Patents by Inventor Karlheinz Hausmann

Karlheinz Hausmann 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: 20220080709
    Abstract: A multilayer structure includes an oriented polyethylene film and a barrier layer disposed on at least one surface of the oriented polyethylene film. The oriented polyethylene film comprises at least one layer having a polymer blend of at least one ethylene-based polymer and at least one ethylene acid copolymer. The ethylene-based polymer has a density of 0.910 to 0.960 g/cm3 and a melt index (I2) of 0.3 to 10 g/10 mins. The ethylene acid copolymer is the polymerized reaction product of ethylene monomer, monomer selected from the group consisting of monocarboxylic acids, dicarboxylic acids, anhydrides, and monoesters thereof, and optionally alkyl acrylate monomer. From 0 to 90 mol. % of total acid units of the ethylene acid copolymer may be neutralized with a neutralizing salt solution.
    Type: Application
    Filed: January 21, 2020
    Publication date: March 17, 2022
    Applicants: Dow Global Technologies LLC, Performance Materials NA, Inc.
    Inventors: Jianping Pan, Luis Duque, Karlheinz Hausmann, Barry Alan Morris, Thomas Galatik
  • Publication number: 20210380775
    Abstract: Disclosed herein is a foamed composition comprising 55 to 98 wt. % of polyamide, and 2 to 45 wt. % of innomer comprising a zinc neutralized ethylene acid copolymer. The zinc neutralized ethylene acid copolymer is the polymerized reaction product of ethylene monomer, monocarboxylic acid monomer, and unsaturated dicarboxylic acid monomer, and 30 to 70 mole percent of total acid units of the ionomer are neutralized.
    Type: Application
    Filed: September 28, 2018
    Publication date: December 9, 2021
    Applicant: Performance Materials NA, Inc.
    Inventors: Jinliang Yan, Richard Tien Hua Chou, Karlheinz Hausmann, Zhongyu Wang
  • Publication number: 20210371712
    Abstract: Embodiments of the present disclosure are directed to a thermoplastic adhesive composition comprising: at least one maleic anhydride-grafted ethylene-based polymer; at least one at least one ethylene/?-olefin/non-conjugated diene interpolymer having a molecular weight distribution (MWD) ?2.5, wherein MWD=Mw/Mn, wherein Mw is weight averaged molecular weight and Mn is number averaged molecular weight, which are both determined by gel permeation chromatography; a very low density polyethylene (VLDPE) having a density in the range 0.885 to 0.915 grams/cm3; and optionally at least one ethylene alkyl (meth)acrylate copolymer, wherein the alkyl group comprises one to four carbon atoms.
    Type: Application
    Filed: June 26, 2019
    Publication date: December 2, 2021
    Applicant: Performance Materials NA, Inc.
    Inventors: Camille Olry, Karlheinz Hausmann, I-Hwa Lee
  • Publication number: 20210252838
    Abstract: Embodiments of the present disclosure are directed to coextruded multilayer films comprising a comprising a plurality of layers, wherein at least one layer comprises the thermoplastic adhesive composition, the thermoplastic adhesive composition comprising: at least one maleic anhydride-grafted ethylene-based polymer; at least one at least one ethylene/?-olefin/non-conjugated diene interpolymer having a molecular weight distribution (MWD)?2.5, wherein MWD=Mw/Mn, wherein Mw is weight averaged molecular weight and Mn is number averaged molecular weight, which are both determined by gel permeation chromatography; and a very low density polyethylene (VLDPE) having a density in the range 0.885 to 0.915 grams/cm3.
    Type: Application
    Filed: June 26, 2019
    Publication date: August 19, 2021
    Applicant: Performance Materials NA, Inc.
