Patents by Inventor Thomas Michaelis
Thomas Michaelis 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: 11981095Abstract: The invention relates to a method for producing an at least partially coated object, comprising the step of producing the object from a construction material by means of an additive manufacturing method, the construction material comprising a thermoplastic polyurethane material. Following the production of the object, the method comprises the step of at least partially bringing a preparation into contact with the object, the preparation being selected from: an aqueous polyurethane dispersion; an aqueous dispersion of a polymer comprising OH groups, this dispersion also containing a compound comprising NCO groups; an aqueous preparation of a compound containing NCO groups, but not containing any polymers comprising OH groups; or a combination of at least two thereof. The invention also relates to an at least partially coated object that was obtained by a method according to the invention.Type: GrantFiled: November 22, 2017Date of Patent: May 14, 2024Assignee: Stratasys, Inc.Inventors: Dirk Achten, Thomas Büsgen, Thomas Michaelis, Roland Wagner, Bettina Mettmann, Levent Akbas, Jürgen Hättig, Arnaud Guedou
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Publication number: 20220010167Abstract: The present invention relates to novel coatings which are applied from an aqueous phase to substrates such as plastics, and which are overlaid with other coatings. These coatings are characterized by particularly good adhesive strength, in particular on plastics, and are thus particularly commercial.Type: ApplicationFiled: December 17, 2019Publication date: January 13, 2022Inventors: Thomas Michaelis, Torsten Pohl, Sven Siegemund, Jan Weikard
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Patent number: 10927274Abstract: The present invention relates to an article comprising expanded thermoplastic polyurethane as a substrate and a specific polyurethane urea coating on said substrate, as well as footwear, a process for producing the article and a use of a polyurethane urea dispersion/solution. It has been found that a polyurethane urea coating comprising polycarbonate structural units strongly binds to expanded TPU substrates and maintains the intrinsic properties of the expanded TPU.Type: GrantFiled: June 27, 2018Date of Patent: February 23, 2021Assignee: Covestro Deutschland AGInventors: Rolf Irnich, Thomas Michaelis
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Publication number: 20200362196Abstract: The invention relates to a polyurethane polymer-based aqueous dispersion and a method for preparing the same, a composition comprising the aqueous dispersion, use of the composition, and a coated article. The aqueous dispersion comprises a polyurethane polymer and water, wherein the polyurethane polymer is obtained by reacting a system comprising the following components: an isocyanate compound comprising a pentamethylene diisocyanate, wherein the amount of the pentamethylene diisocyanate is not less than 25 wt. % based on that the amount of the isocyanate compound is 100 wt. %; a polymer polyol having a number average molecular weight of not less than 400 g/mol, wherein the polymer polyol comprises a carbon dioxide-derived polyether carbonate polyol, the amount of which is not less than 40 wt. % based on that the amount of the polymer polyol is 100 wt.Type: ApplicationFiled: December 27, 2018Publication date: November 19, 2020Inventors: Zhirong Fan, Su Juan Zhai, Evgeny Avtomonov, Hans Georg Grablowitz, Thomas Michaelis
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Patent number: 10806208Abstract: The invention relates to a method for producing a three-dimensional object, the outer surface of which has at least one surface section that is generated in that, by means of an additive production method (layer-building forming method), initially a surface section is produced on a flat base plate (5) in two-dimensional form, comprising the following steps: I) applying at least one curable polymer or curable reaction resin with a respective elastic modulus according to DIN 53504 (effective: 18 Apr.Type: GrantFiled: April 21, 2016Date of Patent: October 20, 2020Assignee: Covestro Deutschland AGInventors: Thomas Büsgen, Dirk Achten, Nicolas Degiorgio, Roland Wagner, Thomas Michaelis, Maria Elisabeth Beenen-Fuchs
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Patent number: 10358575Abstract: The invention relates to a method for coating textiles and/or leather, comprising applying at least one polyurethane urea dissolved in a solvent or solvent mixture, wherein the solvent consists of one or more monohydroxy-functional alcohols, or a solvent mixture consisting of organic solvents, containing >80 wt. % of at least one monohydroxy-functional alcohol in relation to the total mass of the solvent mixture is used, and wherein the polyurethane urea is formed by: a) at least one araliphatic, aliphatic and/or cycloaliphatic diisocyanate; b) at least one polyether polyol having a number average molecular weight Mn?400 and ?6000 g/mol and an average hydroxyl functionality of ?1.5 and ?4; c) at least one amino-functional compound having at least two isocyanate reactive amino groups; and optionally other components.Type: GrantFiled: March 26, 2015Date of Patent: July 23, 2019Assignee: Covestro Deutschland AGInventors: Sebastian Dörr, Sophie Viala, Thomas Michaelis
