Patents by Inventor Claudia Kniesel

Claudia Kniesel 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: 11530321
    Abstract: The invention is directed at a polypropylene composition comprising a heterophasic propylene copolymer, a plastomer and an inorganic filler. Furthermore, the invention is directed at an article comprising the polypropylene composition and the use of the polypropylene composition to improve the adhesion performance.
    Type: Grant
    Filed: October 29, 2018
    Date of Patent: December 20, 2022
    Assignee: Borealis AG
    Inventors: Claudia Kniesel, Klaus Lederer, Georg Grestenberger, Erich Seitl, Andreas Jahn, Angelica Maëlle Delphine Legras
  • Patent number: 11492478
    Abstract: The invention is directed at a polypropylene composition comprising a heterophasic propylene copolymer, a plastomer and an inorganic filler. Furthermore, the invention directed at an article comprising the polypropylene composition and the use of the polypropylene composition to improve the adhesion performance of an article.
    Type: Grant
    Filed: November 6, 2018
    Date of Patent: November 8, 2022
    Assignee: Borealis AG
    Inventors: Claudia Kniesel, Thomas Lummerstorfer, Anton Sageder, Michael Otte, Andreas Jahn, Angelica Maëlle Delphine Legras
  • Publication number: 20220298341
    Abstract: The present invention is directed to articles comprising a heterophasic polypropylene composition. The articles exhibit a combination of high stiffness, good dimensional stability, low shrinkage and reduced warpage properties and fast cycle times. Such articles are suitable in the rigid packaging area. The articles comprise a polypropylene composition comprising a heterophasic propylene copolymer which comprises a) a matrix phase (A) comprising at least one propylene homopolymer and/or a propylene copolymer, and b) a disperse phase (B) comprising a propylene copolymer rubber dispersed in the matrix phase (A), wherein the propylene copolymer rubber of the disperse phase (B) has a comonomer content of 30 to 55 wt. %, wherein the weight ratio of the matrix phase (A) and the disperse phase (B) is from 20:80 to 80:20; and the polypropylene composition has (i) a melt flow rate MFR2 of 1 g/10 min to 500 g/10 min, determined according to ISO 1133 (230° C., 2.
    Type: Application
    Filed: June 12, 2020
    Publication date: September 22, 2022
    Inventors: Friedrich Berger, Juliane Braun, Daniela Mileva, Anton Sageder, Claudia Kniesel
  • Patent number: 11345804
    Abstract: The present invention is directed to the use of a polypropylene composition comprising at least one heterophasic polypropylene and a filler for the production of at least partially painted articles which show both a good paintability and a good surface appearance; and the painted articles produced therefrom. Further the invention is directed to a polypropylene composition showing improved surface appearance and paintability.
    Type: Grant
    Filed: January 30, 2018
    Date of Patent: May 31, 2022
    Assignee: Borealis AG
    Inventors: Susanne Kahlen, Claudia Kniesel, Thomas Lummerstorfer, Daniela Mileva, Milorad Bogdanovic
  • Patent number: 11186708
    Abstract: The present invention is directed to a polypropylene composition (C) comprising a polypropylene matrix, a dispersed phase comprising two different elastomeric ethylene copolymers and an inorganic filler. The present invention is further directed to an article comprising said polypropylene composition (C).
    Type: Grant
    Filed: June 26, 2018
    Date of Patent: November 30, 2021
    Assignee: BOREALIS AG
    Inventors: Thomas Lummerstorfer, Claudia Kniesel, Georg Grestenberger
  • 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
  • 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
  • Publication number: 20200347216
    Abstract: The invention is directed at a polypropylene composition comprising a heterophasic propylene copolymer, a plastomer and an inorganic filler. Furthermore, the invention directed at an article comprising the polypropylene composition and the use of the polypropylene composition to improve the adhesion performance of an article.
