Patents by Inventor Sylke Haremza
Sylke Haremza 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: 20230348694Abstract: A mixture comprising one or more compounds of the general formula (II) where R6 is H, C1 to C20 alkyl, where C1 to C20 alkyl comprises straight-chain or branched C1 to C20 alkyl groups or cyclic C3 to C20 alkyl groups, alkanoyl having C1 to C8 alkyl, where C1 to C8 alkyl comprises straight-chain or branched C1 to C8 alkyl groups or cyclic C3 to C8 alkyl groups, cyanophenyl, 2-chlorophenyl, 3-chlorophenyl, 4-chlorophenyl, 2,4-dichlorophenyl, 3,4-dichlorophenyl, 2-bromophenyl, 3-bromophenyl, 4-bromophenyl, 2-methylphenyl, 3-methylphenyl, 4-methylphenyl, dimethylphenyl, such as 3,4-dimethylphenyl, 2-methoxyphenyl, 3-methoxyphenyl, 4-methoxyphenyl, 2-ethylphenyl, 3-ethylphenyl, 4-ethylphenyl, 2-ethoxyphenyl, 3-ethoxyphenyl, 4-ethoxyphenyl, 4-isopropylphenyl, benzyl, 2-pyridyl, 3-pyridyl, 4-pyridyl, (carboxymethyl)phenyl, in which the carboxyl group may also be esterified with C1 to C6 alkyl, where C1 to C6 alkyl comprises straight-chain or branched C1 to C6 alkyl groups or cyclic C3 to C6 alkyl groups, (N,NType: ApplicationFiled: November 23, 2020Publication date: November 2, 2023Inventors: Sylke HAREMZA, Friedrich-Georg MARTIN, Doris KREMZOW-GRAW, Rebecca SURE, Juergen ROMEIS, Korwin SCHELKLE, Friederike FLEISCHHAKER, Jan Niclas GORGES
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Publication number: 20230143616Abstract: Process for making a powder or granule containing (A) at least one chelating agent selected from alkali metal salts of methyl glycine diacetic acid (MGDA) and of iminodisuccinic acid (IDS), (B) at least one compound of general formula (I a) or (I b) wherein A1 is selected from (CH2)a wherein the variable a is in the range of from 4 to 20, e is selected from zero and 1, and R1 being the same or different and selected from O—C1-C10-alkyl and C1-C10-alkyl, and, optionally, (C) at least one homo- or copolymer of (meth)acrylic acid, partially or fully neutralized with alkali, said process comprising the steps of (a) providing an aqueous solution or slurry containing chelating agent (A) and said compound (B) and, if applicable, (co)polymer (C), with a pH value in the range of from 10 to 12, (b) removing most of said water by spray drying or spray granulation.Type: ApplicationFiled: March 12, 2021Publication date: May 11, 2023Inventors: Marta REINOSO GARCIA, Sylke HAREMZA, Tile GIESHOFF, Dan-Tam Daniel TANG, Thomas SCHMIDT, Michael Klemens MUELLER
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Patent number: 11447439Abstract: Process for inhibiting the undesired free-radical polymerization of acrylic acid present in a liquid phase P, wherein the acrylic acid content of P is at least 10% by weight, the liquid phase P comprises in the range from 25 to 1000 ppmw of glyoxal based on the weight of the acrylic acid present in P and the liquid phase P is admixed with furfural in an amount that results in a furfural content in the range from 25 to 1000 ppmw based on the weight of the acrylic acid present in P. Liquid phase P, wherein the acrylic acid content of P is at least 10% by weight and the liquid phase P comprises in the range from 25 to 1000 ppmw of glyoxal and in the range from 25 to 1000 ppmw of furfural in each case based on the weight of the acrylic acid present in P.Type: GrantFiled: July 16, 2019Date of Patent: September 20, 2022Inventors: Nicole Janssen, Peter Zurowski, Ulrich Hammon, Sylke Haremza
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Publication number: 20210309598Abstract: Process for inhibiting the undesired free-radical polymerization of acrylic acid present in a liquid phase P, wherein the acrylic acid content of P is at least 10% by weight, the liquid phase P comprises in the range from 25 to 1000 ppmw of glyoxal based on the weight of the acrylic acid present in P and the liquid phase P is admixed with furfural in an amount that results in a furfural content in the range from 25 to 1000 ppmw based on the weight of the acrylic acid present in P. Liquid phase P, wherein the acrylic acid content of P is at least 10% by weight and the liquid phase P comprises in the range from 25 to 1000 ppmw of glyoxal and in the range from 25 to 1000 ppmw of furfural in each case based on the weight of the acrylic acid present in P.Type: ApplicationFiled: July 16, 2019Publication date: October 7, 2021Inventors: Nicole JANSSEN, Peter ZUROWSKI, Ulrich HAMMON, Sylke HAREMZA
