Patents by Inventor Horst Berneth
Horst Berneth 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: 20240002409Abstract: The invention relates to a process for preparing triaryl organo borates proceeding from organoboronic esters in the presence of an n-valent cation 1/n Kn+, comprising the anhydrous workup of the reaction mixture and the use of the triaryl organoborates obtained as co-initiator in photopolymer formulations, holographic media and holograms.Type: ApplicationFiled: November 17, 2020Publication date: January 4, 2024Inventors: Thomas RÖLLE, Horst BERNETH, Dennis HÖNEL, Friedrich-Karl BRUDER, Jürgen KINTRUP
-
Patent number: 11760765Abstract: The invention relates to a process for preparing triaryl organoborates proceeding from organoboronic esters in the presence of an n-valent cation 1/n Kn+, comprising the anhydrous workup of the reaction mixture and the use of the triaryl organoborates obtained as co-initiator in photopolymer formulations, holographic media and holograms.Type: GrantFiled: November 18, 2020Date of Patent: September 19, 2023Assignee: Covestro Intellectual Property GmbH & Co. KGInventors: Thomas Rölle, Horst Berneth, Dennis Hönel, Friedrich-Karl Bruder, Jürgen Kintrup
-
Publication number: 20220002321Abstract: The invention relates to a process for preparing triaryl organoborates proceeding from organoboronic esters in the presence of an n-valent cation 1/n Kn+, comprising the anhydrous workup of the reaction mixture and the use of the triaryl organoborates obtained as co-initiator in photopolymer formulations, holographic media and holograms.Type: ApplicationFiled: November 18, 2020Publication date: January 6, 2022Inventors: Thomas RÖLLE, Horst BERNETH, Dennis HÖNEL, Friedrich-Karl BRUDER, Jürgen KINTRUP
-
Patent number: 11098066Abstract: Provided herein is a process for preparing triaryl organoborates of the formula 1/n Kn+R34B?—R1 (IV), where one equivalent of organoboronic ester of the formula B—R1(OR2)(OR3) (I) is initially charged together with 1/n equivalents of salt Kn+ nX? (II) and 3 equivalents of metal M in a solvent or a solvent mixture S1, 3 equivalents of a haloaromatic R4—Y (III) are added, an auxiliary L and optionally a second organic solvent or solvent mixture S2 is added and the compound 1/n Kn+ R34B?—R1 (IV) is separated off with the organic phase, and to the use of these substances as co-initiator in photopolymer formulations.Type: GrantFiled: November 7, 2017Date of Patent: August 24, 2021Assignee: Covestro Deutschland AGInventors: Thomas Rölle, Horst Berneth, Dennis Hönel, Friedrich-Karl Bruder, Jürgen Kintrup
-
Patent number: 11078218Abstract: Provided herein is a process for preparing triaryl organoborates proceeding from alkyl or cycloalkyl boronates in the presence of an n-valent cation 1/n Kn+ to obtain organoborates of the formula 1/n Kn+R34B?—R1 (IV), where one equivalent of organoboronic ester of the formula B—R1(OR2)(OR3) (I) is initially charged together with 1/n equivalents of salt Kn+ nX? (II) and 3 equivalents of metal M in a solvent or a solvent mixture, 3 equivalents of a haloaromatic R4—Y (III) are added, and optionally a second organic solvent water is added and the compound 1/n Kn+ R24B?—R1 (IV) is separated off with the organic phase, and to the use of these substances as co-initiator in photopolymer formulations.Type: GrantFiled: November 7, 2017Date of Patent: August 3, 2021Assignee: Covestro Deutschland AGInventors: Thomas Rölle, Horst Berneth, Dennis Hönel, Friedrich-Karl Bruder
-
Patent number: 10921751Abstract: The invention relates to a method for producing a holographic optical element by providing a recording stack comprising at least one recording element laminated on at least one supporting element, irradiating at least a part of the recording stack with at least one recording beam in an irradiating step, wherein during the irradiating step, the recording stack bends, providing a bending deviation threshold for the recording stack, and adjusting at least one first process parameter such that an expected maximum bending deviation of the recording stack does not exceed the bending deviation threshold, wherein the at least one first process parameter influences the bending behaviour of the recording stack during the irradiating step.Type: GrantFiled: August 8, 2018Date of Patent: February 16, 2021Assignees: LG Display Co., Ltd., Covestro Deutschland AGInventors: Hyungseok Bang, Heejin Im, Guensik Lee, Friedrich-Karl Bruder, Thomas Peter Facke, Marc-Stephan Weiser, Rainer Hagen, Thomas Rolle, Horst Berneth, Dennis Honel, Günther Walze
