Patents Assigned to Alkor GmbH
  • Patent number: 6333094
    Abstract: The present invention relates to a multilayer thermoformable composite synthetic veneer film, furniture parts produced therefrom, and a process for producing the same. The base layer comprising polyolefin has a thickness of 100 to 500 &mgr;m and a particular composition and is composed of at least three different polyolefins. The film also includes at least one intermediate layer in the form of at least one primer layer, bonding layer or bonding film or, respectively, bonding layer; an optional printing layer, coloring layer or color-printing layer arranged over part or all of the surface; at least one polyester-containing single- or multiple-layer-structure layer or film; at least one bonding layer, adhesion-promoting layer or reactant layer on the side of the base layer that is to be applied to a substrate; and a surface-covering layer on the top of the film.
    Type: Grant
    Filed: September 17, 1999
    Date of Patent: December 25, 2001
    Assignee: Alkor GmbH Kunststoffe
    Inventors: Manfred Schneider, Egon Ewald
  • Patent number: 5858404
    Abstract: Process and device for producing two-colored or multicolored switchboard films, dashboard films or dashboards for motor vehicles produced therefrom using at least one backing film or backing layer, at least one upper film or upper layer which is arranged thereon and contains dyes and/or color pigments. The polymer melts for these films or layers come from two or more extruders and are supplied first to an adapter or a black box having at least one opening or a gap for the backing film or layer and at least one further opening for the upper film or upper layer. According to the invention, an adapter or a black box is used in which a wedge-shaped projection or a projection of triangular cross section is arranged. At least two different-colored polymer compositions in melt form, having identical viscosity or virtually identical viscosity (difference in MFI at 230.degree. C./2.16 kg of 0 to 0.
    Type: Grant
    Filed: March 25, 1997
    Date of Patent: January 12, 1999
    Assignee: Alkor GmbH Kunststoffe
    Inventors: Eberhardt Dous, Uwe Schattauer
  • Patent number: 5811046
    Abstract: Process and device for producing two-colored or multicolored switchboard films, dashboard films or dashboards for motor vehicles produced therefrom using at least one backing film or backing layer, at least one upper film or upper layer which is arranged thereon and contains dyes and/or color pigments. The polymer melts for these films or layers come from two or more extruders and are supplied first to an adapter or a black box having at least one opening or a gap for the backing film or layer and at least one further opening for the upper film or upper layer. According to the invention, an adapter or a black box is used in which a wedge-shaped projection or a projection of triangular cross section is arranged. At least two different-colored polymer compositions in melt form, having identical viscosity or virtually identical viscosity (difference in MFI at 230.degree. C./2.16 kg of 0 to 0.
    Type: Grant
    Filed: August 22, 1996
    Date of Patent: September 22, 1998
    Assignee: Alkor GmbH Kunststoffe
    Inventors: Eberhardt Dous, Uwe Schattauer
  • Patent number: 5611982
    Abstract: The present invention relates to a deep-drawable film in the form of a laminated film which contains a top film having certain amounts by weight of (a) at least one crosslinked PP-EPDM and (b) one uncrosslinked propylene block copolymer or heterophase propylene block polymer, 15 to 1% by weight of (b) being replaced with the same amount by weight of a polymer and/or ionomer (c) containing reactive groups. The invention furthermore relates to the process for the production of the laminated film and the use thereof. The bottom film(s) contain(s) certain amounts by weight of (d) at least one partially crosslinked EPDM, (e) one propylene homopolymer, copolymer or graft polymer, (f) at least one polymer and/or ionomer containing reactive groups and (g) at least one polymeric crosslinking agent containing reactive groups.
    Type: Grant
    Filed: May 12, 1995
    Date of Patent: March 18, 1997
    Assignee: Alkor GmbH Kunststoffe
    Inventors: Thambirajah Mathavan, Eberhardt Dous
  • Patent number: 5482766
    Abstract: The present invention relates to a deep-drawable film in the form of a laminated film which contains a top film having certain amounts by weight of (a) at least one crosslinked PP-EPDM and (b) one uncrosslinked propylene block copolymer or heterophase propylene block polymer, 15 to 1% by weight of (b) being replaced with the same amount by weight of a polymer and/or ionomer (c) containing reactive groups. The invention furthermore relates to the process for the production of the laminated film and the use thereof. The bottom film(s) contain(s) certain amounts by weight of (d) at least one partially crosslinked EPDM, (e) one propylene homopolymer, copolymer or graft polymer, (f) at least one polymer and/or ionomer containing reactive groups and (g) at least one polymeric crosslinking agent containing reactive groups.
