Patents by Inventor Joachim Dengler
Joachim Dengler 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: 20180230052Abstract: The invention relates to a method for producing a dispersant, comprising the steps of a) providing at least one water-soluble polymer comprising polyether groups, b) providing an inorganic component comprising at least one phyllosilicate which has an integral sheet charge of 0, 1 or 2, c) producing an aqueous suspension comprising the at least one water-soluble polymer comprising polyether groups and the inorganic component comprising the at least one phyllosilicate, and d) spray-drying the aqueous suspension to give a solid. Additionally disclosed is the use of the dispersant of the invention in an inorganic binder composition.Type: ApplicationFiled: March 3, 2016Publication date: August 16, 2018Applicant: BASF SEInventors: Torben GAEDT, Joachim DENGLER, Martin WINKLBAUER, Manfred BICHLER, Oliver MAZANEC
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Patent number: 9926231Abstract: The invention relates to dispersants for inorganic particles, preferably for hydraulic binders, which comprises the following structural units: i) at least one triazine structural unit, ii) at least one polyalkylene glycol structural unit, and iii) at least two phosphoric ester structural units on at least one carbon atom of one or more aromatic triazine rings of the formulae (IIa) and/or (IIb): —N—(CH2CH2—O—PO3H2)2,??(IIa) and —NH—CH2CH2—O—PO3H2.??(IIb) The invention also relates to a process for preparing the dispersants, to building material mixtures comprising one or more dispersants and one or more inorganic binders. The invention relates to the use of the dispersants as a water reducing agent, as a means for reducing the viscosity and for enhancing the early strengths of aqueous inorganic binders, and also to the use as a grinding aid in the production of cement.Type: GrantFiled: December 7, 2012Date of Patent: March 27, 2018Assignee: Construction Research & Technology, GmbHInventors: Joachim Dengler, Alexander Kraus
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Publication number: 20180050962Abstract: The invention relates to a method for producing a calcium silicate hydrate-comprising hardening accelerator in powder form, which comprises the steps of (a) providing an aqueous suspension comprising calcium silicate hydrate; (b) mixing at least one calcium compound, selected from calcium acetate, calcium formate, calcium hydroxide, calcium oxide, and mixtures of two or more of said compounds, with the aqueous suspension comprising calcium silicate hydrate; and (c) drying the resulting mixture. The invention also relates to the hardening accelerator obtainable by this method, to the use thereof, and to building material mixtures which comprise the hardening accelerator.Type: ApplicationFiled: April 20, 2016Publication date: February 22, 2018Inventors: Manfred BICHLER, Martin WINKLBAUER, Torben GAEDT, Joachim DENGLER, Christoph HESSE, Bernhard MAYR
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Publication number: 20180044238Abstract: The invention relates to a method for producing a dispersant, comprising the steps of a) providing at least one water-soluble polymer comprising polyether groups, b) providing an inorganic component comprising at least one phyllosilicate which has an integral sheet charge of 0, 1 or 2, c) producing an aqueous suspension comprising the at least one water-soluble polymer comprising polyether groups and the inorganic component comprising the at least one phyllosilicate, and d) spray-drying the aqueous suspension to give a solid. Additionally disclosed is the use of the dispersant of the invention in an inorganic binder composition.Type: ApplicationFiled: March 3, 2016Publication date: February 15, 2018Applicant: BASF SEInventors: Torben GAEDT, Joachim DENGLER, Martin WINKLBAUER, Manfred BICHLER, Oliver MAZANEC
