Patents by Inventor Christian Lustig
Christian Lustig 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: 20230158562Abstract: The present invention describes the use of a coating composition, comprising an aqueous phase having a pH of at most 5 and one or more refractories, in the foundry industry and also coated, waterglass-bound foundry molding elements, especially foundry molds and/or foundry cores, which each comprise such an aforementioned coating composition. The invention further describes a method for producing a coated, waterglass-bound foundry molding element. The invention likewise describes a kit whose contents include an aforementioned coating composition, comprising aqueous acid and one or more refractories.Type: ApplicationFiled: December 20, 2017Publication date: May 25, 2023Applicant: HÜTTENES-ALBERTUS CHEMISCHE WERKE GESELLSCHAFT MIT BESCHRÄNKTER HAFTUNGInventors: Sabrina Maria ANDERTEN, Klaus SEEGER, Christian LUSTIG, Paolo Adriano FELTRIN
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Publication number: 20230085809Abstract: The present invention describes a coating composition for the foundry industry, for use in the foundry, in particular comprising certain organic ester compounds of a formula (I) and particulate, amorphous silicon dioxide (SiO2); and also coated foundry molding elements, especially foundry molds and/or foundry cores, which each comprise a coating composition of the invention. The invention further describes the use of a coating composition of the invention for producing a coating on a foundry molding element and a method for producing a foundry molding element coated with a water-containing refractory coating. The invention likewise describes a kit whose contents include a coating composition of the invention.Type: ApplicationFiled: December 19, 2017Publication date: March 23, 2023Applicant: HÜTTENES-ALBERTUS CHEMISCHE WERKE GESELLSCHAFT MIT BESCHRÄNKTER HAFTUNGInventors: Andreas JATTKE, Christian LUSTIG, Sabrina Maria ANDERTEN, Klaus SEEGER
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Publication number: 20230001470Abstract: What are described are the use of a refractory coating composition for production of cores for diecasting, a kit for production of cores for use in diecasting, a method of producing cores for use in diecasting, cores for use in diecasting, and the use of such cores in diecasting, especially of lightweight metalsType: ApplicationFiled: November 18, 2020Publication date: January 5, 2023Applicant: HÜTTENES-ALBERTUS Chemische Werke Gesellschaft mit beschränkter HaftungInventors: Sabrina Maria Sachau, Maria Schweinefuß, Christian Lustig, Klaus Seeger
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Patent number: 11529673Abstract: A coating composition is described, for use in the foundry, in particular comprising particulate, amorphous silicon dioxide (SiO2) and an aqueous phase having a pH of at most 5, and also coated, waterglass-bound foundry molding elements, especially coated, waterglass-bound foundry molds and foundry cores, which each comprise a coating composition of the invention. Further described is the use of a coating composition of the invention for producing a coating on a waterglass-bound foundry molding element and a method for producing a waterglass-bound foundry molding element (mold or core) coated with a water-containing refractory coating. Likewise specified is a kit whose contents include a coating composition of the invention.Type: GrantFiled: December 20, 2017Date of Patent: December 20, 2022Assignee: HÜTTENES-ALBERTUS CHEMISCHE WERKE GESELLSCHAFT MIT BESCHRÄNKTER HAFTUNGInventors: Andreas Jattke, Christian Lustig, Sabrina Maria Anderten, Klaus Seeger
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Publication number: 20220371081Abstract: A coating composition is described, for use in the foundry, in particular comprising particulate, amorphous silicon dioxide (SiO2) and an aqueous phase having a pH of at most 5, and also coated, waterglass-bound foundry molding elements, especially coated, waterglass-bound foundry molds and foundry cores, which each comprise a coating composition of the invention. Further described is the use of a coating composition of the invention for producing a coating on a waterglass-bound foundry molding element and a method for producing a waterglass-bound foundry molding element (mold or core) coated with a water-containing refractory coating. Likewise specified is a kit whose contents include a coating composition of the invention.Type: ApplicationFiled: August 4, 2022Publication date: November 24, 2022Applicant: Hüttenes-Albertus Chemische Werke Gesellschaft Mit Beschränkter HaftungInventors: Andreas JATTKE, Christian LUSTIG, Sabrina Maria ANDERTEN, Klaus SEEGER
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Publication number: 20220280996Abstract: The invention relates to a method for producing an article for use in the foundry industry, selected from a group consisting of granular material for producing a pourable additive, a solid pourable additive, an inorganic binder, and a molding material mixture. The invention also relates to a corresponding granular material comprising particulate amorphous silica and to a kit for producing an inorganic binder. The invention also relates to an apparatus for carrying out the method according to the invention and to a corresponding use of particulate amorphous silica and to the corresponding use of a granular material.Type: ApplicationFiled: July 16, 2020Publication date: September 8, 2022Applicant: HÜTTENES-ALBERTUS Chemische Werke GmbHInventors: Christian LUSTIG, Fabio SOLA, Lukas Mirko REINOLD
