Patents by Inventor Reinhard Albers
Reinhard Albers 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: 20220306825Abstract: The present invention relates to an insulation body based a hard, fine-cell and open-cell polyurethane/polyisocyanurate foam with a barrier film, and a method for producing same.Type: ApplicationFiled: August 31, 2020Publication date: September 29, 2022Inventors: Marina Reithmeier, Christian Hahn, Reinhard Albers
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Publication number: 20220220304Abstract: The present invention relates to a process for direct production of mixtures of short-chain high-functionality polyoxyalkylene polyols and long-chain low-functionality polyoxyalkylene polyols. The short-chain high-functionality polyoxyalkylene polyol component is obtained by alkylene oxide addition onto high-functionality H-functional starter compounds while the long-chain low-functionality polyoxyalkylene polyol component is correspondingly obtained by alkylene oxide addition onto low-functionality H-functional starter compounds. The invention further relates to the resulting polyoxyalkylene polyols and to the reaction thereof to produce polyurethanes.Type: ApplicationFiled: May 19, 2020Publication date: July 14, 2022Inventors: Klaus Lorenz, Elena Rojo-Wiechel, Elena Frick-Delaittre, Martin Marazita, Reinhard Albers
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Patent number: 11168172Abstract: The invention relates to a process used to produce open-cell and extremely fine-cell PUR/PIR rigid foams, said process using a polyol formulation comprising a specific isocyanate-reactive component, a catalyst component having zerewitinoff-active hydrogens and a cell-opener component.Type: GrantFiled: March 5, 2018Date of Patent: November 9, 2021Assignee: Covestro Deutschland AGInventors: Christian Hahn, Reinhard Albers, Ali-Kasim Anwar, Paul Heinz, Michael Baecker, Marcel Schornstein
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Publication number: 20210339445Abstract: A method for improving the production of a cased device (1), wherein a casing component (2) of the cased device (1) is produced, which production of the casing component (2) comprises injecting a polymer mixture (4) for creating a solid foam interior into a cavity, which cavity is formed by the casing component (2), which injecting is done by an injection apparatus (3) and which injecting is based on injection control data (5) input to the injection apparatus (3), wherein during the injection of the polymer mixture (4) into the cavity forming data (6) for describing the injection process is recorded, wherein after injecting the polymer mixture (4) into the cavity at least one image of the casing component (2) is recorded and wherein based on the forming data (6), the at least one image and the injection control data (5) a prediction model (8) for generating new injection control data (10) for inputting to the injection apparatus (3) is updated.Type: ApplicationFiled: October 11, 2019Publication date: November 4, 2021Inventors: Sairam POTARAJU, Reinhard ALBERS, Andreas LYDING, Michael LOOF
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Publication number: 20210253781Abstract: The invention relates to a one-component reaction system for producing rigid polyurethane foams (also called rigid PUR foams) having improved dimensional stability, to methods for producing same and the use thereof. The invention also relates to the rigid polyurethane foams produced using the one-component reaction system according to the invention.Type: ApplicationFiled: July 8, 2019Publication date: August 19, 2021Inventors: Reinhard Albers, Marion Frommont, Patrick Klasen, Erhard Michels
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Publication number: 20200017624Abstract: The invention relates to a process used to produce open-cell and extremely fine-cell PUR/PIR rigid foams, said process using a polyol formulation comprising a specific isocyanate-reactive component, a catalyst component having zerewitinoff-active hydrogens and a cell-opener component.Type: ApplicationFiled: March 5, 2018Publication date: January 16, 2020Inventors: Christian Hahn, Reinhard Albers, Ali-Kasim Anwar, Paul Heinz, Michael Baecker, Marcel Schornstein
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Publication number: 20190284363Abstract: The invention relates to PUR rigid foams which can be obtained by reacting an organic polyisocyanate component B) in a specified viscosity range with a hydrogen-containing component A) which is reactive to isocyanate groups, at least containing a polyol component, water, and optionally stabilizers, catalysts, and other auxiliary agents and additives, in the presence of suitable propellants and to a method for producing same, having the steps of a) providing a mold, b) introducing the foam-forming reaction mixture of component A), the polyisocyanate component B), and propellants T) into the mold, and c) foaming the reaction mixture.Type: ApplicationFiled: November 24, 2017Publication date: September 19, 2019Inventors: Reinhard Albers, Martin Marazita, Frank Otto
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Publication number: 20180265618Abstract: The invention relates to a method for producing rigid polyurethane-polyisocyanurate (PUR/PIR) foams using partially trimerized isocyanate blends. The invention further relates to the rigid polyurethane-polyisocyanurate foams obtainable by said method and to the use thereof in manufacturing composite elements made of the rigid polyurethane-polyisocyanurate foams and suitable coatings. The invention also relates to the composite elements obtainable thereby.Type: ApplicationFiled: September 15, 2016Publication date: September 20, 2018Applicant: Covestro Deutschland AGInventors: Hans-Detlef Arntz, Reinhard Albers, Patrick Klasen, Ernst Felske
