Patents by Inventor Andreas Emge
Andreas Emge 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: 20130217795Abstract: The invention relates to particle-comprising polyether alcohols which can be prepared by in-situ polymerization of olefinically unsaturated monomers in a polyether alcohol, wherein the polymerization is carried out in the presence of at least one compound (A) comprising a polyethersiloxane chain on which at least one polyether chain comprising at least one reactive hydrogen atom and a polyether chain comprising at least one olefinic double bond are present.Type: ApplicationFiled: August 21, 2012Publication date: August 22, 2013Applicant: BASF SEInventors: Andreas Emge, Daniel Freidank, Dejan Petrovic, Marta Reinoso Garcia, Stefan Winnig, Markus Schuette
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Publication number: 20130217796Abstract: The invention relates to particle-comprising polyether alcohols which can be prepared by in-situ polymerization of olefinically unsaturated monomers in a polyether alcohol, wherein the polymerization is carried out in the presence of at least one compound (A) comprising a polysiloxane chain to which at least one polyether chain comprising at least one reactive hydrogen atom and a polyether chain comprising at least one olefinic double bond are bonded.Type: ApplicationFiled: August 21, 2012Publication date: August 22, 2013Applicant: BASF SEInventors: Andreas Emge, Daniel Freidank, Dejan Petrovic, Marta Reinoso Garcia, Stefan Winnig, Markus Schuette
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Publication number: 20130072655Abstract: The invention relates to a process for producing polyurethanes by reacting a) polyisocyanates with b) compounds having at least two hydrogen atoms which are reactive toward isocyanate groups, wherein the component b) comprises at least one filler-comprising polyol bi) and at least one thixotrope bii).Type: ApplicationFiled: August 21, 2012Publication date: March 21, 2013Applicant: BASF SEInventors: Andreas EMGE, Markus SCHUETTE, Christian HOLTZE
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Publication number: 20130046037Abstract: The invention relates to particle-comprising polyurethane foams, wherein the particles are incorporated predominantly in the cell walls.Type: ApplicationFiled: August 15, 2012Publication date: February 21, 2013Applicant: BASF SEInventors: Andreas EMGE, Holger Seifert, Daniel Freidank
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Patent number: 8293807Abstract: The invention relates to a process for producing rigid polyurethane foams by reacting a) polyisocyanates with b) compounds having at least two hydrogen atoms which are reactive toward isocyanate groups in the presence of c) blowing agents, wherein at least one graft polyol b1) which can be prepared by in-situ polymerization of olefinically unsaturated monomers in a polyether alcohol b1i), where the polyether alcohol b1i) has a functionality of from 2 to 4 and a hydroxyl number in the range from 100 to 250 mg KOH/g, its polyether chain comprises propylene oxide and up to 20% by weight, based on the polyether alcohol b1i), of ethylene oxide, and acrylonitrile and styrene in a weight ratio of acrylonitrile:styrene of from >1:1 to 4:1 are used as olefinically unsaturated monomers, is used as compounds having at least two hydrogen atoms which are reactive toward isocyanate groups b), and the reaction is carried out in the presence of at least one compound b1ii) which has at least one olefinic double bond anType: GrantFiled: September 6, 2007Date of Patent: October 23, 2012Assignee: BASF AktiengesellschaftInventors: Andreas Emge, Daniel Freidank, Holger Seifert
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Publication number: 20120259030Abstract: The present invention relates to a process for producing polyurethane (PU) rigid foams by reaction of polyisocyanates with compounds having two or more isocyanate-reactive hydrogen atoms in the presence of blowing agents.Type: ApplicationFiled: April 3, 2012Publication date: October 11, 2012Applicant: BASF SEInventors: Andreas KUNST, Marc Fricke, Andreas Emge, Markus Schütte
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Publication number: 20120022179Abstract: The invention relates to a process for producing rigid polyurethane foams by reacting a) polyisocyanates with b) compounds having at least two hydrogen atoms which are reactive toward isocyanate groups in the presence of c) blowing agents, wherein the component b) comprises at least one polyether alcohol bi) prepared by addition of alkylene oxides onto toluenediamine and at least one polyether alcohol bii) prepared by addition of alkylene oxides onto H-functional starter substances comprising oligomeric glycerol.Type: ApplicationFiled: January 12, 2010Publication date: January 26, 2012Applicant: BASF SEInventors: Andreas Emge, Marc Fricke, Roman Prochazka, Holger Seifert, Darijo Mijolovic, Achim Loeffler, Sirus Zarbakhsh