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Patent number: 10661348Abstract: The present invention relates to the use of a compound as a capping agent for controlling or modifying the growth of silver nanowires in a polyol method. The invention also relates to a corresponding method of making silver nanowires. And even further, the present invention relates to a product comprising silver nanowires having adsorbed to their surface a capping agent compound.Type: GrantFiled: March 3, 2016Date of Patent: May 26, 2020Assignee: BASF SEInventors: Li Chen, Friederike Fleischhaker, Andrea Misske, Sylke Haremza
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Publication number: 20180043436Abstract: The present invention relates to the use of a compound as a capping agent for controlling or modifying the growth of silver nanowires in a polyol method. The invention also relates to a corresponding method of making silver nanowires. And even further, the present invention relates to a product comprising silver nanowires having adsorbed to their surface a capping agent compound.Type: ApplicationFiled: March 3, 2016Publication date: February 15, 2018Applicant: BASF SEInventors: Li CHEN, Friederike FLEISCHHAKER, Andrea MISSKE, Sylke HAREMZA
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Patent number: 9776940Abstract: A process for production of acrylic acid includes preparing a product gas mixture by a catalytic gas-phase oxidation of a C3 precursor; cooling and contacting the cooled product gas mixture in an absorption column having at least two cooling loops in countercurrent with an absorbent to obtain an absorbate A, containing the absorbent and absorbed acrylic acid; condensing a high boiler fraction of the product gas mixture in a first cooling loop; condensing a low boiler fraction of the product gas mixture in a second cooling loop; maintaining a temperature of the absorbate A in the second cooling loop at a value of at least 56° C.; removing an acid water stream comprising glyoxal from the absorption column at a side take-off located above the second cooling loop; and removing a stream F of absorbate A from the absorption column at a side take-off, located at a height of the absorption column between the first cooling loop and the second cooling loop.Type: GrantFiled: August 3, 2016Date of Patent: October 3, 2017Assignee: BASF SEInventors: Tobias Korn, Till Blum, Travis Carline, Christopher Fuchs, Darryl Welch, Peter Zurowski, Volker Schliephake, Steffen Rissel, Thorsten Friese, Ulrich Jaeger, Sylke Haremza
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Publication number: 20170189832Abstract: Process for manufacturing a coated mesh for oil-water separation by coating a mesh with a curable coating composition and crosslinking the coating thereby providing hydrophilic properties to the surface of the mesh, a coated mesh available by said process and the use of such coated mesh for oil-water separation.Type: ApplicationFiled: April 1, 2015Publication date: July 6, 2017Inventors: FRIEDERIKE FLEISCHHAKER, Christian RAITH, Sylke HAREMZA, Peter ZUROWSKI
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Patent number: 9677053Abstract: Provided herein are isolated laccase enzymes and nucleic acids encoding them. Also provided are mediators for laccase reactions. Also provided herein are methods for using laccases to oxidize lignins, other phenolic, and aromatic compounds, such as for bio-bleaching and decolorization of wood pulp under high temperature and pH conditions to facilitate a substantial reduction in use of bleaching chemicals, as well as for treatment of fibers.Type: GrantFiled: April 28, 2016Date of Patent: June 13, 2017Assignees: BASF Enzymes LLC, BASF SEInventors: Janne Samuli Kerovuo, Sylke Haremza, Oliver Koch, Tilo Habicher, Dan E. Robertson, Grace Desantis, Ryan McCann, Peter Luginbuhl
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Publication number: 20170036982Abstract: The invention is related to a process for production of acrylic acid comprising the following steps: a) preparation of a product gas mixture by a catalytic gas-phase oxidation of at least one C3 precursor compound to acrylic acid, wherein acrylic acid is formed as a main product of the catalytic gas-phase oxidation and glyoxal is formed as a by-product and the product gas mixture comprises acrylic acid and glyoxal, b) cooling of the product gas mixture, c) contacting the product gas mixture in countercourrent with an absorbent, wherein an absorbate A, comprising the absorbent and absorbed acrylic acid, is formed, d) introducing a feed stream F (2) comprising at least part of the absorbate A into a rectification column comprising a rectifying section and a stripping section, e) enriching the absorbent in the stripping section and enriching acrylic acid in the rectifying section, f) withdrawing a stream C of crude acrylic acid comprising at least 90% by weight of acrylic acid out of the rectifying section as aType: ApplicationFiled: August 3, 2016Publication date: February 9, 2017Applicant: BASF SEInventors: Tobias KORN, Till BLUM, Travis CARLINE, Christopher FUCHS, Darryl WELCH, Peter ZUROWSKI, Volker SCHLIEPHAKE, Steffen RISSEL, Thorsten FRIESE, Ulrich JAEGER, Sylke HAREMZA
