Patents by Inventor Gottfried Hilkert

Gottfried Hilkert 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: 8986830
    Abstract: The invention relates to a sealable, biaxially oriented polyester film comprising a base layer B, a sealable cover layer A, and a non-sealable cover layer C. The invention further relates to a method for producing the film and to the use thereof.
    Type: Grant
    Filed: September 3, 2009
    Date of Patent: March 24, 2015
    Assignee: Mitsubishi Polyester Film GmbH
    Inventors: Matthias Konrad, Bodo Kuhmann, Gottfried Hilkert, Herbert Peiffer
  • Patent number: 8900696
    Abstract: The invention relates to a polyester film comprising at least one base layer (B) and at least one antimicrobially active coating, where this antimicrobial coating a) comprises an ammonium silane of the following formula (I): where R1 and R2 are in each case identical or different and, independently of each other, are hydrogen moieties or C1-C8-alkyl moieties, which are straight-chain or—in the case of C3-C8-alkyl moieties—can be branched, R1 and R2 preferably being identical and being —CH3; in aqueous dispersions, one, two or all of the R1 moieties are hydrogen; n is greater than 0 and smaller than 10, preferably from 2 to 5, and particularly preferably 3; m is greater than 0 and smaller than 30, preferably from 6 to 25, and particularly preferably from 15 to 20, and very particularly preferably 17; X? is chloride, sulfate, or nitrate; and b) the thickness of the coating is smaller than 1 ?m, preferably smaller than 0.3 ?m, and particularly preferably smaller than 0.15 ?m.
    Type: Grant
    Filed: November 5, 2008
    Date of Patent: December 2, 2014
    Assignee: Mitsubishi Polyester Film GmbH
    Inventors: Holger Kliesch, Bodo Kuhmann, Thomas Hackl, Martin Jesberger, Gottfried Hilkert
  • Patent number: 8313829
    Abstract: The invention relates to a transparent heatsealable biaxially oriented polyester film including a base layer B and amorphous top layers A on each surface of the base layer B. The invention further relates to a process for producing the film and to the use thereof.
    Type: Grant
    Filed: September 4, 2009
    Date of Patent: November 20, 2012
    Assignee: Mitsubishi Polyester Film GmbH
    Inventors: Matthias Konrad, Bodo Kuhmann, Gottfried Hilkert
  • Patent number: 8277710
    Abstract: The invention relates to biaxially oriented polyester films which contain 0.1-5.0% by weight (based on the weight of the film) of a hydrolysis stabilizer based on epoxidized fatty acid esters and 0.2-10% by weight (based on the weight of the film) of epoxidized fatty acid glycerides, the epoxidized fatty acid esters having a mean molecular weight of at least 425 g/mol. Such films find use in outdoor applications, as a ribbon cable, as a backside laminate of solar modules and in electrical insulation applications.
    Type: Grant
    Filed: April 2, 2009
    Date of Patent: October 2, 2012
    Assignee: Mitsubishi Polyester Film GmbH
    Inventors: Holger Kliesch, Dagmar Klein, Rainer Kurz, Dirk Broeder, Gottfried Hilkert, Volker Schaefer
  • Publication number: 20120196968
    Abstract: The invention relates to a biaxially oriented film containing at least one black pigment. The film is predominantly formed from a polyester whose diol component includes at least 80 mol-% of 1,4-cyclohexanedimethanol (CHDM), and whose the dicarboxylic acid component includes at least 80 mol-% of one or more benzenedicarboxylic acid(s) and/or one or more naphthalene dicarboxylic acid(s). The dicarboxylic acid component includes a main dicarboxylic acid component forming an at least 55 mol-% portion, chosen from either 2,6-naphthalene dicarboxylic acid or terephthalic acid. The dicarboxylic acid component further includes a secondary dicarboxylic acid component, present in an amount of at least 18 mol-%, with the secondary dicarboxylic acid component differing from the main dicarboxylic acid component. The invention further relates to a method for producing the film and its use.
    Type: Application
    Filed: January 23, 2012
    Publication date: August 2, 2012
    Inventors: Holger Kliesch, Oliver Klein, Gottfried Hilkert, Rainer Kurz
  • Publication number: 20110171464
    Abstract: The invention relates to a sealable, biaxially oriented polyester film comprising a base layer B, a sealable cover layer A, and a non-sealable cover layer C. The invention further relates to a method for producing the film and to the use thereof.
