Patents by Inventor Lothar Bothe

Lothar Bothe 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: 9074407
    Abstract: The invention relates to an at least three-layer, biaxially oriented polyester film with a carbon-black-filled outer layer and with two TiO2-containing layers, where a TiO2-containing layer is also an outer layer and where the thickness of the outer layers is from 4 to 15 ?m, the thickness of the base layer is ?the total of the thicknesses of the outer layers, the white outer layer includes at least 15% by weight of TiO2, the base layer includes at least 4% by weight of TiO2, the carbon-black-containing outer layer includes from 3 to 15% by weight of carbon black, and the SV value of the film is at least 600, where all % by weight data are based on the weight of the respective layer, and also to a process for the production of this type of film and to the use of the film in particular in blinds, including roller blinds, Venetian blinds, or projection screens, or in displays.
    Type: Grant
    Filed: February 5, 2010
    Date of Patent: July 7, 2015
    Assignee: Mitsubishi Polyester Film GmbH
    Inventors: Holger Kliesch, Lothar Bothe, Dirk Broeder, Ingo Fischer
  • Publication number: 20120196980
    Abstract: The invention relates to a biaxially oriented film, predominantly formed from a polyester whose diol component includes at least 35 mol-% of 1,4-cyclohexanedimethanol (CHDM) and additionally contains at least one further diol different from CHDM. The dicarboxylic acid component of the polyester 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 of the polyester includes a main dicarboxylic acid component forming an at least 55 mol-% portion of the dicarboxylic acid component, chosen from 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 5 mol-% of the dicarboxylic acid component, 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, Lothar Bothe, Ingo Fischer, Andreas Bork, Bodo Kuhmann
  • Publication number: 20120196979
    Abstract: The invention relates to a biaxially oriented film, predominantly formed from a polyester whose diol component includes at least 80 mol-% of 1,4-cyclohexanedimethanol (CHDM), and whose 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, Lothar Bothe, Rainer Kurz
  • Publication number: 20110192552
    Abstract: The invention relates to an at least three-layer, biaxially oriented polyester film with a carbon-black-filled outer layer and with two TiO2-containing layers, where a TiO2-containing layer is also an outer layer and where the thickness of the outer layers is from 4 to 15 ?m, the thickness of the base layer is ?the total of the thicknesses of the outer layers, the white outer layer comprises at least 15% by weight of TiO2, the base layer comprises at least 4% by weight of TiO2, the carbon-black-containing outer layer comprises from 3 to 15% by weight of carbon black, and the SV value of the film is at least 600, where all % by weight data are based on the weight of the respective layer, and also to a process for the production of this type of film and to the use of the film in particular in blinds, including roller blinds, Venetian blinds, or projection screens, or in displays.
    Type: Application
    Filed: February 5, 2010
    Publication date: August 11, 2011
    Inventors: Holger Kliesch, Lothar Bothe, Dirk Broeder, Ingo Fischer
  • Patent number: 7960010
    Abstract: The invention relates to a multilayer, antimicrobially modified, biaxially oriented polyester film that includes at least one base layer (B) and an outer layer (A) that has been applied to the base layer and that has also been antimicrobially modified, wherein the antimicrobially modified outer layer (A) comprises a silver-loaded zeolite, has a layer thickness <8 ?m, and the layer thickness is not greater than 1.3 times the median particle size of the zeolite. The invention further relates to a process for the production of the film, and to the use of the film.
    Type: Grant
    Filed: November 12, 2008
    Date of Patent: June 14, 2011
    Assignee: Mitsubishi Polyester Film GmbH
    Inventors: Holger Kliesch, Bodo Kuhmann, Ingo Fischer, Lothar Bothe, Matthias Konrad
  • 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
  • Patent number: 7803857
    Abstract: Biaxially oriented mono- or multilayered polyester film containing at least one UV stabilizer according to formula (I): wherein R1 is —H, C1-C12-alkyl, -aryl, —S—(C1-C12)-alkyl or —O—R9 or —O—(C1-C5)-alkylene-C(O)O—R9, wherein R9 is -aryl or C1-C12-alkyl, R3 and R4 and R2, R5, R6, R7 and R8 independently from each other represent —H, —(C1-C12)-alkyl, —O—(C1-C12)-alkyl, -aryl or —O-aryl, wherein said alkyl radicals with more than two C-atoms and alkylene radicals with more than one C-atom can be linear or branched.