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Publication number: 20110065840Abstract: The present invention relates to a dispersion comprising (i) at least one liquid polymer and (ii) at least one polymer particle mixture comprising at least one meltable solid and at least one copolymer (C), wherein said at least one copolymer (C) is a random copolymer synthesized from at least one ?,?-ethylenically unsaturated monomer and at least one polymerizable polymer of the class of liquid polymers according to (i), to processes for preparing this dispersion, to the use of this dispersion to prepare polyurethanes, and to a process for preparing polyurethanes, in which at least one such dispersion is reacted with at least one polyisocyanate.Type: ApplicationFiled: May 11, 2009Publication date: March 17, 2011Applicant: BASF SEInventors: Daniel Freidank, Andreas Emge, Sonja Judat, Robert Engel, Ingrid Martin, Thomas Danner, Achim Loeffler, Stephan Hess
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Patent number: 7893124Abstract: The invention relates to a process for producing rigid polyurethane foams by reacting a) polyisocyanates with b) compounds having at least two hydrogen atoms which are reactive toward isocyanate groups in the presence of c) blowing agents wherein a mixture of b1) a polyether alcohol which has a functionality of 4 and a hydroxyl number of from 380 to 450 mg KOH/g and a viscosity of greater than 12 000 mPa·s and can be prepared by addition of ethylene oxide and/or propylene oxide onto TDA, b2) a polyether alcohol which has a functionality of from 5 to 7.Type: GrantFiled: September 28, 2005Date of Patent: February 22, 2011Assignee: BASF AktiengesellscaftInventors: Andreas Emge, Holger Seifert, Stefan Dinsch, Johann Klassen, Christian Stelling
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Publication number: 20110021652Abstract: The present invention relates to an open-cell polyurethane foam comprising polyester and polyether structures and having a density of 70 to 300 g/L, 1 to 20 cells/cm, a rebound intensity greater than 30%, an elongation at break of greater than 200%, a tear propagation resistance of greater than 1.2 N/mm and a tensile strength of greater than 200 kPa. The present invention further relates to a process for producing inventive open-cell polyurethane sponges and to the use thereof as a pipe cleaning sponge.Type: ApplicationFiled: March 13, 2009Publication date: January 27, 2011Applicant: BASF SEInventors: Nils Mohmeyer, Ralf Fritz, Annika Habicht, Daniela Tepe, Frank Prissok, Michael Harms, Bernd Bruchmann, Daniel Schoenfelder, Daniel Freidank, Andreas Emge, Andrea Eisenhardt
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Publication number: 20100227939Abstract: The present invention relates to foamed polyurethane obtainable by mixing a) polyisocyanates, b) relatively high molecular weight compounds having groups reactive toward isocyanate groups, c) solid particles, d) blowing agents, e) if appropriate, chain extender, crosslinking agent or mixtures thereof, f) if appropriate, catalyst and g) if appropriate, other additives to give a reaction mixture and allowing the reaction mixture to react to completion, the proportion of chain extender being less than 6% by weight, based on the total weight of the components a) to f), the content of solid particles being greater than 15% by weight, based on the total weight of the components a) to f), and the average functionality of the relatively high molecular weight compounds having groups reactive toward isocyanate groups being less than 2.5.Type: ApplicationFiled: November 13, 2008Publication date: September 9, 2010Applicant: BASF SEInventors: Nils Mohmeyer, Daniel Freidank, Sibylle Schoeps, Andreas Emge, Achim Loeffler, Marco Ortalda
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Publication number: 20100148109Abstract: The invention relates to a xerogel comprising from 30 to 90% by weight of a monomer component (a1) composed of at least one polyfunctional isocyanate and from 10 to 70% by weight of a monomer component (a2) composed of at least one polyfunctional aromatic amine, at least one of which is selected from 4,4?-diaminodiphenylmethane, 2,4?-diaminodiphenylmethane, 2,2?-diaminodiphenylmethane and oligomeric diaminodiphenylmethane, where the sum of the % by weight of monomer components (a1) and (a2) adds up to 100% by weight and where the monomer components are present in polymeric form in the xerogel and the volume-weighted mean pore diameter of the xerogel is at most 5 ?m, The invention further relates to a process for preparing xerogels, to the xerogels thus obtainable and to the use of the xerogels as an insulating material and in vacuum insulation panels.Type: ApplicationFiled: May 16, 2008Publication date: June 17, 2010Applicant: BASF SEInventors: Volker Schädler, Marc Fricke, Werner Wiegmann, Andreas Emge, Vijay Immanuel Raman, Antonio Sanchez-Ferrer
