Patents by Inventor Oliver Steffen
Oliver Steffen 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: 11970568Abstract: The present invention relates to a thermoplastic polyurethane (TPU-1) obtained or obtainable by reaction of an isocyanate composition (IZ) comprising MDI with a polyol composition (PZ), wherein the polyol composition (PZ) comprises at least one polyol (P1) and a chain extender (KV1), wherein the polyol (P1) is selected from polytetrahydrofurans having an average molecular weight Mn in the range from 1200 to 2000 g/mol and the chain extender (KV1) is selected from the group consisting of 1,3-propanediol, 1,4-butanediol and 1,6-hexanediol and also to a process for producing a ski shoe or a part of a ski shoe from the thermoplastic polyurethane according to the invention and to the ski shoe or part of a ski shoe per se.Type: GrantFiled: June 5, 2019Date of Patent: April 30, 2024Assignee: BASF SEInventors: Oliver Steffen Henze, Denis Bouvier, Henning Wettach, Fin Lammers
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Publication number: 20240034857Abstract: A composition contains a thermoplastic polyurethane, a first flame retardant (F1) selected from piperazine pyrophosphate and polypiperazine pyrophosphate, and a phosphorus-containing flame retardant (F2) selected from derivatives of phosphinic acid, derivatives of phosphoric acid, and derivatives of phosphoric acid.Type: ApplicationFiled: December 21, 2021Publication date: February 1, 2024Applicant: BASF SEInventors: Oliver Steffen Henze, Oliver Muehren, Tanja Lange, Rebecca Spreen
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Patent number: 11851523Abstract: The present invention relates to thermoplastic polyurethanes obtainable or obtained by a process comprising the reaction of a thermoplastic polyester (PE-1) with a diol (D1) to give a composition (Z1) comprising a polyester (PE-2), and the reaction of the composition (Z1) obtained in step (i) with an isocyanate composition (I1) comprising at least one polyisocyanate, and with a polyol composition (P1), where the polyol composition (P1) comprises at least one polycarbonate polyol (PC1), and also to a process for the production of the thermoplastic polyurethane. The present invention further relates to a composition comprising a thermoplastic polyurethane of the invention and at least one flame retardant.Type: GrantFiled: November 30, 2018Date of Patent: December 26, 2023Assignee: BASF SEInventors: Oliver Steffen Henze, Dirk Kempfert, Oliver Muehren
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Publication number: 20230365783Abstract: A composition contains a thermoplastic polyurethane, a first flame retardant (F1) selected from ammonium phosphate and ammonium polyphosphates, and a phosphorus-containing flame retardant (F2) selected from derivatives of phosphinic acid, derivatives of phosphonic acid, and derivatives of phosphoric acid. The composition according to the present invention is useful for the production of cable sheathings.Type: ApplicationFiled: September 17, 2021Publication date: November 16, 2023Applicant: BASF SEInventors: Oliver Steffen HENZE, Oliver Muehren, Rebecca Spreen, Tanja Lange
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Patent number: 11766089Abstract: A composition contains a thermoplastic polyurethane (TPU-1), obtained or obtainable by reaction of an isocyanate composition (IZ) containing MDI with a polyol composition (PZ), and hollow glass microspheres. The polyol composition (PZ) contains at least one polyol (P1) selected from polytetrahydrofurans having an average molecular weight Mn in the range from 900 to 2,000 g/mol. The polyol composition (PZ) also contains a chain extender (KV1), selected from 1,2-ethandiol, 1,3-propanediol, 1,4-butanediol and 1,6-hexanediol. Ski shoes, preferably ski boots, particularly preferably the outer shell of a ski boot, can be based on such a thermoplastic polyurethane. Corresponding processes can be used for producing ski shoes.Type: GrantFiled: December 4, 2020Date of Patent: September 26, 2023Assignee: BASF SEInventors: Oliver Steffen Henze, Denis Bouvier
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Publication number: 20230250219Abstract: A composition contains thermoplastic polyurethane, which is the reaction product of a pentamethylene diisocyanate, a polycarbonate diol, and a chain extender. The composition is useful for producing articles. A production process for producing a filled composition involves adding glass to the composition. Articles can be derived from the composition and the filled composition.Type: ApplicationFiled: June 7, 2021Publication date: August 10, 2023Applicant: BASF SEInventors: Oliver Steffen HENZE, Dirk Kempfert, Rebecca Spreen, Tanja Lange
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Publication number: 20220363827Abstract: A composition contains at least a copolyamide (PA-1) as a component (I), produced by polymerization of at least one lactam and of a monomer mixture (M) which contains at least a C32-C40 dimer acid and at least a C4-C12 diamine; and a flame retardant (F1) as a component (II). The flame retardant (F1) is selected from melamine cyanurates, magnesium hydroxide, and phosphorus-containing flame retardants. A process can be used for preparing such compositions, and the composition can be used for producing shaped articles.Type: ApplicationFiled: April 29, 2020Publication date: November 17, 2022Applicant: BASF SEInventors: Oliver Steffen Henze, Birte Nitz, Tanja Lange