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Publication number: 20220226882Abstract: What is described is the use of a particulate material comprising, as its sole constituent or as one of multiple constituents, a particulate synthetic amorphous silicon dioxide having a particle size distribution with a median in the range from 0.1 to 0.4 ?m, determined by means of laser scattering, as additive for a molding material mixture at least comprising: a refractory mold base material having an AFS grain fineness number in the range from 30 to 100, particulate amorphous silicon dioxide having a particle size distribution with a median in the range from 0.7 to 1.5 ?m, determined by means of laser scattering, and water glass, for increasing the moisture resistance of a molding producible by hot curing of the molding material mixture. Also described are corresponding processes, mixtures and kits.Type: ApplicationFiled: May 14, 2020Publication date: July 21, 2022Applicant: HÜTTENES-ALBERTUS Chemische Werke GmbHInventors: Lukas Mirko REINOLD, Christian LUSTIG, René VARGOVIC, Edgar MÜLLER
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Patent number: 11311931Abstract: Described is a method of preparing a particulate refractory composition for use in the manufacture of foundry moulds and cores from spent foundry moulds or cores formed of refractory material and a binder containing water glass, the method comprising the following steps: providing broken material from spent foundry moulds or cores or preparing broken material from spent foundry moulds or cores, wherein the broken material comprises particles and/or aggregates of particles of refractory material having hardened water glass binder on their surface, mixing the broken material with particulate amorphous oxide comprising silicon dioxide in an amount of 85% by weight or more, based on the total amount of the particulate amorphous oxide, to give a mixture and subjecting the mixture to a heat treatment at a temperature of 400° C. or higher. Also described are a corresponding use, a reclamation mixture, and a method of making a foundry mould or core.Type: GrantFiled: September 6, 2019Date of Patent: April 26, 2022Assignee: HÜTTENES-ALBERTUS CHEMISCHE WERKE GESELLSCHAFT MIT BESCHRÄNKTER HAFTUNGInventors: Xin Li, Christian Lustig, Mirko Reinold, Maria Schweinefuß, Nicolas Egeler
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Publication number: 20210339308Abstract: Described is a method of preparing a particulate refractory composition for use in the manufacture of foundry moulds and cores from spent foundry moulds or cores formed of refractory material and a binder containing water glass, the method comprising the following steps: providing broken material from spent foundry moulds or cores or preparing broken material from spent foundry moulds or cores, wherein the broken material comprises particles and/or aggregates of particles of refractory material having hardened water glass binder on their surface, mixing the broken material with particulate amorphous oxide comprising silicon dioxide in an amount of 85% by weight or more, based on the total amount of the particulate amorphous oxide, to give a mixture and subjecting the mixture to a heat treatment at a temperature of 400° C. or higher. Also described are a corresponding use, a reclamation mixture, and a method of making a foundry mould or core.Type: ApplicationFiled: September 6, 2019Publication date: November 4, 2021Applicant: HÜTTENES-ALBERTUS Chemische Werke Gesellschaft mit beschränkter HaftungInventors: Xin LI, Christian LUSTIG, Mirko REINOLD, Maria SCHWEINEFUß, Nicolas EGELER
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Patent number: 11065676Abstract: What are described is a process for producing casting molds, cores and mold base materials regenerated therefrom, a mixture for combination with a solution or dispersion comprising waterglass for production of casting molds and/or cores, a molding material mixture, a mold base material mixture, and a casting mold or a core. What is also described is the corresponding use of an amount of particulate sheet silicates having a d90 of less than 45 ?m or a corresponding mixture as additive for production of a molding material mixture comprising waterglass and particulate amorphous silicon dioxide, which is cured by chemical reaction of constituents of the molding material mixture with one another, in the production of a casting mold or a core, to facilitate the breakdown and/or to increase the regeneratability of the casting mold or core.Type: GrantFiled: April 5, 2018Date of Patent: July 20, 2021Assignee: HÜTTENES-ALBERTUS CHEMISCHE WERKE GESELLSCHAFT MIT BESCHRÄNKTER HAFTUNGInventors: Lukas Mirko Reinold, Maria Schweinefuss, Christian Lustig
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Patent number: 10981215Abstract: A description is given of a method for producing a molding material mixture or for producing a molding material mixture and a molding therefrom, preferably casting molds or cores, for use in the foundry industry, where the molding material mixture comprises a mold base material and a solution or dispersion comprising lithium-containing waterglass, comprising the following steps: (1) producing or providing a kit at least comprising as separate components: (K1) an aqueous solution or dispersion comprising waterglass and (K2a) a first waterglass-free solution or dispersion comprising lithium ions in solution in water, and also preferably (K2b) a second waterglass-free solution or dispersion, preferably comprising lithium ions in solution in water with a lower concentration than in component (K2a), and thereafter (2) producing a mixture of the mold base material with a fraction of component (K1) and with a fraction of component (K2a), and also optionally with a fraction of component (K2b).Type: GrantFiled: June 28, 2018Date of Patent: April 20, 2021Assignee: HÜTTENES-ALBERTUS CHEMISCHE WERKE GESELLSCHAFT MIT BESCHRÄNKTER HAFTUNGInventors: Christian Lustig, Marcin Baldy, Edgar Müller, Lukas Mirko Reinold, Sabrina Maria Anderten, Maria Schweinefuß, René Vargovic