-
Patent number: 10444420Abstract: The invention relates to an indirect lighting arrangement (2, 2.1, 2.2, 2.3, 2.4, 2.5) comprising at least one cylindrical waveguide (4). At least one end (12.1, 12.2) of the cylindrical waveguide (4) is designed to couple light from a first light source (1) into the cylindrical waveguide (4), and the lateral surface (10) of the cylindrical wave guide (4) has a coupling section (6) which is designed to optically couple the cylindrical waveguide (4) to an arrangeable plate-shaped waveguide (16). At least the coupling section (6) has at least one holographic optical element (8) which is designed to emit light from the cylindrical waveguide (4) into the arrangeable plate-shaped waveguide (16).Type: GrantFiled: June 23, 2016Date of Patent: October 15, 2019Assignee: Covestro Deutschland AGInventors: Rainer Hagen, Günther Walze, Thomas Fäcke, Friedrich-Karl Bruder, Dennis Hönel, Thomas Rölle, Horst Berneth, Marc-Stephan Weiser
-
Publication number: 20190276479Abstract: The invention relates to a process for preparing triaryl organoborates proceeding from alkyl or cycloalkyl boronates in the presence of an n-valent cation 1/n Kn+ and to the use of these substances as co-initiator in photopolymer formulations.Type: ApplicationFiled: November 7, 2017Publication date: September 12, 2019Inventors: Thomas RÖLLE, Horst BERNETH, Dennis HÖNEL, Friedrich-Karl BRUDER
-
Publication number: 20190263838Abstract: The invention relates to a process for preparing triaryl organoborates proceeding from organoboronic esters in the presence of an n-valent cation 1/n Kn+, comprising the anhydrous workup of the reaction mixture and the use of the triaryl organoborates obtained as co-initiator in photopolymer formulations, holographic media and holograms.Type: ApplicationFiled: November 7, 2017Publication date: August 29, 2019Inventors: Thomas ROLLE, Horst BERNETH, Dennis HONEL, Friedrich-Karl BRUDER, Jurgen KINTRUP
-
Patent number: 10254465Abstract: The invention relates to an illumination device for illuminating at least one light modulator system of a liquid crystal display, the device comprising at least one waveguide substrate for guiding at least one targeted light beam that can be coupled into the waveguide substrate. The waveguide substrate is at least in optical contact with at least one holographic optical decoupling substrate comprising a plurality of decoupling regions and a decoupling region is at least designed to decouple part of the targeted light beam in the form of a plurality of sub-beams in the direction of the light modulator system. At least one diffuser module is provided, said diffuser module being designed in such a way that at least the outermost sub-beams of two neighboring decoupling regions are at least adjacent to one another before exiting the diffuser module.Type: GrantFiled: August 9, 2013Date of Patent: April 9, 2019Assignee: Covestro Deutschland AGInventors: Thomas Fäcke, Friedrich-Karl Bruder, Rainer Hagen, Günther Walze, Thomas Roelle, Horst Berneth, Dennis Hönel, Marc-Stephan Weiser, Werner Hoheisel
-
Patent number: 10241402Abstract: The invention relates to naphthyl urethane acrylates particularly useful as writing monomers in photopolymer formulations for holographic media. The invention further relates to a photopolymer formulation comprising matrix polymers, writing monomers and photoinitiators, wherein the writing monomers comprise a naphthyl urethane acrylate according to the invention, to a holographic medium comprising matrix polymers, writing monomers and photoinitiators, wherein the writing monomers comprise a naphthyl urethane acrylate according to the invention, and also to a display comprising a holographic medium according to the invention.Type: GrantFiled: December 9, 2015Date of Patent: March 26, 2019Assignee: Covestro Deutschland AGInventors: Thomas Rölle, Horst Berneth, Friedrich-Karl Bruder, Dennis Hönel, Serguei Kostromine, Thomas Fäcke
-