    Type: Grant
    Filed: June 21, 1994
    Date of Patent: January 9, 1996
    Assignee: Alkor GmbH Kunststoffe
    Inventors: Thambirahaj Mathavan, Eberhardt Dous
  • Patent number: 5059270
    Abstract: In a process for the welding of plastic films lying flat, one on top of the other, the plastic films are brought into contact with a heated cutting edge and hot-tool welded. Two-layered or multilayered composite films of different chemical composition are used for the welding; for example, one composite film can be an opaque, colored or uncolored layer, on which there is arranged a transparent sealing layer comprised of a propylene-ethylene copolymer or a propylene-ethylene blend. The sealing layer of the opaque composite film is welded directly to a sealing layer of a second, transparent composite film.
    Type: Grant
    Filed: March 16, 1989
    Date of Patent: October 22, 1991
    Assignee: Alkor GmbH Kunststoffe
    Inventors: Edgar Fleischmann, Maximillian Mayr, Heinrich Heitz
  • Patent number: 4892605
    Abstract: A multi-layer laminate web for furniture formed of a polyolefin web containing a mixture or blend of specific proportions by weight of a propylene homopolymer or copolymer and specific proportions by weight of a low pressure polyethylene, polyvinylalcohol, ethylene-vinylalcohol copolymer, ethylene-acrylic acid copolymer, ethylene-acrylate ester-acrylic acid copolymer or -terpolymer and/or polycaprolactone or a mixture of blend of low pressure polyethylene with one or more of the foregoing polymers, copolymers or terpolymers and specific proportions by weight of a finely divided mineral filler or mineral filler mixture having on the surface thereof a substance having polar and non-polar groups, and a surface layer having an average thickness from 3 to 30 microns applied over the polyolefin web. A method for producing a furniture laminate is also disclosed.
    Type: Grant
    Filed: June 13, 1988
    Date of Patent: January 9, 1990
    Assignee: Alkor GmbH Kunststoffe
    Inventors: Manfred Schneider, Heinrich Heitz, Dieter Schlenz, Egon Ewald
  • Patent number: 4767667
    Abstract: A multi-layer laminate web for furniture formed of a polyolefin web containing a mixture or blend of specific proportions by weight of a propylene homopolymer or copolymer and specific proportions by weight of a low pressure polyethylene, polyvinylalcohol, ethylene-vinylalcohol copolymer, ethylene-acrylic acid copolymer, ethylene-acrylate ester-acrylic acid copolymer or -terpolymer and/or polycaprolactone or a mixture or blend of low pressure polyethylene with one or more of the foregoing polymers, copolymers or terpolymers and specific proportions by weight of a finely divided mineral filler or mineral filler mixture having on the surface thereof a substance having polar and non-polar groups, and a surface layer having an average thickness from 3 to 30 microns applied over the polyolefin web. A method for producing a furniture laminate is also disclosed.
    Type: Grant
    Filed: August 22, 1986
    Date of Patent: August 30, 1988
    Assignee: Alkor GmbH Kunststoffe
    Inventors: Manfred Schneider, Heinrich Heitz, Dieter Schlenz, Egon Ewald
  • Patent number: 4751141
    Abstract: A polypropylene foil with a content of fine particles of cellulose acquires substantially improved adhesion properties through surface activation, for example, radiation.
