Patents by Inventor Serguei Kostromine

Serguei Kostromine 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).

  • Patent number: 11640136
    Abstract: The invention relates to a scaled holographic medium comprising a layer construction B?-C1?-C2?, to a process for producing the sealed holographic medium, to a kit of parts, to a layer construction comprising a protective layer and a substrate layer and to the use thereof.
    Type: Grant
    Filed: May 7, 2018
    Date of Patent: May 2, 2023
    Assignee: Covestro Deutschland AG
    Inventors: Serguei Kostromine, Thomas Rölle, Thomas Fäcke, Karl Vetterle
  • Publication number: 20230086342
    Abstract: The invention relates to the use of at least one open-chain, optionally branched, ether isocyanate having an NCO functionality?1, wherein 2 or 3 carbon atoms are present between at least one NCO group and at least one ether-oxygen atom, optionally in the presence of other reactants such as alcohols, amines, water, CO2, or of other reactants having an NCO functionality?1, optionally in the presence of at least one catalyst, to increase the reaction speed and/or to reduce the optionally required catalyst amount during isocyanate modification. The invention further relates to a process for modifying isocyanates, to the modified isocyanates as such and to a two-component system or one-component system and to the moldings, coatings and composite parts obtainable therefrom.
    Type: Application
    Filed: March 9, 2021
    Publication date: March 23, 2023
    Inventors: Frank Richter, Hooman Ghazi Zahedi, Till Laurin Jessewitsch, Tim Loddenkemper, Serguei Kostromine
  • Patent number: 11267943
    Abstract: The invention relates to a layer construction comprising a curable protective layer C and a photopolymer layer B, to a method for producing such a layer construction, to a method for producing a hologram using such a layer construction, to a sealed holographic medium and to the use of such a layer construction for producing a hologram.
    Type: Grant
    Filed: May 8, 2018
    Date of Patent: March 8, 2022
    Assignee: Covestro Deutschland AG
    Inventors: Serguei Kostromine, Benjamin Herzberg, Thomas Rölle, Dennis Hönel, Thomas Fäcke, Heinz-Guenter Auweiler
  • Publication number: 20210292505
    Abstract: The invention relates to a layer construction comprising a curable protective layer C and a photopolymer layer B, to a method for producing such a layer construction, to a method for producing a hologram using such a layer construction, to a sealed holographic medium and to the use of such a layer construction for producing a hologram.
    Type: Application
    Filed: May 8, 2018
    Publication date: September 23, 2021
    Inventors: Serguei KOSTROMINE, Benjamin HERZBERG, Thomas RÖLLE, Dennis HÖNEL, Thomas FÄCKE, Heinz-Guenter AUWEILER
  • Patent number: 11059930
    Abstract: The invention relates to a protective layer comprising a photopolymer layer B and an at least partly cured protective layer C, to a process for producing the layer construction according to the invention, to a kit of parts, to the use of an at least partly cured protective layer C for protection of a photopolymer layer B and to optical displays and security documents comprising the layer construction according to the invention.
    Type: Grant
    Filed: July 23, 2018
    Date of Patent: July 13, 2021
    Assignee: Covestro Deutschland AG
    Inventors: Serguei Kostromine, Thomas Roelle, Wieland Hovestadt, Karl Vetterle, Therese Klobutowski
  • Publication number: 20210115288
    Abstract: The present invention relates to a formable anti-glare polymer film wherein a thermoplastic polymeric film having at least one textured surface and a coating on the textured surface said coating being obtainable by coating with a coating composition comprising (a) a binder, comprising at least one difunctional (meth)acrylic monomer and/or difunctional (meth)acrylate oligomer, and (b) a crosslinking agent, comprising at least one multifunctional (meth)acrylic monomer, wherein said coating composition has a theoretical crosslinking density in the range of from <2.0·10?3, preferably of from ?1.99·10?3 to ?0.1·10?3, more preferably of from ?1.85·10?3 to ?0.2·10?3, and a process for producing such film. Furthermore the invention relates to molded articles, particularly molded articles obtainable by in-mold decoration (IMD) processes, and the use of the formable anti-glare films for the manufacture of molded articles.
    Type: Application
    Filed: November 23, 2016
    Publication date: April 22, 2021
    Inventors: Theivanayagam Chairman DEIVARAJ, Serguei KOSTROMINE, Joachim PETZOLDT, Nutkiye BAYRAM, Daniel SCHEIBNER, Chung Leung WONG, Meng FENG
  • Publication number: 20210095064
    Abstract: The invention relates to a protective layer comprising a photopolymer layer B and and an at least partly cured protective layer C, to a process for producing the layer construction according to the invention, to a kit of parts, to the use of an at least partly cured protective layer C for protection of a photopolymer layer B and to optical displays and security documents comprising the layer construction according to the invention.
