Patents by Inventor Elisabeth Potter

Elisabeth Potter 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: 20200207964
    Abstract: The invention relates to a process for producing a polypropylene composition by sequential polymerization the polypropylene composition having an improved balanced combination of high flowability, high stiffness and impact, and high level of optical properties.
    Type: Application
    Filed: June 27, 2018
    Publication date: July 2, 2020
    Inventors: Jingbo WANG, Markus GAHLEITNER, Elisabeth POTTER, Jani AHO, Klaus BERNREITNER, Luc MONNISSEN, Meta CIGON
  • Publication number: 20200207963
    Abstract: The invention relates to a process for producing a polypropylene composition by sequential polymerization the polypropylene composition having an improved balanced combination of high flowability, high stiffness and impact, and high level of optical properties.
    Type: Application
    Filed: June 27, 2018
    Publication date: July 2, 2020
    Inventors: Jingbo WANG, Markus GAHLEITNER, Elisabeth POTTER, Jani AHO, Klaus BERNREITNER, Luc MONNISSEN, Meta CIGON
  • Publication number: 20200181379
    Abstract: The present invention is directed to a new heterophasic polypropylene composition showing a good balance between stiffness and impact at low haze, as well as to its use for injection molded articles. The present invention is also directed to provide such heterophasic polypropylene composition in a more simplified mode of production.
    Type: Application
    Filed: October 24, 2017
    Publication date: June 11, 2020
    Applicant: Borealis AG
    Inventors: Markus GAHLEITNER, Jingbo WANG, Elisabeth POTTER
  • Publication number: 20200109272
    Abstract: A propylene butylene polymer composition comprising A) a propylene butylene copolymer or a propylene butylene ethylene terpolymer which is—free of phthalic acid esters as well as decomposition products thereof; —obtained by a Ziegler-Natta catalyst and B) a mixture of at least one particulate and at least one soluble nucleating agent, whereby the propylene butylene polymer composition has—a MFR (2.16 kg/210° C.) in the range of 12 to 50 g/10 min—a tensile modulus (measured on injection moulded test specimens in accordance with ISO 527) of more than 1200 MPa—a Tm of more than 150° C.—an amount of xylene cold soluble (XCS) fraction of less than 7.0 wt.-% and whereby the propylene butylene copolymer includes monomer units derived from a) propylene in an amount of 91-96 wt.-% b) butylene in an amount of 4-9 wt.-% with respect to the total weight of the propylene butylene copolymer. or wherein the propylene butylene ethylene terpolymer includes monomer units derived from a) propylene in an amount of 90-96 wt.
    Type: Application
    Filed: March 29, 2018
    Publication date: April 9, 2020
    Inventors: Jingbo Wang, Petar Emilov Doshev, Markus Gahleitner, Cornelia Anita Tranninger, Elisabeth Potter, Johanna Lilja
  • Publication number: 20190276571
    Abstract: The present invention relates to nucleated propylene-butylene copolymers comprising propylene and butylene monomer units, wherein the nucleated propylene-butylene copolymer has improved stiffness, better impact behaviour and optical properties such as low haze and improved optomechanical ability.
    Type: Application
    Filed: June 12, 2017
    Publication date: September 12, 2019
    Inventors: Jingbo Wang, Wilfried Töltsch, Elisabeth Potter, Markus Gahleitner
  • Publication number: 20190263948
    Abstract: The present invention relates to nucleated propylene-ethylene-butylene-terpolymers comprising propylene, butylene, and ethylene, having improved stiffness, better impact behaviour and improved optical properties such as low haze, and low amounts of soluble or extractable fractions.
    Type: Application
    Filed: June 12, 2017
    Publication date: August 29, 2019
    Inventors: Jingbo Wang, Markus Gahleitner, Elisabeth Potter
  • Patent number: 9416262
    Abstract: Heterophasic propylene copolymer comprising —a matrix (M) being a polypropylene, said polypropylene comprises at least three polypropylene fractions, the three polypropylene fractions differ from each other by the melt flow rate MFR2 (230° C.) and at least one of the three polypropylene fractions has a melt flow rate MFR2 (230° C.) in the range of 1.0 to 15.0 g/10 min, and —an elastomeric propylene copolymer dispersed in said matrix, wherein —the heterophasic propylene copolymer has a melt flow rate MFR2 (230° C.) of equal or more than 20.0 g/10 min, and —the amorphous phase of the xylene cold soluble fraction of the heterophasic propylene copolymer has an intrinsic viscosity of equal or higher than 2.0 dl/g.
    Type: Grant
    Filed: August 1, 2011
    Date of Patent: August 16, 2016
    Assignee: BOREALIS AG
    Inventors: Cornelia Kock, Petar Doshev, Elisabeth Potter, Guenter Gsellmann, Pauli Leskinen
  • Patent number: 8822021
    Abstract: Process for the production of polypropylene random copolymers containing 2.5 to 5.0 wt % of ethylene as comonomer and having an MFR2 in accordance with ISO 1 133 (230° C., 2.16 kg load) of ?25 g/10 min to 100 g/10 min and a hexane-solubles content, determined according to FDA CFR 21 §177.
    Type: Grant
    Filed: March 1, 2010
    Date of Patent: September 2, 2014
    Assignee: Borealis AG
    Inventors: Christelle Grein, Klaus Bernreitner, Mari Kylmälä, Balakantha rao Kona, Elisabeth Potter
  • Publication number: 20130178586
    Abstract: Heterophasic propylene copolymer comprising a matrix (M) being a polypropylene, said polypropylene comprises at least three polypropylene fractions, the three polypropylene fractions differ from each other by the melt flow rate MFR2 (230° C.) and at least one of the three polypropylene fractions has a melt flow rate MFR2 (230° C.) in the range of 1.0 to 15.0 g/10 min, and an elastomeric propylene copolymer dispersed in said matrix, wherein the heterophasic propylene copolymer has a melt flow rate MFR2 (230° C.) of equal or more than 20.0 g/10 min, and the amorphous phase of the xylene cold soluble fraction of the heterophasic propylene copolymer has an intrinsic viscosity of equal or higher than 2.0 dl/g.
    Type: Application
    Filed: August 1, 2011
    Publication date: July 11, 2013
    Applicant: Borealis AG
    Inventors: Cornelia Kock, Petar Doshev, Elisabeth Potter, Guenter Gsellmann, Pauli Leskinen
  • Publication number: 20120088086
    Abstract: Process for the production of polypropylene random copolymers containing 2.5 to 5.0 wt % of ethylene as comonomer and having an MFR2 in accordance with ISO 1 133 (230° C., 2.16 kg load) of ?25 g/10 min to 100 g/10 min and a hexane-solubles content, determined according to FDA CFR 21 §177.
    Type: Application
    Filed: March 1, 2010
    Publication date: April 12, 2012
    Applicant: Bore-Alis AG
    Inventors: Christelle Grein, Klaus Bernreitner, Mari Kylmälä, Balakantha rao Kona, Elisabeth Potter