Patents by Inventor Daniela Mileva

Daniela Mileva 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: 20210355307
    Abstract: The present invention relates to a polypropylene composition, an injection molded article comprising the polypropylene composition, a foamed article comprising the polypropylene composition as well as the use of said polypropylene composition for reducing the stiffness reduction factor of a foamed injection molded article by at least 200 as determined by the difference of the flexural modulus measured according to ISO 178 of the non-foamed and foamed injection molded article.
    Type: Application
    Filed: October 2, 2019
    Publication date: November 18, 2021
    Inventors: Daniela Mileva, Susanne Kahlen, Patrick Rover, Georg Grestenberger, Jingbo Wang, Klaus Bernreitner, Markus Gahleitner
  • Publication number: 20210340365
    Abstract: The present invention relates to a polypropylene composition, an injection molded article comprising the polypropylene composition, a foamed article comprising the polypropylene composition as well as the use of a polypropylene homopolymer (H-PP1) for reducing the 5stiffness reduction factor of a foamed injection molded article by at least 40 as determined by the difference of the flexural modulus measured according to ISO 178 of the non-foamed and foamed injection molded article and compared to an article comprising the same amount of a polypropylene which has been polymerized in the presence of a Ziegler-Natta catalyst.
    Type: Application
    Filed: October 2, 2019
    Publication date: November 4, 2021
    Inventors: Daniela MILEVA, Susanne KAHLEN, Patrick ROVER, Georg GRESTENBERGER, Jingbo WANG, Klaus BERNREITNER, Markus GAHLEITNER
  • Publication number: 20210324189
    Abstract: The present invention relates to silane crosslinking catalyst comprising: —75 to 85 wt.-% of an olefin acrylate interpolymer and—15 to 25 wt.-% of a hindered amine light stabilizer (HALS) having a number average molecular weight Mn of 1500 to 4000 g/mol; and—optionally up to 5 wt.-% wax, wherein the silane crosslinking catalyst is free of tin, carboxylic acid(s) and sulphonic acid(s), all weight percentages with respect to the total weight of the silane crosslinking catalyst.
    Type: Application
    Filed: September 26, 2019
    Publication date: October 21, 2021
    Applicant: BOREALIS AG
    Inventors: Oscar PRIETO, Jeroen ODERKERK, Jari-Jussi RUSKEENIEMI, Stefan HELLSTRÖM, Tanja PIEL, Daniela MILEVA
  • Patent number: 11111371
    Abstract: The present invention is directed to propylene composition applicable for high flow automotive exterior compounds with excellent surface appearance, said composition comprising a modified polypropylene composition and an inorganic filler.
    Type: Grant
    Filed: July 14, 2017
    Date of Patent: September 7, 2021
    Assignee: BOREALIS AG
    Inventors: Thomas Lummerstorfer, Daniela Mileva, Georg Grestenberger
  • Patent number: 11111369
    Abstract: The present invention is directed to a polypropylene composition (C) comprising a heterophasic propylene copolymer and an inorganic filler, the use of said polypropylene composition (C) for the production of a foamed article and a foamed article obtained from said polypropylene composition (C).
    Type: Grant
    Filed: November 28, 2017
    Date of Patent: September 7, 2021
    Assignee: BOREALIS AG
    Inventors: Susanne Kahlen, Daniela Mileva, Georg Grestenberger, Michael Tranninger, Michael Jerabek, Dieter Nicolussi, Anna Hartl
  • Publication number: 20210253838
    Abstract: The present invention relates to a polypropylene based composition comprising:(A) from 40.0 to 85.0 wt % of a heterophasic propylene copolymer having a content of xylene cold soluble (XCS) fraction in the range of 15 wt % to 35 wt %, based on the total weight of the heterophasic propylene copolymer;(B) from 5.0 to 15.0 wt % of a terpolymer of propylene with ethylene and 1-butene comonomer units having a melting temperature Tm as measured in differential scanning calorimetry (DSC) of less than 140° C.; (C) from 5.0 to 25.0 wt % of an ethylene copolymer with alpha-olefin comonomer units having from 4 to 12 carbon atoms with a density of from 850 kg/m3 to 900 kg/m3; and(D) from 5.0 to 25.0 wt % of an inorganic filler, wherein the amounts of components (A), (B), (C), and (D) are all based on the total weight amount of the polypropylene based composition, said polypropylene based composition having a melt flow rate (MFR2) as measured at 230° C. and 2.16 kg load in accordance with ISO 1133 in the range of 2.
    Type: Application
    Filed: August 23, 2019
    Publication date: August 19, 2021
    Inventors: Jingbo Wang, Friedrich Berger, Daniela Mileva, Georg Grestenberger, Markus Gahleitner
  • Publication number: 20210238376
    Abstract: The present invention is directed to a polypropylene composition (C) a melt flow rate MFR2 (230° C.) determined according to ISO 1133 in the range of 15 to 40 g/ 10 min, the use of said polypropylene composition (C) for the production of a foamed article and a foamed article comprising said polypropylene composition (C).