    Inventors: Camille Olry, Karlheinz Hausmann, I-Hwa Lee
  • Patent number: 10421258
    Abstract: Disclosed is a composition that comprises or is produced from a first ethylene ?-olefin copolymer, a modified first ethylene ?-olefin copolymer, and a second ethylene ?-olefin copolymer or propylene ?-olefin copolymer. Also disclosed is a multilayer film or sheet structure containing at least one barrier layer; at least one predominantly propylene-based layer, at least one predominantly ethylene-based layer, or both; and at least one adhesive layer produced from the composition. Further disclosed is a produced for producing a multilayer structure using the composition as adhesive layer.
    Type: Grant
    Filed: August 13, 2015
    Date of Patent: September 24, 2019
    Assignee: Performance Materials NA, Inc.
    Inventors: I-Hwa Lee, Karlheinz Hausmann
  • Publication number: 20180264787
    Abstract: Disclosed is a multilayer biaxially oriented sheet- or tube-type food casing or food packaging film comprising in order from outside to inside an outside surface layer preferably comprising polyester; a gas barrier layer preferably comprising ethylene vinyl alcohol copolymer positioned so that at least 60% of the total film thickness is to the inside of the gas barrier layer with respect to a package prepared from the film; an optionally shrinkable forming layer comprising polyolefins or ethylene copolymers; and an inside surface layer comprising polyethylene homopolymer or an ethylene alkyl (meth)acrylic acid copolymer or ionomer thereof. The casing or film can be produced by a blown film process and biaxially oriented by a triple-bubble process or by cast film process and biaxially oriented by a tenter frame process.
    Type: Application
    Filed: September 29, 2015
    Publication date: September 20, 2018
    Inventors: Karlheinz Hausmann, Yves M. Trouilhet, Camille Olry, Heiko E. Schenck
  • Patent number: 9783352
    Abstract: Disclosed is a multilayer film structure, comprising, in order, a puncture resistant layer comprising at least one cyclic olefin copolymer (COC) and at least one ionomer or polyolefin, a tie layer and a sealant layer. The structure can be coextruded and can be prepared using a triple bubble process.
    Type: Grant
    Filed: January 31, 2013
    Date of Patent: October 10, 2017
    Assignee: E.I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Karlheinz Hausmann, Yves M Trouilhet
  • Publication number: 20170266933
    Abstract: Disclosed is a composition that comprises or is produced from a first ethylene ?-olefin copolymer, a modified first ethylene ?-olefin copolymer, and a second ethylene ?-olefin copolymer or propylene ?-olefin copolymer. Also disclosed is a multilayer film or sheet structure containing at least one barrier layer; at least one predominantly propylene-based layer, at least one predominantly ethylene-based layer, or both; and at least one adhesive layer produced from the composition. Further disclosed is a produced for producing a multilayer structure using the composition as adhesive layer.
    Type: Application
    Filed: August 13, 2015
    Publication date: September 21, 2017
    Inventors: I-Hwa Lee, Karlheinz Hausmann
  • Publication number: 20170210103
    Abstract: Disclosed is a heat shrinkable multilayer film for pallet or multipack shrink applications comprising at least one ionomer layer comprising from 5 to 40 weight % of the film, consisting essentially of a copolymer of ethylene and methacrylic acid or acrylic acid wherein from about 1 to about 99% of the carboxylic acid groups are neutralized to carboxylate salts comprising metal ions; and at least one additional layer comprising 60 to 95 weight % of the film, comprising a polyolefin. Also disclosed are uses and methods to collation shrink the film around objects.
    Type: Application
    Filed: May 18, 2015
    Publication date: July 27, 2017
    Inventors: Karlheinz Hausmann, Lucie Charbonnel, Mariane Zebri, Laurent Ziche
  • Patent number: 9511569
    Abstract: A multilayer film structure is disclosed which comprises at least a first layer made of a bio-based polymer composition; a tie layer comprising one or more ethylene copolymers and one or more inorganic fillers; and optionally at least one additional layer.
