Patents by Inventor Erwin Kastner

Erwin Kastner 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: 20230295405
    Abstract: Provided is a polyolefin composition including a) at least one polypropylene homopolymer; b) a blend of recycled plastic material including polypropylene and polyethylene in a ratio between 3:7 and 10:1, which is recovered from a waste plastic material derived from post-consumer and/or post-industrial waste; c) glass fibers; and d) at least one coupling agent. The polyolefin composition has a melt flow rate MFR2 (230° C., 2.16 kg, measured according to ISO 1133) of at least 2 g/10 min; a tensile modulus (ISO 527-2) of at least 4 GPa, and an impact strength (ISO179-1, Charpy 1eA +23° C.) of at least 6 kJ/m2.
    Type: Application
    Filed: October 18, 2021
    Publication date: September 21, 2023
    Inventors: Susanne Margarete Kahlen, Angelica Maëlle Delphine Legras, Hermann Braun, Michael Jerabek, Wolfgang Stockreiter, Erwin Kastner
  • 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: 20190284381
    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: Application
    Filed: December 8, 2017
    Publication date: September 19, 2019
    Inventors: Georg Grestenberger, Susanne Kahlen, Daniela Mileva, Wolfgang Stockreiter, Erwin Kastner, Jochen Kastl
  • Patent number: 9650504
    Abstract: Fiber reinforced composition comprising a heterophasic propylene copolymer, a propylene homopolymer and/or a propylene copolymer, and fibers having an average diameter of 12.0 ?m or less, wherein the propylene copolymer comprises not more than 2.0 wt.-% C2 to C10 ?-olefins other than propylene, the propylene homopolymer and the propylene copolymer have a melt flow rate MFR2 (230° C.) of at least 100 g/10 min, and the composition has a melt flow rate MFR2 (230° C.) of at least 10 g/10 min.
    Type: Grant
    Filed: March 27, 2013
    Date of Patent: May 16, 2017
    Assignee: Borealis AG
    Inventors: Erwin Kastner, Jochen Kastl, Markus Hemmeter
  • Publication number: 20160200905
    Abstract: The present invention relates to a polymer composition comprising a heterophasic propylene copolymer, a mineral filler and a light stabilizers comprising a fatty acid derivative and a benzoate derivative. The polymer composition according to the present invention is applicable for automotive articles whereupon the undesired effect of stickiness is reduced significantly compared to automotive articles comprising conventional light stabilizers.
    Type: Application
    Filed: December 17, 2013
    Publication date: July 14, 2016
    Inventors: Erwin Kastner, Klaus Lederer
  • Publication number: 20150368449
    Abstract: Fiber reinforced composition comprising a heterophasic propylene copolymer, a propylene homopolymer and/or a propylene copolymer, and fibers having an average diameter of 12.0 ?m or less, wherein the propylene copolymer comprises not more than 2.0 wt.-% C2 to C10 ?-olefins other than propylene, the propylene homopolymer and the propylene copolymer have a melt flow rate MFR2 (230° C.) of at least 100 g/10 min, and the composition has a melt flow rate MFR2 (230° C.
    Type: Application
    Filed: March 27, 2013
    Publication date: December 24, 2015
    Inventors: Erwin Kastner, Jochen Kastl, Markus Hemmeter
  • Patent number: 9206304
    Abstract: Composition having a melt flow rate MFR2 (230° C.) measured according to ISO 1133 in the range of 15 to 30 g/10 min, said composition comprises a heterophasic propylene copolymer (H-PP1), a high melt flow polypropylene (HMF-PP), a styrenic block copolymer (SBC) and a mineral filler (F), wherein (a) the heterophasic propylene copolymer (H-PP1) has a xylene cold soluble (XCS) content measured according to ISO 6427 in the range of 22.0 to 50.0 wt.-% and comprises (a1) a polypropylene matrix (M1) and (a2) an elastomeric copolymer (E1) comprising units derived from propylene and ethylene and/or C4 to C12 ?-olefin, (b) the melt flow rate MFR2 (230° C.) measured according to ISO 1133 of the high melt flow polypropylene (HMF-PP) is higher than the melt flow rate MFR2 (230° C.) measured according to ISO 1133 of the heterophasic propylene copolymer (H-PP1), and (c) the high melt flow polypropylene (HMF-PP) has melt flow rate MFR2 (230° C.) measured according to ISO 1133 of at least 40.0 g/10 min.
