Patents by Inventor Wolfgang Walczyk
Wolfgang Walczyk 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: 11814298Abstract: A method for producing potassium chloride granular materials from a crystalline potassium chloride raw material, wherein, before the granulation process, the potassium chloride raw material is treated with at least one alkali metal carbonate and at least one metaphosphate additive in the presence of water.Type: GrantFiled: August 22, 2017Date of Patent: November 14, 2023Assignee: K+S AKTIENGESELLSCHAFTInventors: Guido Baucke, Armin Dietrich, Stefan Dressel, Sebastian Kopf, Paul Meissner, Wolfgang Walczyk, Ludger Waldmann
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Patent number: 11814297Abstract: A method for producing potassium chloride granular materials from a crystalline potassium chloride raw material, wherein, before the granulation process, the potassium chloride raw material is treated with at least one alkali metal carbonate and at least one hydrogen phosphate additive in the presence of water. The alkali metal carbonate is anhydrous sodium carbonate, sodium carbonate monohydrate or sodium carbonate decahydrate.Type: GrantFiled: August 22, 2017Date of Patent: November 14, 2023Assignee: K+S AktiengesellschaftInventors: Guido Baucke, Armin Dietrich, Stefan Dressel, Sebastian Kopf, Paul Meissner, Wolfgang Walczyk, Ludger Waldmann
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Patent number: 11795060Abstract: A method for producing potassium chloride granulates from a crystalline potassium chloride raw material. The potassium chloride raw material is treated, prior to granulation, with at least one alkali metal carbonate and at least one phosphate additive selected from alkali metal monophosphates, alkali metal pyrophosphates, linear alkali metal polyphosphates and mixtures thereof, in the presence of water.Type: GrantFiled: August 22, 2017Date of Patent: October 24, 2023Assignee: K+S AktiengesellschaftInventors: Guido Baucke, Armin Dietrich, Stefan Dressel, Sebastian Kopf, Paul Meissner, Wolfgang Walczyk, Ludger Waldmann
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Publication number: 20200017362Abstract: A method for producing potassium chloride granular materials from a crystalline potassium chloride raw material, wherein, before the granulation process, the potassium chloride raw material is treated with at least one alkali metal carbonate and at least one metaphosphate additive in the presence of waterType: ApplicationFiled: August 22, 2017Publication date: January 16, 2020Applicant: K+S AKTIENGESELLSCHAFTInventors: Guido BAUCKE, Armin DIETRICH, Stefan DRESSEL, Sebastian KOPF, Paul MEISSNER, Wolfgang WALCZYK, Ludger WALDMANN
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Publication number: 20200017363Abstract: A method for producing potassium chloride granulates from a crystalline potassium chloride raw material. The potassium chloride raw material is treated, prior to granulation, with at least one alkali metal carbonate and at least one phosphate additive selected from alkali metal monophosphates, alkali metal pyrophosphates, linear alkali metal polyphosphates and mixtures thereof, in the presence of water.Type: ApplicationFiled: August 22, 2017Publication date: January 16, 2020Applicant: K+S AktiengesellschaftInventors: Guido BAUCKE, Armin DIETRICH, Stefan DRESSEL, Sebastian KOPF, Paul MEISSNER, Wolfgang WALCZYK, Ludger WALDMANN
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Publication number: 20200017417Abstract: A method for producing potassium chloride granular materials from a crystalline potassium chloride raw material, wherein, before the granulation process, the potassium chloride raw material is treated with at least one alkali metal carbonate and at least one hydrogen phosphate additive in the presence of water. The alkali metal carbonate is anhydrous sodium carbonate, sodium carbonate monohydrate or sodium carbonate decahydrate.Type: ApplicationFiled: August 22, 2017Publication date: January 16, 2020Applicant: K+S AktiengesellschaftInventors: Guido BAUCKE, Armin DIETRICH, Stefan DRESSEL, Sebastian KOPF, Paul MEISSNER, Wolfgang WALCZYK, Ludger WALDMANN
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Patent number: 9994491Abstract: The present invention relates to compositions containing at least 80% by weight, especially at least 90% by weight, based on the total weight of the composition, of at least one magnesium sulfate-urea compound selected from the compound of the formula (I) and mixtures of the compound of the formula (I) with the compound of the formula (II): [MgSO4.mCO(NH2)2.nH2O] (I), [MgSO4.xCO(NH2)2.yH2O] (II), in which m and x are each in the range from 0.9 to 1.1, n is in the range from 1.9 to 2.1 and y is in the range from 2.9 to 3.1, where the compositions, based on the total weight of the composition, contain less than 10% by weight of free MgSO4 in the form of the anhydrate or in the form of hydrates of magnesium sulfate and less than 10% by weight of unbound urea. The invention also relates to the production of the compositions and to the use thereof as fertilizers or fertilizer additive.Type: GrantFiled: December 20, 2013Date of Patent: June 12, 2018Assignee: K+S AKTIENGESELLSCHAFTInventors: Armin Dietrich, Guido Baucke, Stefan Thenert, Ulrich Kleine-Kleffmann, Wolfgang Walczyk, Stefan Dressel, Ludger Waldmann
