Patents by Inventor Torsten Heinemann
Torsten Heinemann 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: 20230264391Abstract: The invention relates to a method for separating waste polyurethane foams, wherein for each polyurethane sample (1) of a supply stream (2) comprising polyurethane samples (1) from waste at least one respective spectrum (3) is recorded, wherein the at least one respective spectrum (3) is recorded by near-infrared spectroscopy, wherein each polyurethane sample (1) of the supply stream (2) is classified by a classification algorithm (5), which classification algorithm (5) is based on machine learning, based on the respective at least one spectrum (3) into a respective class (8a-e) of at least two classes (8a-e), wherein the supply stream (2) comprising polyurethane samples (1) is separated into at least two streams (11a-e) according to the classification into the respective class (8a-e) and wherein each class (8a-e) corresponds to a type of polyurethane. The invention also relates to a system for separating waste polyurethane foams.Type: ApplicationFiled: August 13, 2021Publication date: August 24, 2023Inventors: Sascha Froebel, Torsten Heinemann, Robert Grimm, Katharina Ander, Franz Siegl, Jan Willems, Isabel Verlent, Joke De Geeter
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Patent number: 11279809Abstract: The invention relates to flame-proofed polyurethane hard foam material or polyurethane/polyisocyanurate hard foam material (designated below individually or jointly also as “PUR/PIR hard foam material”) comprising phosphinates (also hypophosphite), and to a method for producing PUR/PIR hard foam materials through the implementation of a reaction mixture containing A1 an isocyanate-reactive component, A2 propellant, A3 catalyst, A4 optionally additive, A5 flame-proofing agent, B an isocyanate component, characterised in that the flame-proofing agent A5 contains a phosphine according to the formula (I)M[(R)2PO2]n, where R=in each case stands for H, C1- to C4-(hydroxy-)alkyl group or benzyl group, M=an element of the main groups 1 to 3, wherein hydrogen is excepted, and n=the number of the main group of M, and the proportion of the phosphine according to the formula (I) is 0.1 to 15 wt %, based on the total mass of components A1 to A5.Type: GrantFiled: August 2, 2019Date of Patent: March 22, 2022Assignee: Covestro Intellectual Property GmbH & Co. KGInventors: Rolf Albach, Torsten Hagen, Torsten Heinemann, Nicole Welsch
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Publication number: 20210309823Abstract: The invention relates to flame-proofed polyurethane hard foam material or polyurethane/polyisocyanurate hard foam material (designated below individually or jointly also as “PUR/PIR hard foam material”) comprising phosphinates (also hypophosphite), and to a method for producing PUR/PIR hard foam materials through the implementation of a reaction mixture containing A1 an isocyanate-reactive component, A2 propellant, A3 catalyst, A4 optionally additive, A5 flame-proofing agent, B an isocyanate component, characterised in that the flame-proofing agent A5 contains a phosphine according to the formula (I)M[(R)2PO2]n, where R=in each case stands for H, C1- to C4-(hydroxy-)alkyl group or benzyl group, M=an element of the main groups 1 to 3, wherein hydrogen is excepted, and n=the number of the main group of M, and the proportion of the phosphine according to the formula (I) is 0.1 to 15 wt %, based on the total mass of components A1 to A5.Type: ApplicationFiled: August 2, 2019Publication date: October 7, 2021Inventors: Rolf Albach, Torsten Hagen, Torsten Heinemann, Nicole Welsch
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Patent number: 9926421Abstract: The present invention is related to a method for the production of polyurethane foam, comprising the steps of: providing an isocyanate-reactive component A comprising a polyol component A1 which further comprises a physical blowing agent T; combining at least the isocyanate-reactive component A and an isocyanate component B, thereby obtaining a polyurethane reaction mixture; providing the polyurethane reaction mixture in a cavity (11); and reducing the pressure within the cavity (11) to a pressure lower than ambient pressure; characterized in that the cavity (11) is ventilated to ambient pressure before the gel time of the polyurethane reaction mixture is reached.Type: GrantFiled: July 26, 2013Date of Patent: March 27, 2018Assignee: COVESTRO DEUTSCHLAND AGInventors: Reinhard Albers, Torsten Heinemann, Stephanie Vogel, Michael Loof, Zhihong Gu, Atsushi Urano, Suk Sangjo, Zhao Shihu
