Patents by Inventor Michael Riethues
Michael Riethues 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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Patent number: 8222307Abstract: Expandable styrene polymers (EPS) comprising, in each case based on the styrene polymer, a) from 0.05 to 5% by weight of an organic bromine compound whose bromine content is at least 50% by weight, as flame retardant, b) from 0.05 to 2% by weight of a flame retardant synergist, c) from 0.1 to 5% by weight of a metal salt as acid scavenger, and process for their production.Type: GrantFiled: November 20, 2008Date of Patent: July 17, 2012Assignee: BASF SEInventors: Markus Allmendinger, Bernhard Schmied, Joachim Ruch, Konrad Knoll, Michael Riethues, Klaus Hahn, Carsten Schips, Jessica Rylander
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Publication number: 20110178192Abstract: A coating formulation intended for expandable particulate styrene polymer and comprising (A) from 10 to 90% by weight of a tristearyl ester whose melting point is in the range from 60 to 65° C., (B) from 10 to 90% by weight of a triglyceride of a hydroxy-C16-C18 oleic acid whose melting point is in the range from 70 to 95° C., and also expandable particulate styrene polymer which has at least one coating composed of said coating-composition formulation.Type: ApplicationFiled: August 8, 2008Publication date: July 21, 2011Applicant: BASF SEInventors: Andreas Keller, Olaf Kriha, Wolfram Husemann, Klaus Hahn, Bernhard Schmied, Michael Riethues
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Publication number: 20100273925Abstract: Expandable styrene polymers (EPS) comprising, in each case based on the styrene polymer, a) from 0.05 to 5% by weight of an organic bromine compound whose bromine content is at least 50% by weight, as flame retardant, b) from 0.05 to 2% by weight of a flame retardant synergist, c) from 0.1 to 5% by weight of a metal salt as acid scavenger, and process for their production.Type: ApplicationFiled: November 20, 2008Publication date: October 28, 2010Applicant: BASF SEInventors: Markus Allmendinger, Bernhard Schmied, Joachim Ruch, Konrad Knoll, Michael Riethues, Klaus Hahn, Carsten Schips, Jessica Rylander
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Publication number: 20100032856Abstract: A process for producing coated foam particles, in which an aqueous polymer dispersion is applied to the foam particles and is subsequently dried to form a water-insoluble polymer film, and also foam moldings produced therefrom and their use.Type: ApplicationFiled: October 4, 2007Publication date: February 11, 2010Applicant: BASF SE Patent, Trademarks and LicensesInventors: Klaus Hahn, Benjamin Nehls, Bernhard Schmied, Michael Riethues, Andreas Keller, Volker Warzelhan
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Publication number: 20080248198Abstract: The invention relates to a process for producing foam moldings from prefoamed foam particles which have a polymer coating in a mold under pressure, wherein the polymer coating comprises an amphiphilic or hydrophobic organic compound, and also foam moldings produced therefrom and their use.Type: ApplicationFiled: August 9, 2006Publication date: October 9, 2008Applicant: Basf SEInventors: Markus Allmendinger, Klaus Hahn, Bernhard Schmied, Michael Riethues, Edith Antonatus
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Publication number: 20080230956Abstract: A process for producing foam moldings from prefoamed foam particles which have a polymer coating in a mold under pressure, wherein the prefoamed foam particles comprise from 10 to 70% by weight, based on the foam particles, of a filler, and also foam moldings produced therefrom and their use.Type: ApplicationFiled: August 9, 2006Publication date: September 25, 2008Applicant: BASF SEInventors: Markus Allmendinger, Klaus Hahn, Bernhard Schmied, Michael Riethues
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Publication number: 20080234400Abstract: The invention relates to a process for producing foam moldings from prefoamed foam particles which have a polymer coating in a mold under pressure, wherein the polymer coating comprises an athermanous compound and also foam moldings produced therefrom and their use.Type: ApplicationFiled: August 9, 2006Publication date: September 25, 2008Applicant: BASF SEInventors: Markus Allmendinger, Klaus Hahn, Bernhard Schmied, Michael Riethues
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Publication number: 20080224357Abstract: A process for producing foam moldings from prefoamed foam particles which have a polymer coating under pressure in a mold in the absence of steam, and also foam moldings produced therefrom and their use.Type: ApplicationFiled: August 9, 2006Publication date: September 18, 2008Applicant: BASF SEInventors: Markus Allmendinger, Klaus Hahn, Bernhard Schmied, Michael Riethues, Edith Antonatus
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Publication number: 20070112081Abstract: Moldable-foam moldings whose density is in the range from 10 to 100 g/l, obtainable via the fusion of prefoamed foam beads composed of expandable, pelletized thermoplastic polymer materials, comprising from 5 to 100% by weight of a styrene copolymer A), from 0 to 95% by weight of polystyrene B), and from 0 to 95% by weight of a thermoplastic polymer C) other than A) and B), and a process for producing the expandable pelletized thermoplastic polymer materials.Type: ApplicationFiled: December 10, 2004Publication date: May 17, 2007Applicant: BASF AktiengensellschaftInventors: Klaus Hahn, Gerd Ehrmann, Joachim Ruch, Markus Allmendinger, Bernhard Schmied, Jan Holoch, Klaus Muhlbach, Michael Riethues
