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: 10358546
    Abstract: Polymer composition comprising at least one polypropylene homopolymer and/or random copolymer, up to 15 wt % of at least one polyethylene, optionally at least one elastomer in an amount of 8 to 40 wt % and optionally fillers and/or additives in an amount of up to 45 wt % based on the total weight of the final polymer composition with the at least one polyethylene having a density of higher than 940 kg/m3, a content of hexane hot extractables of below 0.80 wt % preferably below 0.60 wt %, most preferably below 0.40 wt % and a copolymer/homopolymer (COHO) ratio measured by Temperature Rising Elution Fraction (TREF) up to 6%.
    Type: Grant
    Filed: July 27, 2016
    Date of Patent: July 23, 2019
    Assignee: Borealis AG
    Inventors: Jingbo Wang, Claudia Kniesel, Petar Doshev, Floran Prades
  • Publication number: 20190077946
    Abstract: Polymer composition comprising at least one polypropylene homopolymer and/or random copolymer, up to 15 wt % of at least one polyethylene, optionally at least one elastomer in an amount of 8 to 40 wt % and optionally fillers and/or additives in an amount of up to 45 wt % based on the total weight of the fmal polymer composition with the at least one polyethylene having a density of higher than 940 kg/m3, a content of hexane hot extractables of below 0.80 wt % preferably below 0.60 wt %, most preferably below 0.40 wt % and a copolymer/homopolymer (COHO) ratio measured by Temperature Rising Elution Fraction (TREF) up to 6%.
    Type: Application
    Filed: July 27, 2016
    Publication date: March 14, 2019
    Inventors: Jingbo Wang, Claudia Kniesel, Petar Doshev, Floran Prades
  • Patent number: 10208182
    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: February 19, 2019
    Assignee: BOREALIS AG
    Inventors: Dietrich Gloger, Claudia Kniesel, Georg Grestenberger, Daniela Mileva
  • Patent number: 9920195
    Abstract: Composition comprising a polypropylene matrix (M-PP), at least one elastomeric copolymer (EP), a high density polyethylene (HDPE) being bimodal or multimodal, and a filler (F).
    Type: Grant
    Filed: June 18, 2014
    Date of Patent: March 20, 2018
    Assignee: Borealis AG
    Inventors: Klaus Bernreitner, Claudia Kniesel, Robert Gubo, Klaus Maureder
  • Patent number: 9783666
    Abstract: The present invention is directed to a polypropylene composition, an article comprising the polypropylene composition as well as the use of the polypropylene composition to enhance paint adhesion of a molded article.
    Type: Grant
    Filed: December 1, 2014
    Date of Patent: October 10, 2017
    Assignee: Borealis AG
    Inventors: Georg Grestenberger, Claudia Kniesel, Daniela Mileva, Dietrich Gloger
  • Patent number: 9701825
    Abstract: The present invention is directed to a polypropylene composition (C), an article comprising the polypropylene composition (C) as well as the use of the polypropylene composition (C) to reduce paintability failure of a molded article.
    Type: Grant
    Filed: May 15, 2014
    Date of Patent: July 11, 2017
    Assignee: Borealis AG
    Inventors: Georg Grestenberger, Claudia Kniesel, Daniela Mileva, Dietrich Gloger
  • Publication number: 20170051125
    Abstract: The present invention is directed to a polypropylene composition (C), an article comprising the polypropylene composition (C) as well as the use of the polypropylene composition (C) to reduce paintability failure of a molded article.
    Type: Application
    Filed: December 4, 2014
    Publication date: February 23, 2017
    Inventors: Dietrich GLOGER, Claudia KNIESEL, Georg GRESTENBERGER, Daniela MILEVA
  • Publication number: 20170029609
    Abstract: The present invention is directed to a polypropylene composition, an article comprising the polypropylene composition as well as the use of the polypropylene composition to enhance paint adhesion of a molded article.