    Type: Grant
    Filed: July 2, 2008
    Date of Patent: December 6, 2016
    Assignee: E I DU PONT DE NEMOURS AND COMPANY
    Inventors: Lucie Charbonnel, Karlheinz Hausmann, I-Hwa Lee, Cedric Thomi
  • Publication number: 20160076727
    Abstract: A lighting device comprising a light emitting diode and a cover comprising an ionomer composition that has improved optical properties. The ionomer composition comprises an ionomer that is produced by partially neutralizing a precursor acid copolymer that has a melt index of about 20 to about 400 g/10 min. The precursor acid copolymer comprises copolymerized units of an ?-olefin having 2 to 10 carbons and, based on the total weight of the precursor acid copolymer, about 12 to about 30 weight % of copolymerized units of an ?,?-ethylenically unsaturated carboxylic acid having 3 to 8 carbons.
    Type: Application
    Filed: September 17, 2015
    Publication date: March 17, 2016
    Inventors: STEVEN C. PESEK, Shannon D. Meerscheidt, W. Alexander Shaffer, David M. Dean, Sebastien Tindilliere, George Wyatt Prejean, William J. Glick, Charles Anthony Smith, Karlheinz Hausmann, Loic Pierre Rolland
  • Publication number: 20150274951
    Abstract: A nanofilled ionomer composition comprises a nanofiller in a blend of a first ionomer and a second ionomer that is different from the first ionomer. The second ionomer is a water dispersable ionomer that allows for excellent dispersion of the nanofiller in the ionomer matrix. A variety of articles may comprise or be produced from the nanofilled ionomer composition, for example by injection molding.
    Type: Application
    Filed: October 11, 2013
    Publication date: October 1, 2015
    Inventors: Karlheinz Hausmann, Sam Louis Samuels, Gordon Mark Cohen, Mark David Wetzel
  • Publication number: 20140370278
    Abstract: Disclosed is a multilayer film structure, comprising, in order, a puncture resistant layer comprising at least one cyclic olefin copolymer (COC) and at least one ionomer or polyolefin, a tie layer and a sealant layer. The structure can be coextruded and can be prepared using a triple bubble process.
    Type: Application
    Filed: January 31, 2013
    Publication date: December 18, 2014
    Inventors: Karlheinz Hausmann, Yves M Trouilhet
  • Patent number: 8906479
    Abstract: Disclosed is a shaped article comprising a composition comprising polyamide and ionomer wherein the ionomer comprises a mixture of Zn and alkali metal (M2) cations wherein the Zn/M2 equivalent ratio is from about 0.6 to about 6. The articles prepared from the compositions with mixed ion ionomers exhibit high stiffness, hardness and toughness, good scratch resistance, desirable low melt viscosity and high processability.
    Type: Grant
    Filed: December 30, 2011
    Date of Patent: December 9, 2014
    Assignee: E I du Pont de Nemours and Company
    Inventors: Richard T. Chou, Herbert Vernon Bendler, Karlheinz Hausmann
  • Patent number: 8858985
    Abstract: Films comprising a liquid-absorbent layer with an adsorbed antimicrobial material and an impermeable layer are provided. The films can be suitable for preparation of tubular casings and shrinkbags such as casings for foodstuffs. Also disclosed are foodstuffs processed in the tubular casing comprising the antimicrobial material.
    Type: Grant
    Filed: May 11, 2005
    Date of Patent: October 14, 2014
    Assignee: E I du Pont de Nemours and Company
    Inventors: I-Hwa Lee, Karlheinz Hausmann
  • Publication number: 20140113142
    Abstract: A coextruded multilayer structure which can be oriented and a process therefor are disclosed in which the structure comprises a poly(hydroxyalkanoic acid) polymer (PHA) composition layer, a tie layer, and a sealant layer and the process comprises, consists essentially of, or consists of coextruding a PHA composition, a tie layer composition, and a sealant layer composition to produce a tubular multiplayer structure; cooling the multilayer film structure in a first bubble to produce a tubular multilayer structure; orienting the tubular multilayer structure under heating in a second bubble to produce an oriented tubular multilayer structure; and relaxing the oriented tubular multilayer structure under heating in a third bubble. The structure can be used to produce an article such as a packaging article.
