Patents by Inventor Cornelia Tranninger

Cornelia Tranninger 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: 11952482
    Abstract: A heterophasic polypropylene composition (C) comprising: a. 60.0 to 85.0 wt.-% of a first heterophasic propylene ethylene copolymer (HECO1), having: i. 75.0 to 92.0 wt.-% of a CRYSTEX QC crystalline fraction (CF); ii. 8.0 to 25.0 wt.-% of a CRYSTEX QC soluble fraction (SF); iii. an IV(SF) of 2.00 to 4.00 dl/g; b. 5.0 to 20.0 wt.-% of a second heterophasic propylene ethylene copolymer (HECO2), having i. 15.0 to 30.0 wt.-% of a CRYSTEX QC soluble fraction (SF); ii. an IV(SF) of 2.5 to 5.0 dl/g; and c. 5.0 to 20.0 wt.-% of a polymer of ethylene (PE), being selected from an ethylene-based plastomer and an LDPE, having a density in the range from 895 to 925 kg/m3; wherein the heterophasic polypropylene composition (C) has an MFR2 in the range from 15.0 to 40.0 g/10 min, and 5.0 to 23.0 wt.-% of a CRYSTEX QC soluble fraction (SF).
    Type: Grant
    Filed: July 8, 2021
    Date of Patent: April 9, 2024
    Assignee: BOREALIS AG
    Inventors: Cornelia Tranninger, Daniela Mileva, Georg Grestenberger
  • Publication number: 20230257570
    Abstract: A heterophasic polypropylene composition (C) comprising: a. 60.0 to 85.0 wt.-% of a first heterophasic propylene ethylene copolymer (HECO1), having: i. 75.0 to 92.0 wt.-% of a CRYSTEX QC crystalline fraction (CF); ii. 8.0 to 25.0 wt.-% of a CRYSTEX QC soluble fraction (SF); iii. an IV(SF) of 2.00 to 4.00 dl/g; b. 5.0 to 20.0 wt.-% of a second heterophasic propylene ethylene copolymer (HECO2), having i. 15.0 to 30.0 wt.-% of a CRYSTEX QC soluble fraction (SF); ii. an IV(SF) of 2.5 to 5.0 dl/g; and c. 5.0 to 20.0 wt.-% of a polymer of ethylene (PE), being selected from an ethylene-based plastomer and an LDPE, having a density in the range from 895 to 925 kg/m3; wherein the heterophasic polypropylene composition (C) has an MFR2 in the range from 15.0 to 40.0 g/10 min, and 5.0 to 23.0 wt.-% of a CRYSTEX QC soluble fraction (SF).
    Type: Application
    Filed: July 8, 2021
    Publication date: August 17, 2023
    Inventors: Cornelia Tranninger, Daniela Mileva, Georg Grestenberger
  • Patent number: 11680118
    Abstract: New C2C3 random copolymer composition, which shows improved sealing behaviour due to low sealing initiation temperature (SIT) and high hot tack force. In addition, the inventive composition shows an excellent sterilization behaviour, i.e. retention of low haze level after sterilization. The present invention is furthermore related to the manufacture of said copolymer composition and to its use.
    Type: Grant
    Filed: June 25, 2019
    Date of Patent: June 20, 2023
    Assignee: Borealis AG
    Inventors: Jingbo Wang, Markus Gahleitner, Klaus Bernreitner, Pauli Leskinen, Cornelia Tranninger
  • Patent number: 11485845
    Abstract: New C2C3 random copolymers, which combine low sealing initiation temperature (SIT), high hot-tack, low C6-solubles, good optical properties and an improved stiffness/impact balance, which are particularly suited for preparing blown films. The present invention is furthermore related to the manufacture of said copolymers and to their use, as well as to the blown films comprising such C2C3 random copolymers.
    Type: Grant
    Filed: May 20, 2020
    Date of Patent: November 1, 2022
    Assignee: Borealis AG
    Inventors: Jingbo Wang, Markus Gahleitner, Klaus Bernreitner, Pauli Leskinen, Cornelia Tranninger
  • Publication number: 20220227901
    Abstract: New C2C3 random copolymer (RACO), which shows improved sealing behaviour due to low sealing initiation temperature (SIT) and high hot tack force. In addition, the inventive C2C3 random copolymer (RACO) shows an excellent sterilization behaviour, i.e. retention of low haze level after sterilization. The present invention is furthermore related to the manufacture of said C2C3 random copolymer (RACO) and to its use.
    Type: Application
    Filed: May 20, 2020
    Publication date: July 21, 2022
    Inventors: Jingbo Wang, Markus Gahleitner, Klaus Bernreitner, Pauli Leskinen, Cornelia Tranninger
  • Publication number: 20220145058
    Abstract: New C2C3 random copolymers, which combine low sealing initiation temperature (SIT), high hot-tack, low C6-solubles, good optical properties and an improved stiffness/impact balance, which are particularly suited for preparing blown films. The present invention is furthermore related to the manufacture of said copolymers and to their use, as well as to the blown films comprising such C2C3 random copolymers.