    Type: Application
    Filed: November 6, 2018
    Publication date: November 5, 2020
    Applicant: BOREALIS AG
    Inventors: Claudia KNIESEL, Thomas LUMMERSTORFER, Anton SAGEDER, Michael OTTE, Andreas JAHN, Angelica Maëlle Delphine LEGRAS
  • Patent number: 10781304
    Abstract: Polypropylene composition comprising (A) 60 to 95 wt % of a heterophasic polypropylene (HECO) comprising 10 to 30 wt % of dispersed phase with the dispersed phase having a comonomer content of 30 to 45 wt % and the HECO having a melt flow rate MFRPP in the range of 12 to 200 g/10 min and being prepared in the presence of a Ziegler Natta catalyst (ZN-C), (B) 0 to 15 wt % of one or more elastomers, (C) 5 to 20 wt % of at least one filler wherein the polypropylene composition fulfils inequation (1) fogging?0.02 MFRComp+0.3. The composition allows for a well-balanced combination of a good impact/stiffness balance, a good scratch resistance, low VOC and FOG emissions and remarkable good fogging values.
    Type: Grant
    Filed: June 20, 2017
    Date of Patent: September 22, 2020
    Assignee: BOREALIS AG
    Inventors: Jingbo Wang, Claudia Kniesel, Minna Aarnio-Winterhof, Karlheinz Friedrich, Friedrich Berger
  • Patent number: 10781303
    Abstract: High flow nucleated heterophasic polyolefin compositions comprising a matrix comprising a propylene homo- and/or copolymer and an elastomeric alpha-olefin copolymer phase dispersed in the matrix, which have rather high melt flow rate, improved impact strength but also an excellent impact/stiffness balance and a process for the preparation of such a heterophasic polyolefin composition, articles made therefrom and uses of the heterophasic polyolefin composition.
    Type: Grant
    Filed: March 1, 2017
    Date of Patent: September 22, 2020
    Assignee: BOREALIS AG
    Inventors: Claudia Kniesel, Minna Aarnio-Winterhof, Karlheinz Friedrich, Markus Gahleitner, Friedrich Berger
  • Patent number: 10759931
    Abstract: High flow nucleated heterophasic polyolefin compositions comprising a matrix comprising a propylene homo- and/or copolymer and an elastomeric alpha-olefin copolymer phase dispersed in the matrix, which have rather high melt flow rate, improved impact strength but also an excellent impact/stiffness balance and a process for the preparation of such a heterophasic polyolefin composition, articles made therefrom and uses of the heterophasic polyolefin composition.
    Type: Grant
    Filed: March 1, 2017
    Date of Patent: September 1, 2020
    Assignee: BOREALIS AG
    Inventors: Claudia Kniesel, Minna Aarnio-Winterhof, Karlheinz Friedrich, Markus Gahleitner, Friedrich Berger
  • Publication number: 20200263015
    Abstract: The invention is directed at a polypropylene composition comprising a heterophasic propylene copolymer, a plastomer and an inorganic filler. Furthermore, the invention is directed at an article comprising the polypropylene composition and the use of the polypropylene composition to improve the adhesion performance.
    Type: Application
    Filed: October 29, 2018
    Publication date: August 20, 2020
    Applicant: BOREALIS AG
    Inventors: Claudia KNIESEL, Klaus LEDERER, Georg GRESTENBERGER, Erich SEITL, Andreas JAHN, Angelica Maëlle Delphine LEGRAS
  • 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: 20200181378
    Abstract: The present invention is directed to a polypropylene composition (C) comprising a polypropylene matrix, a dispersed phase comprising two different elastomeric ethylene copolymers and an inorganic filler. The present invention is further directed to an article comprising said polypropylene composition (C).
    Type: Application
    Filed: June 26, 2018
    Publication date: June 11, 2020
    Inventors: Thomas Lummerstorfer, Claudia Kniesel, Georg Grestenberger
  • Publication number: 20190382570
    Abstract: The present invention is directed to the use of a polypropylene composition comprising at least one heterophasic polypropylene and a filler for the production of at least partially painted articles which show both a good paintability and a good surface appearance; and the painted articles produced therefrom. Further the invention is directed to a polypropylene composition showing improved surface appearance and paintability.
