Patents by Inventor Kurt Stubenrauch

Kurt Stubenrauch 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: 10767087
    Abstract: The present invention relates to an adhesive composition comprising a. a polyethylene resin (A) which has been grafted with an acid grafting agent and b. an epoxy resin (B) in an amount of 0.01 to 15 wt. % of the adhesive total composition, wherein the adhesive composition is having a MFR5 of 0.1 to 12 g/10 min. Furthermore, the invention relates to an article, in particular a multilayer pipe, comprising an adhesive layer which comprises said adhesive composition and the use of said adhesive composition for the production of an adhesive layer, in particular of an adhesive layer of a pipe.
    Type: Grant
    Filed: January 27, 2016
    Date of Patent: September 8, 2020
    Assignee: BOREALIS AG
    Inventors: Kurt Stubenrauch, Mark Jeruzal, Yi Liu
  • Publication number: 20180273741
    Abstract: The invention relates to a polypropylene composition comprising a component A being a propylene copolymer, a component B being a long-chain branched propylene homopolymer or copolymer suitable for pressure pipe applications.
    Type: Application
    Filed: September 28, 2016
    Publication date: September 27, 2018
    Inventors: Kurt Stubenrauch, Hermann Braun, Luca Boragno
  • Publication number: 20180010023
    Abstract: The present invention relates to an adhesive composition comprising a. a polyethylene resin (A) which has been grafted with an acid grafting agent and b. an epoxy resin (B) in an amount of 0.01 to 15 wt. % of the adhesive total composition, wherein the adhesive composition is having a MFR5 of 0.1 to 12 g/10 min. Furthermore, the invention relates to an article, in particular a multilayer pipe, comprising an adhesive layer which comprises said adhesive composition and the use of said adhesive composition for the production of an adhesive layer, in particular of an adhesive layer of a pipe.
    Type: Application
    Filed: January 27, 2016
    Publication date: January 11, 2018
    Inventors: Kurt Stubenrauch, Mark Jeruzal, Yi Liu
  • Patent number: 9527934
    Abstract: The present application relates to a polyethylene composition comprising a base resin being a copolymer of ethylene with at least one alpha olefin comonomer having from 3 to 12 carbon atoms, the base resin having a density of more than 940.0 kg/m3 and equal to or less than 952.5 kg/m3, determined according to ISO 1 183-1:2004, wherein the composition has a melt flow rate MFR5 (190° C., 5 kg) of 0.10 to 3.0 g/10 min, determined according to ISO 1 133, a storage modulus of G (2 kPa) of 600 Pa to 900 Pa, a shear thinning index SHI2.7/210 of 20 to 50 and the composition has an elongation at break (EB) at ?45° C. in dependence of the molar comonomer content (mol. CC) of the base resin following the following equation EB[%]>175[%/mol %]·mol. CC[mol %], whereby the elongation at break (EB) is determined according to ISO 527-1 at a temperature of ?45° C. and the molar co-monomer content (mol.
    Type: Grant
    Filed: September 24, 2014
    Date of Patent: December 27, 2016
    Assignee: Borealis AG
    Inventors: Andrey Buryak, Kurt Stubenrauch
  • Publication number: 20160122448
    Abstract: The present application relates to a polyethylene composition comprising a base resin being a copolymer of ethylene with at least one alpha olefin comonomer having from 3 to 12 carbon atoms, the base resin having a density of more than 940.0 kg/m3 and equal to or less than 952.5 kg/m3, determined according to ISO 1 183-1:2004, wherein the composition has a melt flow rate MFRS (190° C., 5 kg) of 0.10 to 3.0 g/10 min, determined according to ISO 1 133, a storage modulus of G? (2 kPa) of 600 Pa to 900 Pa, a shear thinning index SHI2.7/210 of 20 to 50 and the composition has an elongation at break (EB) at ?45° C. in dependence of the molar comonomer content (mol. CC) of the base resin following the following equation EB [%]?175 [%/mol %]·mol. CC [mol %], whereby the elongation at break (EB) is determined according to ISO 527-1 at a temperature of ?45° C. and the molar co-monomer content (mol.
    Type: Application
    Filed: September 24, 2014
    Publication date: May 5, 2016
    Applicant: Borealis AG
    Inventors: Andrey Buryak, Kurt Stubenrauch