Patents by Inventor Stefan Dilsky
Stefan Dilsky 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: 11124855Abstract: A process for pelletizing particles of a fine mineral ore, the process comprises the steps of a) mixing the particles of a fine mineral ore with a binder composition to obtain a pellet feed, b) forming the pellet feed into balls, c) drying the balls to form dried balls, d) preheating the dried balls at 60 to 105° C. until constant weight to form preheated balls, e) subsequently heating the preheated balls to a temperature of 1200° C. to 1400° C. to obtain pellets, wherein the binder composition comprises a) at least one colloid agent which exerts a cohesive force on the particles of a fine mineral ore forming the pellets, and b) at least one synthetic polymer which disperses the particles of a fine mineral ore in the pellets, wherein the synthetic polymer is a maleic acid/acrylic acid or a maleic acid/methacrylic acid copolymer.Type: GrantFiled: March 29, 2019Date of Patent: September 21, 2021Assignee: Clariant International Ltd.Inventors: Stefan Dilsky, Carlos Augusto Blasques Tooge, Nilson Mar Bartalini, Almir T. Santos, Wagner Claudio Da Silva, Monica Speck Cassola, Jorge Antonio Arias Medina
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Publication number: 20190226050Abstract: The instant invention relates to a binder composition for pelletization of fine mineral particles comprising a) at least one colloid agent which exerts a cohesive force on the mineral particles forming the pellets, and b) at least one synthetic polymer which disperses mineral particles evenly in the pellets.Type: ApplicationFiled: March 29, 2019Publication date: July 25, 2019Applicants: Clariant International Ltd., Clariant S.A.Inventors: Stefan DILSKY, Carlos Augusto Blasques TOOGE, Nilson Mar BARTALINI, Almir T. SANTOS, Wagner Claudio DA SILVA, Monica SPECK CASSOLA, Jorge Antonio ARIAS MEDINA
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Publication number: 20180237885Abstract: Binder composition for agglomeration of fine minerals and pelletizing process The instant invention relates to a binder composition for pelletization of fine mineral particles comprising a) at least one colloid agent which exerts a cohesive force on the mineral particles forming the pellets, and b) at least one synthetic polymer which disperses mineral particles evenly in the pellets.Type: ApplicationFiled: April 25, 2018Publication date: August 23, 2018Applicants: Clariant International Ltd., Clariant S.A.Inventors: Stefan DILSKY, Carlos Augusto Blasques TOOGE, Nilson Mar BARTALINI, Almir T. SANTOS, Wagner Claudio DA SILVA, Monica SPECK CASSOLA, Jorge Antonio ARIAS MEDINA
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Publication number: 20180200731Abstract: This invention relates to an composition, comprising A) at least one quaternary ammonium compound which is a collector for the reverse flotation of magnesium minerals from calcium carbonate B) at least one antifoam agent C) a solvent and its use in the reverse flotation of calcium carbonate.Type: ApplicationFiled: March 16, 2018Publication date: July 19, 2018Applicants: CLARIANT INTERNATIONAL LTD., Clariant S.A.Inventors: Stefan DILSKY, Wagner Claudio DA SILVA, Monica SPECK CASSOLA, Nilson Mar BARTALINI, Zaira Guimaraes DUARTE, Jorge Antonio ARIAS MEDINA, Antonio Pedro OLIVEIRA FILHO
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Patent number: 9150808Abstract: The present invention relates to cooling additives for middle distillates, containing A) at least one polyester of formula (A1) wherein one of the radicals R1 to R4 represents a linear C16-C40 alkyl or alkenyl radical and the remainder of the radicals R1 to R4 represent, independently of one another, hydrogen or an alkyl radical having 1 to 3 C atoms, R5 is a C—C bond or an alkylene radical having 1 to 6 C atoms, R16 is a hydrocarbon group having 2 to 10 carbon atoms, n is an integer from 1 to 100, m is an integer from 3 to 250, p is 0 or 1, and q is 0 or 1, B) at least one copolymer of ethylene and of at least one ethylenically unsaturated ester, the copolymer having a melt viscosity, measured at 140 DEG C., of at most 5000 mPas, and C) at least one organic solvent.Type: GrantFiled: December 7, 2010Date of Patent: October 6, 2015Assignee: Clariant Finance (BVI) LimitedInventors: Matthias Krull, Werner Reimann, Stefan Dilsky, Sabine Goetzke
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Publication number: 20150273481Abstract: This invention relates to an composition, comprising A) at least one quaternary ammonium compound which is a collector for the reverse flotation of magnesium minerals from calcium carbonate B) at least one antifoam agent C) a solvent and its use in the reverse flotation of calcium carbonate.Type: ApplicationFiled: May 22, 2013Publication date: October 1, 2015Applicants: Clariant S.A., Clariant Finance (BVI) LimitedInventors: Stefan Dilsky, Wagner Claudio Da Silva, Monica Speck Cassola, Nilson Mar Bartalini, Zaira Guimaraes Duarte, Jorge Antonio Arias Medina, Antonio Pedro Oliveira Filho
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Patent number: 8722593Abstract: The invention relates to compounds with the formula (II), where R is a C1- to C30-alkyl group, a C2- to C30-alkenyl group, a C6- to C18-aryl group, or a C7- to C30-alkylaryl group, AO is a C2-C4-alkoxy group, x is a number from 1 to 50, m is a number between 4 and 12, and to the use thereof in quantities of 0.0001 to 5% by weight relative to the oil content of the emulsion to be demulsified, for splitting water in oil emulsions.Type: GrantFiled: August 24, 2010Date of Patent: May 13, 2014Assignee: Clariant Finance (BVI) LimitedInventor: Stefan Dilsky