    Type: Grant
    Filed: April 15, 2011
    Date of Patent: December 8, 2015
    Assignee: Borealis AG
    Inventors: Klaus Lederer, Erwin Kastner
  • Publication number: 20150322251
    Abstract: The present invention relates to a polymer composition comprising a heterophasic propylene copolymer, a mineral filler and a light stabilizer comprising a fatty acid derivative and a benzoate derivative. The polymer composition according to the present invention is applicable for automotive articles whereupon the undesired effect of the final odor is reduced significantly compared to automotive articles comprising conventional light stabilizers.
    Type: Application
    Filed: December 17, 2013
    Publication date: November 12, 2015
    Inventors: Erwin Kastner, Klaus Lederer
  • Publication number: 20140303301
    Abstract: Automotive interior article comprising a composition comprising a heterophasic propylene copolymer (HECO), and a fatty acid amide derivative of formula (I) wherein R1 is a C5 to C25 alkyl residue or C5 to C25 alkenyl residue, R2 is a long-chain organic residue containing at least 6 carbon atoms.
    Type: Application
    Filed: August 8, 2012
    Publication date: October 9, 2014
    Applicant: Eni S.P.A.
    Inventors: Klaus Lederer, Erwin Kastner, Georg Grestenberger
  • Patent number: 8815987
    Abstract: Use of an inosilicate in a polymer composition to accomplish a headspace emission of all volatiles together of said polymer composition of equal or below 120 ?gC/g.
    Type: Grant
    Filed: June 16, 2010
    Date of Patent: August 26, 2014
    Assignee: Borealis AG
    Inventors: Klaus Lederer, Michael Otte, Erwin Kastner, Juliane Braun, Wolfgang Stockreiter
  • Patent number: 8721946
    Abstract: Composition comprising polypropylene and (a) at least one phenolic antioxidant (A) (b) at least one hindered amine light stabilizer (B) (c) at least one slip agent (C) being a fatty acid amide, (d) a bisphenol A epoxy resin with an average molecular weight (Mw) below 2000 g/mol (D), and (e) talc (E).
    Type: Grant
    Filed: January 19, 2009
    Date of Patent: May 13, 2014
    Assignee: Borealis AG
    Inventors: Klaus Lederer, Erwin Kastner
  • Publication number: 20130123413
    Abstract: Composition having a melt flow rate MFR2 (230° C.) measured according to ISO 1133 in the range of 15 to 30 g/10 min, said composition comprises a heterophasic propylene copolymer (H-PP1), a high melt flow polypropylene (HMF-PP), a styrenic block copolymer (SBC) and a mineral filler (F), wherein (a) the heterophasic propylene copolymer (H-PP1) has a xylene cold soluble (XCS) content measured according to ISO 6427 in the range of 22.0 to 50.0 wt.-% and comprises (a1) a polypropylene matrix (M1) and (a2) an elastomeric copolymer (E1) comprising units derived from propylene and ethylene and/or C4 to C12 ?-olefin, (b) the melt flow rate MFR2 (230° C.) measured according to ISO 1133 of the high melt flow polypropylene (HMF-PP) is higher than the melt flow rate MFR2 (230° C.) measured according to ISO 1133 of the heterophasic propylene copolymer (H-PP1), and (c) the high melt flow polypropylene (HMF-PP) has melt flow rate MFR2 (230° C.) measured according to ISO 1133 of at least 40.0 g/10 min.
