Patents by Inventor Kati Schmidt
Kati Schmidt 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: 20230109638Abstract: Described herein is an automatic dishwashing (ADW) composition including as component (A) at least one imidazole-based compound selected from the group consisting of unsubstituted or at least monosubstituted imidazole and benzimidazole. The automatic dishwashing composition may include further components, such as polyakylene imines (component (B)), at least one silicate (component (C)) and/or at least one chelating agent (component (D)). Also described herein is a process for cleaning dishware using said ADW composition as well as a method of using said ADW composition, for example, to reduce any corrosion on the items to be dishwashed (dishware). Also described herein is a method of using at least one imidazole-based compound according to component (A) as a corrosion inhibitor in automatic dishwashing processes.Type: ApplicationFiled: February 24, 2021Publication date: April 6, 2023Inventors: Stephan HUEFFER, Torben ADERMANN, Kati SCHMIDT, Roland ETTL, Tobias URBAN
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Publication number: 20230025816Abstract: Process for making a granule containing (A) at least one chelating agent selected from alkali metal salts of methyl glycine diacetic acid (MGDA) and of iminodisuccinic acid (IDS), and, optionally, (B) 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, if applicable, (co)polymer (B), (b) removing most of said water by spray granulation in a fluidized bed, (c) treating the resultant granule in a vessel of which at least one part rotates around a horizontal axis and wherein said vessel is selected from paddle mixers, free-fall mixers and plough share mixers.Type: ApplicationFiled: December 1, 2020Publication date: January 26, 2023Inventors: Michael SCHOENHERR, Kati SCHMIDT, Johannes Felix HAUS, Michael Klemens MUELLER, Frank JAEKEL, Marta REINOSO GARCIA, Volker KLOCK
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Patent number: 9802884Abstract: Mixture of L- and D-enantiomers of methyl glycine diacetic acid (MGDA) or its respective mono-, di or trialkali metal or mono-, di- or triammonium salts, said mixture containing predominantly the respective L-isomer with an enantiomeric excess (ee) in the range of from 10 to 75%.Type: GrantFiled: September 5, 2014Date of Patent: October 31, 2017Assignee: BASF SEInventors: Marta Reinoso Garcia, Markus Hartmann, Kati Schmidt, Matthias Rauls, Thomas Schmidt, Paul Klingelhoefer, Alfred Oftring, Somnath Shivaji Kadam
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Publication number: 20160221931Abstract: Mixture of L- and D-enantiomers of methyl glycine diacetic acid (MGDA) or its respective mono-, di or trialkali metal or mono-, di- or triammonium salts, said mixture containing predominantly the respective L-isomer with an enantiomeric excess (ee) in the range of from 10 to 75%.Type: ApplicationFiled: September 5, 2014Publication date: August 4, 2016Applicant: BASF SEInventors: Marta REINOSO GARCIA, Markus HARTMANN, Kati SCHMIDT, Matthias RAULS, Thomas SCHMIDT, Paul KLINGELHOEFER, Alfred OFTRING, Somnath Shivaji KADAM
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Patent number: 9163103Abstract: Water-soluble, hydrophobically associating copolymers which comprise new types of hydrophobically associating monomers. The monomers comprise an ethylenically unsaturated group and a polyether group with block structure comprising a hydrophilic polyalkylene oxide block which consists essentially of ethylene oxide groups, and a terminal, hydrophobic polyalkylene oxide block which consists of alkylene oxides with at least 4, preferably at least 5 carbon atoms.Type: GrantFiled: July 3, 2014Date of Patent: October 20, 2015Assignee: BASF SEInventors: Roland Reichenbach-Klinke, Thomas Pfeuffer, Kati Schmidt, Thomas Ostrowski, Reinhold J. Leyrer, Yulia Fogel, Stefan Friedrich, Peter Gaeberlein, Andrea Orleans, Manfred Schuhbeck, Marcus Guzmann, Marcus Rösch, Bjorn Langlotz
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Publication number: 20140316035Abstract: Water-soluble, hydrophobically associating copolymers which comprise new types of hydrophobically associating monomers. The monomers comprise an ethylenically unsaturated group and a polyether group with block structure comprising a hydrophilic polyalkylene oxide block which consists essentially of ethylene oxide groups, and a terminal, hydrophobic polyalkylene oxide block which consists of alkylene oxides with at least 4, preferably at least 5 carbon atoms.Type: ApplicationFiled: July 3, 2014Publication date: October 23, 2014Applicant: BASF SEInventors: ROLAND REICHENBACH-KLINKE, Thomas Pfeuffer, Kati Schmidt, Thomas Ostrowski, Reinhold J. Leyrer, Yulia Fogel, Stefan Friedrich, Peter Gaeberlein, Andrea Orleans, Manfred Schuhbeck, Marcus Guzmann, Marcus Rösch, Bjorn Langlotz
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Patent number: 8865639Abstract: The invention relates to copolymers which contain a) at least 15% by weight units of an ethylenically unsaturated carboxylic acid, b) at least 15% by weight units of a C4-C8-alkylacrylats, c) less than 5% by weight units of methyl methacrylate, and are used as thickeners in liquid textile detergents. The copolymers can additionally contain units of a non-ionic ethylenically unsaturated surfactant monomer that are incorporated by polymerization. The thickeners are characterized by high thickening action, high shear thinning and low graying of the laundry after the washing process.Type: GrantFiled: February 11, 2011Date of Patent: October 21, 2014Assignee: BASF SEInventors: Christofer Arisandy, Kati Schmidt, Reinhold J. Leyrer