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Publication number: 20090209671Abstract: The invention relates to a process for producing rigid polyurethane foams by reacting a) polyisocyanates with b) compounds having at least two hydrogen atoms which are reactive toward isocyanate groups in the presence of c) blowing agents, wherein at least one graft polyol b1) which can be prepared by in-situ polymerization of olefinically unsaturated monomers in a polyether alcohol b1i), where the polyether alcohol b1i) has a functionality of from 2 to 4 and a hydroxyl number in the range from 100 to 250 mg KOH/g, its polyether chain comprises propylene oxide and up to 20% by weight, based on the polyether alcohol b1i), of ethylene oxide, and acrylonitrile and styrene in a weight ratio of acrylonitrile:styrene of from >1:1 to 4:1 are used as olefinically unsaturated monomers, is used as compounds having at least two hydrogen atoms which are reactive toward isocyanate groups b), and the reaction is carried out in the presence of at least one compound b1ii) which has at least one olefinic double bond anType: ApplicationFiled: September 6, 2007Publication date: August 20, 2009Applicant: BASF SEInventors: Andreas Emge, Daniel Freidank, Holger Seifert
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Publication number: 20070259981Abstract: The invention relates to a process for producing rigid polyurethane foams by reacting a) polyisocyanates with b) compounds having at least hydrogen atoms which are reactive toward isocyanate groups, in the presence of c) blowing agents, wherein the compounds having at least hydrogen atoms which are reactive toward isocyanate groups comprise bi1) at least one polyether alcohol which has been initiated by means of sucrose and/or sorbitol and has a functionality of greater than 4 and a hydroxyl number in the range from 400 to 550 mg KOH/h, bi2) at least one polyether alcohol which has been initiated by means of TDA and has a hydroxyl number in the range from 120 to 240 mg KOH/g and an aromatics content in the range from 6.Type: ApplicationFiled: October 12, 2005Publication date: November 8, 2007Applicant: BASF AktiengelellschaftInventors: Berend Eling, Anja Biedermann, Andreas Emge, Peter Malotki, Seifert Holger
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Publication number: 20070254973Abstract: The invention relates to a process for producing polyurethane foams by reacting a) polyisocyanates with b) compounds having at least two hydrogen atoms which are reactive toward isocyanate groups in the presence of c) catalysts, d) blowing agents, e) if desired, auxiliaries and additives, wherein the compounds having at least two hydrogen atoms which are reactive toward isocyanate groups comprise at least one polar graft polyol.Type: ApplicationFiled: April 2, 2005Publication date: November 1, 2007Applicant: BASF AKTIENGESELLSCHAFTInventors: Andreas Emge, Elke Bleuel, Bernd Zaschke, Holger Seifert, Peter Von Malotki
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Publication number: 20070232712Abstract: The invention relates to a process for producing rigid polyurethane foams by reacting a) polyisocyanates with b) compounds having at least two hydrogen atoms which are reactive toward isocyanate groups in the presence of c) blowing agents wherein a mixture of b1) a polyether alcohol which has a functionality of 4 and a hydroxyl number of from 380 to 450 mg KOH/g and a viscosity of greater than 12 000 mPa·s and can be prepared by addition of ethylene oxide and/or propylene oxide onto TDA, b2) a polyether alcohol which has a functionality of from 5 to 7.Type: ApplicationFiled: September 28, 2005Publication date: October 4, 2007Applicant: Basf AktiengesellschaftInventors: Andreas Emge, Holger Seifert, Stefan Dinsch, Johann Klassen, Christian Stelling
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Publication number: 20060058409Abstract: The invention relates to a process for producing rigid polyurethane foams by reacting a) polyisocyanates with b) compounds having at least two hydrogen atoms reactive toward isocyanate groups, in the presence of c) catalysts, and d) blowing agents, where, among the compounds having at least two hydrogen atoms reactive toward isocyanate groups, there is at least one graft polyol present capable of preparation via in-situ polymerization of ethylenically unsaturated monomers in polyether alcohols.Type: ApplicationFiled: October 6, 2003Publication date: March 16, 2006Inventors: Bernd Zaschke, Andreas Emge, Gottfried Knorr, Peter Malotki, Holger Seifert