Patents by Inventor Joachim Petzoldt

Joachim Petzoldt 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: 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: 20200122448
    Abstract: The invention relates to heteroaromatic compounds, particularly for use in electronic devices. The invention further relates to a method for producing the compounds according to the invention and to electronic devices containing same.
    Type: Application
    Filed: May 22, 2018
    Publication date: April 23, 2020
    Inventors: Joachim PETZOLDT, Georgios TZIOVARAS, Kay LAUTWEIN, Christoph KÖHLER
  • 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
  • Publication number: 20180273797
    Abstract: The present invention concerns coated films, comprising a plastic film and a radiation-curable aqueous coating material, wherein the coating material comprises a polyurethane (meth)acrylate with particularly high hydrolysis resistance. Furthermore, it concerns a method for producing such films, the use of such films for producing mouldings, a method for producing mouldings with a radiation-cured coating and mouldings that can be produced by this method and the aqueous radiation-curable binding and coating material, which are contained in the coating.
    Type: Application
    Filed: September 13, 2016
    Publication date: September 27, 2018
    Applicant: COVESTRO DEUTSCHLAND AG
    Inventors: Michael LUDEWIG, Joachim PETZOLDT
  • 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: 20180112051
    Abstract: The present invention relates to a method for producing shaped bodies having a radiation-cured coating, comprising the steps of:—providing a coated film, wherein the film comprises a radiation-curable coating, wherein the coating comprises a polyurethane polymer which has (meth)acrylate groups and is obtainable from the reaction of a reaction mixture comprising: (a) polyisocyanates and (b1) compounds which comprise (meth)acrylate groups and are reactive toward isocyanate, (b2) at least one photoinitiator, and wherein the coating further comprises inorganic nanoparticles having a median particle size of=1 nm to =200 nm,—forming the shape body,—curing the radiation-curable coating by means of LED UV radiation.
    Type: Application
    Filed: April 11, 2016
    Publication date: April 26, 2018
    Inventors: Konstantin LEONHARDT, Joachim PETZOLDT, Roland KÜNZEL
  • 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
  • Publication number: 20160311991
    Abstract: The present invention relates to a coated polycarbonate film coated with at least one polymethylmethacrylate-containing layer, comprising a polycarbonate film beneath at least one polymethylmethacrylate-containing layer having a polymethylmethacrylate content of at least 40% by weight, characterized in that the total layer thickness of the at least one polymethylmethacrylate-containing layer is at least 10 ?m, the uppermost layer of the at least one polymethylmethacrylate-containing layer is obtainable by coating with a coating composition comprising at least one polymethylmethacrylate polymer or polymethylmethacrylate copolymer having a mean molar mass Mw of at least 100 000 g/mol in a content of at least 40% 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.
    Type: Application
    Filed: June 11, 2014
    Publication date: October 27, 2016
    Inventors: Serguei KOSTROMINE, Joachim PETZOLDT
  • Publication number: 20160152863
    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: June 24, 2014
    Publication date: June 2, 2016
    Applicant: Covestro Deustschland AG
    Inventors: Serguei KOSTROMINE, Joachim PETZOLDT, Roland KÜNZEL, Konstantin LEONHARDT
  • Publication number: 20160152833
    Abstract: The present invention relates to a coating composition comprising at least 30% by weight of at least one thermoplastic polymer having a mean molar mass of at least 100 000 g/mol, at least one UV-curable reactive diluent, at least one photoinitiator, 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. The present invention relates more particularly to a moulding comprising a thermoplastic polymer, a film of a thermoplastic polymer and a surface coating of the film, said surface coating forming the surface of the moulding and having a thickness in the range of ?0.1 ?m and ?20 ?m, obtainable by coating the film with the coating composition. In this way, a non-directionally impact-resistant moulding having a scratch-resistant and solvent-resistant surface is provided.
    Type: Application
    Filed: June 11, 2014
    Publication date: June 2, 2016
    Applicant: Covestro Deutschland AG
    Inventors: Serguei KOSTROMINE, Joachim PETZOLDT, Wieland HOVESTADT, Sven HOBEIKA, Roland KÜNZEL
  • Publication number: 20160137873
    Abstract: The present invention relates to a polymer film having an anti-glare surface and a coating on this surface, said coating being obtainable by coating with a coating composition comprising at least one thermoplastic polymer 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 coating has a layer thickness in the range of ?2 ?m and ?20 ?m and the solids content of the coating composition is in the range from ?0 to ?40% by weight, based on the total weight of the coating composition. Thus, an anti-glare film having excellent solvent resistance and good scratch resistance or pencil hardness is provided.