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Patent number: 8783356Abstract: Water-soluble, hydrophobically associating copolymers which comprise new types of hydrophobically associating monomers. The monomers comprise an ethylenically unsaturated group and a polyether group with block structure comprising a hydrophilic polyalkylene oxide block which consists essentially of ethylene oxide groups, and a terminal, hydrophobic polyalkylene oxide block which consists of alkylene oxides with at least 4, preferably at least 5 carbon atoms.Type: GrantFiled: November 19, 2012Date of Patent: July 22, 2014Assignee: BASF SEInventors: Roland Reichenbach-Klinke, Thomas Pfeuffer, Kati Schmidt, Thomas Ostrowski, Reinhold J. Leyrer, Yulia Fogel, Stefan Friedrich, Peter Gaeberlein, Andrea Orleans, Manfred Schuhbeck, Marcus Guzmann, Marcus Rösch, Bjorn Langlotz
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Patent number: 8524649Abstract: An aqueous dispersion of a copolymer with copolymerized units a) of at least one ethylenically unsaturated carboxylic acid, b) of at least one nonionic ethylenically unsaturated surfactant monomer, c) of at least one C1-C2-alkyl methacrylate, d) of at least one C2-C4-alkyl acrylate, where the alkyl chain length averaged over the number of alkyl groups of the alkyl acrylate is 2.1 to 4.0, is described. Following neutralization with alkali, the dispersion serves as associative thickener, in particular for liquid detergent and cleaner formulations. The thickeners are characterized by high transparency and high thickening effect coupled with high shear dilution.Type: GrantFiled: August 1, 2008Date of Patent: September 3, 2013Assignee: BASF SEInventors: Reinhold J Leyrer, Kati Schmidt
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Publication number: 20130040870Abstract: The invention relates to copolymers which contain a) at least 15% by weight units of an ethylenically unsaturated carboxylic acid, b) at least 15% by weight units of a C4-C8-alkylacrylats, c) less than 5% by weight units of methyl methacrylate, and are used as thickeners in liquid textile detergents. The copolymers can additionally contain units of a non-ionic ethylenically unsaturated surfactant monomer that are incorporated by polymerization. The thickeners are characterized by high thickening action, high shear thinning and low graying of the laundry after the washing process.Type: ApplicationFiled: February 11, 2011Publication date: February 14, 2013Applicant: BASF SEInventors: Christofer Arisandy, Kati Schmidt, Reinhold J. Leyrer
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Patent number: 8362180Abstract: Water-soluble, hydrophobically associating copolymers which comprise new types of hydrophobically associating monomers. The monomers comprise an ethylenically unsaturated group and a polyether group with block structure comprising a hydrophilic polyalkylene oxide block which consists essentially of ethylene oxide groups, and a terminal, hydrophobic polyalkylene oxide block which consists of alkylene oxides with at least 4, preferably at least 5 carbon atoms.Type: GrantFiled: May 20, 2010Date of Patent: January 29, 2013Assignee: BASF SEInventors: Roland Reichenbach-Klinke, Thomas Pfeuffer, Kati Schmidt, Thomas Ostrowski, Reinhold J Leyrer, Yulia Fogel, Stefan Friedrich, Peter Gaeberlein, Andrea Orleans, Manfred Schuhbeck, Marcus Guzmann, Markus Rösch, Björn Langlotz
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Patent number: 8232356Abstract: A method is described for producing an aqueous thickener dispersion from a monomer composition made of at least one ethylenically unsaturated carboxylic acid and at least one ethylenically unsaturated hydrophobic monomer, (i) an at least partially polymerized pre-emulsion being produced from 10 to 80 wt.-% of said monomer composition, and (ii) the residual quantity of said monomer composition being added completely to the at least partially polymerized pre-emulsion and initiating a radical polymerization. The monomer composition preferably also comprises an associative monomer. The method avoids disadvantages of batch polymerization, such as inadequate batch-to-batch reproducibility and safety problems.Type: GrantFiled: November 13, 2008Date of Patent: July 31, 2012Assignee: BASF SEInventors: Reinhold J. Leyrer, Kati Schmidt
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Publication number: 20120034146Abstract: The invention relates to improved novel carrier fluids for abrasives, in particular cutting fluids, for wafer production, the use thereof and a method of cutting wafers.Type: ApplicationFiled: August 1, 2011Publication date: February 9, 2012Applicant: BASF SEInventors: Hans-Peter SEELMANN-EGGEBERT, Andreas SENF, Markus Roesch, Joachim BENTELE, Kati SCHMIDT, Udo STEFANOWSKI