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Patent number: 9815740Abstract: The invention concerns a composition containing a) 2 to 80 weight % of Ordinary Portland Cement with respect to the total weight of the composition b) 2 to 80 weight % of a calcium sulfate based binder with respect to the total weight of the composition, with the proviso that the weight ratio of a) Ordinary Portland Cement to b) calcium sulfate based binder is from 95/5 to 5/95 and c) at least one retarder for calcium sulfate based binders, the retarder being a chemical structure, which comprises from 3 to 70 amino acids. Also concerned is the use of the compositions for self-levelling underlayments, tile adhesives, non-shrink grouts, floor screeds and repair mortars.Type: GrantFiled: April 1, 2015Date of Patent: November 14, 2017Assignee: BASF SEInventors: Oliver Mazanec, Sebastian Seufert, Joachim Dengler, Torben Gaedt
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Publication number: 20170320778Abstract: The invention relates to a polymer which is obtainable by copolymerizing monomers comprising at least one ethylenically unsaturated monomer which comprises at least one acid group and at least one ethylenically unsaturated monomer (II) having polyether groups with 5 to 35 repeating units and at least one ethylenically unsaturated monomer (III) having polyether groups with 45 to 150 repeating units, the molar ratio of monomer (II) to monomer (III) being between 75:25 and 99.5:0.5. Further disclosed are the use of the polymer of the invention as an admixture for inorganic binder compositions, and a composition in powder form comprising an inorganic binder and the polymer of the invention.Type: ApplicationFiled: November 3, 2015Publication date: November 9, 2017Inventors: Manfred BICHLER, Martin WINKLBAUER, Joachim DENGLER
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Patent number: 9803053Abstract: The invention concerns a polycondensate containing (I) at least a structural unit, which is an aromatic moiety bearing a polyether side chain comprising 9 to 41 alkylene glycol units, (II) at least a structural unit, which is an aromatic moiety bearing at least one phosphoric acid ester group and (III) at least a methylene unit (—CH2—), the polycondensate having a polycondensation degree of 10 to 75. Also concerned are building material mixtures containing said polycondensates and the use as dispersant for inorganic binders.Type: GrantFiled: December 16, 2014Date of Patent: October 31, 2017Assignee: Construction Research & Technology, GmbHInventors: Alexander Kraus, Joachim Dengler, Torben Gädt, Sandro Moro, Juergen Bokern, Anil Bendale, Nicolas Moins, Nicoletta Zeminian
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Patent number: 9796628Abstract: The present invention relates to an additive for hydraulically setting compositions, comprising a colloidally disperse preparation of at least one salt of a mono- or polyvalent metal cation and of at least one compound which is able to release an anion which forms a low-solubility salt with the metal cation, and of at least one polymeric sulphonated dispersant. The additive is suitable particularly as a slump retainer.Type: GrantFiled: January 20, 2015Date of Patent: October 24, 2017Assignee: Construction Research & Technology, GmbHInventors: Torben Gädt, Harald Grassl, Luc Nicoleau, Joachim Dengler, Martin Winklbauer
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Publication number: 20170107153Abstract: The invention concerns a composition containing a) 2 to 80 weight % of Ordinary Portland Cement with respect to the total weight of the composition b) 2 to 80 weight % of a calcium sulfate based binder with respect to the total weight of the composition, with the proviso that the weight ratio of a) Ordinary Portland Cement to b) calcium sulfate based binder is from 95/5 to 5/95 and c) at least one retarder for calcium sulfate based binders, the retarder being a chemical structure, which comprises from 3 to 70 amino acids. Also concerned is the use of the compositions for self-levelling underlayments, tile adhesives, non-shrink grouts, floor screeds and repair mortars.Type: ApplicationFiled: April 1, 2015Publication date: April 20, 2017Inventors: Oliver MAZANEC, Sebastian SEUFERT, Joachim DENGLER, Torben GAEDT
