Patents by Inventor Markus Gahleitner

Markus Gahleitner 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: 11505686
    Abstract: New polypropylene composition which combines low sealing initiation temperature (SIT), high hot-tack and good mechanical properties, like high dart drop strength (DDI), and its use especially for film applications.
    Type: Grant
    Filed: January 2, 2019
    Date of Patent: November 22, 2022
    Assignee: BOREALIS AG
    Inventors: Markus Gahleitner, Jingbo Wang, Klaus Bernreitner, Peter Niedersuss, Friedrich Berger, Stefan Ortner
  • Publication number: 20220363880
    Abstract: The present invention relates to a polymer composition comprising at least the following components: A) 70.0 to 95.0 wt.-% based on the overall weight of the polymer composition of a C2C3 random copolymer; whereby said C2C3 random copolymer has a melting point in the range of 110 to 140° C. determined by differential scanning calorimetry according to ISO 11357-3; a MFR2 (230° C., 2.16 kg) determined according to ISO 1133 in the range of 0.5 to 4.0 g/10 min; and a total C2-content in the range of 1 to 10 wt.-% based on the overall weight of the C2C3 random copolymer; B) 5.0 to 30.0 wt.-% based on the overall weight of the polymer composition of a LDPE; whereby said LDPE has a density determined according to ISO 1183 in the range of 915 to 922 kg/m3; and a MFR2 (190° C., 2.16 kg) determined according to ISO 1133 in the range of 0.9 to 20.0 g/10 min; with the proviso that the weight proportions of components A) and B) add up to 100 wt.-%.
    Type: Application
    Filed: September 30, 2020
    Publication date: November 17, 2022
    Inventors: Jingbo WANG, Markus GAHLEITNER, Klaus BERNREITNER, Pauli LESKINEN
  • Publication number: 20220348750
    Abstract: The invention is directed to a beta nucleated heterophasic propylene copolymer composition (HPPC).
    Type: Application
    Filed: April 25, 2022
    Publication date: November 3, 2022
    Inventors: Jingbo Wang, Markus Gahleitner, Klaus Bernreitner, Matthias Hoff, Wilfried Töltsch
  • 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: 20220332931
    Abstract: The present invention relates to a heterophasic polypropylene composition with an improved property profile, e.g. improved balance of toughness, softness and haze, comprising a heterophasic propylene copolymer and a copolymer of propylene and 1-hexene.
    Type: Application
    Filed: September 18, 2020
    Publication date: October 20, 2022
    Inventors: Jingbo Wang, Markus Gahleitner, Klaus Bernreitner, Pauli Leskinen, Peter Niedersuess
  • Publication number: 20220325081
    Abstract: It is provided a polymer composition including at least the following components A) 70 to 97 wt.-% based on the overall weight of the polymer composition of a polymer blend, including a1) 50 to 95 wt.-% of polypropylene; a2) 5 to 50 wt.-% of polyethylene; B) 3 to 30 wt.-% based on the overall weight of the polymer composition of a copolymer of propylene and 1-hexene, including b1) 30 to 70 wt.-% of a first random copolymer of propylene and 1-hexene; and b2) 30 to 70 wt.-% of a second random copolymer of propylene and 1-hexene having a higher 1-hexene content than the first random propylene copolymer b1); with the provisos that the weight proportions of components a1) and a2) add up to 100 wt.-%; the weight proportions of components b1) and b2) add up to 100 wt.-%; component A) has a MFR2 (230° C., 2.16 kg) determined according to ISO 1133 in the range from 1.0 to 50.0 g/10 min; component B) has a 1-hexene content in the range of 2.0 to 8.0 wt.
    Type: Application
    Filed: April 28, 2020
    Publication date: October 13, 2022
    Inventors: Jingbo Wang, Markus Gahleitner, Klaus Bernreitner, Hermann Braun
  • Patent number: 11466148
    Abstract: The present invention is directed to a polyolefin composition (C) containing a heterophasic propylene copolymer (TERHECO) and a styrenic thermoplastic (sTPE), wherein the heterophasic propylene copolymer (TERHECO) consists of units derived from propylene, ethylene and 1-hexene. Further the present invention is directed to articles made from the polyolefin composition (C) as well as to the production of sterilized articles.
