Patents Assigned to Huttenes-Albertus Chemische Werke GmbH
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Publication number: 20220355366Abstract: A description is given of the use of an additive mixture (A) for combination with a solution or dispersion (B) comprising waterglass, for producing a moulding material mixture for producing articles from the group consisting of foundry moulds and foundry cores; a multi-component binder system comprising (A) an additive mixture and (B) a solution or dispersion comprising waterglass; a moulding material mixture comprising a mould base material (C) and also components (A) and (B) of such a multi-component binder system; a method for producing an article from the group consisting of foundry moulds and foundry cores; articles from the group consisting of foundry moulds and foundry cores; and the use of such an article for metal casting, preferably for light metal casting, more particularly for aluminium casting.Type: ApplicationFiled: June 15, 2020Publication date: November 10, 2022Applicant: HÜTTENES-ALBERTUS Chemische Werke GmbHInventors: Julian Bernhardt, Klaus Seeger, Lukas Mirko Reinold
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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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Publication number: 20220177370Abstract: An insulating product for the refractory industry or an insulating material as intermediate for production of such a product, and a corresponding insulating material/insulating product are provided. Likewise the use of a matrix encapsulation process in the production of an insulating product for the refractory industry and a corresponding insulating product and/or an insulating material as intermediate for production of such a product are provided.Type: ApplicationFiled: January 28, 2022Publication date: June 9, 2022Applicant: HÜTTENES-ALBERTUS CHEMISCHE WERKE GmbHInventors: Sandra LEHMANN, Klaus RIEMANN, Nils ZIMMER, Hermann LIEBER, Jürgen HÜBERT, Fabio SOLA, Heike MUSHARDT
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Publication number: 20220169780Abstract: A description is given of a binder system, intended more particularly for use in a process from the group consisting of polyurethane cold-box processes and polyurethane no-bake processes.Type: ApplicationFiled: March 8, 2019Publication date: June 2, 2022Applicant: HÜTTENES-ALBERTUS Chemische Werke GmbHInventors: Annika KLOSE, Daniel WINKELHAUS
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Patent number: 10106462Abstract: Described is a two-component system, particularly for forming an adhesive, which is suitable, for example, for applications in the foundry industry and in the construction industry.Type: GrantFiled: December 19, 2014Date of Patent: October 23, 2018Assignee: HÜTTENES-ALBERTUS CHEMISCHE WERKE GMBHInventors: Christian Fourberg, Ditmar Baier
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Patent number: 9993863Abstract: The present invention relates primarily to a mixture that is suitable for use in the no-bake process for producing cores and molds for the foundry industry, and a reaction mixture comprising said mixture and an acid hardener (i.e. an acid catalyst). The present invention further relates to a method of producing a mixture according to the invention and a method of producing a mold or a core. The invention also relates to a mold or a core for producing metal objects and a kit comprising a mixture according to the invention and certain acid hardeners. The invention further relates to the use of a mixture according to the invention as cold-setting binder and the use of said mixtures or reaction mixtures in a no-bake process for producing metal objects.Type: GrantFiled: December 16, 2011Date of Patent: June 12, 2018Assignee: HUTTENES-ALBERTUS CHEMISCHE WERKE GMBHInventors: Christian Fourberg, Gérard Ladégourdie, Norbert Benz, Eckard Piech
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Patent number: 9890295Abstract: This invention relates to a resin preparable by reaction of a phenol/formaldehyde novolak with tetraethyl orthosilicate in a mass ratio above 28:1, wherein the phenol of the phenol/formaldehyde novolak is substituted or unsubstituted hydroxybenzene or a mixture of two or more such phenols, and to a particulate material coated with said resin. Said particles can be used e.g. in the shell molding process for the production of shell molds and shell cores; and as proppants for use in the hydraulic fracturing process.Type: GrantFiled: April 20, 2012Date of Patent: February 13, 2018Assignee: HUTTENES-ALBERTUS CHEMISCHE WERKE GMBHInventors: Nicolas Egeler, Marek Torbus, Milan Knezevic, Gee Ho Bae, Robert Laitar, Douglas Trinowski, Wolfgang Seelbach
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Publication number: 20160311724Abstract: Described is a two-component system, particularly for forming an adhesive, which is suitable, for example, for applications in the foundry industry and in the construction industry.Type: ApplicationFiled: December 19, 2014Publication date: October 27, 2016Applicant: HÜTTENES-ALBERTUS CHEMISCHE WERKE GMBHInventors: Christian FOURBERG, Ditmar BAIER
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Patent number: 9238264Abstract: A description is provided of a mixture which is preparable by allowing the reaction of a premixture of (av), methanesulfonic acid (bv), one or more esters of one or more phosphorous-oxygen acids and (cv) one or more silanes. The invention also concerns the use of said mixtures as additives for the polyisocyanate component of a two-component binding agent system for preparation of a polyurethane resin. The invention further concerns a solution containing polyisocyanate for use as a component of a molding material binding agent system, and the use of a solution containing polyisocyanate as the polyisocyanate component of a two-component binding agent system for preparation of a polyurethane resin and corresponding two-component binding agent systems for preparation of a polyurethane resin.Type: GrantFiled: February 8, 2013Date of Patent: January 19, 2016Assignee: HUTTENES-ALBERTUS CHEMISCHE WERKE GMBHInventors: Gérard Ladégourdie, Markus Dörschel, Ursula Wichmann, Amine Serghini Anbari, David Strunk
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Patent number: 8845802Abstract: A refractory coating for producing mold coatings by application to inorganically or organically-bound molding materials in lost molds or to cores for iron and steel casting is disclosed. The refractory coating can have a proportion by weight of 0.001% or more and less than 1% of inorganic hollow bodies, which partially or fully consist of crystalline material and have a softening point of 1000° C. or higher.Type: GrantFiled: December 18, 2013Date of Patent: September 30, 2014Assignee: Hüttenes-Albertus Chemische Werke GmbHInventors: Andreas Stefan Jattke, Thomas Linke, Klaus Seeger