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Publication number: 20170002178Abstract: Suitable stabilizers for organic material are a mixture comprising A. at least one oligomeric compound, comprising repeat units of the formula (I), in which the meanings of the symbols are as follows: R1 is hydrogen, C1-C6-alkyl, formyl, C2-C6-alkanoyl, C1-C12-alkoxy, C5-C6-cycloalkoxy, cyanomethyl, 2-hydroxyethyl, benzyl or a radical of the formula —CR??—H—CO—OR?, where R? is hydrogen, C1-C6-alkyl or a radical of the formula —CO—OR?, and R? is C1-C18-alkyl, C5-C8-cycloalkyl, C7-C18-aralkyl, phenyl, or tolyl; R2 is a mixture composed of C14-C28-alkyl groups, where two of these alkyl groups whose number of carbon atoms is not permitted to differ by more than two respectively make up at least 30% of this mixture; R3 and R4, independently of one another, are C1-C6-alkyl; and B.Type: ApplicationFiled: September 19, 2016Publication date: January 5, 2017Applicant: BASF SEInventors: Simon SCHAMBONY, Alban Glaser, Hubert Trauth, Manfred Appel, Sylke Haremza
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Patent number: 9475918Abstract: Suitable stabilizers for organic material are a mixture comprising A. at least one oligomeric compound, comprising repeat units of the formula (I), in which the meanings of the symbols are as follows: R1 is hydrogen, C1-C6-alkyl, formyl, C2-C6-alkanoyl, C1-C12-alkoxy, C5-C6-cycloalkoxy, cyanomethyl, 2-hydroxyethyl, benzyl or a radical of the formula —CR??CH—CO—OR?, where R? is hydrogen, C1-C6-alkyl or a radical of the formula —CO—OR?, and R? is C1-C18-alkyl, C5-C8-cycloalkyl, C7-C18-aralkyl, phenyl, or tolyl; R2 is a mixture composed of C14-C28-alkyl groups, where two of these alkyl groups whose number of carbon atoms is not permitted to differ by more than two respectively make up at least 30% of this mixture; R3 and R4, independently of one another, are C1-C6-alkyl; and B.Type: GrantFiled: May 1, 2013Date of Patent: October 25, 2016Assignee: BASF SEInventors: Simon Schambony, Alban Glaser, Hubert Trauth, Manfred Appel, Sylke Haremza
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Publication number: 20160237411Abstract: Provided herein are isolated laccase enzymes and nucleic acids encoding them. Also provided are mediators for laccase reactions. Also provided herein are methods for using laccases to oxidize lignins, other phenolic, and aromatic compounds, such as for bio-bleaching and decolorization of wood pulp under high temperature and pH conditions to facilitate a substantial reduction in use of bleaching chemicals, as well as for treatment of fibers.Type: ApplicationFiled: April 28, 2016Publication date: August 18, 2016Inventors: JANNE SAMULI KEROVUO, SYLKE HAREMZA, OLIVER KOCH, TILO HABICHER, DAN E. ROBERTSON, GRACE DESANTIS, RYAN MCCANN, PETER LUGINBUHL
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Patent number: 9353477Abstract: Provided herein are isolated laccase enzymes and nucleic acids encoding them. Also provided are mediators for laccase reactions. Also provided herein are methods for using laccases to oxidize lignins and other phenolic and aromatic compounds, such as for bio-bleaching and decolorization of wood pulp under high temperature and pH conditions to facilitate a substantial reduction in use of bleaching chemicals, as well as for treatment of fibers.Type: GrantFiled: January 7, 2015Date of Patent: May 31, 2016Assignee: BASF Enzymes LLCInventors: Janne Samuli Kerovuo, Sylke Haremza, Oliver Koch, Tilo Habicher, Dan E. Robertson, Grace Desantis, Ryan McCann, Peter Luginbuhl
