Patents by Inventor Herbert Peiffer

Herbert Peiffer 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: 10843447
    Abstract: A transparent, peelable polyester film is provided with clarity greater than 80% including a biaxially oriented polyester film as base layer (B) and an offline coated heat-sealable outer layer (A) that is peelable relative to ready-meal APET or RPET trays. The heat-sealable and peelable outer layer (A) includes from 85 to 99 wt % polyester and from 1 to 15 wt % other substances, the polyester including of from 25 to 95 mol % of units derived from at least one aromatic dicarboxylic acid and from 5 to 75 mol % of units derived from at least one aliphatic dicarboxylic acid. The polyester incorporates at least 10 mol % of units derived from diols having more than 2 carbon atoms. The mass of the dry outer layer (A) is from 1 to 5 g/m2. Production processes for the foregoing film, and use thereof as scalable film for ready-meal trays is also provided.
    Type: Grant
    Filed: May 15, 2017
    Date of Patent: November 24, 2020
    Assignee: Mitsubishi Polyester Film GmbH
    Inventors: Herbert Peiffer, Bodo Kuhmann, Stefan Bartsch, Martin Jesberger, Tobias Rentzsch
  • Publication number: 20200223607
    Abstract: The invention relates to transparent packaging for vacuum forming, inter alia, formed from a biaxially oriented, thermoformable polyester film as lower film (A) and a biaxially oriented polyester film as upper film (B) that is both heat-sealable and peelable (at least when the material is hot) in relation to the lower film (A). The present invention further relates to the use of such packaging to produce sealed, thermoformed packs, and to the processes for their respective production.
    Type: Application
    Filed: January 13, 2020
    Publication date: July 16, 2020
    Inventors: Herbert Peiffer, Martin Jesberger, Bodo Kuhmann, Stephan Audörsch
  • Patent number: 10618260
    Abstract: The present invention relates to a transparent packaging for vacuum forming including a specific biaxially oriented thermoformable polyester foil as lower foil (A) and a specific biaxially oriented polyester foil as upper foil (B) that can be heat-sealed to the lower foil (A), and to a process for the production of such packing, and also use thereof.
    Type: Grant
    Filed: June 19, 2019
    Date of Patent: April 14, 2020
    Assignee: Mitsubishi Polyester Film GmbH
    Inventors: Herbert Peiffer, Martin Jesberger, Stefan Bartsch, Tobias Rentzsch
  • Publication number: 20200079064
    Abstract: Coextruded, unstructured, transparent and thermoformable polyester films are provided including at least one base layer (B) made of a-PET and one heat-sealable outer layer (A). The heat-sealable outer layer (A) includes at least 80% by weight of polyester with from 25 to 95 mol % of units derived from at least one aromatic dicarboxylic acid and 5 to 75 mol % of units derived from at least one aliphatic dicarboxylic acid, along with aliphatic diols. The outer layer (A) also includes up to 0.4% by weight of inorganic or organic particles with median diameter d50 2.0 to 8.0 ?m. The thickness of the outer layer (A) is 10 to 100 ?m, and the thickness of the film is in the range 100 to 1500 ?m. The invention further relates to processes for producing the inventive film, and also to packaging for foods or other consumable products, such as trays.
    Type: Application
    Filed: September 10, 2019
    Publication date: March 12, 2020
    Inventors: Herbert PEIFFER, Martin JESBERGER, Bodo KUHMANN, Viktor FISCHER, Tobias RENTZSCH
  • Publication number: 20190390002
    Abstract: The present invention relates to a transparent, biaxially oriented, thermoformable polyester film including at least 85% by weight of a copolyester whose dicarboxylic acid components derive to an extent of 85 to 94 mol % from terephthalic acid-based units and to an extent of 6 to 15 mol % from isophthalic acid-based units. The inventive films exhibit a surface elasticity modulus in the range from 4500 to 6400 N/mm2; a sum total of the strengths (?5) in longitudinal direction and in transverse direction in the range from 170 to 220 MPa; a density of less than 1390 kg/m3; a haze of less than 2.0 %; a clarity of at least 85%; a gloss of at least 120 and a thickness in the range from 50 to 300 ?m. The invention further relates to processes for producing such films, and to the use thereof.