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Patent number: 10233279Abstract: The present invention relates to novel aqueous polyurethane dispersions produced using at least two poly(tetramethylene glycol) polyether polyols with different average molar masses and at least two different polyisocyanate components.Type: GrantFiled: June 1, 2010Date of Patent: March 19, 2019Assignee: Covestro-Deutschland AGInventors: Sebastian Dörr, Hans Georg Grablowitz, Thomas Feller, Thomas Michaelis
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Publication number: 20180104922Abstract: The invention relates to a method for producing a three-dimensional object, the outer surface of which has at least one surface section that is generated in that, by means of an additive production method (layer-building forming method), initially a surface section is produced on a flat base plate (5) in two-dimensional form, comprising the following steps: I) applying at least one curable polymer or curable reaction resin with a respective elastic modulus according to DIN 53504 (effective: 18 Apr.Type: ApplicationFiled: April 21, 2016Publication date: April 19, 2018Inventors: Thomas Büsgen, Dirk Achten, Nicolas Degiorgio, Roland Wagner, Thomas Michaelis, Maria Elisabeth Beenen-Fuchs
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Patent number: 9783701Abstract: An aqueous polyurethane dispersion comprises a polyurethane polymer obtainable by the reaction of an isocyanate-functional polyurethane prepolymer A) with an isocyanate-reactive component B), wherein the isocyanate-functional prepolymer A) is obtainable by the reaction of a mixture comprising: a polyol component comprising a polyester polyol obtainable by the reaction of a mixture comprising an aliphatic dicarboxylic acid and at least one diol selected from the group consisting of linear aliphatic diols and a branched aliphatic diols; and a polyisocyanate component comprising ?50 weight-%, based on the total weight of polyisocyanates, of dicyclohexylmethane diisocyanate. The isocyanate-reactive component B) comprises a compound comprising sulfonate groups which is employed in an amount of ?3.5 weight-% to ?10 weight-%, based on the total weight of the polyol component, the polyisocyanate component and the isocyanate-reactive component B).Type: GrantFiled: September 11, 2012Date of Patent: October 10, 2017Assignee: Covestro Deutschland AGInventors: Sebastian Dörr, Hans Georg Grablowitz, Sophie Viala, Thomas Feller, Thomas Michaelis
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Publication number: 20170226376Abstract: The invention relates to a method for coating textiles and/or leather, comprising applying at least one polyurethane urea dissolved in a solvent or solvent mixture, wherein the solvent consists of one or more monohydroxy-functional alcohols, or a solvent mixture consisting of organic solvents, containing >80 wt. % of at least one monohydroxy-functional alcohol in relation to the total mass of the solvent mixture is used, and wherein the polyurethane urea is formed by: a) at least one araliphatic, aliphatic and/or cycloaliphatic diisocyanate; b) at least one polyether polyol having a number average molecular weight Mn?400 and ?6000 g/mol and an average hydroxyl functionality of ?1.5 and ?4; c) at least one amino-functional compound having at least two isocyanate reactive amino groups; and optionally other components.Type: ApplicationFiled: March 26, 2015Publication date: August 10, 2017Inventors: Sebastian Dörr, Sophie Viala, Thomas Michaelis
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Patent number: 9404020Abstract: The present invention relates to an aqueous blocked polyurethaneurea dispersion which is obtainable by reacting at least one polyisocyanate, one blocking agent for isocyanate groups, one polyamine having at least one carboxyl and/or carboxylate group, and water. Additionally provided by the invention are a coating composition comprising the aqueous blocked polyurethaneurea dispersion, the use of the aqueous blocked polyurethaneurea dispersion or of the coating composition for producing a coating, a coating obtainable using the aqueous blocked polyurethaneurea dispersion or the coating composition, and a method for producing the aqueous blocked polyurethaneurea dispersion.Type: GrantFiled: May 22, 2013Date of Patent: August 2, 2016Assignee: Covestro Deutschland AGInventors: Hans-Georg Grablowitz, Thomas Feller, Thomas Michaelis, Tanja Hebestreit, Ingo Gipperich
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Patent number: 9321893Abstract: The present invention relates to a process for the production of radiation-cured foams, characterized in that the radiation-cured foams are produced by 1) foaming of an aqueous composition A), 2) thermal drying of the foam produced from step 1), 3) curing of the foam by actinic radiation, the radiation-curable aqueous compositions A), the radiation-cured foams produced by the process according to the invention and the use of the radiation-cured foams for coating substrates.Type: GrantFiled: March 4, 2011Date of Patent: April 26, 2016Assignee: Covestro Deutschland AGInventors: Stefan Sommer, Jan Weikard, Holger Casselmann, Thomas Michaelis, Erhard Lühmann
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Publication number: 20150204012Abstract: The invention relates to new, hydrolysis-stable, aqueous polyurethane-polyurea dispersions based on polycarbonate-polyols, to a process for preparing them and to their use in coating materials.Type: ApplicationFiled: January 22, 2015Publication date: July 23, 2015Inventors: Lyubov Gindin, Peter Schmitt, Ronald Konitsney, William Corso, Thorsten Rische, Thomas Feller, Thomas Michaelis