    Type: Grant
    Filed: April 28, 2020
    Date of Patent: October 11, 2022
    Assignee: Borealis AG
    Inventors: Jingbo Wang, Markus Gahleitner, Klaus Bernreitner, Pauli Leskinen
  • Publication number: 20220297411
    Abstract: Multilayer film of at least three layers, one core layer and at least one sealing layer wherein the sealing layer comprises a linear low density polyethylene having a density in the range of 0.915 to 0.925 g/cm3, and the core layer comprises a propylene 1-hexene copolymer, said copolymer has an 1-hexene content in the range of 2.0 to 5.0 wt.-% and a xylene soluble fraction in the range of 0.3 to 15.0 wt.-%.
    Type: Application
    Filed: June 6, 2022
    Publication date: September 22, 2022
    Inventors: Jingbo WANG, Markus GAHLEITNER, Klaus BERNREITNER, Pauli LESKINEN, Peter NIEDERSUSS
  • Patent number: 11447623
    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: Grant
    Filed: June 27, 2018
    Date of Patent: September 20, 2022
    Assignee: Borealis AG
    Inventors: Jingbo Wang, Markus Gahleitner, Elisabeth Potter, Jani Aho, Klaus Bernreitner, Luc Monnissen, Meta Cigon
  • Patent number: 11440300
    Abstract: Multilayer film comprising at least a skin layer, a core layer and an inner layer, the skin layer comprising a homo polypropylene or a random propylene ethylene copolymer including up to 2.5 wt.-% units derived from ethylene, the homopolypropylene or the random propylene ethylene copolymer having a MFR2 (ISO1 133, 230° C.) of 2.0 to 20 g/10 min and a melting temperature (Tm) of above 148° C. measured by DSC according to ISO 11357-3:1999 and a scan rate of 10° C./min; the core layer comprising a mixture obtainable by melt blending 20 to 100 wt.-% of a random heterophasic copolymer and 0 to 80 wt.-% of styrene based TPE, whereby the random heterophasic copolymer has a melting temperature (Tm) of 134° C.-148° C. measured by DSC according to ISO 11357-3:1999 and a scan rate of 10° C./min and includes a propylene ethylene copolymer rubber; and whereby the styrene based TPE has a styrene content of from 5 to 20 wt.
    Type: Grant
    Filed: July 22, 2019
    Date of Patent: September 13, 2022
    Assignee: BOREALIS AG
    Inventors: Markus Gahleitner, Jingbo Wang, Friedrich Berger, Manfred Gruenberger
  • Patent number: 11441024
    Abstract: The invention relates to a process for producing a polypropylene composition having an improved balanced combination of high flowability, high stiffness and impact, and high level of optical properties. Further, the invention relates to the polypropylene composition having the above-mentioned properties, as well as an article comprising the polypropylene composition.
    Type: Grant
    Filed: December 11, 2018
    Date of Patent: September 13, 2022
    Assignee: Borealis AG
    Inventors: Jingbo Wang, Markus Gahleitner, Elisabeth Potter, Jani Aho, Klaus Bernreitner, Luc Monnissen, Meta Cigon
  • Publication number: 20220282077
    Abstract: New polypropylene composition which combines low sealing initiation temperature (SIT), high hot-tack, good optical properties, like low haze and its use, and improved stiffness/impact balance.
    Type: Application
    Filed: May 24, 2022
    Publication date: September 8, 2022
    Inventors: Markus Gahleitner, Jingbo Wang, Klaus Bernreitner, Peter Niedersüss, Friedrich Berger, Stefan Ortner
  • Publication number: 20220275118
    Abstract: The present invention relates to a propylene polymer composition comprising a long chain branched propylene polymer, wherein said propylene polymer composition has a) a xylene hot insolubles (XHU) fraction in an amount of less than 1.0%, based on the total weight amount of the propylene polymer composition, b) a melting temperature Tm of less than 160° C., c) a crystallization temperature Tc of at least 115° C., and d) a F30 melt strength of from 5.0 to less than 30.0 cN, a process for producing said propylene polymer composition by reactive modification of a propylene polymer in the presence of a peroxide, an article comprising said propylene polymer composition and the use of said propylene polymer composition for producing an article.