    Type: Application
    Filed: June 19, 2019
    Publication date: December 26, 2019
    Inventors: Herbert PEIFFER, Martin JESBERGER, Stefan BARTSCH, Bodo KUHMANN, Viktor FISCHER, Matthias KONRAD
  • Publication number: 20190389187
    Abstract: The present invention relates to a transparent packaging for vacuum forming including a specific biaxially oriented thermoformable polyester foil as lower foil (A) and a specific biaxially oriented polyester foil as upper foil (B) that can be heat-sealed to the lower foil (A), and to a process for the production of such packing, and also use thereof.
    Type: Application
    Filed: June 19, 2019
    Publication date: December 26, 2019
    Inventors: Herbert PEIFFER, Martin JESBERGER, Stefan BARTSCH, Tobias RENTZSCH
  • Publication number: 20190030874
    Abstract: A transparent peelable polyester film is provided having a base layer (B) with first and second surfaces. A layer (C) is applied on the base layer (B). A heat-sealable layer (A), peelable to APET AND RPET, is applied on the opposing surface of the base layer (B). The heat-sealable and peelable outer layer (A) is formed from (a) from 85 to 99% by weight of polyester and (b) from 1 to 15% by weight of other substances. The polyester is formed from 25 to 95 mol % of units derived from at least one aromatic dicarboxylic acid and from 5 to 75 mol % of units derived from at least one aliphatic dicarboxylic acid, and the polyester includes at least 10 mol % of units derived from linear or branched diols having more than 2 and the layer (C) includes crosslinked acrylate and/or methacrylate-based copolymers.
    Type: Application
    Filed: July 27, 2018
    Publication date: January 31, 2019
    Inventors: Herbert PEIFFER, Stefan BARTSCH, Martin JESBERGER, Tobias RENTZSCH
  • Publication number: 20180134019
    Abstract: The present invention relates to a transparent, peelable polyester film incorporating at least one biaxially oriented polyester film (=base layer (B)) and at least one peelable covering layer (A) coated offline thereon, in which the covering layer (A) is at least 85 wt. % made up of a polyester of aromatic and aliphatic dicarboxylic acids and aliphatic diols, and the arithmetic mean value of the absolute ordinate values Sb of the covering layer (A) is less than 300 nm and the reduced peak height Spk of the covering layer (A) is less than 700 nm. The invention further relates to a production process for this peelable film and use thereof as sealing film for APET and/or RPET meal trays.
    Type: Application
    Filed: November 9, 2017
    Publication date: May 17, 2018
    Inventors: Herbert PEIFFER, Stefan BARTSCH, Martin JESBERGER, Petr KOLAR
  • Publication number: 20170341355
    Abstract: A transparent, peelable polyester film is provided with clarity greater than 80% including a biaxially oriented polyester film as base layer (B) and an offline coated heat-sealable outer layer (A) that is peelable relative to ready-meal APET or RPET trays. The heat-sealable and peelable outer layer (A) includes from 85 to 99 wt % polyester and from 1 to 15 wt % other substances, the polyester including of from 25 to 95 mol % of units derived from at least one aromatic dicarboxylic acid and from 5 to 75 mol % of units derived from at least one aliphatic dicarboxylic acid. The polyester incorporates at least 10 mol % of units derived from diols having more than 2 carbon atoms. The mass of the dry outer layer (A) is from 1 to 5 g/m2. Production processes for the foregoing film, and use thereof as scalable film for ready-meal trays is also provided.
    Type: Application
    Filed: May 15, 2017
    Publication date: November 30, 2017
    Inventors: Herbert PEIFFER, Bodo KUHMANN, Stefan BARTSCH, Martin JESBERGER, Tobias RENTZSCH
  • 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
  • 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: 20100288353
    Abstract: The invention relates to a coextruded, biaxially oriented polyester film including a base layer (B) and at least one outer layer (A), in which the base layer (B) is mainly formed from thermoplastic polyester and the outer layer (A) is mainly formed from a mixture of from 50 to 97% by weight of ethylene-acrylate copolymer and from 3 to 50% by weight of polyester, where the proportion of acrylate in the ethylene-acrylate copolymer is from 2.5 to 15 mol %, based on the monomers of the copolymer. A process for the production of the film, and the use of the film are also described.
