Patents by Inventor Haika Johanna Hildebrandt

Haika Johanna Hildebrandt 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).

  • Polyolefin composition with improved resistance to ESCR
    Patent number: 11560467
    Abstract: Polyolefin composition comprising high density polyethylene, polyolefin elastomer and polypropylene, wherein the polypropylene is selected from homopolymer PP or impact PP and wherein the amount of high density polyethylene is more than 40% by weight of the total amount of high density polyethylene, polyolefin elastomer and impact or homopolymer polypropylene and wherein the total amount of high density polyethylene, polyolefin elastomer and polypropylene is 100% by weight and wherein the high density polyethylene has a density in the range from 940 to 960 kg/m3.
    Type: Grant
    Filed: January 21, 2019
    Date of Patent: January 24, 2023
    Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Renate Francisca Tandler, Antonius Sevriens, Johannes Petrus Joseph Gerardus Sthijns, Philippe Arthur Rasquin, Deliani Lovera, Haika Johanna Hildebrandt
  • Polyethylene composition
    Patent number: 11365307
    Abstract: The invention relates a polymer composition comprising polyethylene and a stabiliser package comprising: a) a phenolic stabiliser or mixtures thereof, b) an organic phosphite and/or phosphonite or mixtures thereof, c) zinc sulphide, and d) an acid scavenger. The polymer composition can be applied in the production of articles which are used in applications where a high temperature resistance is needed.
    Type: Grant
    Filed: July 3, 2018
    Date of Patent: June 21, 2022
    Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Haika Johanna Hildebrandt, Sarah Van Mierloo, Rainer Heinrich Kloth
  • POLYETHYLENE COMPOSITION
    Publication number: 20210155783
    Abstract: The invention is related to a polyethylene composition comprising an ethylene polymer having a density in the range from ?950 kg/m3 to ?958 kg/m3, determined according to ISO 1183-1:2004, a melt flow rate MFR 5 (190° C., 5 kg) in the range from ?0.16 g/10 min to ?0.26 g/10 min, determined according to ISO 1133:1997, a melt flow ratio FRR (190° C., 21.6/5 kg) in the range from ?22 to ?40, a complex viscosity at 100 rad/s and 190° C. (eta100) of at least 2500 Pa·s and a complex viscosity at 0.01 rad/s and 190° C. (eta0.01) of at least 250000 Pa·s.
    Type: Application
    Filed: March 27, 2019
    Publication date: May 27, 2021
    Inventors: Haika Johanna HILDEBRANDT, Eric Johannes Cornelia JANSSEN
  • Polymer composition for caps and closures
    Patent number: 10889708
    Abstract: Caps and closures comprising high density polyethylene, polyolefin elastomer and polypropylene wherein the amount of high density polyethylene is more than 50% by weight of the total amount of high density polyethylene, polyolefin elastomer and polypropylene and wherein the total amount of high density polyethylene, polyolefin elastomer and polypropylene is 100% by weight.
    Type: Grant
    Filed: August 10, 2017
    Date of Patent: January 12, 2021
    Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Renate Francisca Tandler, Antonius Sevriens, Haika Johanna Hildebrandt, Johannes Petrus Joseph Gerardus Sthijns, Philippe Rasquin, Deliani Lovera
  • POLYOLEFIN COMPOSITION WITH IMPROVED RESISTANCE TO ESCR
    Publication number: 20200339791
    Abstract: Polyolefin composition comprising high density polyethylene, polyolefin elastomer and polypropylene, wherein the polypropylene is selected from homopolymer PP or impact PP and wherein the amount of high density polyethylene is more than 40% by weight of the total amount of high density polyethylene, polyolefin elastomer and impact or homopolymer polypropylene and wherein the total amount of high density polyethylene, polyolefin elastomer and polypropylene is 100% by weight and wherein the high density polyethylene has a density in the range from 940 to 960 kg/m3.
    Type: Application
    Filed: January 21, 2019
    Publication date: October 29, 2020
    Inventors: Renate Francisca TANDLER, Antonius SEVRIENS, Johannes Petrus Joseph Gerardus STHIJNS, Philippe RASQUIN, Deliani LOVERA, Haika Johanna HILDEBRANDT
  • POLYETHYLENE COMPOSITION
    Publication number: 20200172708
    Abstract: The invention relates a polymer composition comprising polyethylene and a stabiliser package comprising: a) a phenolic stabiliser or mixtures thereof, b) an organic phosphite and/or phosphonite or mixtures thereof, c) zinc sulphide, and d) an acid scavenger. The polymer composition can be applied in the production of articles which are used in applications where a high temperature resistance is needed.
    Type: Application
    Filed: July 3, 2018
    Publication date: June 4, 2020
    Inventors: Haika Johanna Hildebrandt, Sarah Van Mierloo, Rainer Heinrich Kloth
  • POLYMER COMPOSITION FOR CAPS AND CLOSURES
    Publication number: 20190161604
    Abstract: Caps and closures comprising high density polyethylene, polyolefin elastomer and polypropylene wherein the amount of high density polyethylene is more than 50% by weight of the total amount of high density polyethylene, polyolefm elastomer and polypropylene and wherein the total amount of high density polyethylene, polyolefin elastomer and polypropylene is 100% by weight.
    Type: Application
    Filed: August 10, 2017
    Publication date: May 30, 2019
    Inventors: Renate Francisca Tandler, Antonius Sevriens, Haika Johanna Hildebrandt, Johannes Petrus Joseph Gerardus Sthijns, Philippe Rasquin, Deliani Lovera