Patents by Inventor Steffen Henze
Steffen Henze 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: 20150284537Abstract: The present invention relates to compositions comprising at least one thermoplastic polyurethane, at least one metal hydroxide, and at least one phosphorus-containing flame retardant, where the thermoplastic polyurethane is a thermoplastic polyurethane based on at least one diisocyanate and on at least one polycarbonatediol. The present invention further relates to the use of compositions of this type for producing cable sheathing.Type: ApplicationFiled: June 21, 2013Publication date: October 8, 2015Inventors: Oliver Steffen Henze, Oliver Muehren, Alfons Bertels, Sabine Conrad
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Publication number: 20150284536Abstract: The present invention relates to a flame-retardant mixture comprising (A) at least one polyurethane as component A, (B) at least one flame retardant selected from the group consisting of tallow, ammonium phosphate, ammonium polyphosphate, calcium carbonate, antimony oxide, zinc borate, clay, montmorillonite clay, metal oxides, metal hydroxides, organic phosphinate compounds, organic phosphate compounds, polyhydric alcohols, melamine compounds, chlorinated polyethylene, and mixtures thereof, as component B, and (C) at least one crosslinking reagent as component C, where the at least one crosslinking reagent is at least one isocyanate dissolved in at least one polyurethane, and also to a process for the production of a flame-retardant polyurethane, to the resultant flame-retardant polyurethane, and also to the use of a solution of at least one isocyanate in at least one polyurethane in the production of a flame-retardant polyurethane for increasing the mechanical stability of flame-retardant polyurethanes.Type: ApplicationFiled: March 11, 2015Publication date: October 8, 2015Applicant: BASF SEInventors: Oliver Steffen HENZE, Marc Hansen, Katja Hackmann, Dietmar Meier, Christian Beckmann, Oliver Muehren
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Publication number: 20150274958Abstract: The present invention relates to compositions comprising at least one thermoplastic polyurethane and at least one poly(meth)acrylate, where the at least one thermoplastic polyurethane is a polyurethane based on hexamethylene 1,6-diisocyanate (HDI), on at least one diol, and on at least one chain extender, selected from the group consisting of ethylene 1,2-glycol, 1,2-propanediol, 1,3-propanediol, 1,4-butanediol, 2,3-butanediol, 1,5-pentanediol, 1,6-hexanediol, diethylene glycol, dipropylene glycol, 1,4-cyclohexanediol, 1,4-dimethanolcyclohexane, and neopentyl glycol. The present invention further relates to moldings comprising the compositions of the invention, and also to the use of the compositions of the invention for producing a foil and for coating a molding.Type: ApplicationFiled: October 14, 2013Publication date: October 1, 2015Applicant: BASF SEInventors: Oliver Steffen Henze, Frank Uhlhorn, Alfons Bertels, Anja Oltmanns, Marc Hansen
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Patent number: 9097835Abstract: The invention relates to thermoplastic polyurethanes (hereinafter TPUs) suitable for the production of optical conductors, to a process for their production, and also to optical conductors based on TPUs.Type: GrantFiled: December 16, 2009Date of Patent: August 4, 2015Assignee: BASF SEInventors: Frank Prissok, Joern Duwenhorst, Oliver Steffen Henze, Oliver Muehren
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Publication number: 20150166769Abstract: The present invention relates to compositions comprising at least one thermo-plastic polyurethane, at least one metal hydroxide, and at least one phosphorus-containing flame retardant, where the thermoplastic polyurethane is a thermo-plastic polyurethane based on at least one diisocyanate and on at least one polyesterdiol, and has a weight-average molar mass in the range from 50 000 g/mol to 200 000 g/mol, measured by means of GPC. The present invention further relates to the use of compositions of this type for producing cable sheathing.Type: ApplicationFiled: July 26, 2013Publication date: June 18, 2015Applicant: BASF SEInventors: Oliver Steffen Henze, Oliver Muehren, Alfons Bertels, Sabine Conrad