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Patent number: 9950454Abstract: The present invention relates to a method for producing a PUR/PIR foam body, comprising the steps of providing a mold adapted for applying an underpressure to the interior of the mold; introducing a reaction mixture comprising an isocyanate-reactive component A and an isocyanate B into the mold, and applying an underpressure to the interior of the mold, so the underpressure acts on the introduced reaction mixture. The underpressure is applied to the interior of the mold no later than the reaction mixture has started to set in the mold, and the isocyanate index of the reaction mixture is ?300.Type: GrantFiled: July 29, 2013Date of Patent: April 24, 2018Assignee: COVESTRO DEUTSCHLAND AGInventors: Reinhard Albers, Patrick Klasen, Stephanie Vogel
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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: 9758613Abstract: The invention relates to a method for producing foamed molded bodies comprising the steps of A) providing a mold, and B) introducing a foam-forming reaction mixture into the mold under variable pressure of injection, wherein the method is characterized in that the foam-forming reaction mixture has a fiber time of ?20 s to ?60 s.Type: GrantFiled: April 26, 2013Date of Patent: September 12, 2017Assignee: Covestro Deutschland AGInventors: Reinhard Albers, Hans-Guido Wirtz, Michael Loof, Andreas Pielasch
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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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Patent number: 9713886Abstract: A cavity between inner and outer walls of an open-box-shaped mold is filled with a polyurethane reaction mixture, containing an isocyanate and an emulsion of an isocyanate-reactive composition with three polyols and a blowing agent, which is cured to a polyurethane containing polymer. The inner and outer wall are a fixed distance from one another and each wall comprises a bottom and sides. The mixture is fed through an inlet in the bottom of the outer wall. Before filling the cavity, the mold is turned downwards so that the mixture foams upwards, filling the cavity. The three polyols are polyether polyol obtained by adding an epoxy to carbohydrates or difunctional or higher-functional alcohols; polyether polyol obtained by adding an epoxy to an aromatic amine; and polyester polyether polyol obtained by adding an epoxy to the esterification product of an aromatic dicarboxylic acid derivative and a difunctional or higher-functional alcohol.Type: GrantFiled: February 20, 2014Date of Patent: July 25, 2017Assignee: Covestro Deutschland AGInventors: Stephanie Vogel, Reinhard Albers, Michael Loof, Frank Otto
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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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Patent number: 9487616Abstract: An isocyanate-terminated prepolymer C having an NCO content of from ?26% by mass to ?31.0% by mass is obtainable from the reaction of an isocyanate composition A having a viscosity at 25° C. of from ?60 mPas to ?800 mPas, comprising from ?25% by mass to ?60% by mass MDI and from ?40% by mass to ?75% by mass pMDI, wherein the sum of the amounts of those components is ?100% by mass, with a bifunctional polyester ether polyol B having an OH number of ?200 mg(KOH)/g and ?500 mg(KOH)/g, obtained from the reaction of a dicarboxylic acid/dicarboxylic acid derivative with at least one polyol and with an epoxide, wherein the polyester ether polyol B is used in amounts of from ?1.5% by mass to ?6.0% by mass, based on the sum of the masses of A and B. The invention further provides a PUR/PIR polymer produced from the prepolymer C, its use and composite elements based thereon.Type: GrantFiled: July 11, 2011Date of Patent: November 8, 2016Assignee: Covestro Deutschland AGInventors: Hans-Georg Pirkl, Manfred Schmidt, Reinhard Albers, Johannes Braak, Rolf Roers
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Publication number: 20160304657Abstract: The present invention relates to a one-component reaction system for producing hard polyurethane foams, comprising the following constituents: A) an organic polyisocyanate component which is partially or entirely in prepolymer form, B) an isocyanate-reactive component, the functional groups of which are exclusively those having at least one Zerewitinoff-reactive hydrogen atom and optionally having at least one halogen atom, C) at least one stabilizer, D) at least one catalyst suitable for catalysing the reaction of the polyisocyanate component A) with the isocyanate-reactive component B), and E) optionally auxiliaries and additives and blowing agents and co-blowing agents, the reaction system being characterized in that the content of monomeric polyisocyanate is at most 1% by weight, and in that the organic polyisocyanate component A) has an isocyanate content of less than 8% by weight relative to the polyisocyanate component A).Type: ApplicationFiled: December 2, 2014Publication date: October 20, 2016Inventors: Reinhard ALBERS, Stephanie VOGEL, Lutz BRASSAT, Sabine DIPPE, Marion FROMMONT
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Publication number: 20160297917Abstract: Lubricant composition comprising a dicarboxylic acid ester component which is selected from di-isononyladipate and di-(2-ethylhexyl) adipate, and ethylene-propylene copolymer, and a monocarboxylic acids ester.Type: ApplicationFiled: December 2, 2014Publication date: October 13, 2016Inventors: Erhard MICHELS, Reinhard ALBERS, Stephanie VOGEL
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Patent number: 9284401Abstract: The present invention provides a process for the preparation of polyols based on fatty acid esters and starter compounds having Zerewitinoff-active hydrogen atoms and the use thereof for the preparation of polyurethane materials.Type: GrantFiled: March 5, 2007Date of Patent: March 15, 2016Assignees: Bayer MaterialScience LLC, Bayer MaterialScience AGInventors: Klaus Lorenz, Reinhard Albers, Frank Otto, Ulrich Leyrer, Don S. Wardius, Keith J. Headley
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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