ADVANTAGEOUS RECORDING MEDIA FOR HOLOGRAPHIC APPLICATIONS
    Publication number: 20090185470
    Abstract: High performance media suitable for recording with a blue laser is disclosed. The blue-sensitized holographic media provides greater dynamic range and higher sensitivity than previously disclosed blue-sensitized holographic media. These media can be used for diverse applications such as data storage where the articles provide denser data storage and more rapid hologram writing times or for optical waveguides where the articles provide greater optical confinement and more rapid manufacturing times.
    Type: Application
    Filed: April 9, 2008
    Publication date: July 23, 2009
    Applicant: Bayer MaterialScience AG
    Inventors: Nicolas Stoeckel, Friedrich-Karl Bruder, Fredric R. Askham, Michael Cole, Lisa Dhar, Mark D. Michaels, Sam Miller, Sean Quirin, Songvit Setthachayanon, Timothy J. Trentler, Marianela T. Lemon
  • Disc-shaped high-density recording mediums
    Publication number: 20090104395
    Abstract: Optical recording mediums comprising a substrate and a recording layer and a light transmitting layer sequentially disposed on the substrate; wherein the substrate comprises one or more parts selected from the group consisting of injection molded parts, injection molded sandwich structures having a molded surface layer and a molded core layer or two injection molded parts which are UV-bonded, and combinations thereof; and wherein the substrate has a Young's modulus E of at least 2.15 GPa and a Q factor of lower than 160 measured at 25° C. at 2000 Hz in accordance to ASTM E 756-05.
    Type: Application
    Filed: October 17, 2008
    Publication date: April 23, 2009
    Applicant: Bayer MaterialScience AG
    Inventors: Friedrich-Karl Bruder, Wilfried Haese, Rafael Oser, Jan Weikard, Wolfgang Fischer, Rainer Protte, Joerg Wehrle, Karlheinz Hildenbrand
  • RADIATION-CROSSLINKING AND THERMALLY CROSSLINKING PU SYSTEMS BASED ON ISOCYANATE-REACTIVE BLOCK COPOLYMERS
    Publication number: 20090062419
    Abstract: The present invention provides polyurethane systems which cure by radiation and thermal action with crosslinking, and use thereof for the production of holographic media. The polyurethane compositions of the invention comprise A) polyisocyanates, B) isocyanate-reactive block copolymers, C) compounds having groups which react on exposure to actinic radiation with ethylenically unsaturated compounds with polymerization, D) optionally free radical stabilizers and E) photoinitiators.
    Type: Application
    Filed: April 10, 2008
    Publication date: March 5, 2009
    Applicant: Bayer MaterialScience AG
    Inventors: Nicolas Stockel, Friedrich-Karl Bruder, Harald Blum
  • Radiation-crosslinking and thermally crosslinking PU systems comprising iminooxadiazinedione
    Publication number: 20080311482
    Abstract: The present invention relates to polyurethane compositions which cure by radiation and thermal action with crosslinking, and use thereof for the production of holographic media. The polyurethane compositions of the invention comprise A) one or more iminooxadiazinedione-group-containing polyisocyanates, B) one or more polyfunctional, isocyanate-reactive compounds, C) one or more compounds having groups which on exposure to actinic radiation with ethylenically unsaturated compounds with polymerization (radiation-curing groups), D) optionally one or more free radical stabilizers and E) one or more photoinitiators.
    Type: Application
    Filed: April 10, 2008
    Publication date: December 18, 2008
    Applicant: Bayer MaterialScience AG
    Inventors: Nicolas Stockel, Friedrich-Karl Bruder, Frank Richter
  • Radiation-Crosslinking And Thermally Crosslinking PU Systems-Based On Poly(epsilon-Caprolactone) Polyester Polyols
    Publication number: 20080311483
    Abstract: The present invention provides polyurethane systems which cure by radiation and thermal action with crosslinking, and use thereof for the production of holographic media. The polyurethane compositions of the invention comprise A) polyisocyanates, B) polyols, comprising at least one poly(?-caprolactone)polyester polyol, C) compounds having groups which react on exposure to actinic radiation with ethylenically unsaturated compounds with polymerization (radiation-curing groups), D) optionally free radical stabilizers and E) photoinitiators.
    Type: Application
    Filed: April 10, 2008
    Publication date: December 18, 2008
    Applicant: Bayer MaterialScience AG
    Inventors: Nicolas Stockel, Friedrich-Karl Bruder, Meike Niesten, Harald Blum, Stephanie Strazisar