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Patent number: 8822624Abstract: A thermoplastic polyurethane is obtainable via reaction of the following components A, B, C, and, if appropriate, D and E (e) at least one aliphatic, organic diisocyanate, as component A, (f) at least one compound which is reactive toward component A and which has a weight-average molar mass of from 500 to 10 000 g/mol, as component B, (g) a mixture composed of alkanediols as chain extenders, comprising from 60 to 85 mol % of 1,6-hexanediol as main chain extender C1 and from 15 to 40 mol % of 1,3-propanediol as co-chain extender C2, as component C, (h) at least one catalyst, as component D, (i) conventional additives as component E.Type: GrantFiled: February 19, 2009Date of Patent: September 2, 2014Assignee: BASF SEInventors: Oliver Steffen Henze, Stephan Friederichs, Ruediger Krech, Katja Hackmann, Marc Hansen
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Patent number: 8759411Abstract: The use of at least one diphosphine of formula (I), wherein X is S or O; n is 0 or 1; R1, R2, R3, R4 are independently C1-C10-alkyl, C1-C10-hydroxyalkyl, C1-C10-alkoxy, C1-C10-hydroxyalkoxy, C3-C10-cycloalkyl, C3-C10-cycloalkoxy, C6-C10-aryl, C6-C10-aryloxy, C6-C10-aryl-C1-C4-alkyl, C6-C10-aryl-C1-C4-alkoxy, C6-C10-hydroxy-aryl, C6-C10-hydroxy-aryloxy, C1-C10-thioalkyl, C6-C10-thioaryl or C1-C4-thioalkyl-C6-C10-aryl, NR5R6, COR2, COOR5 or CONR5R6; R5, R6 are H, C1-C10-alkyl, C3-C10-cycloalkyl, C6-C10-aryl or C6-C10-aryl-C1-C4-alkyl; as a flame retardant in a polyurethane material is provided.Type: GrantFiled: January 31, 2011Date of Patent: June 24, 2014Assignee: BASF SEInventors: Marco Balbo Block, Jens Ferbitz, Oliver Steffen Henze, Christoph Fleckenstein, Klemens Massonne
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Publication number: 20140094571Abstract: The invention relates to polyurethanes based on a thermoplastic polyurethane and an isocyanate concentrate having a functionality greater than 2 and less than 10 added to the thermoplastic polyurethane, wherein the hard phase content of the thermoplastic polyurethane is in the range from 0% to 5% and the isocyanate concentrate is added in an amount of at least 2% by weight based on the polyurethane PU-1.Type: ApplicationFiled: December 2, 2013Publication date: April 3, 2014Applicant: BASF SEInventors: Marine BOUDOU, Frank PRISSOK, Oliver Steffen HENZE, Alfons BERTELS
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Patent number: 8541535Abstract: The invention relates to a thermoplastic polyurethane comprising the following structural unit: R2—CO—NH—R—Si(R1)3-x(OR1)x where: R is an aliphatic, araliphatic, or aromatic organic radical having from 1 to 20 hydrocarbon atoms, R1 is an alkyl radical or aryl radical having from 1 to 10 carbon atoms, R2 is —NR3—CO—R4 or —O—R5—O—, R3 is a section of the polymer chain of the thermoplastic polyurethane, in particular a radical which derives from the diisocyanate used to prepare the thermoplastic polyurethane, R4 is a section of the polymer chain of the thermoplastic polyurethane, in particular a radical which derives from the following compounds used to prepare the thermoplastic polyurethane: compounds (b) reactive toward isocyanates, or from the chain extender (c), R5 is an alkylene radical having from 2 to 8 carbon atoms, preferably from 3 to 6 carbon atoms, and x is 1, 2 or 3.Type: GrantFiled: March 15, 2010Date of Patent: September 24, 2013Assignee: BASF AktiengesellschaftInventors: Oliver Steffen Henze, Sabine Peters, Johann-Diedrich Brand, Christa Hackl, Markus Kraemer, Klaus Hilmer