    Type: Grant
    Filed: December 18, 2007
    Date of Patent: September 28, 2010
    Assignee: Mitsubishi Polyester Film GmbH
    Inventors: Holger Kliesch, Ursula Murschall, Ingo Fischer, Martin Jesberger, Lothar Bothe
  • Publication number: 20090123723
    Abstract: The invention relates to a multilayer, antimicrobially modified, biaxially oriented polyester film that includes at least one base layer (B) and an outer layer (A) that has been applied to the base layer and that has also been antimicrobially modified. The invention further relates to a process for the production of the film, and to the use of the film.
    Type: Application
    Filed: November 12, 2008
    Publication date: May 14, 2009
    Inventors: Holger KLIESCH, Bodo Kuhmann, Ingo Fischer, Lothar Bothe, Matthias Konrad
  • Patent number: 5645919
    Abstract: A self-supporting sheet-like structure is described, which contains a substrate layer and a structured coating on at least one surface of the substrate layer. The structured coating is produced by treating at least one surface of the substrate layer by means of an electric corona discharge, which takes place between a high voltage electrode and a grounded counter-electrode. In this procedure, an aerosol containing discrete inert particles is simultaneously introduced into the corona discharge space during the corona discharge to improve the slip characteristics and reduce friction of the substrate layer.
    Type: Grant
    Filed: July 10, 1995
    Date of Patent: July 8, 1997
    Assignee: Hoechst Aktiengesellschaft Corporation
    Inventors: Lothar Bothe, Hermann Dallmann, Peter Dinter, John Derek Gribbin
  • Patent number: 5443895
    Abstract: Described is a transparent shrinkable film comprising a base layer prepared from propylene-containing polymers and a hydrocarbon resin. The base layer contains about 5 to 40% by weight of a propylene homopolymer, 0 to about 30% by weight of a hydrogenated hydrocarbon resin having a softening point in the range from about 80.degree. to 125.degree. C., and about 30 to 95% by weight of a random ethylene-propylene copolymer, the percentages being related to the total weight of the mixture. A top layer is arranged on either side of the base layer. The invention also describes a process for the manufacture of the film.
    Type: Grant
    Filed: April 16, 1993
    Date of Patent: August 22, 1995
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Herbert Peiffer, Gunter Schloegl, Lothar Bothe
  • Patent number: 5405932
    Abstract: Oil-soluble, phenolic resin-modified natural resinic acid esters, which are able to form self-gelling mineral oil solutions and in the form of gel varnishes can advantageously be used as binder resins in printing inks for offset printing and letterpress printing, and also processes for their preparation from natural resins, phenols, aldehydes, condensation catalyst, esterifying agents and modifiers by reaction of the components at temperatures in the range from 80.degree. to 300.degree. C., individual components preferably being initially introduced and the other components being metered in, the combined use of a magnesium compound as condensation catalyst and the continuous removal of the water of reaction during the condensation reaction by azeotropic distillation with co-use of an inert organic solvent as distillative entraining agent being necessary and decisive for the self-gelling property of the process product.
    Type: Grant
    Filed: January 21, 1994
    Date of Patent: April 11, 1995
    Assignee: Hoechst AG
    Inventors: Albert Bender, Walter Hilker, Lothar Bothe
  • Patent number: 5362818
    Abstract: Modified cyclopentadiene resins comprising essentiallya) 20 to 80% by weight of cyclopentadiene compounds,b) 1 to 40% by weight of natural resin acids andc) 31 to 70% by weight of phenol resins.These compounds are suitable as binder resins for printing inks. They are distinguished by excellent compatibility with aromatics-free mineral oils and with vegetable oils.
    Type: Grant
    Filed: April 5, 1993
    Date of Patent: November 8, 1994
    Assignee: Hoechst Aktiengesellschaft AG
    Inventors: Albert Bender, Lothar Bothe, Manfred Finke, Gerhard Werner
  • Patent number: 5324350
    Abstract: Cyclopentadiene-modified alkyd resins obtained by reaction of naturally occurring, unsaturated fatty acid esters with cyclopentadiene compounds under pressure, transesterification of the resulting adducts with polyols which contain at least three hydroxyl groups, and esterification with aromatic or cycloaliphatic polycarboxylic acids or anhydrides thereof. These resins are employed in the preparation of printing inks for offset printing. The novel resins impart an improved gloss to these printing inks.