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Publication number: 20160332914Abstract: The present invention relates to an additive for hydraulically setting compositions, comprising a colloidally disperse preparation of at least one salt of a mono- or polyvalent metal cation and of at least one compound which is able to release an anion which forms a low-solubility salt with the metal cation, and of at least one polymeric sulphonated dispersant. The additive is suitable particularly as a slump retainer.Type: ApplicationFiled: January 20, 2015Publication date: November 17, 2016Inventors: Torben GÄDT, Harald GRASSL, Luc NICOLEAU, Joachim DENGLER, Martin WINKLBAUER
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Publication number: 20160319072Abstract: The invention concerns a polycondensate containing (I) at least a structural unit, which is an aromatic moiety bearing a polyether side chain comprising 9 to 41 alkylene glycol units, (II) at least a structural unit, which is an aromatic moiety bearing at least one phosphoric acid ester group and (III) at least a methylene unit (—CH2—), the polycondensate having a polycondensation degree of 10 to 75. Also concerned are building material mixtures containing said polycondensates and the use as dispersant for inorganic binders.Type: ApplicationFiled: December 16, 2014Publication date: November 3, 2016Inventors: Alexander KRAUS, Joachim DENGLER, Torben GÄDT, Sandro MORO, Juergen BORKEN, Anil BENDALE, Nicolas MOINS
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Publication number: 20160229748Abstract: Method for making light-weight gypsum board with enhanced compressive strength by addition of dispersants. Wallboards made by use of a gypsum-based composition comprising a ketone resin as dispersant and a foaming agent.Type: ApplicationFiled: September 5, 2014Publication date: August 11, 2016Applicant: BASFInventors: Uwe GEHRIG, Joachim DENGLER, Michael SCHINABECK, Martin PICHLER, Torben GÄDT, Stephanie LOGES
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Patent number: 9365452Abstract: The invention relates to a monomer-based condensation product, wherein the monomers comprising at least one monomer having an aldehyde moiety and at least one monomer having a ketone moiety, which is carrying at least one non-aromatic moiety and the condensation product comprises at least one moiety from the series of phosphono, sulphino, sulpho, sulphamido, sulphoxy, sulphoalkyloxy, sulphinoalkyloxy and phosphonooxy groups and/or salts thereof, wherein the monomers further comprising gallic acid. Additionally disclosed are the preparation and the use of these condensation products in chemical products for the construction industry.Type: GrantFiled: June 7, 2013Date of Patent: June 14, 2016Assignee: Construction Research & Technology GmbHInventors: Joachim Dengler, Barbara Mittermaier
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Publication number: 20160160083Abstract: Described is a chemical-mechanical polishing (CMP) composition comprising abrasive particles containing ceria.Type: ApplicationFiled: July 8, 2014Publication date: June 9, 2016Applicant: BASF SEInventors: Michael LAUTER, Yuzhuo Li, Bastian Marten NOLLER, Roland LANGE, Robert REICHARDT, Yongqing LAN, Volodymyr BOYKO, Alexander KRAUS, Joachim Von SEYERL, Sheik Ansar USMAN IBRAHIM, Aax SIEBERT, Kristine HARTNAGEL, Joachim DENGLER, Nina Susanne HILLESHEIM
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Patent number: 9126866Abstract: A method of utilizing a copolymer for dispersing inorganic binders, the copolymer comprising as comonomers in copolymerized form at least one ethylenically unsaturated acid monomer and at least one ethylenically unsaturated, branched polyether macromonomer. Further disclosed are dispersants for inorganic binders, comprising the subject copolymer, and building material mixtures comprising inorganic binders and the subject dispersant.Type: GrantFiled: March 6, 2014Date of Patent: September 8, 2015Assignee: Construction Research & Technology GmbHInventors: Joachim Dengler, Alexander Kraus, Rabie Al-Hellani, Anna Cristadoro, Silke Flakus, Nicoletta Zeminian, Ida Ros