    Type: Application
    Filed: September 3, 2009
    Publication date: July 14, 2011
    Inventors: Matthias Konrad, Bodo Kuhmann, Gottfried Hilkert, Herbert Peiffer
  • Publication number: 20100247889
    Abstract: The invention relates to a polyester film comprising at least one base layer (B) and at least one antimicrobially active coating, where this antimicrobial coating a) comprises an ammonium silane of the following formula (I) where R1 and R2 are in each case identical or different and, independently of each other, are hydrogen moieties or C1-C8-alkyl moieties, which are straight-chain or—in the case of C3-C8-alkyl moieties—can be branched, R1 and R2 preferably being identical and being —CH3; in aqueous dispersions, one, two or all of the R1 moieties are hydrogen; n is greater than 0 and smaller than 10, preferably from 2 to 5, and particularly preferably 3; m is greater than 0 and smaller than 30, preferably from 6 to 25, and particularly preferably from 15 to 20, and very particularly preferably 17; X? is chloride, sulfate, or nitrate; and b) the thickness of the coating is smaller than 1 ?m, preferably smaller than 0.3 ?m, and particularly preferably smaller than 0.15 ?m.
    Type: Application
    Filed: November 5, 2008
    Publication date: September 30, 2010
    Inventors: Holger Kliesch, Bodo Kuhmann, Thomas Hackl, Martin Jesberger, Gottfried Hilkert
  • Publication number: 20100120946
    Abstract: The invention relates to biaxially oriented polyester films which contain 0.1-5.0% by weight (based on the weight of the film) of a hydrolysis stabilizer based on epoxidized fatty acid esters and 0.2-10% by weight (based on the weight of the film) of epoxidized fatty acid glycerides, the epoxidized fatty acid esters having a mean molecular weight of at least 425 g/mol. Such films find use in outdoor applications, as a ribbon cable, as a backside laminate of solar modules and in electrical insulation applications.
    Type: Application
    Filed: April 2, 2009
    Publication date: May 13, 2010
    Inventors: Holger KLIESCH, Dagmar Klein, Rainer Kurz, Dirk Broeder, Gottfried Hilkert, Volker Schaefer
  • Patent number: 7700187
    Abstract: The invention relates to a biaxially oriented polyester film, preferably PET film, which has a hydrophilic coating on at least one surface. The coating composition used to form the hydrophilic coating includes water, a sulfopolyester, a surfactant, and optionally an adhesion-promoting polymer. The inventive films have a hydrophilic surface which inhibit condensation of water droplets on the films.
    Type: Grant
    Filed: October 10, 2006
    Date of Patent: April 20, 2010
    Assignee: Mitsubishi Polyester Film GmbH
    Inventors: Matthias Konrad, Herbert Peiffer, Gottfried Hilkert
  • Publication number: 20100062237
    Abstract: The invention relates to a transparent heatsealable biaxially oriented polyester film including a base layer B and amorphous top layers A on each surface of the base layer B. The invention further relates to a process for producing the film and to the use thereof.
    Type: Application
    Filed: September 4, 2009
    Publication date: March 11, 2010
    Inventors: Matthias Konrad, Bodo Kuhmann, Gottfried Hilkert
  • Patent number: 7588816
    Abstract: The invention relates to biaxially oriented polyester films which are suitable for lamination to sheet metal; the invention in particular relates to a polyester film which (based on the weight of polyester) comprises from 1 to 8% by weight of isophthalate-derived units, and also comprises not only particles whose median diameter is from 0.1 to 2.0 ?m but also particles whose median diameter is from >2.5 ?m to <8 ?m. The invention further relates to a process for production of these films and to their use.
    Type: Grant
    Filed: May 14, 2007
    Date of Patent: September 15, 2009
    Assignee: Mitsubishi Polyester Film GmbH
    Inventors: Matthias Konrad, Bodo Kuhmann, Gottfried Hilkert
  • Patent number: 7534487
    Abstract: The invention relates to a transparent, electrically conductive, biaxially oriented, single- or multilayer polyester film which includes a coating composed of (a) conductive (ITO) indium tin oxide particles or (ATO) antimony tin oxide particles, or of a mixture of these. The film further include other conductive components (b). The other conductive components (b) may be present either in the coating including ITO particles and/or ATO particles or in a layer in contact therewith. The conductive component (b) may also be a metal layer in contact with the ITO and/or ATO. The film is only oriented or relaxed prior to application of the ITO and/or ATO coating. The invention further relates to a process for the production of the film, and its use.
    Type: Grant
    Filed: March 18, 2005
    Date of Patent: May 19, 2009
    Assignee: Mitsubishi Polyester Film GmbH
    Inventors: Dagmar Klein, Holger Kliesch, Thorsten Kiehne, Bodo Kuhmann, Franz Hora, Gottfried Hilkert, Manfred Wiederhold
  • Patent number: 7514141
    Abstract: The invention relates to a biaxially oriented polyester film having a base layer (B) which comprises at least 80% by weight of a polyester comprised of from 55 to 90 mol % of units deriving from at least two aromatic dicarboxylic acids and of from 5 to 45 mol % of units deriving from at least one aliphatic dicarboxylic acid, where the total of the dicarboxylic-acid-derived molar percentages is 100. The film features ultimate tensile strength of ?100 N/mm2 and modulus of elasticity of ?3000 N/mm2.