    Type: Application
    Filed: June 11, 2014
    Publication date: May 19, 2016
    Inventors: Serguei KOSTROMINE, Joachim PETZOLDT, Carsten BENECKE
  • Publication number: 20160115322
    Abstract: The present invention relates to a coating composition comprising (a) at least one thermoplastic polymer having a mean molar mass Mw of at least 100 000 g/mol in a content of at least 30% by weight of the solids content of the coating composition, (b) at least one UV-curable reactive diluent in a content of at least 30% by weight of the solids content of the coating composition, (c) at least one photoinitiator in a content of ?0.1 to ?10 parts by weight of the solids content of the coating composition, and (d) 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. It further relates to a process for producing such coating compositions, to films coated therewith, to the use of such films for production of shaped bodies, to a process for producing shaped bodies having a radiation-cured coating, and to shaped bodies producible by this process.
    Type: Application
    Filed: June 11, 2014
    Publication date: April 28, 2016
    Applicant: Covestro Deutschland AG
    Inventors: Serguei KOSTROMINE, Joachim PETZOLDT, Wieland HOVESTADT, Eberhard KOCH, Roland KÜNZEL
  • Publication number: 20160115335
    Abstract: The present invention relates to a coating composition comprising at least one styrene-acrylonitrile copolymer in a content of at least 30% by weight of the solids content of the coating composition; at least 30% by weight of a UV-curable reactive diluent; 0.1 to 10 parts by weight of at least one photoinitiator; 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. The films coated therewith, especially polycarbonate films, have improved properties in terms of scratch resistance, solvent resistance and a reduced oiling effect, which makes them particularly suitable for use for production of plastics parts in film insert moulding processes.
    Type: Application
    Filed: June 11, 2014
    Publication date: April 28, 2016
    Applicant: Covestro Deutschland AG
    Inventors: Serguei KOSTROMINE, Joachim PETZOLDT
  • Publication number: 20150368212
    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: Application
    Filed: January 27, 2014
    Publication date: December 24, 2015
    Applicant: Bayer MaterialScience AG
    Inventors: Serguei KOSTROMINE, Joachim PETZOLDT, Wolfgang FISCHER
  • Patent number: 9195215
    Abstract: This invention relates to a holographic medium comprising a protective layer and a photopolymer film which is bonded to the protective layer and contains polyurethane matrix polymers, acrylate writing monomers and photoinitiators, wherein the protective layer is impermeable to the constituents of the photopolymer film, is optically clear and is transparent to electromagnetic radiation having a wavelength in the range of from 350 to 800 nm. The invention further provides the use of a holographic medium according to the invention in the production of holograms, and a process for the production of a holographic medium according to the invention.
    Type: Grant
    Filed: November 11, 2012
    Date of Patent: November 24, 2015
    Assignee: Bayer Intellectual Property GmbH
    Inventors: Marc-Stephan Weiser, Daniel Hentschel, Joachim Petzoldt, Pantea Nazaran, Sebastian Dörr, Dirk Dijkstra, Ute Flemm, Dennis Hönel, Friedrich-Karl Bruder, Thomas Fäcke, Thomas Rölle
  • Publication number: 20140295329
    Abstract: This invention relates to a holographic medium comprising a protective layer and a photopolymer film which is bonded to the protective layer and contains polyurethane matrix polymers, acrylate writing monomers and photoinitiators, wherein the protective layer is impermeable to the constituents of the photopolymer film, is optically clear and is transparent to electromagnetic radiation having a wavelength in the range of from 350 to 800 nm. The invention further provides the use of a holographic medium according to the invention in the production of holograms, and a process for the production of a holographic medium according to the invention.
    Type: Application
    Filed: November 11, 2012
    Publication date: October 2, 2014
    Applicant: Bayer Intellectual Property GmbH
    Inventors: Marc-Stephan Weiser, Daniel Hentschel, Joachim Petzoldt, Pantea Nazaran, Sebastian Dörr, Dirk Dijkstra, Ute Flemm, Dennis Hönel, Friedrich-Karl Bruder, Thomas Fäcke, Thomas Rölle
  • Patent number: 8673452
    Abstract: The invention relates to a security and/or valuable document containing a scratch-resistant coating obtained from a lacquer composition comprising I) from 12 to 70 parts by wt. of a C2-C12-diol diacrylate or C2-C12-diol dimethacrylate, II) from 12 to 40 parts by wt. of an alkoxylated mono-, di-, tri-, tetra-, penta- or hexaacrylate or alkoxylated mono-, di-, tri-, tetra-, penta- or hexamethacrylate, III) from 0 to 40 parts by wt. of a monomer selected from the group consisting of pentaerythritol triacrylate, pentaerythritol tetraacrylate, dipentaerythritol tetraacrylate, dipentaerythritol pentaacrylate, dipentaerythritol hexaacrylate, pentaerythritol trimethacrylate, pentaerythritol tetramethacrylate, dipentaerythritol tetramethacrylate, dipentaerythritol pentamethacrylate, dipentaerythritol hexamethacrylate, reaction products thereof with aliphatic or aromatic diisocyanates, and mixtures thereof, IV) from 5 to 60 parts by wt.
    Type: Grant
    Filed: November 30, 2011
    Date of Patent: March 18, 2014
    Assignee: Bayer MaterialScience AG
    Inventors: Joachim Petzoldt, Mehmet-Cengiz Yesildag, Georgios Tziovaras