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Publication number: 20150183688Abstract: The invention relates to a monomer-based condensation product, wherein the monomers comprising at least one monomer having an aldehyde moiety and at least one monomer having a ketone moiety, which is carrying at least one non-aromatic moiety and the condensation product comprises at least one moiety from the series of phosphono, sulphino, sulpho, sulphamido, sulphoxy, sulphoalkyloxy, sulphinoalkyloxy and phosphonooxy groups and/or salts thereof, wherein the monomers further comprising gallic acid. Additionally disclosed are the preparation and the use of these condensation products in chemical products for the construction industry.Type: ApplicationFiled: June 7, 2013Publication date: July 2, 2015Applicant: Construction Research & Technology GmbHInventors: Joachim Dengler, Barbara Mittermaier
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Publication number: 20140353551Abstract: The invention relates to dispersants for inorganic particles, preferably for hydraulic binders, which comprises the following structural units: i) at least one triazine structural unit, ii) at least one polyalkylene glycol structural unit, iii) and at least two phosphoric ester structural units, and also relates to a process for preparing the dispersants, to building material mixtures comprising one or more dispersants and one or more inorganic binders. The invention relates to the use of the dispersants as a water reducing agent, as a means for reducing the viscosity and for enhancing the early strengths of aqueous inorganic binders, and also to the use as a grinding aid in the production of cement.Type: ApplicationFiled: December 7, 2012Publication date: December 4, 2014Applicant: Construction Research & Technology GmbHInventors: Joachim Dengler, Alexander Kraus
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Publication number: 20140256857Abstract: A method of utilizing a copolymer for dispersing inorganic binders, the copolymer comprising as comonomers in copolymerized form at least one ethylenically unsaturated acid monomer and at least one ethylenically unsaturated, branched polyether macromonomer. Further disclosed are dispersants for inorganic binders, comprising the subject copolymer, and building material mixtures comprising inorganic binders and the subject dispersant.Type: ApplicationFiled: March 6, 2014Publication date: September 11, 2014Inventors: Joachim DENGLER, Alexander KRAUS, Rabie AL-HELLANI, Anna CRISTADORO, Silke FLAKUS, Nicoletta ZEMINIAN, Ida ROS
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Publication number: 20120264910Abstract: The present invention relates to a process for preparing carbonates by reacting propylene oxide, ethylene oxide, styrene oxide and/or cyclohexene oxide with carbon dioxide in the presence of one or more catalysts of the formula I where R1 is hydrogen, C1-C6-alkyl, C1-C6-haloalkyl, NR?4—(CH2)2-6—where R? is C1-C6-alkyl; R2 is hydrogen, C1-C4-alkyl, C1-C4-haloalkyl, halogen, amino, nitro, C1-C6-alkoxy or cyano; R3, R4 are each hydrogen or together are a butadienylene moiety which bears the R5 substituent; R5 is C1-C4-alkyl, C1-C4-haloalkyl, halogen, amino, nitro, C1-C6-alkoxy or cyano; M is Zn(II), Mg(II), Cr(II), Cr(III), Co(II), Co(III), Fe(II) or Fe(III); and X1, X2 are each OCOCH3, OCOCF3, OSO2C7H7 or halogen. More particularly, the invention relates to a process for preparing cyclic carbonates, and to a process for preparing aliphatic polycarbonates using these catalysts I, and to particularly preferred catalysts of the formulae Ia and Ib.Type: ApplicationFiled: April 12, 2012Publication date: October 18, 2012Applicant: BASF SEInventors: Peter Deglmann, Anna Katharina Brym, Joachim Dengler, Petra Lutz-Kahler, Volker Warzelhan, Bernhard Rieger, Stephan Klaus, Maximilian Lehenmeier
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Patent number: 5920641Abstract: Linear structures are used to identify persons. In order to be able to combine a multiplicity of such linear structures in a database, their original images are analyzed and reconstructed using orthonormal basic functions. A preferred direction of the linear structure is determined for each pixel. A quality measure is used to evaluate the reliability of the analyzed data. Singularities (SI) and minutiae (MI) are extracted and stored.Type: GrantFiled: March 6, 1997Date of Patent: July 6, 1999Assignee: Siemens Nixdorf Informationssysteme AktiengesellschaftInventors: Birgit Ueberreiter, Joachim Dengler