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Patent number: 9718936Abstract: The present invention relates to a process for producing a rigid polyurethane-polyisocyanurate foam C, comprising the step of reacting (i) an isocyanate-terminated prepolymer B with (ii) an activator component A comprising at least one trimerization catalyst A1 and at least one blowing agent A3 in a reaction mixture to form a foam, characterized in that—there is used an isocyanate-terminated prepolymer B obtained from a reaction of an isocyanate B1 having a mean isocyanate functionality of from ?2.3 to ?2.9 with a polyol component B2, and—the activator component A comprises water as the blowing agent A3 in an amount of from ?5 wt. % to ?50 wt. %,—the isocyanate index in the reaction mixture is in a range of from ?400 to ?500, and—the isocyanate content of the prepolymer B is in a range of from ?21 wt. % to ?30 wt. %, based on the total mass of the prepolymer B, and—wherein in the reaction of the prepolymer B and the activator component A a conversion contribution to polyisocyanurate of ?75% is achieved.Type: GrantFiled: February 5, 2013Date of Patent: August 1, 2017Assignee: Covestro Deutschland AGInventors: Stephan Schleiermacher, Patrick Klasen, Reinhard Albers, Stephan Moers, Dirk Steinmeister, Dieter Seidel, Torsten Heinemann, Hans-Detlef Arntz
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Publication number: 20170096539Abstract: The present invention is related to a method for the production of polyurethane foam, comprising the steps of: (1) providing an isocyanate-reactive component A comprising a polyol component A1 which further comprises a physical blowing agent T; (2) combining at least the isocyanate-reactive component A and an isocyanate component B, thereby obtaining a polyurethane reaction mixture; (3) providing the polyurethane reaction mixture in a cavity (11); and (4) reducing the pressure within the cavity (11) to a pressure lower than ambient pressure. The method is characterized in that the cavity (11) is ventilated to ambient pressure before the gel time of the polyurethane reaction mixture is reached.Type: ApplicationFiled: October 24, 2016Publication date: April 6, 2017Inventors: Reinhard Albers, Torsten Heinemann, Stephanie Vogel, Michael Loof, Zhihong Gu, Atsushi Urano, Suk Sangjo, Zhao Shihu
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Publication number: 20150259496Abstract: The present invention is related to a method for the production of polyurethane foam, comprising the steps of: providing an isocyanate-reactive component A comprising a polyol component A1 which comprises a physical blowing agent T; combining at least the isocyanate-reactive component A and an isocyanate component B, thereby obtaining a polyurethane reaction mixture; providing the polyurethane reaction mixture in a cavity (11); and reducing the pressure within the cavity (11) to a pressure lower than ambient pressure; characterized in that the physical blowing agent T is present in the isocyanate-reactive component A in the form of an emulsion with the polyol component A1 constituting the continuous phase and droplets of the physical blowing agent T the dispersed phase of the emulsion, wherein the average size of the droplets of the physical blowing agent T is ?0.1 ?m to ?20 ?m, the droplet size being determined by using an optical microscope operating in bright field transmission mode.Type: ApplicationFiled: July 26, 2013Publication date: September 17, 2015Inventors: Reinhard Albers, Torsten Heinemann, Stephanie Vogel, Michael Loof, Zhihong Gu, Atsushi Urano, Suk Sangjo, Zhao Shihu
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Publication number: 20150197611Abstract: The present invention is related to a method for the production of polyurethane foam, comprising the steps of: providing an isocyanate-reactive component A comprising a polyol component A1 which further comprises a physical blowing agent T; combining at least the isocyanate-reactive component A and an isocyanate component B, thereby obtaining a polyurethane reaction mixture; providing the polyurethane reaction mixture in a cavity (11); and reducing the pressure within the cavity (11) to a pressure lower than ambient pressure; characterized in that the cavity (11) is ventilated to ambient pressure before the gel time of the polyurethane reaction mixture is reached.Type: ApplicationFiled: July 26, 2013Publication date: July 16, 2015Inventors: Reinhard Albers, Torsten Heinemann, Stephanie Vogel, Michael Loof, Zhihong Gu, Atsushi Urano, Suk Sangjo, Zhao Shihu
