Patents by Inventor Klaus Huenerfauth

Klaus Huenerfauth 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).

  • METHOD OF PRODUCING POLYMER FILMS WITH GAS-BARRIER PROPERTIES
    Publication number: 20190275560
    Abstract: There is provided a method of forming a metallized polymeric film comprising (1) coating a polymer film with an aqueous primer solution comprising a solution of at least one polyanion and at least one polyethyleneimine, wherein the polyanion is a polymer comprising at least partially neutralized acid groups having a weight average molecular weight of preferably at least 5000 g/mol prior to neutralization; and wherein said polyethyleneimine has a weight average molecular weight of preferably at least 25000 g/mol; and (2) depositing a metal or a metal oxide on the at least one coated side of the polymer film.
    Type: Application
    Filed: September 5, 2017
    Publication date: September 12, 2019
    Applicant: BASF SE
    Inventors: Ines PIETSCH, Peter PREISHUBER-PFLUEGL, Klaus HUENERFAUTH, Patrick BIPPUS, Theo SMIT
  • Use of aqueous polyanion-polyethyleneimine solutions for producing polymer films with oxygen-barrier properties
    Patent number: 9902872
    Abstract: The use of an aqueous Solution comprising at least one polyanion and at least one high molecular weight polyethyleneimine is described, for providing oxygen barrier properties to a polymer film. The polyanion is a polymer comprising acid groups neutralized with a base selected from the group consisting of inorganic bases and monovalent organic bases and having a weight average molecular weight of at least 10000 g/mol.
    Type: Grant
    Filed: May 27, 2013
    Date of Patent: February 27, 2018
    Assignee: BASF SE
    Inventors: Ines Pietsch, Axel Weiss, Peter Preishuber-Pfluegl, Patrick Bippus, Klaus Huenerfauth
  • USE OF AQUEOUS POLYANION-POLYETHYLENEIMINE SOLUTIONS FOR PRODUCING POLYMER FILMS WITH OXYGEN-BARRIER PROPERTIES
    Publication number: 20150086734
    Abstract: The use of an aqueous Solution comprising at least one polyanion and at least one high molecular weight polyethyleneimine is described, for providing oxygen barrier properties to a polymer film. The polyanion is a polymer comprising acid groups neutralized with a base selected from the group consisting of inorganic bases and monovalent organic bases and having a weight average molecular weight of at least 10000 g/mol.
    Type: Application
    Filed: May 27, 2013
    Publication date: March 26, 2015
    Applicant: BASF SE
    Inventors: Ines Pietsch, Axel Weiss, Peter Preishuber-Pfluegl, Patrick Bippus, Klaus Huenerfauth