Publication number: 20180348704Abstract: The invention relates to a method for producing a holographic optical element by providing a recording stack comprising at least one recording element laminated on at least one supporting element, irradiating at least a part of the recording stack with at least one recording beam in an irradiating step, wherein during the irradiating step, the recording stack bends, providing a bending deviation threshold for the recording stack, and adjusting at least one first process parameter such that an expected maximum bending deviation of the recording stack does not exceed the bending deviation threshold, wherein the at least one first process parameter influences the bending behaviour of the recording stack during the irradiating step.Type: ApplicationFiled: August 8, 2018Publication date: December 6, 2018Inventors: Hyungseok BANG, Heejin IM, Guensik LEE, Friedrich-Karl BRUDER, Thomas Peter FACKE, Marc-Stephan WEISER, Rainer HAGEN, Thomas ROLLE, Horst BERNETH, Dennis HONEL, Günther WALZE
-
Patent number: 10073416Abstract: The invention relates to a method for producing a holographic optical element by providing a recording stack comprising at least one recording element laminated on at least one supporting element, irradiating at least a part of the recording stack with at least one recording beam in an irradiating step, wherein during the irradiating step, the recording stack bends, providing a bending deviation threshold for the recording stack, and adjusting at least one first process parameter such that an expected maximum bending deviation of the recording stack does not exceed the bending deviation threshold, wherein the at least one first process parameter influences the bending behavior of the recording stack during the irradiating step.Type: GrantFiled: April 24, 2015Date of Patent: September 11, 2018Assignees: LG Display Co., Ltd., Bayer MaterialScience AGInventors: Hyungseok Bang, Heejin Im, Guensik Lee, Friedrich-Karl Bruder, Thomas Peter Facke, Marc-Stephan Weiser, Rainer Hagen, Thomas Rolle, Horst Berneth, Dennis Honel, Günther Walze
-
Publication number: 20180223100Abstract: The present invention relates to a photopolymer composition comprising a photopolymerizable component and a photoinitiator system comprising a chain-substituted cyanine dye. The invention further provides a photopolymer comprising a photopolymer composition according to the invention, a holographic medium comprising a photopolymer according to the invention, the use of a holographic medium according to the invention, and a process for producing a holographic medium by using the photopolymer according to the invention and the exposure of the corresponding holographic medium with the aid of pulsed laser radiation.Type: ApplicationFiled: June 21, 2016Publication date: August 9, 2018Inventors: HORST BERNETH, Thomas FÄCKE, Thomas RÕLLE, Serguei KOSTROMINE, Friedrich-Karl BRUDER, Dennis HÕNEL
-
Publication number: 20180188437Abstract: The invention relates to an indirect lighting arrangement (2, 2.1, 2.2, 2.3, 2.4, 2.5) comprising at least one cylindrical waveguide (4). At least one end (12.1, 12.2) of the cylindrical waveguide (4) is designed to couple light from a first light source (1) into the cylindrical waveguide (4), and the lateral surface (10) of the cylindrical wave guide (4) has a coupling section (6) which is designed to optically couple the cylindrical waveguide (4) to an arrangeable plate-shaped waveguide (16). At least the coupling section (6) has at least one holographic optical element (8) which is designed to emit light from the cylindrical waveguide (4) into the arrangeable plate-shaped waveguide (16).Type: ApplicationFiled: June 23, 2016Publication date: July 5, 2018Inventors: RAINER HAGEN, Günther WALZE, Thomas FÄCKE, Friedrich-Karl BRUDER, Dennis HÖNEL, Thomas RöLLE, Horst BERNETH, Marc-Stephan WEISER
-