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Patent number: 9212122Abstract: A process for inhibiting unwanted free-radical polymerization of acrylic acid present in a liquid phase P whose acrylic acid content is at least 10% by weight and which, based on the weight of the acrylic acid present therein, additionally comprises at least 100 ppm by weight of propionic acid and at least 100 ppm by weight of glyoxal, in which at least one chemical compound of the element copper is added to the liquid phase P, and the resulting liquid phases P to which a chemical compound of the element copper has been added.Type: GrantFiled: October 5, 2011Date of Patent: December 15, 2015Assignee: BASF SEInventors: Till Blum, Peter Zurowski, Tobias Johannes Korn, Sylke Haremza, Thorsten Friese, Friedrich-Georg Martin, Ulrich Jäger, Steffen Rissel, Volker Schliephake
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Patent number: 9206109Abstract: In a method of stabilizing acrylic compounds, a liquid phase containing at least one acrylic compound is mixed with at least one metal and at least one ligand. The acrylic compound can be acrylic acid, methacrylic acid, and their respective esters. The metal can be copper, manganese, and cerium. The ligand can be a quinoline compound of formula (I), an N-oxide of a compound of formula (I), 2,2?-bis(2,3-dihydro-3-oxoindolylidene), or an aliphatic y-dentate ligand with y being 2-6 and comprising at least two nitrogen atoms joined by aliphatic or aromatic C1-C4 bridges comprising y-2 further coordinating nitrogen atoms or heteroatoms: where X is OH, NH2, O—(C1-C4)-alkyl, O—C(O)—(C1-C4)-alkyl, or O—C(O)-phenyl; R1 is H, or (C1-C4)-alkyl; R2 is H, (C1-C4)-alkyl, Cl, Br, or SO3H; and R3 is H, Cl or Br.Type: GrantFiled: December 12, 2013Date of Patent: December 8, 2015Assignee: BASF SEInventors: Tobias Johannes Korn, Peter Zurowski, Thorsten Friese, Sylke Haremza, Ulrich Jaeger, Steffen Rissel, Volker Schliephake
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Patent number: 9125411Abstract: The present invention provides the use of a UV absorber for reducing the E/Z isomerization of pesticides comprising a double bond. It furthermore relates to a composition comprising an E and/or a Z isomer of a pesticide comprising a double bond and a UV absorber.Type: GrantFiled: April 13, 2011Date of Patent: September 8, 2015Assignee: BASF SEInventors: Michael Ishaque, Vijay Narayanan Swaminathan, Sylke Haremza, Claude Taranta, William Baxter
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Patent number: 9096513Abstract: A process for inhibiting unwanted free-radical polymerization of acrylic acid present in a liquid phase P whose acrylic acid content is at least 10% by weight and which, based on the weight of the acrylic acid present therein, additionally comprises at least 100 ppm by weight of propionic acid and at least 100 ppm by weight of glyoxal, in which at least one chemical compound of the element copper is added to the liquid phase P, and the resulting liquid phases P to which a chemical compound of the element copper has been added.Type: GrantFiled: October 5, 2011Date of Patent: August 4, 2015Assignee: BASF SEInventors: Till Blum, Peter Zurowski, Tobias Johannes Korn, Sylke Haremza, Thorsten Friese, Friedrich-Georg Martin, Ulrich Jäger, Steffen Rissel, Volker Schliephake
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Patent number: 9034955Abstract: The present invention relates to the use of certain benzotriazole derivatives of the general formula (I) where B is an optionally substituted 2-(2-hydroxyphenyl)-2H-benzotriazole group, n is an integer from the range from 3 to 20 and A is an n-valent organic radical, as UV absorber or stabilizer in inanimate organic materials. Furthermore, the invention relates to methods of stabilizing inanimate organic materials, in particular plastics, against the effect of light using specific benzotriazole derivatives. Further subject matters of the invention are certain benzotriazole derivatives and inanimate organic materials comprising certain benzotriazole derivatives.Type: GrantFiled: May 11, 2010Date of Patent: May 19, 2015Assignee: BASF SEInventors: Sylke Haremza, Andrea Misske, Simon Schambony, Alban Glaser
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Publication number: 20150125936Abstract: Provided herein are isolated laccase enzymes and nucleic acids encoding them. Also provided are mediators for laccase reactions. Also provided herein are methods for using laccases to oxidize lignins and other phenolic and aromatic compounds, such as for bio-bleaching and decolorization of wood pulp under high temperature and pH conditions to facilitate a substantial reduction in use of bleaching chemicals, as well as for treatment of fibers.Type: ApplicationFiled: January 7, 2015Publication date: May 7, 2015Inventors: JANNE SAMULI KEROVUO, SYLKE HAREMZA, OLIVER KOCH, TILO HABICHER, DAN E. ROBERTSON, GRACE DESANTIS, RYAN MCCANN, PETER LUGINBUHL