    Type: Application
    Filed: May 14, 2019
    Publication date: August 5, 2021
    Applicants: BOREALIS AG, ABU DHABI POLYMERS CO. LTD (BOROUGE) LLC.
    Inventors: Susanne KAHLEN, Daniela MILEVA, Georg GRESTENBERGER, Andreas FUCHS, Stefanie ENGLEDER, Jürgen HUBER, Shengquan ZHU
  • Publication number: 20210221990
    Abstract: The present invention is directed to a polypropylene composition (C) comprising a heterophasic propylene copolymer (HECO), comprising a matrix being a propylene polymer (PP1), an elastomeric propylene copolymer (EPR) being dispersed in said matrix and a nucleating agent (NU). The polypropylene composition (C) further comprises polymeric fibers (PE). The present invention is also directed to a foamed article comprising the polypropylene composition (C) and the use of polymeric fibers (PE) as an impact modifier for a heterophasic propylene copolymer (HECO).
    Type: Application
    Filed: July 30, 2019
    Publication date: July 22, 2021
    Inventors: Susanne Kahlen, Daniela Mileva, Georg Grestenberger, Michael Jerabek, Thomas Lummerstorfer
  • Patent number: 11053380
    Abstract: The present invention is directed to a heterophasic polypropylene composition (HECO1) and the use thereof to reduce the amount of flow marks of an injection moulded polyolefin composition. Further, the present invention is directed to a polyolefin composition (C) comprising a polyolefin (PO), said heterophasic polypropylene composition (HECO1) and optionally a filler as well as an article comprising said polyolefin composition (C).
    Type: Grant
    Filed: June 26, 2018
    Date of Patent: July 6, 2021
    Assignee: BOREALIS AG
    Inventors: Pavel Shutov, Susanne Kahlen, Daniela Mileva, Renate Eckmayr, Claudia Kniesel
  • Patent number: 11053379
    Abstract: A heterophasic propylene copolymer (HECO) comprising a polypropylene matrix having a melt flow rate MFR2 (230° C.) in the range of 45 to 75 g/10 min for the preparation of molde articles with low CLTE.
    Type: Grant
    Filed: January 27, 2017
    Date of Patent: July 6, 2021
    Assignee: BOREALIS AG
    Inventors: Georg Grestenberger, Daniela Mileva, Susanne Kahlen
  • Publication number: 20210179831
    Abstract: The present invention relates to a polypropylene based composition comprising: (A) from 40.0 to 85.0 wt % of a heterophasic propylene copolymer having a content of xylene cold soluble (XCS) fraction in the range of 15 wt % to 35 wt %, based on the total weight of the heterophasic propylene copolymer; (B) from 5.0 to 15.0 wt % of a random copolymer of propylene with comonomer units selected from ethylene and alpha-olefins having from 4 to 12 carbon atoms which has been polymerized in the presence of a single-site catalyst system and has a melting temperature Tm as measured in differential scanning calorimetry (DSC) of less than 140° C.; (C) from 5.0 to 25.0 wt % of an ethylene copolymer with alpha-olefin comonomer units having from 4 to 12 carbon atoms with a density of from 850 kg/m3 to 900 kg/m3; and (D) from 5.0 to 25.
    Type: Application
    Filed: August 23, 2019
    Publication date: June 17, 2021
    Inventors: Jingbo Wang, Klaus Bernreitner, Daniela Mileva, Georg Grestenberger, Markus Gahleitner
  • Publication number: 20210139683
    Abstract: The present invention is directed to a heterophasic polypropylene composition (HECO1) and the use thereof to reduce the amount of flow marks of an injection moulded polyolefin composition. Further, the present invention is directed to a polyolefinn composition (C) comprising a polyolefin (PO), said heterophasic polypropylene composition (HECOl) and optionally a filler as well as an article comprising said polyolefin composition (C).
    Type: Application
    Filed: June 26, 2018
    Publication date: May 13, 2021
    Inventors: Pavel Shutov, Susanne Kahlen, Daniela Mileva, Renate Eckmayr, Claudia Kniesel
  • Patent number: 10995205
    Abstract: The application provides a bimodal polypropylene random copolymer with good response to nucleating agents, increased crystallization temperature, good mechanical and optical properties, as well as low amounts of extractables and good processability in the sense of high Melt Flow Rate. The present invention further relates to articles made thereof, and the use of the bimodal polypropylene random copolymer for specific applications. It also relates to a process for the preparation of said bimodal polypropylene random copolymer.