    Type: Grant
    Filed: February 24, 1983
    Date of Patent: June 14, 1988
    Assignee: Alkor GmbH Kunststoffverkauf
    Inventors: Roland Fink, Heinrich Heitz
  • Patent number: 4576860
    Abstract: A foam laminate foil or web and process therefor. The laminate includes an unfoamed top layer containing an elastomer grafted styrene-acrylonitrile copolymer (ASA), grafted with polyfunctional acrylates and a chlorinated polyethylene (PEC) and/or a rubber-like ethylene-propylene mixed polymer (EPM) and/or a rubber-like terpolymer of ethylene, propylene and a diene, a closed pore polyolefin bottom layer with a bulk density of 30 kg/m.sup.3 to 700 kg/m.sup.3 which includes an ethylene homo- or copolymer, and an intermediate layer arranged between the bottom layer and the top layer and which acts as a coupling agent. The intermediate layer includes a low pressure polyethylene, an ethylene-vinyl ester copolymer and a rubber-like ethylene-propylene mixed polymer (EPM) and/or a rubber-like terpolymer of ethylene, propylene and a diene (EPDM).
    Type: Grant
    Filed: August 12, 1985
    Date of Patent: March 18, 1986
    Assignee: Alkor GmbH Kunststoffe
    Inventors: Roland Fink, Maximilian Mayr, Dieter Schlenz
  • Patent number: 4478660
    Abstract: A method for forming a laminate which is composed of a decorative layer and a carrier panel comprising applying a crosslinking plastic foam onto a decorative carrier web, subjecting the thus coated web to heat treatment to dry and partially crosslink the foam and then marrying the unfoamed side of the web to a carrier panel with the application of heat and pressure so as to further crosslink the foam. Laminates in accordance with the invention are described. Such laminates possess stability against delamination as well as relative freedom from gaseous inclusions.
    Type: Grant
    Filed: February 27, 1980
    Date of Patent: October 23, 1984
    Assignee: Alkor GmbH Kunststoffverkauf
    Inventors: Josef Landler, Max Mayr
  • Patent number: 4418106
    Abstract: A method for producing a flocked web by applying a layer of a thermosetting plastic foam onto a carrier sheet which foam penetrates into the surface of the carrier, flocking the uncrosslinked layer and then thermally hardening the layer and wherein prior to complete crosslinking of the flocked layer, the partially crosslinked flocked layer is submitted to heat pressing. In a preferred embodiment, the heat pressing can include an embossing step. The process of the present invention is not only easy to carry out, it avoids the presence of air bubbles as well as other inconsistancies in the product. The product obtained with the present invention is also disclosed.
    Type: Grant
    Filed: April 12, 1983
    Date of Patent: November 29, 1983
    Assignee: Alkor GmbH Kunstoffverkauf
    Inventors: Josef Landler, Max Mayr
  • Patent number: 4148956
    Abstract: Thermoplastic moulding compositions of linear polyesters and styrene/acrylonitrile modified by .alpha.-methylstyrene and/or acrylates can readily be processed to give mouldings which have outstanding toughness characteristics and other mechanical properties. Furthermore, from these moulding compositions it is possible to produce sheets which can be hot-laminated without patterns applied thereto being destroyed.
    Type: Grant
    Filed: December 22, 1977
    Date of Patent: April 10, 1979
    Assignees: Alkor GmbH, Ciba-Geigy AG
    Inventors: Franz Breitenfellner, Roland Fink
  • Patent number: 4148955
    Abstract: Matt films having a scratch-resistant surface are obtained from moulding compositions reinforced with glass spheres if the extruded film is stretched while still in the melt-fluid state, and then allowed to cool. These films are suitable for use as coating materials, especially for furniture, doors and the like.
    Type: Grant
    Filed: October 13, 1977
    Date of Patent: April 10, 1979
    Assignees: Alkor GmbH, Ciba-Geigy AG
    Inventors: Franz Breitenfellner, Roland Fink
  • Patent number: 4126594
    Abstract: A lacquer consisting essentially of a uniform dispersion or solution of 8% to 16% polymerized lower alkyl acrylate and/or methacrylate having 1% to 20% free carboxyl groups, 2.5% to 10% polymethyl or polyethylmethacrylate, 5% to 10% water-soluable, thermosetting melamine resin, the balance being a volatile medium consisting essentially of water and a lower alkanol when deposited on a plastic film and cured at a temperature at least sufficient to volatilize the solvent, forms a transparent, abrasion-resistant coating.
    Type: Grant
    Filed: November 15, 1976
    Date of Patent: November 21, 1978
    Assignee: Alkor GmbH Kunststoffverkauf
    Inventors: Victor Peters, Franz Krammer