    Type: Application
    Filed: October 24, 2012
    Publication date: April 24, 2014
    Applicant: E I DU PONT DE NEMOURS AND COMPANY
    Inventors: KARLHEINZ HAUSMANN, Yves M. Trouilhet, Juergen Schiffmann
  • Patent number: 8586663
    Abstract: Disclosed in a composition comprising at least one ionomer (A) and at least one blend comprising at least one polyamide and at least one ionomer (B) wherein the polyamide is an aliphatic polyamide and the ionomer (B) is a copolymer of ethylene, an ?, ?-unsaturated C3-C8 carboxylic acid, at least one ethylenically unsaturated dicarboxylic acid or derivative thereof, and optionally an alkyl (meth)acrylate.
    Type: Grant
    Filed: February 7, 2012
    Date of Patent: November 19, 2013
    Assignee: E I du Pont de Nemours and Company
    Inventors: Karlheinz Hausmann, Richard T. Chou, Herbert Vernon Bendler
  • Publication number: 20130172488
    Abstract: Disclosed is a shaped article comprising a composition comprising polyamide and ionomer wherein the ionomer comprises a mixture of Zn and alkali metal (M2) cations wherein the Zn/M2 equivalent ratio is from about 0.6 to about 6. The articles prepared from the compositions with mixed ion ionomers exhibit high stiffness, hardness and toughness, good scratch resistance, desirable low melt viscosity and high processability.
    Type: Application
    Filed: December 30, 2011
    Publication date: July 4, 2013
    Applicant: E.I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Richard T. Chou, Herbert Vernon Bendler, Karlheinz Hausmann
  • Patent number: 8399096
    Abstract: An ionomer composition comprises an ionomer that is the neutralized product of a precursor acid copolymer. The precursor acid copolymer comprises copolymerized units of an ?-olefin having 2 to 10 carbon atoms and about 20 to about 30 wt %, based on the total weight of the precursor acid copolymer, of copolymerized units of an ?,?-ethylenically unsaturated carboxylic acid having 3 to 8 carbon atoms; a melt flow rate of about 10 to about 4000 g/10 min; and, when neutralized to a level of about 40% to about 90% and when comprising counterions that consist essentially of sodium cations, the precursor acid copolymer produces a sodium ionomer that has a melt flow rate of about 0.7 to about 25 g/10 min and a freeze enthalpy that is not detectable or that is less than about 3.0 j/g. Further provided are articles comprising the ionomer composition.
    Type: Grant
    Filed: November 2, 2009
    Date of Patent: March 19, 2013
    Assignee: E I du Pont de Nemours and Company
    Inventors: Karlheinz Hausmann, Richard Allen Hayes, Steven C. Pesek, W Alexander Shaffer, Charles Anthony Smith
  • Patent number: 8399531
    Abstract: A foamable composition comprises at least about 50 wt % of a copolymer of ethylene and alkyl (meth)acrylate having a broad chemical composition distribution (CCD), and having a melt index between about 7 and about 30; about 2 to about 40 wt % of a polyolefin having a carboxylic acid or carboxylic acid anhydride functionality; about 1 to about 10 wt % of one or more foaming agents; and about 1 to about 5 wt % of one or more crosslinking agents. This foamable composition combines ease of processing with good foaming characteristics while avoiding unwanted characteristics, such as fogging.
    Type: Grant
    Filed: September 29, 2005
    Date of Patent: March 19, 2013
    Assignees: C H Erbsloh KG, E I du Pont de Nemours and Company
    Inventors: Karlheinz Hausmann, Yefim Brun, Joerg Wallach