    Type: Application
    Filed: December 1, 2014
    Publication date: February 2, 2017
    Inventors: Georg Grestenberger, Claudia Kniesel, Daniela Mileva, Dietrich Gloger
  • Patent number: 9328233
    Abstract: A composition comprising: (I) 60 to 92.5 wt % of a first component which is a polypropylene polymer comprising a) 40 to 85 wt % of a propylene polymer A having a melt flow rate (MFR2) between 0.01 and 300 g/10 min, and b) 15 wt % or more of at least one propylene ethylene copolymer; and (II) 2.5 to 30 wt % of a second component comprising at least one ethylene alkyl (meth)acrylate polymer; and optionally (III) 5 to 25 wt % of at least one filler.
    Type: Grant
    Filed: May 19, 2011
    Date of Patent: May 3, 2016
    Assignee: Borealis AG
    Inventors: Klaus Bernreitner, Juliane Braun, Christelle Grein, Georg Grestenberger, Claudia Kniesel
  • Publication number: 20160108219
    Abstract: The present invention is directed to a polypropylene composition (C), an article comprising the polypropylene composition (C) as well as the use of the polypropylene composition (C) to reduce paintability failure of a molded article.
    Type: Application
    Filed: May 15, 2014
    Publication date: April 21, 2016
    Applicant: Borealis AG
    Inventors: Georg Grestenberger, Claudia Kniesel, Daniela Mileva, Dietrich Gloger
  • Patent number: 9200153
    Abstract: A composition comprising: (I) 30 to 85 wt % of a polypropylene component comprising a polypropylene copolymer; (II) 5 to 49 wt % of a second component comprising at least one ethylene alkyl (meth)acrylate polymer having a (meth)acrylate content of at least 15 wt %; and (III) 10 to 50 wt % of glass fibers.
    Type: Grant
    Filed: May 19, 2011
    Date of Patent: December 1, 2015
    Assignee: Borealis AG
    Inventors: Renate Schininger, Claudia Kniesel
  • Patent number: 9074085
    Abstract: The present invention relates to a heterophasic polypropylene resin comprising a crystalline propylene homopolymer matrix (A) and an amorphous propylene copolymer phase (B) dispersed within the matrix having excellent mechanical properties, in particular at low temperatures, and at the same time high flowability. Further, the invention relates to a production process of the heterophasic polypropylene resin, the use of such a resin in a polypropylene composition and to articles made of the heterophasic polypropylene resin.
    Type: Grant
    Filed: August 10, 2011
    Date of Patent: July 7, 2015
    Assignee: Borealis AG
    Inventors: Saeid Kheirandish, Petar Doshev, Claudia Kniesel
  • Publication number: 20140303325
    Abstract: Composition comprising a polypropylene matrix (M-PP), at least one elastomeric copolymer (EP), a high density polyethylene (HDPE) being bimodal or multimodal, and a filler (F).
    Type: Application
    Filed: June 18, 2014
    Publication date: October 9, 2014
    Inventors: Klaus Bernreitner, Claudia Kniesel, Robert Gubo, Klaus Maureder
  • Patent number: 8846805
    Abstract: Thermoplastic polyolefin compounds for the production of injection molded, paintable and flame pre-treatable articles comprising A) 50 wt % to 90 wt % of a propylene homo- or copolymer matrix phase (M) and B) 10 wt % to 50 wt % of a first elastomer comprising an ethylene-C3-C6-alpha olefin copolymer rubber C) 0 wt % to 20 wt %, based on the total weight of A and B, of a second elastomer, component B) and C) forming a disperse phase (E) and D) >30 wt % up to 60 wt %, based on the total weight of components A, B and C, of an inorganic filler, if the intrinsic viscosity of the disperse phase (E) is <2.2 dl/g according to ISO 1628 (with decalin as solvent) or 0 wt % to <30 wt % based on the total weight of components A, B and C, of an inorganic filler, if the intrinsic viscosity of the disperse phase (E) is ?2.2 dl/g according to ISO 1628 (with decalin as solvent).
