Patents by Inventor Heinz ENGELHARD

Heinz ENGELHARD 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: 9951253
    Abstract: Multilayer film with high tear propagation resistance of at least 300 mN for a total layer thickness of 45 ?m, a shrinkage of ?1% at 120° C. and release properties, comprising a layer (a) formed of at least one propylene copolymer and optionally at least one olefin homopolymer, at least one internal layer (b) formed of at least one olefin/alkyl (meth)acrylate copolymer, a layer (c) formed of at least one propylene copolymer and optionally at least one olefin homopolymer with optional adhesion layers (d) and (e) arranged between layers (a) and (b), and between layers (b) and (c) respectively.
    Type: Grant
    Filed: July 6, 2012
    Date of Patent: April 24, 2018
    Assignee: INFIANA GERMANY GMBH & CO., KG
    Inventor: Heinz Engelhard
  • Patent number: 9902877
    Abstract: Separating film, comprising at least one layer(s) having a foamed structure of at least one thermoplastic polymer, at least one of the surfaces of the separating film being provided with a release layer (b) of at least one cured polysiloxane as an outer layer, the use thereof as a detachable protective and covering film, and roofing membrane provided with the separating film as a detachable protective and covering film.
    Type: Grant
    Filed: April 27, 2012
    Date of Patent: February 27, 2018
    Assignee: INFIANA GERMANY GMBH & CO., KG
    Inventors: Heinz Engelhard, Michael Fürst, Jürgen Panhans, Matthias Mauser
  • Patent number: 9752325
    Abstract: A multi-layer film comprising a layer (a) and a layer (c), each layer comprising at least one propylene copolymer in a quantity of at least 30% by weight and at least one propylene homopolymer in a quantity of at least 20% by weight, in each case relative to the total quantity of the layer (a) or (c), at least one inner layer (b) based on at least one homo- and/or co-polyamide having isophorondiamine units as polyamide components, and further comprising adhesion promoter layers (d) and (e) arranged between the layers (a) and (b) and between the layers (b) and (c), respectively, each adhesion promoting layer being based on at least one modified thermoplastic olefin homopolymer or olefin copolymer; a sealing sheet comprising such a multi-layer film, and the use of such a multi-layer film for covering roofs.
    Type: Grant
    Filed: June 8, 2012
    Date of Patent: September 5, 2017
    Assignee: Infiana Germany GmbH & Co. KG
    Inventor: Heinz Engelhard
  • Patent number: 9623630
    Abstract: Release film having at least one layer based on at least one thermoplastic polymer as matrix polymer, in which solid microparticles having a melting point which is at least 10° C. higher than that of the matrix polymer are dispersed therein and surfaces of which at least one is provided with a release layer as outer layer based on at least one cured polysiloxane.
    Type: Grant
    Filed: February 6, 2012
    Date of Patent: April 18, 2017
    Assignee: INFIANA GERMANY GMBH & CO., KG
    Inventor: Heinz Engelhard
  • Publication number: 20140154448
    Abstract: Multilayer film with high tear propagation resistance of at least 300 mN for a total layer thickness of 45 ?m, a shrinkage of ?1% at 120° C. and release properties, comprising a layer (a) formed of at least one propylene copolymer and optionally at least one olefin homopolymer, at least one internal layer (b) formed of at least one olefin/alkyl (meth)acrylate copolymer, a layer (c) formed of at least one propylene copolymer and optionally at least one olefin homopolymer with optional adhesion layers (d) and (e) arranged between layers (a) and (b), and between layers (b) and (c) respectively.
    Type: Application
    Filed: July 6, 2012
    Publication date: June 5, 2014
    Applicant: Huhtamaki Films Germany GmbH & Co. KG
    Inventor: Heinz Engelhard
  • Publication number: 20140087174
    Abstract: At least one embodiment provides a multilayered foil (100) having a first outer layer (10) and a second outer layer (30), which each comprise homo polypropylene. A central layer (20) is disposed between the first outer layer (10) and the second outer layer (30) and contains more than 25 wt % of homo polyamide and comprises copolyamide. The first outer layer (10) comprises microspheres (50).
    Type: Application
    Filed: September 20, 2013
    Publication date: March 27, 2014
    Applicant: Huhtamaki Films Germany GmbH & Co. KG
    Inventors: Matthias MAUSER, Heinz ENGELHARD, Michael FURST, Peter WIELAND
  • Publication number: 20130316113
    Abstract: Release film having at least one layer based on at least one thermoplastic polymer as matrix polymer, in which solid microparticles having a melting point which is at least 10° C. higher than that of the matrix polymer are dispersed therein and surfaces of which at least one is provided with a release layer as outer layer based on at least one cured polysiloxane.
    Type: Application
    Filed: February 6, 2012
    Publication date: November 28, 2013
    Applicant: Huhtamaki Films Germany GMBH & Co. KG
    Inventor: Heinz Engelhard
  • Publication number: 20120258272
    Abstract: Separating film, comprising at least one layer(s) having a foamed structure of at least one thermoplastic polymer, at least one of the surfaces of the separating film being provided with a release layer (b) of at least one cured polysiloxane as an outer layer, the use thereof as a detachable protective and covering film, and roofing membrane provided with the separating film as a detachable protective and covering film.
    Type: Application
    Filed: April 27, 2012
    Publication date: October 11, 2012
    Applicant: HUHTAMAKI FORCHHEIM, ZWEIGNIEDERLASSUNG DER HUHTAMAKI DEUTSCHLAND GMBH & CO
    Inventors: Heinz ENGELHARD, Michael Fürst, Jürgen Panhans, Matthias Mauser
  • Publication number: 20120240511
    Abstract: A multi-layer film comprising a layer (a) and a layer (c), each layer comprising at least one propylene copolymer in a quantity of at least 30% by weight and at least one propylene homopolymer in a quantity of at least 20% by weight, in each case relative to the total quantity of the layer (a) or (c), at least one inner layer (b) based on at least one homo- and/or co-polyamide having isophorondiamine units as polyamide components, and further comprising adhesion promoter layers (d) and (e) arranged between the layers (a) and (b) and between the layers (b) and (c), respectively, each adhesion promoting layer being based on at least one modified thermoplastic olefin homopolymer or olefin copolymer; a sealing sheet comprising such a multi-layer film, and the use of such a multi-layer film for covering roofs.
    Type: Application
    Filed: June 8, 2012
    Publication date: September 27, 2012
    Applicant: Huhtamaki Forchheim Zweigniederlassung der Huhtamaki Deutschland GmbH & Co. KG
    Inventor: Heinz ENGELHARD