    Type: Application
    Filed: June 19, 2020
    Publication date: September 1, 2022
    Inventors: Jingbo Wang, Markus Gahleitner, Pauli Leskinen, Klaus Bernreitner, Katja Ellen Klimke
  • Publication number: 20220259339
    Abstract: The invention is related to film comprising a polypropylene composition showing improved coefficiency of friction as well as optical properties.
    Type: Application
    Filed: July 15, 2020
    Publication date: August 18, 2022
    Inventors: Jingbo Wang, Markus Gahleitner, Klaus Bernreitner, Pauli Leskinen, Markku Vahteri, Stefan Ortner
  • Publication number: 20220258457
    Abstract: Multilayer film comprising at least a skin layer, a core layer and an inner layer, whereby the inner layer comprises a single site catalyst derived (SSC) random propylene ethylene copolymer having—a melting temperature (Tm) from 120° C. to 144° C., —a content of units derived from ethylene in an amount of 1.5 to 6.0 wt.-%, —the melting temperature (Tm) fulfilling the following equation Tm<156° C.?[5.2×C2 content in wt.-%] ° C. wherein C2 content stands for the content of units derived from ethylene; and—a xylene cold soluble content (ISO 16152, 1st ED, 2005-07-01; 25° C.) of preferably below 30 wt.-% wherein the multilayer film is free of phthalic acid esters as well as decomposition products thereof.
    Type: Application
    Filed: June 4, 2020
    Publication date: August 18, 2022
    Inventors: Jingbo Wang, Markus Gahleitner, Klaus Bernreitner, Pauli Leskinen, Manfred Gruenberger
  • Publication number: 20220251259
    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: May 20, 2020
    Publication date: August 11, 2022
    Inventors: Jingbo Wang, Markus Gahleitner, Klaus Bernreitner, Pauli Leskinen, Peter Niedersuss, Stefan Ortner
  • Publication number: 20220251256
    Abstract: The present invention relates to a propylene polymer composition comprising a long chain branched propylene polymer, wherein said propylene polymer composition has a) a melt flow rate MFR2 (230° C., 2.16 kg) of 0.8 to 6.0 g/10 min b) a xylene hot insolubles (XHU) fraction in an amount of not more than 0.80 wt %, based on the total weight amount of the propylene polymer composition, c) a melting temperature Tm of at least 160.0° C., d) a F30 melt strength of from 5.0 to less than 30.0 cN, and e) a heat distortion temperature (HDT) of at least 108° C., a process for producing said propylene polymer composition by reactive modification of a propylene polymer in the presence of a peroxide, an article comprising said propylene polymer composition and the use of said propylene polymer composition for producing an article.
    Type: Application
    Filed: June 19, 2020
    Publication date: August 11, 2022
    Applicant: BOREALIS AG
    Inventors: Jingbo WANG, Markus GAHLEITNER, Klaus BERNREITNER, Katja Ellen KLIMKE, Friedrich BERGER
  • Patent number: 11407886
    Abstract: The present invention relates to a heterophasic propylene polymer (HECO) comprising a) 65 to 90 wt. % of a matrix component (M) selected from a propylene homo- or random copolymer (PP); and b) 10 to 35 wt. % of an ethylene-propylene rubber (EPR), dispersed in the propylene homo- or random copolymer (PP), whereby the xylene cold soluble fraction (XCS) of the heterophasic propylene polymer (HECO) has—an ethylene content of 10.0 to 17.0 wt. %; —an intrinsic viscosity (IV), determined according to ISO 1628-1:2009, of at least 1.6 dl/g; and the xylene cold insoluble fraction (XCI) of the heterophasic propylene polymer (HECO) has 2, 1-erythro regiodefects in an amount of at least 0.4 mol % to a composition comprising the heterophasic propylene polymer (HECO), a process for its preparation and an article comprising the heterophasic propylene polymer (HECO) or the composition comprising the same.
    Type: Grant
    Filed: January 4, 2019
    Date of Patent: August 9, 2022
    Assignee: BOREALIS AG
    Inventors: Wilfried Peter Toltsch, Jingbo Wang, Markus Gahleitner
  • Patent number: 11396593
    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: Grant
    Filed: October 2, 2019
    Date of Patent: July 26, 2022
    Assignee: BOREALIS AG
    Inventors: Daniela Mileva, Susanne Kahlen, Patrick Rover, Georg Grestenberger, Jingbo Wang, Klaus Bernreitner, Markus Gahleitner
  • 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