    Type: Grant
    Filed: May 5, 2010
    Date of Patent: September 30, 2014
    Assignee: Borealis AG
    Inventors: Claudia Kniesel, Erich Seitl, Rudolf Wölfer
  • Publication number: 20130203930
    Abstract: A composition comprising: (I) 30 to 85 wt % of a polypropylene component comprising a polypropylene copolymer; (II) 5 to 49 wt % of a second component comprising at least one ethylene alkyl (meth)acrylate polymer having a (meth)acrylate content of at least 15 wt %; and (III) 10 to 50 wt % of glass fibres.
    Type: Application
    Filed: May 19, 2011
    Publication date: August 8, 2013
    Applicant: BOREALIS AG
    Inventors: Renate Schininger, Claudia Kniesel
  • Publication number: 20130197153
    Abstract: The present invention relates to a heterophasic polypropylene resin comprising a crystalline propylene homopolymer matrix (A) and an amorphous propylene copolymer phase (B) dispersed within the matrix having excellent mechanical properties, in particular at low temperatures, and at the same time high flowability. Further, the invention relates to a production process of the heterophasic polypropylene resin, the use of such a resin in a polypropylene composition and to articles made of the heterophasic polypropylene resin.
    Type: Application
    Filed: August 10, 2011
    Publication date: August 1, 2013
    Applicant: Borealis Technology AG
    Inventors: Saeid Kheirandish, Petar Doshev, Claudia Kniesel
  • Publication number: 20130143996
    Abstract: A composition comprising: (I) 60 to 92.5 wt % of a first component which is a polypropylene polymer comprising a) 40 to 85 wt % of a propylene polymer A having a melt flow rate (MFR2) between 0.01 and 300 g/10 min, and b) 15 wt % or more of at least one propylene ethylene copolymer; and (II) 2.5 to 30 wt % of a second component comprising at least one ethylene alkyl (meth)acrylate polymer; and optionally (III) 5 to 25 wt % of at least one filler.
    Type: Application
    Filed: May 19, 2011
    Publication date: June 6, 2013
    Applicant: BOREALIS AG
    Inventors: Klaus Bernreitner, Juliane Braun, Christelle Grein, Georg Grestenberger, Claudia Kniesel
  • Publication number: 20120095154
    Abstract: Composition comprising a polypropylene matrix (M-PP), at least one elastomeric copolymer (EP), a high density polyethylene (HDPE) being bimodal or multimodal, and a filler (F).
    Type: Application
    Filed: April 6, 2010
    Publication date: April 19, 2012
    Inventors: Klaus Bernreitner, Claudia Kniesel, Robert Gubo, Klaus Maureder
  • Publication number: 20120077919
    Abstract: Thermoplastic polyolefin compounds for the production of injection moulded, paintable and flame pre-treatable articles comprising A) 50 wt % to 90 wt % of a propylene homo- or copolymer matrix phase (M) and B) 10 wt % to 50 wt % of a first elastomer comprising an ethylene-C3-C6-alpha olefin copolymer rubber C) 0 wt % to 20 wt %, based on the total weight of A and B, of a second elastomer, component B) and C) forming a disperse phase (E) and D) >30 wt % up to 60 wt %, based on the total weight of components A, B and C, of an inorganic filler, if the intrinsic viscosity of the disperse phase (E) is <2.2 dl/g according to ISO 1628 (with decalin as solvent) or 0 wt % to <30 wt % based on the total weight of components A, B and C, of an inorganic filler, if the intrinsic viscosity of the disperse phase (E) is ?2.2 dl/g according to ISO 1628 (with decalin as solvent).
    Type: Application
    Filed: May 5, 2010
    Publication date: March 29, 2012
    Applicant: Borealis AG
    Inventors: Claudia Kniesel, Erich Seitl, Rudolf Wölfer