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Patent number: 8980422Abstract: A polyurethane/polyisocyanurate foam is obtainable from the reaction of A) a polyol component comprising A1) an aromatic polyester polyol, A2) a polyether polyol started on a carbohydrate polyol and A3) a polyether polyol started on ethylene glycol, wherein the total hydroxyl number of the polyol component A) is from ?150 mg KOH/g to ?300 mg KOH/g; with B) a polyisocyanate component, wherein the equivalent ratio of NCO groups to the sum of the hydrogen atoms reactive towards NCO groups is from ?110:100 to ?200:100. This foam has improved adhesion properties to facings and is suitable for the production of composite elements without requiring the use of an additional adhesion promoter.Type: GrantFiled: November 9, 2010Date of Patent: March 17, 2015Assignee: Bayer MaterialScience AGInventors: Rolf Roers, Torsten Heinemann, Maria Dolors Mateu
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Publication number: 20150051301Abstract: The present invention relates to a process for producing a rigid polyurethane-polyisocyanurate foam C, comprising the step of reacting (i) an isocyanate-terminated prepolymer B with (ii) an activator component A comprising at least one trimerisation catalyst A1 and at least one blowing agent A3 in a reaction mixture to form a foam, characterised in that—there is used an isocyanate-terminated prepolymer B obtained from a reaction of an isocyanate B1 having a mean isocyanate functionality of from ?2.3 to ?2.9 with a polyol component B2, and—the activator component A comprises water as the blowing agent A3 in an amount of from ?5 wt. % to ?50 wt. %,—the isocyanate index in the reaction mixture is in a range of from ?400 to ?500, and—the isocyanate content of the prepolymer B is in a range of from ?21 wt. % to ?30 wt. %, based on the total mass of the prepolymer B, and—wherein in the reaction of the prepolymer B and the activator component A a conversion contribution to polyisocyanurate of ?75% is achieved.Type: ApplicationFiled: February 5, 2013Publication date: February 19, 2015Applicant: Bayer Intellectual Property GmbHInventors: Stephan Schleiermacher, Patrick Klasen, Reinhard Albers, Stephan Moers, Dirk Steinmeister, Dieter Seidel, Torsten Heinemann, Hans-Detlef Arntz
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Publication number: 20140323605Abstract: The invention relates to stable emulsions for the production of foams based on isocyanate, at least comprising three polyols A1a, A1b and A1c as well as at least one physical blowing agent T, wherein A1a is a polyether polyol obtained by addition of epoxides to starter compounds selected from carbohydrates and di- or higher-functional alcohols, A1b is a polyether polyol started on an aromatic amine, and A1c is a polyester polyol obtained by esterification of a polycarboxylic acid component and a polyalcohol component, wherein the total amount of aromatic dicarboxylic acid derivatives used in the esterification, calculated on the basis of the free aromatic dicarboxylic acids and based on the total mass of polyalcohol component and polycarboxylic acid component, is less than or equal to 48.5% by mass.Type: ApplicationFiled: August 22, 2012Publication date: October 30, 2014Applicant: Bayer Intellectual Property GmbHInventors: Reinhard Albers, Torsten Heinemann, Stephanie Vogel, Hartmut Nefzger, Frank Otto
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Publication number: 20140213679Abstract: The invention relates to stable emulsions for the production of foams based on isocyanates, comprising at least three polyols A1a, A1b and A1c and at least one physical blowing agent T, wherein A1a is a polyether polyol, obtained by the addition of epoxies to starter compounds selected from carbohydrates and difunctional or higher-functional alcohols, A1b is a polyether polyol started on an aromatic amine and A1c is a polyester polyether polyol, obtained by the addition of epoxies to the esterification product of an aromatic dicarboxylic acid derivative and a difunctional or higher-functional alcohol. The invention further relates to a method for producing foams by reactions of such emulsions with isocyanates and to the foams obtainable in this way and their use for insulating purposes.Type: ApplicationFiled: August 22, 2012Publication date: July 31, 2014Applicant: Bayer Intellectual Property GmbHInventors: Reinhard Albers, Torsten Heinemann, Stephanie Vogel, Thomas Heidelmann, Frank Otto
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Patent number: 8592623Abstract: Polyester polyols are produced from at least one carboxylic acid hydride and diethylene glycol by a process in which the formation of 1,4-dioxane is suppressed. These polyester polyols are useful for producing polyurethane (PUR) and polyisocyanurate (PIR) foams and metal composite elements containing these PUR or PIR foams.Type: GrantFiled: November 3, 2009Date of Patent: November 26, 2013Assignee: Bayer MaterialScience AGInventors: Rolf Roers, Hartmut Nefzger, Erika Bauer, Johannes Van De Braak, Torsten Heinemann, Jürgen Schloβmacher
