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).
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Publication number: 20230295405Abstract: 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: ApplicationFiled: October 18, 2021Publication date: September 21, 2023Inventors: Susanne Margarete Kahlen, Angelica Maëlle Delphine Legras, Hermann Braun, Michael Jerabek, Wolfgang Stockreiter, Erwin Kastner
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Patent number: 10920057Abstract: 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: GrantFiled: December 8, 2017Date of Patent: February 16, 2021Assignee: BOREALIS AGInventors: Georg Grestenberger, Susanne Kahlen, Daniela Mileva, Wolfgang Stockreiter, Erwin Kastner, Jochen Kastl
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Publication number: 20190284381Abstract: 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: ApplicationFiled: December 8, 2017Publication date: September 19, 2019Inventors: Georg Grestenberger, Susanne Kahlen, Daniela Mileva, Wolfgang Stockreiter, Erwin Kastner, Jochen Kastl
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Patent number: 9650504Abstract: 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: GrantFiled: March 27, 2013Date of Patent: May 16, 2017Assignee: Borealis AGInventors: Erwin Kastner, Jochen Kastl, Markus Hemmeter
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Publication number: 20160200905Abstract: 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: ApplicationFiled: December 17, 2013Publication date: July 14, 2016Inventors: Erwin Kastner, Klaus Lederer
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Publication number: 20150368449Abstract: 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: ApplicationFiled: March 27, 2013Publication date: December 24, 2015Inventors: Erwin Kastner, Jochen Kastl, Markus Hemmeter
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Patent number: 9206304Abstract: 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: GrantFiled: April 15, 2011Date of Patent: December 8, 2015Assignee: Borealis AGInventors: Klaus Lederer, Erwin Kastner
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Publication number: 20150322251Abstract: 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: ApplicationFiled: December 17, 2013Publication date: November 12, 2015Inventors: Erwin Kastner, Klaus Lederer
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Publication number: 20140303301Abstract: 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: ApplicationFiled: August 8, 2012Publication date: October 9, 2014Applicant: Eni S.P.A.Inventors: Klaus Lederer, Erwin Kastner, Georg Grestenberger
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Patent number: 8815987Abstract: 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: GrantFiled: June 16, 2010Date of Patent: August 26, 2014Assignee: Borealis AGInventors: Klaus Lederer, Michael Otte, Erwin Kastner, Juliane Braun, Wolfgang Stockreiter
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Patent number: 8721946Abstract: 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: GrantFiled: January 19, 2009Date of Patent: May 13, 2014Assignee: Borealis AGInventors: Klaus Lederer, Erwin Kastner
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Publication number: 20130123413Abstract: 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: ApplicationFiled: April 15, 2011Publication date: May 16, 2013Applicant: BOREALIS AGInventors: Klaus Lederer, Erwin Kastner
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Patent number: 8344069Abstract: 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: GrantFiled: April 8, 2009Date of Patent: January 1, 2013Assignee: Borealis Technology OyInventors: Markus Gahleitner, Erwin Kastner, Hartmut Siebert, Manfred Stadlbauer
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Publication number: 20120123033Abstract: 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: ApplicationFiled: June 16, 2010Publication date: May 17, 2012Inventors: Klaus Lederer, Michael Otte, Erwin Kastner, Juliane Braun, Wolfgang Stockreiter
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Publication number: 20120115995Abstract: 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: ApplicationFiled: June 16, 2010Publication date: May 10, 2012Inventors: Klaus Lederer, Michael Lotte, Erwin Kastner, Juliane Braun, Wolfgang Stockreiter
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Publication number: 20110060085Abstract: 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: ApplicationFiled: April 8, 2009Publication date: March 10, 2011Inventors: Markus Gahleitner, Erwin Kastner, Hartmut Siebert, Manfred Stadlbauer
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Publication number: 20100286310Abstract: 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: ApplicationFiled: January 19, 2009Publication date: November 11, 2010Applicant: Borealis AGInventors: Klaus Lederer, Erwin Kastner