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Publication number: 20220354213Abstract: A composition contains a thermoplastic polyurethane (TPU-1), obtained or obtainable by reaction of an isocyanate composition (IZ) containing MDI with a polyol composition (PZ), and hollow glass microspheres. The polyol composition (PZ) contains at least one polyol (P1) selected from polytetrahydrofurans having an average molecular weight Mn in the range from 900 to 2,000 g/mol. The polyol composition (PZ) also contains a chain extender (KV1), selected from 1,2-ethandiol, 1,3-propanediol, 1,4-butanediol and 1,6-hexanediol. Ski shoes, preferably ski boots, particularly preferably the outer shell of a ski boot, can be based on such a thermoplastic polyurethane. Corresponding processes can be used for producing ski shoes.Type: ApplicationFiled: December 4, 2020Publication date: November 10, 2022Applicant: BASF SEInventors: Oliver Steffen HENZE, Denis Bouvier
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Patent number: 11492462Abstract: The present invention relates to a flame-retardant composition, a method for preparing the same and an article therefrom. The composition may include at least one thermoplastic polyurethane, at least one primary flame retardant, and at least one metal carbonate particle.Type: GrantFiled: November 2, 2018Date of Patent: November 8, 2022Assignee: BASF SEInventors: Oliver Steffen Henze, Oliver Muehren, Tanja Lange, Birte Nitz, Sabine Moeller, Dirk Rosenbohm
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Publication number: 20220325032Abstract: A composition contains a thermoplastic polyisocyanate polyaddition product and a flame retardant, and essentially contains no melamine cyanuric acid. The polyaddition product is obtained by reacting, a substance reactive with isocyanate, a polyisocyanate, a chain extender, and is eventually in the presence of a catalyst and an additive. The flame retardant contains a phosphinate.Type: ApplicationFiled: June 17, 2022Publication date: October 13, 2022Applicant: BASF SEInventors: Oliver Steffen HENZE, Frank Uhlhorn
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Publication number: 20220271632Abstract: A method for producing a stator for an electrical machine, the stator having a substantially hollow-cylindrical stator core, which has a plurality of grooves spaced apart in a circumferential direction, the method including: providing at least one strip-shaped winding unit having a first winding conductor with a plurality of groove portions running straight in a transverse direction that are mutually parallel; fastening a first end of the winding unit to a lateral surface of a mandrel; winding the winding unit onto the mandrel such that it is bent around the lateral surface of the mandrel spirally; inserting the mandrel, together with the winding unit, into a cavity in the stator core; and unwinding the winding unit from the mandrel with the groove portions of the winding unit being inserted into the grooves of the stator core.Type: ApplicationFiled: June 4, 2020Publication date: August 25, 2022Applicant: Schaeffler Technologies AG & Co. KGInventors: Stefan RIESS, Michael MENHART, Johann OSWALD, Oliver STEFFEN, Johannes GOESSWEIN
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Publication number: 20220213266Abstract: A composition contains at least a thermoplastic polyurethane (TPU-1) and a copolyamide (PA-1), prepared by polymerization of at least one lactam and of a monomer mixture (M). The monomer mixture (M) contains at least a C32-C40 dimer acid as a component (B1), and at least a C4-C12 diamine as a component (B2). A process can be used for preparing such compositions, and the composition can be used for producing shaped articles.Type: ApplicationFiled: April 29, 2020Publication date: July 7, 2022Applicant: BASF SEInventors: Oliver Steffen Henze, Birte Nitz, Tanja Lange
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Patent number: 11267952Abstract: The invention relates to a preparation comprising thermoplastic polyurethane produced at least from the following starting materials: (a) isocyanate, (b) a substance which is reactive toward isocyanate and which preferably comprises (c) chain extender and/or (d) catalyst and, as other starting materials, (e) additional and/or auxiliary substances, which are either added to the thermoplastic polyurethane during the production process and thus are comprised in the thermoplastic polyurethane and/or are comprised in the preparation in addition to the thermoplastic polyurethane, where at least one of the starting materials comprises a phenoxy group or a derivative of the phenoxy group, where the base number of the preparation or of the mixture of the thermoplastic polyurethane comprised in the preparation and of all of the other starting materials present is smaller than 2, and to corresponding production methods and uses.Type: GrantFiled: May 13, 2015Date of Patent: March 8, 2022Assignee: BASF SEInventor: Oliver Steffen Henze
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Publication number: 20220041796Abstract: A composition contains a thermoplastic polyisocyanate polyaddition product and a flame retardant, and essentially contains no melamine cyanuric acid. The polyaddition product is obtained by reacting, a substance reactive with isocyanate, a polyisocyanate, a chain extender, and is eventually in the presence of a catalyst and an additive. The flame retardant contains a phosphinate.Type: ApplicationFiled: March 9, 2020Publication date: February 10, 2022Applicant: BASF SEInventors: Oliver Steffen HENZE, Frank Uhlhorn