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Publication number: 20120225279Abstract: A polyurethane/polyisocyanurate foam is obtainable from the reaction of A) a polyol component comprising A1) an aromatic polyester polyol, A2) a polyether polyol started on a carbohydrate polyol and A3) a polyether polyol started on ethylene glycol, wherein the total hydroxyl number of the polyol component A) is from ?150 mg KOH/g to ?300 mg KOH/g; with B) a polyisocyanate component, wherein the equivalent ratio of NCO groups to the sum of the hydrogen atoms reactive towards NCO groups is from ?110:100 to ?200:100. This foam has improved adhesion properties to facings and is suitable for the production of composite elements without requiring the use of an additional adhesion promoter.Type: ApplicationFiled: November 9, 2010Publication date: September 6, 2012Applicant: Bayer Intellectual Property GmbH Creative Campus MonheimInventors: Rolf Roers, Torsten Heinemann, Maria Dolors Mateu
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Publication number: 20120156469Abstract: The invention relates to a method for producing a flameproof polyurethane (PUR) spray foam, especially a rigid PUR spray foam, to a spray foam body so produced and to the use thereof for heat insulation.Type: ApplicationFiled: August 17, 2010Publication date: June 21, 2012Applicant: BAYER MATERIALSCIENCE AGInventors: Stephan Schleiermacher, Torsten Heinemann, Frithjof Hannig, Roger Scholz, Hans-Guido Wirtz, Heike Niederelz
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Publication number: 20110236671Abstract: Polyester polyols are produced from at least one carboxylic acid hydride and diethylene glycol by a process in which the formation of 1,4-dioxane is suppressed. These polyester polyols are useful for producing polyurethane (PUR) and polyisocyanurate (PIR) foams and metal composite elements containing these PUR or PIR foams.Type: ApplicationFiled: November 3, 2009Publication date: September 29, 2011Applicant: BAYER MATERIAL SCIENCE AGInventors: Rolf Roers, Hartmut Nefzger, Erika Bauer, Johannes Van De Braak, Torsten Heinemann, Jürgen Schlossmacher
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Patent number: 7671104Abstract: The invention relates to a process for the production of water-blown, finely cellular rigid foams containing urethane groups and/or isocyanurate groups by the reaction of polyisocyanates with a polyol component in the form of an emulsion. The invention also relates to open-cell polyurethane foams which are foamable in the mould.Type: GrantFiled: May 25, 2004Date of Patent: March 2, 2010Assignee: Bayer MaterialScience AGInventors: Torsten Heinemann, Walter Klän
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Publication number: 20060047011Abstract: PUR/PIR rigid foams based on aliphatic polyester polyols are produced by reacting an organic polyisocyanate with an isocyanate reactive component that includes a polyester polyol containing units derived from (1) adipic acid and (2) at least one of glutaric, succinic and sebacic acid. These foams may be produced spraying. These foams are particularly suitable for use in laminates.Type: ApplicationFiled: August 26, 2005Publication date: March 2, 2006Inventors: Jacqueline Kusan-Bindels, Uwe Kunzel, Hartmut Nefzger, Torsten Heinemann
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Patent number: 6860076Abstract: A covering arrangement for a building has parallel elongate supports and covering parts arranged thereon. The covering parts include a core and, connected thereto, upper covering elements and lower planar covering elements, with the result that a sandwich is formed. The covering parts furthermore have an elongate, striplike form and in the installed position are arranged transversely to supports, extending at least from one support to a neighbouring support. In order to increase the resistance to wind loads, it is proposed that a longitudinal border region of a covering part (16) include a connecting device and the opposite longitudinal border region of a neighbouring covering part has a connecting device complementary thereto, by means of which the two covering parts are firmly connected to each other.Type: GrantFiled: August 24, 2001Date of Patent: March 1, 2005Inventor: Torsten Heinemann
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Publication number: 20050014857Abstract: The invention relates to a process for the production of water-blown, finely cellular rigid foams containing urethane groups and/or isocyanurate groups by the reaction of polyisocyanates with a polyol component in the form of an emulsion. The invention also relates to open-cell polyurethane foams which are foamable in the mould.Type: ApplicationFiled: May 25, 2004Publication date: January 20, 2005Inventors: Torsten Heinemann, Walter Klan