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Publication number: 20060057291Abstract: A process for generating raised textures on a substrate, in which a printing or coating composition comprising a film-forming polymeric binder, a solvent, heat-expandable polymer particles, and, where appropriate, other usual additives is applied to the substrate by printing or coating, and the printed or coated substrate is heat-treated, which comprises using expandable polymer particles which are colored or colorless expandable polystyrene beads whose diameter in the unexpanded state is from 0.1 to 5 mm.Type: ApplicationFiled: June 4, 2003Publication date: March 16, 2006Inventors: Tibor Duris, Ralf Mobbach, Michael Riethues, Gunter Renz, Dieter Jacob
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Patent number: 5585410Abstract: Bead-form, expandable styrene polymers containing, based on the styrene polymer, from 0.005 to 1.5% by weight of polyethylene wax and from 0.005 to 1% by weight of dimeric .alpha.-methylstyrene, and a process for the preparation thereof.Type: GrantFiled: May 8, 1995Date of Patent: December 17, 1996Assignee: BASF AktiengesellschaftInventors: Dietrich Scherzer, Klaus Hahn, Michael Riethues, Dieter Naegele, Michael Witt, Wolfram Husemann
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Patent number: 5258415Abstract: The invention relates to expandable styrene polymers containinga) a styrene polymer,b) and at least one carbon dioxide absorber, mixed or copolymerized with the above, in an amount of from 0.01 to 50% by weight, based on the sum of a) and b), andc) a blowing agent or blowing agent mixture in an amount of from 0.5 to 12% by weight,where the blowing agent or blowing agent mixture comprisesc.sub.1) from 10 to 100% by weight of carbon dioxide andc.sub.2) from 0 to 90% by weight of at least one further blowing agent.The invention furthermore relates to the styrene polymers containing a carbon dioxide absorber, to the styrene polymer foams obtainable from the expandable styrene polymers, and to an improved process for impregnating styrene polymers with carbon dioxide-containing blowing agents or blowing agent mixtures.Type: GrantFiled: January 28, 1993Date of Patent: November 2, 1993Assignee: BASF AktiengesellschaftInventors: Klaus Hahn, Knut Kaempfer, Hans Hintz, Anthony Schaefer, Michael Riethues, Michael Witt
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Patent number: 5229429Abstract: The invention relates to expandable styrene polymers containinga) a styrene polymer,b) and at least one carbon dioxide absorber, mixed or copolymerized with the above, in an amount of from 0.01 to 50% by weight, based on the sum of a) and b), andc) a blowing agent or blowing agent mixture in an amount of from 0.5 to 12% by weight,where the blowing agent or blowing agent mixture comprisesc.sub.1) from 10 to 100% by weight of carbon dioxide andc.sub.2) from 0 to 90% by weight of at least one further blowing agent.The invention furthermore relates to the styrene polymers containing a carbon dioxide absorber, to the styrene polymer foams obtainable from the expandable styrene polymers, and to an improved process for impregnating styrene polymers with carbon dioxide-containing blowing agents or blowing agent mixtures.Type: GrantFiled: November 9, 1992Date of Patent: July 20, 1993Assignee: BASF AktiengesellschaftInventors: Klaus Hahn, Knut Kaempfer, Hans Hintz, Anthony Schaefer, Michael Riethues, Michael Witt
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Patent number: 5177115Abstract: An oil-resistant, expandable styrene polymer containsa) from 10 to 90% by weight of uncrosslinked polystyrene and/or an uncrosslinked styrene copolymer containing at least 50% by weight of copolymerized styrene,b) from 10 to 90% by weight of a crosslinked styrene polymer which contains at least 0.1% by weight, but less than 2% by weight, of a copolymerized monomer having at least two olefinic double bonds,c) from 1 to 10% by weight, based on the sum of a) and b), of a C.sub.3 - to C.sub.6 -hydrocarbon as blowing agent, and, if desired,d) conventional additives in effective amounts,the mixture of a) and b) having a melt flow index MFI (200.degree. C., 5.0 kp) in accordance with DIN 53 735 of from 1 to 20 [g/10 min].Type: GrantFiled: November 20, 1991Date of Patent: January 5, 1993Assignee: BASF AktiengesellschaftInventors: Hans Hintz, Klaus Hahn, Uwe Guhr, Michael Riethues
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Patent number: 5096931Abstract: An expandable styrene polymer containinga) a styrene polymer,b) from 0.05 to 3% by weight, based on a), of water,c) from 0.001 to 1% by weight, based on a), of a finely divided organic polymer having a water absorption capacity of 10 g/g or more,d) from 0.5 to 8% by weight, based on a), of a C.sub.3 - to C.sub.6 -hydrocarbon, and, if desired,e) conventional additives in effective amounts, have good flow properties and low adhesion during prefoaming.Type: GrantFiled: May 3, 1991Date of Patent: March 17, 1992Assignee: BASF AktiengesellschaftInventors: Dietmar Wittenberg, Klaus Hahn, Uwe Guhr, Hans Hintz, Michael P. O'Callaghan, deceased, Michael Riethues