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Publication number: 20130000184Abstract: The present invention relates to cooling additives for middle distillates, containing A) at least one comb polymer carrying hydroxyl groups, which can be produced by polycondensation of a polyol that contains two primary OH groups and at least one secondary OH group with a dicarboxylic acid or the anhydride or ester thereof, which carries a C16-C40 alkyl radical or a C16-C40 alkenyl radical, characterized in that the OH number of the comb polymer is at least 40 mg KOH/g, B) at least one copolymer of ethylene and of at least one ethylenically unsaturated ester, and C) at least one organic solvent.Type: ApplicationFiled: December 7, 2010Publication date: January 3, 2013Applicant: CLARIANT FINANCE (BVI) LIMITEDInventors: Matthias Krull, Werner Reimann, Stefan Dilsky, Sabine Goetzke, Dirk Leinweber
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Publication number: 20120304532Abstract: The present invention relates to cooling additives for middle distillates, containing A) at least one polyester of formula (A1) wherein one of the radicals R1 to R4 represents a linear C16-C40 alkyl or alkenyl radical and the remainder of the radicals R1 to R4 represent, independently of one another, hydrogen or an alkyl radical having 1 to 3 C atoms, R5 is a C—C bond or an alkylene radical having 1 to 6 C atoms, R16 is a hydrocarbon group having 2 to 10 carbon atoms, n is an integer from 1 to 100, m is an integer from 3 to 250, p is 0 or 1, and q is 0 or 1, B) at least one copolymer of ethylene and of at least one ethylenically unsaturated ester, the copolymer having a melt viscosity, measured at 140 DEG C, of at most 5000 mPas, and C) at least one organic solvent.Type: ApplicationFiled: December 7, 2010Publication date: December 6, 2012Applicant: CLARIANT FINANCE (BVI) LIMITEDInventors: Matthias Krull, Werner Reimann, Stefan Dilsky, Sabine Goetzke
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Publication number: 20120232171Abstract: The invention relates to the use of alkoxylated cyclic diamines, the reactive groups of which are alkoxylated by means of at least one C2 to C4 alkylene oxide, and the average degree of alkoxylation of which is between 1 and 200 alkylene oxide units per reactive group, in amounts of 0.0001 to 5 wt % relative to the oil content of the emulsion to be broken, to break water-in-oil emulsions.Type: ApplicationFiled: September 3, 2010Publication date: September 13, 2012Applicant: CLARIANT FINANCE (BVI) LIMITEDInventors: Carsten Cohrs, Stefan Dilsky, Dirk Leinweber, Michael Feustel
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Publication number: 20120172270Abstract: The invention relates to compounds with the formula (II), where R is a C1- to C30-alkyl group, a C2- to C30-alkenyl group, a C6- to C18-aryl group, or a C7- to C30-alkylaryl group, AO is a C2-C4-alkoxy group, x is a number from 1 to 50, m is a number between 4 and 12, and to the use thereof in quantities of 0.0001 to 5% by weight relative to the oil content of the emulsion to be demulsified, for splitting water in oil emulsions.Type: ApplicationFiled: August 24, 2010Publication date: July 5, 2012Applicant: CLARIANT FINANCE (BVI) LIMITEDInventor: Stefan Dilsky
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Publication number: 20120043258Abstract: The invention relates to the use of copolymers which can be obtained by the polymerization of monomers (A) and (B), (A) being a monomer of formula (I), wherein A represents a C2 to C4 alkylene group, B represents a C2 to C4 alkylene group different from A, R represents hydrogen or methyl, m is a number from 1 to 500, and n is a number from 1 to 500, and (B) being an ethylenically unsaturated monomer which contains an aliphatic hydrocarbon group, for demulsifying oil/water emulsions in amounts of 0.0001 to 5% by weight, based on the oil content of the emulsion to be demulsified.Type: ApplicationFiled: March 26, 2010Publication date: February 23, 2012Applicant: CLARIANT FINANCE (BVI) LIMITEDInventors: Carsten Schaefer, Carsten Cohrs, Stefan Dilsky
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Publication number: 20120031813Abstract: The invention relates to the use of copolymers which can be obtained by the polymerization of monomers (A) and (B), (A) being a monomer of formula (I), wherein A represents a C2 to C4 alkylene group, B represents a C2 to C4 alkylene group different from A, R represents hydrogen or methyl, m is a number from 1 to 500, and n is a number from 1 to 500, and (B) being an ethylenically unsaturated monomer which contains an aliphatic hydrocarbon group, for demulsifying oil/water emulsions in amounts of 0.0001 to 5% by weight, based on the oil content of the emulsion to be demulsified.Type: ApplicationFiled: March 26, 2010Publication date: February 9, 2012Applicant: CLARIANT FINANCE (BVI) LIMITEDInventors: Carsten Schaefer, Carsten Cohrs, Stefan Dilsky
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Publication number: 20110098507Abstract: The object of the invention is the use of phosphonic acids of the formula (4), where R2 is H or C1-C500-alkyl, and R3 and R4 independently from each other are H or C1-C500-alkyl, with the proviso that not all groups R2, R3, R4 are hydrogen, and having a molecular weight from 250 to 10,000 units, in quantities from 0.5 to 10,000 ppm with respect to the oil, for the dispersion of asphaltenes in asphalt-containing crude oils or residual oils.Type: ApplicationFiled: December 3, 2008Publication date: April 28, 2011Applicant: CLARIANT FINANCE (BVI) LIMITEDInventors: Carsten Cohrs, Stefan Dilsky, Dirk Leinweber, Michael Feustel