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Publication number: 20210107055Abstract: What are described is a process for producing casting molds, cores and mold base materials regenerated therefrom, a mixture for combination with a solution or dispersion comprising waterglass for production of casting molds and/or cores, a molding material mixture, a mold base material mixture, and a casting mold or a core. What is also described is the corresponding use of an amount of particulate sheet silicates having a d90 of less than 45 ?m or a corresponding mixture as additive for production of a molding material mixture comprising waterglass and particulate amorphous silicon dioxide, which is cured by chemical reaction of constituents of the molding material mixture with one another, in the production of a casting mold or a core, to facilitate the breakdown and/or to increase the regeneratability of the casting mold or core.Type: ApplicationFiled: April 5, 2018Publication date: April 15, 2021Applicant: HÜTTENES-ALBERTUS CHEMISCHE WERKE GESELLSCHAFT MIT BESCHRÄNKTER HAFTUNGInventors: Lukas Mirko REINOLD, Maria SCHWEINEFUSS, Christian LUSTIG
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Publication number: 20200130049Abstract: A description is given of a method for producing a molding material mixture or for producing a molding material mixture and a molding therefrom, preferably casting molds or cores, for use in the foundry industry, where the molding material mixture comprises a mold base material and a solution or dispersion comprising lithium-containing waterglass, comprising the following steps: (1) producing or providing a kit at least comprising as separate components: (K1) an aqueous solution or dispersion comprising waterglass and (K2a) a first waterglass-free solution or dispersion comprising lithium ions in solution in water, and also preferably (K2b) a second waterglass-free solution or dispersion, preferably o comprising lithium ions in solution in water with a lower concentration than in component (K2a), and thereafter (2) producing a mixture of the mold base material with a fraction of component (K1) and with a fraction of component (K2a), and also optionally with a fraction of component (K2b).Type: ApplicationFiled: June 28, 2018Publication date: April 30, 2020Applicant: HÜTTENES-ALBERTUS CHEMISCHE WERKE GESELLSCHAFT MIT BESCHRÄNKTER HAFTUNGInventors: Christian LUSTIG, Marcin BALDY, Edgar MÜLLER, Lukas Mirko REINOLD, Sabrina Maria ANDERTEN, Maria SCHWEINEFUß, René VARGOVIC
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Publication number: 20200001354Abstract: A coating composition is described, for use in the foundry, in particular comprising particulate, amorphous silicon dioxide (SiO2) and an aqueous phase having a pH of at most 5, and also coated, waterglass-bound foundry molding elements, especially coated, waterglass-bound foundry molds and foundry cores, which each comprise a coating composition of the invention. Further described is the use of a coating composition of the invention for producing a coating on a waterglass-bound foundry molding element and a method for producing a waterglass-bound foundry molding element (mold or core) coated with a water-containing refractory coating. Likewise specified is a kit whose contents include a coating composition of the invention.Type: ApplicationFiled: December 20, 2017Publication date: January 2, 2020Applicant: HÜTTENES-ALBERTUS CHEMISCHE WERKE GESELLSCHAFT MIT BESCHRÄNKTER HAFTUNGInventors: Andreas JATTKE, Christian LUSTIG, Sabrina Maria ANDERTEN, Klaus SEEGER
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Patent number: 9358701Abstract: A method is described here for the layerwise construction of models, wherein, in a building region, a particulate material is applied layerwise and selectively cured. These steps are repeated until a desired model is obtained. The material comprises in this case a particulate building material and a spray-dried alkali metal silicate solution. Selective activation of the curing proceeds using a water-comprising solution.Type: GrantFiled: June 20, 2012Date of Patent: June 7, 2016Assignee: VOXELJET AGInventors: Ingo Gnüchtel, Daniel Günther, Ingo Ederer, Christian Lustig, Edgar Müller
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Publication number: 20140212677Abstract: A method is described here for the layerwise construction of models, wherein, in a building region, a particulate material is applied layerwise and selectively cured. These steps are repeated until a desired model is obtained. The material comprises in this case a particulate building material and a spray-dried alkali metal silicate solution. Selective activation of the curing proceeds using a water-comprising solution.Type: ApplicationFiled: June 20, 2012Publication date: July 31, 2014Inventors: Ingo Gnüchtel, Daniel Günther, Ingo Ederer, Christian Lustig, Edgar Müller