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Patent number: 9048971Abstract: A first optical data signal is transmitted on a first data carrier from a first network element. First service information is transmitted from a first service by means of a first optical service signal on a first service carrier. A second optical data signal is transmitted on a second data carrier from a second network element, and second service information is transmitted by a second optical service signal on a second service carrier. An offset between a frequency of the first data carrier and a frequency of the first service carrier is substantially equal to an offset between a frequency of the second data carrier and a frequency of the second service carrier.Type: GrantFiled: December 2, 2011Date of Patent: June 2, 2015Assignee: Xieon Networks S.a.r.l.Inventors: Stefano Calabro, Thomas Michaelis
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Publication number: 20150141573Abstract: The present invention relates to an aqueous blocked polyurethaneurea dispersion which is obtainable by reacting at least one polyisocyanate, one blocking agent for isocyanate groups, one polyamine having at least one carboxyl and/or carboxylate group, and water. Additionally provided by the invention are a coating composition comprising the aqueous blocked polyurethaneurea dispersion, the use of the aqueous blocked polyurethaneurea dispersion or of the coating composition for producing a coating, a coating obtainable using the aqueous blocked polyurethaneurea dispersion or the coating composition, and a method for producing the aqueous blocked polyurethaneurea dispersion.Type: ApplicationFiled: May 22, 2013Publication date: May 21, 2015Inventors: Hans-Georg Grablowitz, Thomas Feller, Thomas Michaelis, Tanja Hebestreit, Ingo Gipperich
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Publication number: 20140342624Abstract: Aqueous polyurethane dispersion for waterproof breathable coatings An aqueous polyurethane dispersion comprises a polyurethane polymer obtainable by the reaction of an isocyanate-functional polyurethane prepolymer A) with an isocyanate-reactive component B), wherein the isocyanate-functional prepolymer A) is obtainable by the reaction of a mixture comprising: a polyol component comprising a polyester polyol obtainable by the reaction of a mixture comprising an aliphatic dicarboxylic acid and at least one diol selected from the group consisting of linear aliphatic diols and a branched aliphatic diols; and a polyisocyanate component comprising ?50 weight-%, based on the total weight of polyisocyanates, of dicyclohexylmethane diisocyanate. The isocyanate-reactive component B) comprises a compound comprising sulfonate groups which is employed in an amount of ?3.5 weight-% to ?10 weight-%, based on the total weight of the polyol component, the polyisocyanate component and the isocyanate-reactive component B).Type: ApplicationFiled: September 11, 2012Publication date: November 20, 2014Applicant: Bayer Intellectual Property GmbH Creative Campus MonheimInventors: Sebastian Dörr, Hans Georg Grablowitz, Sophie Viala, Thomas Feller, Thomas Michaelis
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Publication number: 20140249266Abstract: The present invention relates to aqueous polyurethane urea dispersions based on polyester polyols, which dispersions result in low emissions and are used as coating compositions.Type: ApplicationFiled: March 28, 2012Publication date: September 4, 2014Applicant: Bayer Intellectual Property GmbHInventors: Hans Georg Grablowitz, Thomas Feller, Thomas Michaelis, Evgeny Avtomonov
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Patent number: 8513334Abstract: The present invention relates to aqueous polyurethane urea dispersions having integral functional groups and coating agents produced therefrom, to a method for the production thereof, and to the use thereof for producing coating agents.Type: GrantFiled: February 10, 2010Date of Patent: August 20, 2013Assignee: Bayer Materialscience AGInventors: Hans Georg Grablowitz, Thomas Feller, Thomas Michaelis
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Publication number: 20120329895Abstract: The present invention relates to a process for the production of radiation-cured foams, characterized in that the radiation-cured foams are produced by 1) foaming of an aqueous composition A), 2) thermal drying of the foam produced from step 1), 3) curing of the foam by actinic radiation, the radiation-curable aqueous compositions A), the radiation-cured foams produced by the process according to the invention and the use of the radiation-cured foams for coating substrates.Type: ApplicationFiled: March 4, 2011Publication date: December 27, 2012Applicant: Bayer Intellectual Property GmbHInventors: Stefan Sommer, Jan Weikard, Holger Casselmann, Thomas Michaelis, Erhard Lühmann
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Patent number: 8334698Abstract: A sample holding device, adapted for holding a sample, like a rodent or an MR phantom sample in a magnet bore of a magnetic resonance tomography (MRT) device, comprises a sample carrier being adapted for an arrangement in the bore of the MRT device, wherein the sample carrier comprises a carrier platform for accommodating the sample and at least one clamping part with radial locking pieces being adapted for fixing the sample carrier in a hollow enclosure structure, wherein the at least one clamping part is connected with the carrier platform. Furthermore, an MRT device and a method of MRT imaging of a sample are described.Type: GrantFiled: August 1, 2007Date of Patent: December 18, 2012Assignees: Max-Planck-Gesellschaft zur Forderung der Wissenschaften e.V., Biomedizinische NMR Forschungs GmbHInventors: Roland Tammer, Susann Boretius, Thomas Michaelis, Andreas Pucher-Diehl