    Type: Application
    Filed: April 15, 2011
    Publication date: May 16, 2013
    Applicant: BOREALIS AG
    Inventors: Klaus Lederer, Erwin Kastner
  • Patent number: 8344069
    Abstract: The present invention relates to a polymer composition comprising a polyolefin base resin comprising (A) a propylene homopolymer with a MWD of 1.5 to 5.0, and (B) an ethylene copolymer with one or more comonomers selected from alphaolefins with 4 to 12 carbon atoms, having a density of not greater than 920 kg/m3 wherein the polyolefin base resin has a weight ratio of propylene homopolymer (A) to ethylene copolymer (B) from 95:5 to 60:40, the use of such a polymer composition for the manufacture of an injection molded article, an article produced from such a polymer composition, an article with a grained surface structure produced from such a polymer composition showing having a scratch resistance, determined as the difference of the luminance ?L at a load of 10 N, of not more than 1 and a gloss at an angle of 60° of not more than 2.8%, and the use of a polymer composition for the production of such an article.
    Type: Grant
    Filed: April 8, 2009
    Date of Patent: January 1, 2013
    Assignee: Borealis Technology Oy
    Inventors: Markus Gahleitner, Erwin Kastner, Hartmut Siebert, Manfred Stadlbauer
  • Publication number: 20120123033
    Abstract: Use of an inosilicate in a polymer composition to accomplish a headspace emission of all volatiles together of said polymer composition of equal or below 120 ?gC/g.
    Type: Application
    Filed: June 16, 2010
    Publication date: May 17, 2012
    Inventors: Klaus Lederer, Michael Otte, Erwin Kastner, Juliane Braun, Wolfgang Stockreiter
  • Publication number: 20120115995
    Abstract: Automotive interior article comprising a polypropylene composition having a melt flow rate MFR2 (230° C.) of 2.0 to 80.0 g/10 min, said polypropylene composition comprises (a) at least 25 wt.-% of a heterophasic polypropylene (H-PP1), (b) 10,000 to 550,000 ppm inosilicate, (c) 1000 to 5,000 ppm of phenolic antioxidants, and further wherein said heterophasic polypropylene (i) comprises a polypropylene matrix and an elastomeric copolymer, said elastomeric copolymer comprises units from .propylene and .ethylene and/or C4 to C20 ?-olefin (ii) has comonomer content of 8 to 30 wt.-% based on said heterophasic polypropylene, said comonomer is ethylene and/or at least one C4 to C20 ?-olefin, and (iii) has a xylene cold soluble (XCS) content measured according to ISO 6427 of 15.0 to 40.0 wt.-% based on the heterophasic polypropylene.
    Type: Application
    Filed: June 16, 2010
    Publication date: May 10, 2012
    Inventors: Klaus Lederer, Michael Lotte, Erwin Kastner, Juliane Braun, Wolfgang Stockreiter
  • Publication number: 20110060085
    Abstract: The present invention relates to a polymer composition comprising a polyolefin base resin comprising (A) a propylene homopolymer with a MWD of 1.5 to 5.0, and (B) an ethylene copolymer with one or more comonomers selected from alphaolefins with 4 to 12 carbon atoms, having a density of not greater than 920 kg/m3 wherein the polyolefin base resin has a weight ratio of propylene homopolymer (A) to ethylene copolymer (B) from 95:5 to 60:40, the use of such a polymer composition for the manufacture of an injection molded article, an article produced from such a polymer composition, an article with a grained surface structure produced from such a polymer composition showing having a scratch resistance, determined as the difference of the luminance ?L at a load of 10 N, of not more than 1 and a gloss at an angle of 60° of not more than 2.8%, and the use of a polymer composition for the production of such an article.
    Type: Application
    Filed: April 8, 2009
    Publication date: March 10, 2011
    Inventors: Markus Gahleitner, Erwin Kastner, Hartmut Siebert, Manfred Stadlbauer
  • Publication number: 20100286310
    Abstract: Composition comprising polypropylene and (a) at least one phenolic antioxidant (A) (b) at least one hindered amine light stabilizer (B) (c) at least one slip agent (C) being a fatty acid amide, (d) a bisphenol A epoxy resin with an average molecular weight (Mw) below 2000 g/mol (D), and (e) talc (E).
    Type: Application
    Filed: January 19, 2009
    Publication date: November 11, 2010
    Applicant: Borealis AG
    Inventors: Klaus Lederer, Erwin Kastner