    Type: Application
    Filed: July 23, 2018
    Publication date: April 1, 2021
    Inventors: Serguei KOSTROMINE, Thomas ROELLE, Wieland HOVESTADT, Karl VETTERLE, Therese KLOBUTOWSKI
  • Publication number: 20200241471
    Abstract: The invention relates to a sealed holographic medium comprising a layer construction containing a photopolymer layer and a sealing layer, to a process for producing the sealed holographic medium, to a kit of parts, to a layer construction for sealing and to the use thereof.
    Type: Application
    Filed: May 8, 2018
    Publication date: July 30, 2020
    Inventors: Serguei KOSTROMINE, Thomas RÖLLE, Thomas FÄCKE, Enrico ORSELLI
  • Publication number: 20200166889
    Abstract: The invention relates to a scaled holographic medium comprising a layer construction B?-C1?-C2?, to a process for producing the sealed holographic medium, to a kit of parts, to a layer construction comprising a protective layer and a substrate layer and to the use thereof.
    Type: Application
    Filed: May 7, 2018
    Publication date: May 28, 2020
    Applicant: Covestro Deutschland AG
    Inventors: Serguei KOSTROMINE, Thomas RÖLLE, Thomas FÄCKE, Karl VETTERLE
  • Publication number: 20200166888
    Abstract: The invention relates to a holographic medium containing a layer construction comprising a curable protective layer C and a photopolymer layer B, to a method for producing such a holographic medium, to a method for producing a hologram using such a holographic medium, to a sealed holographic medium and to the use of such a holographic medium for producing a hologram.
    Type: Application
    Filed: May 7, 2018
    Publication date: May 28, 2020
    Inventors: Serguei KOSTROMINE, Benjamin HERZBERG, Thomas RÖLLE, Dennis HÖNEL, Thomas FÄCKE, Heinz-Günter AUWEILER
  • Patent number: 10526504
    Abstract: The present invention relates to a coating composition comprising at least one thermoplastic acrylonitrile-butadiene-styrene copolymer in a content of at least 30% by weight of the solids content of the coating composition, at least one UV-curable reactive diluent in a content of at least 30% by weight of the solids content of the coating composition, at least one photoinitiator in a content of ?0.1 to ?10 parts by weight of the solids content of the coating composition and at least one organic solvent, where the proportion of ethylenically unsaturated groups is at least 3 mol per kg of the solids content of the coating composition. This is used to provide films and mouldings coated therewith, having a metallizable, scratch-resistant and solvent-resistant surface.
    Type: Grant
    Filed: February 16, 2018
    Date of Patent: January 7, 2020
    Inventors: Serguei Kostromine, Joachim Petzoldt, Roland Künzel, Konstantin Leonhardt
  • Patent number: 10344170
    Abstract: A coating agent and films coated with it are provided, of which the coating comprises an enhanced mechanical and chemical resistance and a formability adequate for 2-D-film-insert molding processes. The coating agent, comprising (a) at least one thermoplastic polymer with a proportion of at least 30% by weight of the solid content of the coating agent; (b) at least one UV hardenable reactive thinner with a proportion of at least 30% by weight of the solid content of the coating agent; (c) at least one photo-initiator; and (d) at least one organic solvent, wherein the proportion of ethylenically unsaturated groups amounts to at least 3 mol per kg of the solid content of the coating agent, wherein the at least one reactive thinner comprises at least three polymerizable (meth)acrylate functions in the molecule and wherein the ester-oxygen atoms of the (meth)acrylate functions in the molecule of the reactive thinner are separated from one another by a chain of at least six atoms.
    Type: Grant
    Filed: March 24, 2015
    Date of Patent: July 9, 2019
    Assignee: Covestro Deutschland AG
    Inventors: Serguei Kostromine, Joachim Petzoldt, Kay Lautwein, Roland Künzel
  • Patent number: 10241402
    Abstract: 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: Grant
    Filed: December 9, 2015
    Date of Patent: March 26, 2019
    Assignee: Covestro Deutschland AG
    Inventors: Thomas Rölle, Horst Berneth, Friedrich-Karl Bruder, Dennis Hönel, Serguei Kostromine, Thomas Fäcke
  • Publication number: 20180330753
    Abstract: The invention relates to a kit-of-parts comprising at least one sealing layer C and a photopolymer B, a process for producing an at least partly interconnected layered setup formed of at least 2 layers, the use of the at least one sealing film C to protect the photopolymer B, the use of the kit-of-parts for the process referred to, a sealed holographic medium comprising the photopolymer and optical displays and security document comprising the sealed holographic medium.