    Type: Application
    Filed: January 30, 2018
    Publication date: December 19, 2019
    Inventors: Susanne Kahlen, Claudia Kniesel, Thomas Lummerstorfer, Daniela Mileva, Milorad Bogdanovic
  • Publication number: 20190315952
    Abstract: High flow nucleated heterophasic polyolefin compositions comprising a matrix comprising a propylene homo- and/or copolymer and an elastomeric alpha-olefin copolymer phase dispersed in the matrix, which have rather high melt flow rate, improved impact strength but also an excellent impact/stiffness balance and a process for the preparation of such a heterophasic polyolefin composition, articles made therefrom and uses of the heterophasic polyolefin composition.
    Type: Application
    Filed: March 1, 2017
    Publication date: October 17, 2019
    Inventors: Claudia Kniesel, Minna Aarnio-Winterhof, Karlheinz Friedrich, Markus Gahleitner, Friedrich Berger
  • Publication number: 20190315956
    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: Application
    Filed: December 14, 2017
    Publication date: October 17, 2019
    Inventors: Claudia Kniesel, Pavel Shutov, Susanne Kahlen, Daniela Mileva, Floran Prades
  • Publication number: 20190300686
    Abstract: Polypropylene composition comprising (A) 60 to 95 wt % of a heterophasic polypropylene (HECO) comprising 10 to 30 wt % of dispersed phase with the dispersed phase having a comonomer content of 30 to 45 wt % and the HECO having a melt flow rate MFRPP in the range of 12 to 200 g/10 min and being prepared in the presence of a Ziegler Natta catalyst (ZN-C), (B) 0 to 15 wt % of one or more elastomers, (C) 5 to 20 wt % of at least one filler wherein the polypropylene composition fulfils inequation (1) fogging?0.02 MFRComp+0.3. The composition allows for a well-balanced combination of a good impact/stiffness balance, a good scratch resistance, low VOC and FOG emissions and remarkable good fogging values.
    Type: Application
    Filed: June 20, 2017
    Publication date: October 3, 2019
    Inventors: Jingbo Wang, Claudia Kniesel, Minna Aarnio-Winterhof, Karlheinz Friedrich, Friedrich Berger
  • Publication number: 20190284379
    Abstract: High flow nucleated heterophasic polyolefin compositions comprising a matrix comprising a propylene homo- and/or copolymer and an elastomeric alpha-olefin copolymer phase dispersed in the matrix, which have rather high melt flow rate, improved impact strength but also an excellent impact/stiffness balance and a process for the preparation of such a heterophasic polyolefin composition, articles made therefrom and uses of the heterophasic polyolefin composition.
    Type: Application
    Filed: March 1, 2017
    Publication date: September 19, 2019
    Inventors: Claudia Kniesel, Minna Aarnio-Winterhof, Karlheinz Friedrich, Markus Gahleitner, Friedrich Berger
  • Patent number: 10392492
    Abstract: The present invention is directed to a polypropylene composition (C), an article comprising the polypropylene composition (C) and the use of the polypropylene composition (C) to reduce paintability failure of a molded article. The polypropylene composition (C) comprises (a) 40.0 to 80.0 wt. %, based on the total weight of the composition, of a propylene copolymer (R-PP) having: (a1) a comonomer content in the range of 1.5 to 8.0 wt. %, and (a2) a melt flow rate MFR2 (230 ° C.) measured according to ISO 1133 in the range of 5.0 to 100.0 g/10 min, and (b) 20.0 to 40.0 wt. %, based on the total weight of the composition, of a mineral filler (F) being selected from the group consisting of talcum, wollastonite, kaolin, and mica, wherein the polypropylene composition (C) has a melt flow rate MFR2 (230 ° C.) measured according to ISO 1133 in the range of 5.0 to 45.0 g/10 min.
    Type: Grant
    Filed: December 1, 2014
    Date of Patent: August 27, 2019
    Assignee: BOREALIS AG
    Inventors: Dietrich Gloger, Claudia Kniesel, Georg Grestenberger, Daniela Mileva