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Patent number: 9663410Abstract: The subject of the invention is a composition containing at least 80 wt. %, with reference to the total weight of the composition, of a magnesium-sulfate-urea compound of Formula (I): [MgSO4.m CO(NH2)2.n H2O]??(I), in which m is in the range from 0.9 to 1.1 and n is in the range from 2.1 to 3.1, where the composition, with reference to the total weight of the composition, contains less than 10 wt. % free MgSO4 in the form of the anhydrate or in the form of urea-free hydrates of the magnesium sulfate, such as magnesium sulfate or magnesium-sulfate hexahydrate and/or less than 10 wt. % uncombined urea. In particular, m in Formula (I) indicates the value 1. In particular, n in Formula (I) indicates the value 3. The invention also concerns the manufacture of the compositions and their utilization as fertilizers or fertilizer additives.Type: GrantFiled: December 28, 2012Date of Patent: May 30, 2017Assignee: K+S Kali GmbHInventors: Ulrich Kleine-Kleffmann, Wolfgang Walczyk
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Publication number: 20160046534Abstract: The present invention relates to compositions containing at least 80% by weight, especially at least 90% by weight, based on the total weight of the composition, of at least one magnesium sulfate-urea compound selected from the compound of the formula (I) and mixtures of the compound of the formula (I) with the compound of the formula (II): [MgSO4.mCO(NH2)2.nH2O] (I), [MgSO4.xCO(NH2)2.yH2O] (II), in which m and x are each in the range from 0.9 to 1.1, n is in the range from 1.9 to 2.1 and y is in the range from 2.9 to 3.1, where the compositions, based on the total weight of the composition, contain less than 10% by weight of free MgSO4 in the form of the anhydrate or in the form of hydrates of magnesium sulfate and less than 10% by weight of unbound urea. The invention also relates to the production of the compositions and to the use thereof as fertilizers or fertilizer additive.Type: ApplicationFiled: December 20, 2013Publication date: February 18, 2016Applicant: K+S AktiengesellschaftInventors: Armin DIETRICH, Guido BAUCKE, Stefan THENERT, Ulrich KLEINE-KLEFFMANN, Wolfgang WALCZYK, Stefan DRESSEL, Ludger WALDMANN
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Publication number: 20140360239Abstract: The subject of the invention is a composition containing at least 80 wt. %, with reference to the total weight of the composition, of a magnesium-sulfate-urea compound of Formula (I): [MgSO4.m CO(NH2)2.n H2O]??(I), in which m is in the range from 0.9 to 1.1 and n is in the range from 2.1 to 3.1, where the composition, with reference to the total weight of the composition, contains less than 10 wt. % free MgSO4 in the form of the anhydrate or in the form of urea-free hydrates of the magnesium sulfate, such as magnesium sulfate or magnesium-sulfate hexahydrate and/or less than 10 wt. % uncombined urea. In particular, m in Formula (I) indicates the value 1. In particular, n in Formula (I) indicates the value 3. The invention also concerns the manufacture of the compositions and their utilization as fertilizers or fertilizer additives.Type: ApplicationFiled: December 28, 2012Publication date: December 11, 2014Applicant: K+S KALI GmbHInventors: Ulrich Kleine-Kleffmann, Wolfgang Walczyk
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Patent number: 5431708Abstract: A process for preventing the formation of dust during the loading of sulfate fertilizer granulates includes spraying a high-percent aqueous solution of urea onto the fertilizer granulates. The amount of aqueous solution sprayed ranges from 4 to 8 kg of solution per ton of granulate. The concentration of urea within the solution is between 50% and 80% by weight.Type: GrantFiled: September 28, 1993Date of Patent: July 11, 1995Assignee: Kali und Salz AGInventors: Gerhard Lehmann, Otto Wendt, Wolfgang Walczyk
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Patent number: 5383952Abstract: Dust is bound in fertilizer granules by spraying the granules with a solution of molasses and another oxygen-containing hydrocarbon from the group glycerin, polyethylene glycol and triethanolamine.Type: GrantFiled: March 16, 1994Date of Patent: January 24, 1995Assignee: Kali und Salz AktiengesellschaftInventors: Arno Singewald, Otto Wendt, Gunter Nurnberger, Dieter Paetz, Wolfgang Walczyk, Klaus-Dieter Muller