    Type: Application
    Filed: November 9, 2016
    Publication date: November 15, 2018
    Inventors: Thomas FÄCKE, Serguei KOSTROMINE, Enrico ORSELLI, Ute FLEMM
  • Publication number: 20180223100
    Abstract: 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: Application
    Filed: June 21, 2016
    Publication date: August 9, 2018
    Inventors: HORST BERNETH, Thomas FÄCKE, Thomas RÕLLE, Serguei KOSTROMINE, Friedrich-Karl BRUDER, Dennis HÕNEL
  • Publication number: 20180187041
    Abstract: The present invention relates to a coating composition comprising at least one thermoplastic acrylonitrile-butadiene-styrene copolymer in a content of at least 30% by weight of the solids content of the coating composition, at least one UV-curable reactive diluent in a content of at least 30% by weight of the solids content of the coating composition, at least one photoinitiator in a content of ?0.1 to ?10 parts by weight of the solids content of the coating composition and at least one organic solvent, where the proportion of ethylenically unsaturated groups is at least 3 mol per kg of the solids content of the coating composition. This is used to provide films and mouldings coated therewith, having a metallizable, scratch-resistant and solvent-resistant surface.
    Type: Application
    Filed: February 16, 2018
    Publication date: July 5, 2018
    Inventors: Serguei Kostromine, Joachim Petzoldt, Roland Künzel, Konstantin Leonhardt
  • Publication number: 20180179392
    Abstract: A coating agent and films coated with it are provided, of which the coating comprises an enhanced mechanical and chemical resistance and a formability adequate for 2-D-film-insert molding processes. The coating agent, comprising (a) at least one thermoplastic polymer with a proportion of at least 30% by weight of the solid content of the coating agent; (b) at least one UV hardenable reactive thinner with a proportion of at least 30% by weight of the solid content of the coating agent; (c) at least one photo-initiator; and (d) at least one organic solvent, wherein the proportion of ethylenically unsaturated groups amounts to at least 3 mol per kg of the solid content of the coating agent, wherein the at least one reactive thinner comprises at least three polymerisable (meth)acrylate functions in the molecule and wherein the ester-oxygen atoms of the (meth)acrylate functions in the molecule of the reactive thinner are separated from one another by a chain of at least six atoms.
    Type: Application
    Filed: March 24, 2015
    Publication date: June 28, 2018
    Inventors: Serguei KOSTROMINE, Joachim PETZOLDT, Kay LAUTWEIN, Roland KÜNZEL
  • Patent number: 10000658
    Abstract: The present invention relates to a coating composition comprising at least one thermoplastic acrylonitrile-butadiene-styrene copolymer in a content of at least 30% by weight of the solids content of the coating composition, at least one UV-curable reactive diluent in a content of at least 30% by weight of the solids content of the coating composition, at least one photoinitiator in a content of ?0.1 to ?10 parts by weight of the solids content of the coating composition and at least one organic solvent, where the proportion of ethylenically unsaturated groups is at least 3 mol per kg of the solids content of the coating composition. This is used to provide films and moldings coated therewith, having a metallizable, scratch-resistant and solvent-resistant surface.
    Type: Grant
    Filed: June 24, 2014
    Date of Patent: June 19, 2018
    Assignee: Covestro Deutschland AG
    Inventors: Serguei Kostromine, Joachim Petzoldt, Roland Künzel, Konstantin Leonhardt
  • Publication number: 20170363957
    Abstract: 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: Application
    Filed: December 9, 2015
    Publication date: December 21, 2017
    Inventors: Thomas ROELLE, Horst BERNETH, Friedrich-Karl BRUDER, Dennis HÖNEL, Serguei KOSTROMINE, Thomas FÄCKE
  • Patent number: 9604943
    Abstract: The present invention relates to a UV absorber-comprising urethane acrylate, to a process for its preparation, and to the use thereof. The UV absorber is chemically bonded into the system.
    Type: Grant
    Filed: January 27, 2014
    Date of Patent: March 28, 2017
    Assignee: Covestro Deutschland AG
    Inventors: Serguei Kostromine, Joachim Petzoldt, Wolfgang Fischer