    Type: Grant
    Filed: March 2, 1993
    Date of Patent: June 28, 1994
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Albert Bender, Lothar Bothe, Gerhard Werner
  • Patent number: 5271970
    Abstract: A polymeric sheet structure consists of an adhesion-promoting coating on at least one surface of the substrate. The adhesion-improving coating is produced by treating this substrate surface with an electrical corona discharge between high voltage electrodes and a grounded counter-electrode while simultaneously spraying an aerosol into the corona discharge zone. The aerosol contains, for example, an aqueous emulsion of thermoplastic and/or crosslinkable components as an adhesion-promoting agent.
    Type: Grant
    Filed: May 4, 1992
    Date of Patent: December 21, 1993
    Assignee: Hoechst Aktiengesellschaft
    Inventors: John D. Gribbin, Lothar Bothe, Peter Dinter
  • Patent number: 5254394
    Abstract: A polyolefin film which comprises a polypropylene base layer and at least one top layer of a propylene polymer, wherein the base layer is formed of an isotactic polypropylene and the top layer of a syndiotactic polypropylene, has high sealed-seam strength and excellent optical properties and is useful as, for example, a packaging material.
    Type: Grant
    Filed: November 4, 1991
    Date of Patent: October 19, 1993
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Lothar Bothe, Volker Dolle, Andreas Winter, Thomas Wilhelm
  • Patent number: 5252384
    Abstract: A polyolefin film which comprises a polypropylene base layer and at least one top layer comprising a propylene polymer, wherein the base layer is formed of an isotactic polypropylene and the top layer of a copolymer of an o-olefin having 2 to 8 carbon atoms and a syndiotactic propylene, has high sealed-seam strength and excellent optical properties and is useful as, for example, a packaging material.
    Type: Grant
    Filed: November 4, 1991
    Date of Patent: October 12, 1993
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Lothar Bothe, Volker Dolle, Andreas Winter, Thomas Wilhelm
  • Patent number: 5234733
    Abstract: A shrink film which is comprised of a plurality of polyolefinic layers is disclosed. The base layer comprises polypropylene and a hydrogenated hydrocarbon resin admixture, and the top layers on each side of the base layer comprise polyolefinic sealable raw materials. The film possesses a shrinkability of more than 15% in the transverse direction and of less than 6% in the longitudinal direction, both measured at 90.degree. C. Also disclosed is a process for manufacturing the film comprising coextrusion followed by stretching of the film in the longitudinal and transverse directions, whereby stretching in the longitudinal direction is performed such that the double refraction value .DELTA.n of the longitudinally oriented film is not greater than 15.times.10.sup.-3.
    Type: Grant
    Filed: May 3, 1989
    Date of Patent: August 10, 1993
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Gunter Schloegl, Herbert Peiffer, Ursula Murschall, Lothar Bothe, Guenther Crass
  • Patent number: 5212009
    Abstract: Described is a transparent shrinkable film comprising a base layer prepared from propylene-containing polymers and a hydrocarbon resin. The base layer contains about 5% to 40% by weight of a propylene homopolymer, 0% to about 30% by weight of a hydrogenated hydrocarbon resin having a softening point in the range from about 80.degree. to 125.degree. C., and about 30% to 95% by weight of a random ethylene-propylene copolymer, the percentages being related to the total weight of the mixture. A top layer is arranged on either side of the base layer. The invention also describes a process for the manufacture of the film.
    Type: Grant
    Filed: May 21, 1990
    Date of Patent: May 18, 1993
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Herbert Peiffer, Gunter Schloegi, Lothar Bothe
  • Patent number: 5186974
    Abstract: A self-supporting sheet-like structure comprises a coating, which reduces sliding friction, on at least one surface of the substrate. The slip-improving coating is produced by treating this substrate surface by means of an electric corona discharge between a high voltage electrode and a grounded counter-electrode while simultaneously spraying an aerosol into the corona discharge zone. The aerosol contains a film-forming agent as a slip agent, for example aqueous solutions or emulsions of monoesters of glycerol and long-chain fatty acids.
    Type: Grant
    Filed: October 5, 1990
    Date of Patent: February 16, 1993
    Assignee: Hoechst Aktiengesellschaft
    Inventors: John D. Gribbin, Lothar Bothe, Peter Dinter, Hermann Dallmann
  • Patent number: 5175051
    Abstract: The biaxially oriented film based on a propylene polymer contains an inorganic particulate neutralizing agent, in particular a carbonate or magnesium oxide. To improve the slip properties, the particles have been given a hydrophobic coating, in particular a coating of wax, a fatty acid, a salt of a fatty acid or an ester of a fatty acid.
    Type: Grant
    Filed: January 12, 1990
    Date of Patent: December 29, 1992
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Gunter Schloegl, Ursula Murschall, Lothar Bothe, Guenther Crass