    Type: Application
    Filed: May 12, 2010
    Publication date: November 18, 2010
    Inventors: Holger KLIESCH, Herbert Peiffer, Lothar Bothe
  • Publication number: 20100291396
    Abstract: The invention relates to a heat-sealable coextruded, biaxially oriented polyester film which is peelable with respect to nonpolar substrates, for example PS and PP, and which encompasses a base layer (B) and an outer layer (A), in which a) the base layer (B) is mainly formed from a copolyester containing ethylene terephthalate units and ethylene isophthalate units, where the proportion of ethylene isophthalate units in the copolyester is from 3 to 15 mol %, and b) the outer layer (A) is formed from 30 to 95% by weight of ethylene-polar-ethylene copolymer and 5 to 70% by weight of polyester, where the proportion of polar-ethylene in the copolymer is from 2.5 to 15 mol %. The outer layer (A) polyester preferably includes an ethylene-terephthalate-ethylene-isophthalate copolyester. The film is particularly suitable as peelable film (lid film) for food or drink containers.
    Type: Application
    Filed: May 12, 2010
    Publication date: November 18, 2010
    Inventors: Herbert Peiffer, Bodo Kuhmann
  • Patent number: 7829175
    Abstract: The invention relates to a multilayer, white, biaxially oriented polyester film, which has a base layer B and at least one outer layer (A), where a) the base layer (B) includes, as sole whitening pigment, a concentration of from 5 to 25% by weight of barium sulfate, and b) the outer layer (A) includes, as sole whitening pigment, a concentration of from 5 to 25% by weight of barium sulfate, and also includes from 0.01 to 4% by weight of antiblocking agent whose median diameter (d50 value) is from 2 to 8 ?m.
    Type: Grant
    Filed: March 30, 2007
    Date of Patent: November 9, 2010
    Assignee: Mitsubishi Polyester Film GmbH
    Inventors: Martin Jesberger, Herbert Peiffer, Dirk Broeder
  • 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
  • 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
  • Publication number: 20090061138
    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 good peelability with respect to nonpolar substrates, such as polystyrene and polypropylene. The heat-sealable and peelable outer layer (A) includes a copolymer of ethylene and polar-ethylene. 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: Herbert Peiffer, Bodo Kuhmann
  • Patent number: 7442427
    Abstract: This invention relates to coextruded, transparent, biaxially oriented polyester film comprising a base layer (B) and a heatsealable top layer (A) which is peelable from at least APET, the heatsealable and peelable top layer (A) consisting of a) 80-98% by weight of polyester and b) 2-10% by weight of inorganic and/or organic particles having an average diameter d50 of from 2.5 to 8.0 ?m (based on the mass of the top layer (A)), wherein c) the polyester being composed of 12-89 mol % of units which derive from at least one aromatic dicarboxylic acid and 11-88 mol % of units which derive from at least one aliphatic dicarboxylic acid, the sum of the dicarboxylic acid-derived molar percentages being 100, d) the ratio of particle size d50 and layer thickness dA of the top layer (A) being greater than 1.2 and e) the layer thickness of the top layer (A) dA being from 1.0 to 5 ?m. The invention further relates to a process for producing the film and to its use.
    Type: Grant
    Filed: September 29, 2004
    Date of Patent: October 28, 2008
    Assignee: Mitsubishi Polyester Film GmbH
    Inventors: Herbert Peiffer, Matthias Konrad, Harald Mueller, Paul Broemmel
  • Patent number: 7396578
    Abstract: Coextruded, biaxially oriented polyester films which have a base layer (B) and have a heatsealable outer layer (A) that can be peeled from APET/CPET and from CPET, where the outer layer (A) includes a) from 60 to 99% by weight of polyester and b) from 1 to 10% by weight of inorganic and/or organic particles with a median diameter d50 of from 2 to 8 ?m, and where c) the polyester is composed of from 12 to 89 mol % of units derived from at least one aromatic dicarboxylic acid and of from 11 to 88 mol % of units derived from at least one aliphatic dicarboxylic acid, and the non-sealable surface of the film has been rendered adhesion-promoting. The films of the invention are suitable as a packaging material for foods and other consumable items, and as a lid film for APET/CPET or CPET trays.
    Type: Grant
    Filed: November 9, 2004
    Date of Patent: July 8, 2008
    Assignee: Mitsubishi Polyester Film GmbH
    Inventors: Herbert Peiffer, Bart Janssens, Matthias Konrad, Andreas Stopp