    Type: Application
    Filed: May 20, 2020
    Publication date: May 12, 2022
    Inventors: Jingbo Wang, Markus Gahleitner, Klaus Bernreitner, Pauli Leskinen, Cornelia Tranninger
  • Patent number: 11230638
    Abstract: The present invention is directed to a heterophasic polypropylene composition of high transparency based on excellent compatibility of the propylene 1-hexene random copolymer used as matrix with different types of external modifiers dispersed within the matrix. The present invention is further directed to a process for producing such a polypropylene composition and to a film, in particular a cast film, obtained from such a polypropylene composition. The polypropylene composition comprising a blend of a propylene copolymer comprising 2.5 to 12.0 wt % of 1-hexene as a comonomer, and having a melt flow rate MFR2 of 0.1 to 100 g/10 min, and an ethylene homo- or copolymer having a melt flow rate MFR2 of 0.05 to 30.0 g/10 min and a density of 850 to 920 kg/m3, wherein the melt flow rate MFR2 of the polypropylene composition is from 1.0 to 12.0 g/10 min.
    Type: Grant
    Filed: May 7, 2019
    Date of Patent: January 25, 2022
    Assignee: BOREALIS AG
    Inventors: Markus Gahleitner, Jingbo Wang, Klaus Bernreitner, Pauli Leskinen, Cornelia Tranninger
  • Patent number: 11203683
    Abstract: The present invention relates to a polyolefin composition, the use of the polyolefin composition in a compound with one or more virgin polymers for automotive articles or applications, pipes or profiles for construction applications, the use of a heterophasic polypropylene (HECO) as compatibilizer for polyolefin blends A) between a copolymer of ethylene and one or more C4 to C19 alpha olefin B) and a reinforcing mineral filler D) as well as a process for producing the polyolefin composition.
    Type: Grant
    Filed: May 2, 2018
    Date of Patent: December 21, 2021
    Assignee: BOREALIS AG
    Inventors: Susanne Kahlen, Markus Gahleitner, Cornelia Tranninger, Bhawna Kulshreshtha
  • Publication number: 20210246290
    Abstract: The present invention is directed to a heterophasic polypropylene composition of high transparency based on excellent compatibility of the propylene 1-hexene random copolymer used as matrix with different types of external modifiers dispersed within the matrix. The present invention is further directed to a process for producing such a polypropylene composition and to a film, in particular a cast film, obtained from such a polypropylene composition. The polypropylene composition comprising a blend of a propylene copolymer comprising 2.5 to 12.0 wt % of 1-hexene as a comonomer, and having a melt flow rate MFR2 of 0.1 to 100 g/10 min, and an ethylene homo- or copolymer having a melt flow rate MFR2 of 0.05 to 30.0 g/10 min and a density of 850 to 920 kg/m3, wherein the melt flow rate MFR2 of the polypropylene composition is from 1.0 to 12.0 g/10 min.
    Type: Application
    Filed: May 7, 2019
    Publication date: August 12, 2021
    Inventors: Markus Gahleitner, Jingbo Wang, Klaus Bernreitner, Pauli Leskinen, Cornelia Tranninger
  • Publication number: 20210214478
    Abstract: New C2C3 random copolymer composition, which shows improved sealing behaviour due to low sealing initiation temperature (SIT) and high hot tack force. In addition, the inventive composition shows an excellent sterilization behaviour, i.e. retention of low haze level after sterilization. The present invention is furthermore related to the manufacture of said copolymer composition and to its use.
    Type: Application
    Filed: June 25, 2019
    Publication date: July 15, 2021
    Inventors: Jingbo Wang, Markus Gahleitner, Klaus Bernreitner, Pauli Leskinen, Cornelia Tranninger
  • Patent number: 10907036
    Abstract: The present invention provides a soft multimodal random heterophasic polypropylene composition (m-Raheco) with improved stiffness and impact behaviour while maintaining optical properties. The multimodal random heterophasic polypropylene composition (m-Raheco) is suitable as material for injection moulding, e.g. for thin walled injection moulded articles. The present invention also describes specific propylene random copolymers as modifiers or compatibilizers in polyolefins and their according use.
    Type: Grant
    Filed: October 9, 2018
    Date of Patent: February 2, 2021
    Assignee: BOREALIS AG
    Inventors: Martina Sandholzer, Cornelia Tranninger, Jingbo Wang, Markus Gahleitner
  • Publication number: 20200385555
    Abstract: The present invention relates to a polyolefin composition, the use of the polyolefin composition in a compound with one or more virgin polymers for automotive articles or applications, pipes or profiles for construction applications, the use of a heterophasic polypropylene (HECO) as compatibilizer for polyolefin blends A) between a copolymer of ethylene and one or more C4 to C19 alpha olefin B) and a reinforcing mineral filler D) as well as a process for producing the polyolefin composition.