    Type: Grant
    Filed: April 3, 2007
    Date of Patent: April 7, 2009
    Assignee: Mitsubishi Polyester Film GmbH
    Inventors: Oliver Klein, Herbert Peiffer, Gottfried Hilkert
  • Publication number: 20090061137
    Abstract: The invention relates to a coextruded, peelable, and biaxially oriented polyester film with a base layer (B) and with at least one outer layer (A) applied to this base layer (B). The outer layer (A) is heat-sealable and features peelability with respect to nonpolar substrates, such as polystyrene (“PS”) and polypropylene (“PP”). The heat-sealable and peelable outer layer (A) includes a copolymer formed from ethylene and an acrylate. The invention further relates to a process for the production of the film and to packaging formed from the film.
    Type: Application
    Filed: August 28, 2008
    Publication date: March 5, 2009
    Inventors: Matthias KONRAD, Herbert PEIFFER, Gottfried HILKERT
  • Patent number: 7384684
    Abstract: The invention relates to an aqueous coating composition which comprises a mixture of polyvinylpyrrolidone, a surfactant and optionally an adhesion-promoting polymer. This mixture is suitable for inline coating of biaxially oriented polyester films. The thus obtained films feature a characteristic hydrophilic surface which prevents the fogging of the films with water droplets.
    Type: Grant
    Filed: October 4, 2005
    Date of Patent: June 10, 2008
    Assignee: Mitsubishi Polyester Film GmbH
    Inventors: Matthias Konrad, Dagmar Klein, Herbert Peiffer, Gottfried Hilkert
  • Patent number: 7378145
    Abstract: The present invention relates to a transparent, hot-embossable, biaxially oriented polyester film having a base layer (B), an amorphous outer layer (A) with a coating on this outer layer (A), and a crystalline outer layer (c). The invention further relates to the use of such film and to a process for its production.
    Type: Grant
    Filed: October 19, 2007
    Date of Patent: May 27, 2008
    Assignee: Mitsubishi Polyester Film GmbH
    Inventors: Matthias Konrad, Bodo Kuhmann, Gottfried Hilkert
  • Publication number: 20080102234
    Abstract: The present invention relates to a transparent, hot-embossable, biaxially oriented polyester film having a base layer (B), an amorphous outer layer (A) with a coating on this outer layer (A), and a crystalline outer layer (c). The invention further relates to the use of such film and to a process for its production.
    Type: Application
    Filed: October 19, 2007
    Publication date: May 1, 2008
    Inventors: Matthias KONRAD, Bodo Kuhmann, Gottfried Hilkert
  • Patent number: 7364800
    Abstract: The invention relates to an in-line coated, biaxially oriented polyester film in which at least one surface has a coating formed from the dried residue of an aqueous coating composition, where the aqueous coating composition includes from 1 to 20% by weight (based on the weight of the coating composition) of EAA (ethylene-acrylic acid copolymer) particles whose median particle size (d50 value) is from 1 to 200 ?m.
    Type: Grant
    Filed: October 18, 2006
    Date of Patent: April 29, 2008
    Assignee: Mitsubishi Polyester Film GmbH
    Inventors: Martin Jesberger, Holger Kliesch, Gottfried Hilkert, Stefan Bartsch
  • Publication number: 20080085408
    Abstract: The invention relates to a coated polyester film with high surface tension and very low coefficient of friction. These properties are achieved using a polymeric coating in which the polymer contains both hydrophilic and hydrophobic sections.
    Type: Application
    Filed: May 2, 2007
    Publication date: April 10, 2008
    Inventors: Matthias KONRAD, Martin JESBERGER, Gottfried HILKERT
  • Publication number: 20080063857
    Abstract: The present invention relates to a polyester film which has a base layer (B), an outer layer (C), and a sealable outer layer (A), with antifog coating, where a) the sealable outer layer (A) includes less than 0.01% by weight of external particles, and b) the outer layer (C) includes from 0.12 to 0.4% by weight of external particles whose median diameter d50 is from 2 to 5 ?m and whose particle size distribution (SPAN98) is from 1.2 to 2. The preferred polyester of the base layer (B) is PET, and the preferred polyester of the outer layer (A) is a copolyester having ethylene terephthalate units and ethylene isophthalate units.
    Type: Application
    Filed: May 29, 2007
    Publication date: March 13, 2008
    Inventors: Matthias Konrad, Herbert Peiffer, Gottfried Hilkert