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Patent number: 8771412Abstract: The present invention relates to a refractory coating for producing mold coatings by application to inorganically or organically-bound molding materials in lost molds or to cores for iron and steel casting, wherein the ready-to-use refractory coating has proportion by weight of 0.001% or more and less than 1% of inorganic hollow bodies, which partially or fully consist of crystalline material and have a softening point of 1000° C. or higher.Type: GrantFiled: April 21, 2010Date of Patent: July 8, 2014Assignee: Hüttenes-Albertus Chemische Werke GmbHInventors: Andreas Stefan Jattke, Günter Thomas Linke, Klaus Seeger
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Publication number: 20140102657Abstract: A refractory coating for producing mold coatings by application to inorganically or organically-bound molding materials in lost molds or to cores for iron and steel casting is disclosed. The refractory coating can have a proportion by weight of 0.001% or more and less than 1% of inorganic hollow bodies, which partially or fully consist of crystalline material and have a softening point of 1000° C. or higher.Type: ApplicationFiled: December 18, 2013Publication date: April 17, 2014Applicant: Huttenes-Albertus Chemische Werke GmbHInventors: Andreas Stefan JATTKE, Thomas Linke, Klaus Seeger
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Publication number: 20130292083Abstract: A polyisocyanate component for a moulding material binding agent system is described containing at feast one sulfonic acid in a solution of at least one polyisocyanate, containing at least two NCO-groups in the molecule.Type: ApplicationFiled: November 21, 2011Publication date: November 7, 2013Applicant: Huttenes-Albertus Chemische Werke GMBHInventors: Gérard P.M. Ladégourdie, Markus Dörschel, Amine Serghini Anbari, Ursula Wichmann
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Patent number: 8569425Abstract: The present invention relates to modified phenolic resins which contain silicic acid ester units. The modified phenolic resins may, for example, be used as components of a foundry binder system. The invention also relates to a method for producing such modified phenolic resins and to two-component binder systems which contain these modified phenolic resins. The invention furthermore relates to methods for producing foundry molds and foundry cores which contain the modified phenolic resins, and to the foundry molds and foundry cores themselves.Type: GrantFiled: June 21, 2011Date of Patent: October 29, 2013Assignee: Huttenes-Albertus Chemische Werke GmbHInventors: David Strunk, Gerard Ladegourdie, Frank Lenzen
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Patent number: 8563662Abstract: The present invention relates to modified phenolic resins which contain silicic acid ester units. The modified phenolic resins may, for example, be used as components of a foundry binder system. The invention also relates to a method for producing such modified phenolic resins and to two-component binder systems which contain these modified phenolic resins. The invention furthermore relates to methods for producing foundry molds and foundry cores which contain the modified phenolic resins, and to the foundry molds and foundry cores themselves.Type: GrantFiled: August 19, 2009Date of Patent: October 22, 2013Assignee: Huttenes-Albertus Chemische Werke GmbHInventors: David Strunk, Gerard Ladegourdie, Frank Lenzen
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Publication number: 20130225718Abstract: A description is provided of a mixture which is preparable by allowing the reaction of a premixture of (av), methanesulfonic acid (bv), one or more esters of one or more phosphorous-oxygen acids and (cv) one or more silanes. The invention also concerns the use of said mixtures as additives for the polyisocyanate component of a two-component binding agent system for preparation of a polyurethane resin. The invention further concerns a solution containing polyisocyanate for use as a component of a molding material binding agent system, and the use of a solution containing polyisocyanate as the polyisocyanate component of a two-component binding agent system for preparation of a polyurethane resin and corresponding two-component binding agent systems for preparation of a polyurethane resin.Type: ApplicationFiled: February 8, 2013Publication date: August 29, 2013Applicant: Huttenes-Albertus Chemische Werke GmbHInventor: Huttenes-Albertus Chemische Werke GmbH
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Publication number: 20120126092Abstract: The present invention relates to a refractory coating for producing mold coatings by application to inorganically or organically-bound molding materials in lost molds or to cores for iron and steel casting, wherein the ready-to-use refractory coating has proportion by weight of 0.001% or more and less than 1% of inorganic hollow bodies, which partially or fully consist of crystalline material and have a softening point of 1000° C. or higher.Type: ApplicationFiled: April 21, 2010Publication date: May 24, 2012Applicant: HUTTENES-ALBERTUS CHEMISCHE WERKE GmbHInventor: Andreas JATTKE
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Patent number: 8148463Abstract: This invention relates to alkaline resol phenol-aldehyde binder compositions and their use in the production of articles of bonded particulate material such as foundry moulds, foundry cores, or feeders.Type: GrantFiled: December 8, 2008Date of Patent: April 3, 2012Assignee: Huttenes-Albertus Chemische Werke GmbHInventors: Frank Lenzen, Gerard Ladegourdie
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Publication number: 20110275758Abstract: The present invention relates to modified phenolic resins which contain silicic acid ester units. The modified phenolic resins may, for example, be used as components of a foundry binder system. The invention also relates to a method for producing such modified phenolic resins and to two-component binder systems which contain these modified phenolic resins. The invention furthermore relates to methods for producing foundry molds and foundry cores which contain the modified phenolic resins, and to the foundry molds and foundry cores themselves.Type: ApplicationFiled: June 21, 2011Publication date: November 10, 2011Applicant: Huttenes-Albertus Chemische Werke GmbHInventors: David Strunk, Gerard Ladegourdie, Frank Lenzen