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Publication number: 20130245169Abstract: The invention relates to a flame-retardant thermoplastic polyurethane based on at least one diisocyanate and on at least one substance reactive toward isocyanate, and preferably on at least one chain extender, and also optionally on at least one catalyst, and comprising at least one flame retardant, and also optionally additives and/or auxiliaries, where one flame retardant is a metal hydroxide at least to some extent surrounded by a coating, the material comprises, as further flame retardant, at least one phosphorus-containing flame retardant which is a derivative of phosphoric acid, phosphonic acid, and/or phosphinic acid and the material further comprises hydrotalcite and/or phyllosilicate, and also to an associated production process and the use.Type: ApplicationFiled: March 13, 2013Publication date: September 19, 2013Applicant: BASF SEInventors: Oliver Steffen HENZE, Oliver Muehren, Alfons Bertels, Sabine Conrad, Thomas Flug, Hans Rudolph, Christian Beckmann, Dietmar Meier
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Publication number: 20130245170Abstract: The invention relates to a flame-retardant thermoplastic polyurethane based on at least one diisocyanate and on at least one substance reactive toward isocyanate, and preferably on at least one chain extender, and also optionally on at least one catalyst, and comprising at least one flame retardant, and also optionally additives and/or auxiliaries, where one flame retardant is a metal hydroxide at least to some extent surrounded by a coating, and the metal hydroxide is aluminum hydroxide, aluminum oxide hydroxide, or a mixture of said hydroxides, and also to an associated production process and use.Type: ApplicationFiled: March 12, 2013Publication date: September 19, 2013Applicant: BASF SEInventors: Oliver Steffen HENZE, Oliver Muehren, Alfons Bertels, Sabine Conrad, Thomas Flug, Hans Rudolph, Christian Beckmann, Dietmar Meier
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Patent number: 8507633Abstract: A process for the preparation of thermoplastic polyurethane by reacting (a) isocyanates with (b) compounds reactive toward isocyanates and having a molecular weight (Mw) of from 500 to 10 000 g/mol and (c) chain extenders having a molecular weight of from 50 to 499 g/mol, if appropriate in the presence of (d) catalysts and/or (e) conventional additives, wherein the chain extender mixture consisting of a main chain extender (c1) and one or more co-chain extenders (c2) is used and the thermoplastic polyurethane prepared has a rigid phase fraction of greater than 0.40, the rigid phase fraction being defined by the following formula: rigid ? ? phase ? ? fraction = { ? x = 1 k ? [ ( m KVx / M KVx ) * M Iso + m KVx ] } / m ges with the following meanings: MKVx: molar mass of the chain extender x in g/mol mKVx: mass of the chain extender x in g MIso: molar mass of the isocyanate used in g/mol mges: total mass of all starting materials in g k: number of chain extenders.Type: GrantFiled: April 11, 2007Date of Patent: August 13, 2013Assignee: BASF AktiengesellschaftInventors: Oliver Steffen Henze, Ruediger Krech, Frank Prissok, Karin Scheffer, Frank Schaefer, Heinrich Niermann
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Patent number: 8318868Abstract: Thermoplastic polyurethane (i) comprising from 20% by weight to 70% by weight of isocyanate dissolved in the thermoplastic polyurethane, based on the total weight of the thermoplastic polyurethane (i) comprising the isocyanates.Type: GrantFiled: April 22, 2011Date of Patent: November 27, 2012Assignee: BASF AktiengesellschaftInventors: Oliver Steffen Henze, Rolf Steinberger, Ruediger Krech, Norbert Pohlmann, Christian Beckmann, Joern Duwenhorst
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Publication number: 20120088889Abstract: The invention relates to polyurethanes based on a thermoplastic polyurethane and an isocyanate concentrate having a functionality greater than 2 and less than 10 added to the thermoplastic polyurethane, wherein the hard phase content of the thermoplastic polyurethane is in the range from 0% to 5% and the isocyanate concentrate is added in an amount of at least 2% by weight based on the polyurethane PU-1.Type: ApplicationFiled: June 22, 2010Publication date: April 12, 2012Applicant: BASF SEInventors: Marine Boudou, Frank Prissok, Oliver Steffen Henze, Alfons Bertels