Patent number: 10001703Abstract: The invention relates to a photopolymer formulation comprising a component reactive toward isocyanates, a polyisocyanate component, a writing monomer and a photoinitiator containing at least one dye and a coinitiator, characterized in that the coinitiator contains at least one substance of the formula (Ia) The invention further provides a process for preparing the specific coinitiators and the coinitiators obtainable by this process, and additionally a process for producing a holographic medium using the specific coinitiators, and a holographic medium obtainable using the inventive photopolymer formulation. The invention further relates to a laminate structure comprising an inventive holographic medium and likewise specific borates suitable as coinitiators.Type: GrantFiled: October 13, 2014Date of Patent: June 19, 2018Assignee: Covestro Deutschland AGInventors: Horst Berneth, Thomas Rölle, Friedrich-Karl Bruder, Dennis Hönel, Marc-Stephan Weiser, Thomas Fäcke, Rainer Hagen, Günther Walze
-
Patent number: 9921473Abstract: The invention relates to a photopolymer formulation comprising specific aromatic glycol ethers as writing monomers, matrix polymers and a photoinitiator. The invention further provides an unexposed holographic medium obtainable using an inventive photopolymer formulation, and an exposed holographic medium obtainable by exposing a hologram into an inventive unexposed holographic medium. The invention likewise provides a visual display comprising an inventive exposed holographic medium, for the use of an inventive exposed holographic medium for production of chip cards, identification documents, 3D images, product protection labels, labels, banknotes or holographic optical elements, and specific aromatic glycol ethers.Type: GrantFiled: March 24, 2015Date of Patent: March 20, 2018Assignee: Covestro Deutschland AGInventors: Thomas Fäcke, Friedrich-Karl Bruder, Thomas Rölle, Marc-Stephan Weiser, Dennis Hönel, Horst Berneth, Günther Walze, Rainer Hagen
-
Publication number: 20170363957Abstract: The invention relates to naphthyl urethane acrylates particularly useful as writing monomers in photopolymer formulations for holographic media. The invention further relates to a photopolymer formulation comprising matrix polymers, writing monomers and photoinitiators, wherein the writing monomers comprise a naphthyl urethane acrylate according to the invention, to a holographic medium comprising matrix polymers, writing monomers and photoinitiators, wherein the writing monomers comprise a naphthyl urethane acrylate according to the invention, and also to a display comprising a holographic medium according to the invention.Type: ApplicationFiled: December 9, 2015Publication date: December 21, 2017Inventors: Thomas ROELLE, Horst BERNETH, Friedrich-Karl BRUDER, Dennis HÖNEL, Serguei KOSTROMINE, Thomas FÄCKE
-
Publication number: 20170362349Abstract: The present invention relates to photopolymer comprising a photopolymerizable component and a photo initiator system. Further aspects of the present invention are a holographic media which comprises such a photopolymer, a display which comprises such a holographic media and the use of such a holographic media to make chip cards, security documents, bank notes and/or holographic optical elements especially for displays.Type: ApplicationFiled: December 11, 2015Publication date: December 21, 2017Inventors: KOICHI KAWAMURA, Thomas RÖLLE, Horst BERNETH, Dennis HÖnel, Friedrich-Karl BRUDER
-
Patent number: 9804490Abstract: The present invention provides a novel photopolymer formulation comprising matrix polymers, writing monomer and a photoinitiator and further comprising a compound of formula (1) where A1, A2 and A3 are each independently hydrogen, fluorine, chlorine, bromine or iodine, R1, R2, R3, R4 and R5 are each independently hydrogen, halogen, cyano, nitro, amino, alkylimino, azide, isonitrile, enamino, formyl, acyl, carboxyl, carboxylate, carboxamide, orthoester, sulphonate, phosphate, organosulphonyl, organosulphoxidyl, optionally fluorinated alkoxy or an optionally substituted aromatic, heteroaromatic, aliphatic, araliphatic, olefinic or acetylenic radical while suitable radicals may be connected together via bridge of any desired substitution, or in that two or more compounds of formula (I) may be connected together via at least one of the radicals R1, R2, R3, R4 and R5, in which case these radicals therein constitute a 2- to 4-tuply functional bridge, with the proviso that at least one of the radicals R1, R2, R3Type: GrantFiled: December 16, 2014Date of Patent: October 31, 2017Assignee: Covestro Deutschland AGInventors: Thomas Rölle, Horst Berneth, Friedrich-Karl Bruder, Dennis Hönel, Thomas Fäcke, Günther Walze, Rainer Hagen, Christian Diedrich