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Patent number: 11220590Abstract: The invention relates to a preparation comprising A) thermoplastic polyurethane produced at least from the following starting materials: (a) isocyanate, (b) a substance which is reactive toward isocyanate and which preferably comprises (c) chain extender and/or (d) catalyst and, as other starting materials, (e) additional and/or auxiliary substances, which are either added to the thermoplastic polyurethane during the production process and thus are comprised in the thermoplastic polyurethane, where at least one of the starting materials comprises a phenoxy group or a derivative of the phenoxy group, and the phenol content of the preparation or the sum of the phenol contents of the thermoplastic polyurethane comprised in the preparation and of all of the other starting materials is less than 100 ppm by weight, and also to corresponding production processes and uses.Type: GrantFiled: May 13, 2015Date of Patent: January 11, 2022Assignee: BASF SEInventor: Oliver Steffen Henze
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Patent number: 11155709Abstract: The present invention relates to a method for producing a thermoplastic polyurethane that comprises reacting an isocyanate composition at least comprising 4,4?-diisocyanatodicyclohexylmethane (H12MDI) with a polyol composition (PZ) in the presence of a catalyst composition at least comprising a bismuth-containing compound selected from bismuth (tricarboxylate) catalysts, where the carboxyl radicals independently of one another have 6 to 12 carbon atoms, to give a melt and producing pellets from the resulting melt. The present invention further relates to a thermoplastic polyurethane obtained or obtainable by the method of the invention, and also to the use for producing films, profiles, cable sheathing, and sheathing of LED strips.Type: GrantFiled: October 14, 2016Date of Patent: October 26, 2021Assignee: BASF SEInventors: Oliver Steffen Henze, Dirk Kempfert
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Patent number: 11148484Abstract: The present invention relates to a tire valve, in particular a bicycle tire valve, comprising a tubular stem, where the stem consists of a composition (Z1) comprising a thermoplastic (P1) and comprising a filler (F1), and also to a valve stem for the production of a tire valve, where the valve stem is tubular and consists of a composition (Z1) comprising a thermoplastic (P1) and comprising a filler (F1). The present invention further relates to the use of the valve of the invention for the production of a molding comprising an inflatable tube section, in particular an inner tube for a tire, and also to the use of the valve of the invention for the production of a tubeless bicycle tire.Type: GrantFiled: July 13, 2018Date of Patent: October 19, 2021Assignees: BASF SE, SCHWALBE-RALF BOHLE GMBHInventors: Mark Ottens, Oliver Steffen Henze, Felix Schaefermeier
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Publication number: 20210230349Abstract: The present invention relates to a thermoplastic polyurethane (TPU-1) obtained or obtainable by reaction of an isocyanate composition (IZ) comprising MDI with a polyol composition (PZ), wherein the polyol composition (PZ) comprises at least one polyol (P1) and a chain extender (KV1), wherein the polyol (P1) is selected from polytetrahydrofurans having an average molecular weight Mn in the range from 1200 to 2000 g/mol and the chain extender (KV1) is selected from the group consisting of 1,3-propanediol, 1,4-butanediol and 1,6-hexanediol and also to a process for producing a ski shoe or a part of a ski shoe from the thermoplastic polyurethane according to the invention and to the ski shoe or part of a ski shoe per se.Type: ApplicationFiled: June 5, 2019Publication date: July 29, 2021Applicant: BASF SEInventors: Oliver Steffen HENZE, Denis BOUVIER, Henning WETTACH, Fin LAMMERS
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Publication number: 20210189100Abstract: The present invention relates to compositions comprising at least one thermoplastic polyurethane, a first phosphorus-containing flame retardant (F1) selected from the group consisting of melamine polyphosphates and a further phosphorus-containing flame retardant (F2) selected from the group consisting of derivatives of phosphinic acid, wherein the composition is free from melamine cyanurate, and to the use of such a composition for the production of cable sheathings.Type: ApplicationFiled: June 24, 2019Publication date: June 24, 2021Applicant: BASF SEInventors: Oliver Steffen HENZE, Oliver MUEHREN, Birte NITZ, Tanja LANGE, Sabine MOELLER, Alfons BERTELS
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Publication number: 20210163714Abstract: A composition may include a thermoplastic polyurethane obtained or obtainable by reaction of a polyisocyanate composition with a polyol composition, the polyol composition including at least one polyol, a chain extender, and a chain extender; and a filler. Such a composition may be made and used for producing a shaped body, and a shaped body may include such a composition.Type: ApplicationFiled: July 11, 2019Publication date: June 3, 2021Applicant: BASF SEInventors: Oliver Steffen HENZE, Tanja LANGE, Birte NITZ