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Publication number: 20110275779Abstract: The invention relates to thermoplastic polyurethanes (hereinafter TPUs) suitable for the production of optical conductors, to a process for their production, and also to optical conductors based on TPUs.Type: ApplicationFiled: December 16, 2009Publication date: November 10, 2011Applicant: BASF SEInventors: Frank Prissok, Joern Duwenhorst, Oliver Steffen Henze, Oliver Muehren
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Publication number: 20110245449Abstract: The invention relates to an improved method of melt adhesive bonding on the basis of a thermoplastic polyurethane using a thermoplastic polyurethane (TPU) obtainable from essentially a symmetrical aliphatic diisocyanate A and at least one isocyanate-reactive compound B comprising hydroxyl and/or amino groups as an adhesive, wherein the number-average molecular weight (Mn) of compound B is at least 2200 g/mol, with the proviso that it is at least 950 g/mol if compound B is a sebacic ester, diisocyanate A and at least one isocyanate-reactive compound B are reacted in the presence of a catalyst for the polyaddition reaction, the TPU comprises no chain extender, the TPU has an index IN of less than 1000, preferably of less than 990, and more preferably of less than 980, and melt adhesive bonding by the TPU in melt state takes place at a temperature from 50° C. to 160° C. in the absence of solvents, and to substrates bonded therewith.Type: ApplicationFiled: March 28, 2011Publication date: October 6, 2011Applicant: BASF SEInventors: Marine BOUDOU, Oliver Steffen Henze, Dirk Kempfert
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Publication number: 20110193256Abstract: Thermoplastic polyurethane (i) comprising from 20% by weight to 70% by weight of isocyanate dissolved in the thermoplastic polyurethane, based on the total weight of the thermoplastic polyurethane (i) comprising the isocyanates.Type: ApplicationFiled: April 22, 2011Publication date: August 11, 2011Applicant: BASF AktiengesellschaftInventors: Oliver Steffen Henze, Rolf Steinberger, Rüdiger Krech, Norbert Pohlmann, Christian Beckmann, Jörn Duwenhorst
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Publication number: 20110190407Abstract: The use of at least one diphosphine of formula (I), wherein X is S or O; n is 0 or 1; R1, R2, R3, R4 are independently C1-C10-alkyl, C1-C10-hydroxyalkyl, C1-C10-alkoxy, C1-C10-hydroxyalkoxy, C3-C10-cycloalkyl, C3-C10-cycloalkoxy, C6-C10-aryl, C6-C10-aryloxy, C6-C10-aryl-C1-C4-alkyl, C6-C10-aryl-C1-C4-alkoxy, C6-C10-hydroxy-aryl, C6-C10-hydroxy-aryloxy, C1-C10-thioalkyl, C6-C10-thioaryl or C1-C4-thioalkyl-C6-C10-aryl, NR5R6, COR2, COOR5 or CONR5R6; R5, R6 are H, C1-C10-alkyl, C3-C10-cycloalkyl, C6-C10-aryl or C6-C10-aryl-C1-C4-alkyl; as a flame retardant in a polyurethane material is provided.Type: ApplicationFiled: January 31, 2011Publication date: August 4, 2011Applicant: BASF SEInventors: Marco Balbo Block, Jens Ferbitz, Oliver Steffen Henze, Christoph Fleckenstein, Klemens Massonne
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Patent number: 7915372Abstract: Thermoplastic polyurethane comprising the reaction product of an isocyanate (a) with a compound (i) having at least one group which is reactive toward isocyanates and also at least two organosilicon groups.Type: GrantFiled: August 4, 2005Date of Patent: March 29, 2011Assignee: BASF AktiengesellschaftInventors: Oliver Steffen Henze, Sabine Peters
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Publication number: 20110003961Abstract: A thermoplastic polyurethane is obtainable via reaction of the following components A, B, C, and, if appropriate, D and E (e) at least one aliphatic, organic diisocyanate, as component A, (f) at least one compound which is reactive toward component A and which has a weight-average molar mass of from 500 to 10 000 g/mol, as component B, (g) a mixture composed of alkanediols as chain extenders, comprising from 60 to 85 mol % of 1,6-hexanediol as main chain extender C1 and from 15 to 40 mol % of 1,3-propanediol as co-chain extender C2, as component C, (h) at least one catalyst, as component D, (i) conventional additives as component E.Type: ApplicationFiled: February 19, 2009Publication date: January 6, 2011Applicant: Base SEInventors: Oliver Steffen Henze, Stephan Friederichs, Ruediger Krech, Katja Hackmann, Marc Hansen