    Type: Grant
    Filed: April 9, 2019
    Date of Patent: May 4, 2021
    Assignee: BOREALIS AG
    Inventors: Markus Gahleitner, Jingbo Wang, Klaus Bernreitner, Daniela Mileva, Matthias Hoff, Pauli Leskinen
  • Patent number: 10941288
    Abstract: The present invention is directed to a stiff propylene composition with good dimensional stability and excellent surface appearance, said composition comprising a modified polypropylene composition and an inorganic filler.
    Type: Grant
    Filed: July 14, 2017
    Date of Patent: March 9, 2021
    Assignee: Borealis AG
    Inventors: Daniela Mileva, Georg Grestenberger, Thomas Lummerstorfer
  • Publication number: 20210061982
    Abstract: A heterophasic propylene copolymer (HECO) comprising a polypropylene matrix having a melt flow rate MFR2 (230° C.) in the range of 45 to 75 g/10 min for the preparation of molde articles with low CLTE.
    Type: Application
    Filed: January 27, 2017
    Publication date: March 4, 2021
    Inventors: Georg Grestenberger, Daniela Mileva, Susanne Kahlen
  • Patent number: 10920057
    Abstract: The present invention is directed to a polypropylene composition (C) comprising a heterophasic propylene copolymer and an inorganic filler, the use of said polypropylene composition (C) for the production of a foamed article and a foamed article obtained from said polypropylene composition (C).
    Type: Grant
    Filed: December 8, 2017
    Date of Patent: February 16, 2021
    Assignee: BOREALIS AG
    Inventors: Georg Grestenberger, Susanne Kahlen, Daniela Mileva, Wolfgang Stockreiter, Erwin Kastner, Jochen Kastl
  • Publication number: 20210017368
    Abstract: The application provides a bimodal polypropylene random copolymer with good response to nucleating agents, increased crystallization temperature, good mechanical and optical properties, as well as low amounts of extractables and good processability in the sense of high Melt Flow Rate. The present invention further relates to articles made thereof, and the use of the bimodal polypropylene random copolymer for specific applications. It also relates to a process for the preparation of said bimodal polypropylene random copolymer.
    Type: Application
    Filed: April 9, 2019
    Publication date: January 21, 2021
    Inventors: Markus Gahleitner, Jingbo Wang, Klaus Bernreitner, Daniela Mileva, Matthias Hoff, Pauli Leskinen
  • Publication number: 20200308324
    Abstract: The present invention provides a polyolefin composition, said composition comprising a terpolymer comprising a cross-linkable polyolefin comprising hydrolysable silane groups and a polar comonomer, the polyolefin composition further comprising a cross-linking catalyst and a silicon containing compound. The polar comonomer Is present in an amount of 5-35 wt %.
    Type: Application
    Filed: October 11, 2018
    Publication date: October 1, 2020
    Inventors: Jeroen Oderkerk, Jari-Jussi Ruskeeniemi, Oscar Prieto, Stefan Hellström, Tanja Piel, Daniela Mileva
  • Patent number: 10745548
    Abstract: The invention relates to a polypropylene composition (C) comprising: (i) 62 to 85 wt.-%, based on the total weight of the polypropylene composition (C), of a heterophasic propylene copolymer (HECO1) with a melt flow rate MFR2 (230° C.) measured according to ISO 1133 in the range of 6.0 to 50.0 g/10 min; (ii) 10 to 30 wt.-%, based on the total weight of the polypropylene composition (C), of a heterophasic propylene copolymer (HECO2) with a melt flow rate MFR2 (230° C.) measured according to ISO 1133 in the range of 0.1 to 5.5 g/10 min; (iii) 5 to 30 wt.
    Type: Grant
    Filed: December 14, 2017
    Date of Patent: August 18, 2020
    Assignee: BOREALIS AG
    Inventors: Claudia Kniesel, Pavel Shutov, Susanne Kahlen, Daniela Mileva, Floran Prades
  • Publication number: 20200207960
    Abstract: The present invention is directed to a polypropylene composition (C) comprising a heterophasic propylene copolymer (HECO1) having an intrinsic viscosity (IV) of the xylene soluble fraction (XCS) above 3.5 dl/g, an inorganic filler (F) and a nucleating agent (NU) being a dicarboxylic acid and/or a salt thereof. Further, the present invention is directed to the use of said polypropylene composition (C) for the production of a foamed article as well as a foamed article comprising said polypropylene composition (C). The present invention is also directed to the use of a nucleating agent (NU) being dicarboxylic acid and/or a salt thereof for the reduction of tigerskin of a polypropylene composition.
    Type: Application
    Filed: June 26, 2018
    Publication date: July 2, 2020
    Inventors: Daniela Mileva, Susanne Kahlen, Georg Grestenberger, Anton Sageder, Christof Wurnitsch, Anna Hartl, Patrick Rover, Erwin Pieklbauer