    Type: Application
    Filed: May 2, 2018
    Publication date: December 10, 2020
    Inventors: Susanne Kahlen, Markus Gahleitner, Cornelia Tranninger, Bhawna Kulshreshtha
  • Publication number: 20200140668
    Abstract: The present invention provides a soft multimodal random heterophasic polypropylene composition (m-Raheco) with improved stiffness and impact behaviour while maintaining optical properties. The multimodal random heterophasic polypropylene composition (m-Raheco) is suitable as material for injection moulding, e.g. for thin walled injection moulded articles. The present invention also describes specific propylene random copolymers as modifiers or compatibilizers in polyolefins and their according use.
    Type: Application
    Filed: October 9, 2018
    Publication date: May 7, 2020
    Inventors: Martina Sandholzer, Cornelia Tranninger, Jingbo Wang, Markus Gahleitner
  • Patent number: 10626199
    Abstract: Propylene is polymerised in the presence of a polymerisation catalyst comprising a solid catalyst component, an organoaluminium compound and an external electron donor, the process comprising the steps of (i) contacting propylene and hydrogen with the polymerisation catalyst in polymerisation conditions in a polymerisation reactor to produce a polymer of propylene; (ii) recovering the polymer of propylene from the polymerisation reactor; wherein the polymer of propylene has MFR of from more than 100 to 10000 g/10 min.
    Type: Grant
    Filed: December 21, 2015
    Date of Patent: April 21, 2020
    Assignee: BOREALIS AG
    Inventors: Pauli Leskinen, Johanna Lilja, Jingbo Wang, Markus Gahleitner, Thomas Horill, Peter Denifl, Cornelia Tranninger
  • Patent number: 10435551
    Abstract: Injection molded article comprising at least 60 wt.-% of a heterophasic propylene copolymer, said polymer comprises a matrix being a polypropylene, said polypropylene comprises at least three polypropylene fractions, the three polypropylene fractions differ from each other by the melt flow rate and at least one of the three polypropylene fractions has a melt flow rate in the range of 1.0 to 20.0 g/10 min, and an elastomeric propylene copolymer dispersed in said matrix, wherein said heterophasic propylene copolymer has a melt flow rate 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: January 31, 2013
    Date of Patent: October 8, 2019
    Assignee: Borealis AG
    Inventors: Cornelia Tranninger, Stefan Schiesser, Balakantha rao Kona, Andreas Hauer
  • Patent number: 10030109
    Abstract: Fiber reinforced composition comprising (a) a polypropylene random copolymer comprising ethylene and/or C4 to C8 a-olefin (PP-RACO), (b) glass fibers (GF), and (c) a polar modified polypropylene as adhesion promoter (AP), wherein (i) the polypropylene random copolymer comprising ethylene and/or C4 to C8 a-olefin (PP-RACO) heaving a melt flow rate MFR2 (230° C.) measured according to ISO 1133 of at least 2.5 g/10 min, (ii) the glass fibers (GF) are cut glass fibers and (iii) the polymer contained in the reinforced composition forms a continuous phase being the matrix of the fiber reinforced composition.
    Type: Grant
    Filed: February 6, 2015
    Date of Patent: July 24, 2018
    Assignee: Borealis AG
    Inventors: Luca Boragno, Cornelia Tranninger, Markus Gahleitner
  • Patent number: 9988523
    Abstract: Polypropylene composition which combines low sealing initiation temperature (SIT) and high melting point (Tm), furthermore showing a broad sealing window, low hexane solubles and good optical properties, like low haze.
    Type: Grant
    Filed: February 29, 2016
    Date of Patent: June 5, 2018
    Assignee: BOREALIS AG
    Inventors: Cornelia Tranninger, Kauno Alastalo, Johanna Lilja, Kristin Reichelt, Petar Doshev
  • Patent number: 9932468
    Abstract: C2C3 random copolymer composition with an improved balance between sealing initiation temperature (SIT) and melting point (Tm), i.e. low SIT and high melting point. In addition the inventive composition shows a broad sealing window, low hexane solubles and good optical properties, like low haze.
    Type: Grant
    Filed: February 29, 2016
    Date of Patent: April 3, 2018
    Assignee: BOREALIS AG
    Inventors: Cornelia Tranninger, Luigi Resconi, Karlheinz Friedrich
  • Patent number: 9890274
    Abstract: Heterophasic polypropylene composition with improved impact strength/stiffness balance and with high flowability, reduced emissions and low shrinkage, and its use.
    Type: Grant
    Filed: October 16, 2015
    Date of Patent: February 13, 2018
    Assignee: Borealis AG
    Inventors: Jingbo Wang, Pauli Leskinen, Thomas Horrill, Markus Gahleitner, Cornelia Tranninger, Karlheinz Friedrich, Pavel Shutov
  • Publication number: 20180030255
    Abstract: C2C3 random copolymer composition with an improved balance between sealing initiation temperature (SIT) and melting point (Tm), i.e. low SIT and high melting point. In addition the inventive composition shows a broad sealing window, low hexane solubles and good optical properties, like low haze.
    Type: Application
    Filed: February 29, 2016
    Publication date: February 1, 2018
    Inventors: Cornelia Tranninger, Luigi Resconi, Karlheinz Friedrich