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Publication number: 20110230387Abstract: An aqueous dispersion of a copolymer with copolymerized units a) of at least one ethylenically unsaturated carboxylic acid, b) of at least one nonionic ethylenically unsaturated surfactant monomer, c) of at least one C1-C2-alkyl methacrylate, d) of at least one C2-C4-alkyl acrylate, where the alkyl chain length averaged over the number of alkyl groups of the alkyl acrylate is 2.1 to 4.0, is described. Following neutralization with alkali, the dispersion serves as associative thickener, in particular for liquid detergent and cleaner formulations. The thickeners are characterized by high transparency and high thickening effect coupled with high shear dilution.Type: ApplicationFiled: August 1, 2008Publication date: September 22, 2011Applicant: BASF SEInventors: Reinhold J Leyrer, Kati Schmidt
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Publication number: 20100331510Abstract: Water-soluble, hydrophobically associating copolymers which comprise new types of hydrophobically associating monomers. The monomers comprise an ethylenically unsaturated group and a polyether group with block structure comprising a hydrophilic polyalkylene oxide block which consists essentially of ethylene oxide groups, and a terminal, hydrophobic polyalkylene oxide block which consists of alkylene oxides with at least 4, preferably at least 5 carbon atoms.Type: ApplicationFiled: May 20, 2010Publication date: December 30, 2010Applicant: BASF SEInventors: Roland Reichenbach-Klinke, Thomas Pfeuffer, Kati Schmidt, Thomas Ostrowski, Reinhold J. Leyrer, Yulia Fogel, Stefan Friedrich, Peter Gaeberlein, Andrea Orleans, Manfred Schuhbeck, Marcus Guzmann, Markus Rösch, Björn Langlotz
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Publication number: 20100267096Abstract: The invention relates to the use of a synergistic mixture of water-soluble polymers with thickening action and hydrophobins for thickening aqueous phases, and to the degradation of the thickening action by cleaving the protein. The invention further relates to a thickening composition of water-soluble polymers, hydrophobins and water.Type: ApplicationFiled: March 9, 2010Publication date: October 21, 2010Applicant: BASF SEInventors: Ulf Baus, Thorsten Montag, Thomas Subkowski, Claus Bollschweiler, Kati Schmidt
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Publication number: 20100210771Abstract: A method is described for producing an aqueous thickener dispersion from a monomer composition made of at least one ethylenically unsaturated carboxylic acid and at least one ethylenically unsaturated hydrophobic monomer, (i) an at least partially polymerized pre-emulsion being produced from 10 to 80 wt.-% of said monomer composition, and (ii) the residual quantity of said monomer composition being added completely to the at least partially polymerized pre-emulsion and initiating a radical polymerization. The monomer composition preferably also comprises an associative monomer. The method avoids disadvantages of batch polymerization, such as inadequate batch-to-batch reproducibility and safety problems.Type: ApplicationFiled: November 13, 2008Publication date: August 19, 2010Applicant: BASF SEInventors: Reinhold J. Leyrer, Kati Schmidt
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Publication number: 20090142596Abstract: The process for producing multilayered sheetlike structures, particles or fibers comprises the steps of (a) applying a reactive polycarboxylic acid or one of its derivatives atop a sheetlike, particulate or fibrous carrier material already comprising, or previously provided with, groups reactive toward, capable of covalent bonding with, the polycarboxylic acid or one of its derivatives, (b) if appropriate heating the carrier material treated in step (a) to a temperature in the range from 60° C. to 130° C. and preferably to a temperature in the range from 80° C. to 120° C. to hasten, complete or further optimize the covalent bonds, (c) applying atop the carrier material a cellulose capable of covalent bonding with the polycarboxylic acid or its derivatives.Type: ApplicationFiled: October 20, 2005Publication date: June 4, 2009Applicant: BASF AktiengesellschaftInventors: Uwe Freudenberg, Stefan Zschoche, Carsten Werner, Kati Schmidt, Sven Holger Behrens, Helmut Auweter
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Patent number: 7297205Abstract: The invention relates to the use of polyacrylic acids which contain organic terminal groups containing sulphur, comprising at least two carbon atoms, having an average molecular weight Mw of 5 000-30 000 g/mol and which are at least partially neutralized by a base which is selected from the group of alkali hydroxides and ammonia as auxiliary agents for wet grinding of calcium carbonate. The invention also relates to fine particle aqueous suspensions of calcium carbonate which are produced by wet grinding of calcium carbonate in the presence of said polyacrylic acids.Type: GrantFiled: March 5, 2004Date of Patent: November 20, 2007Assignee: BASF AktiengesellschaftInventors: Kathrin Michl, Michael Gotsche, Jens Rieger, Kati Schmidt
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Publication number: 20060287423Abstract: The invention relates to the use of polyacrylic acids which contain organic terminal groups containing sulphur, comprising at least two carbon atoms, having an average molecular weight Mw of 5 000-30 000 g/mol and which are at least partially neutralized by a base which is selected from the group of alkali hydroxides and ammonia as auxiliary agents for wet grinding of calcium carbonate. The invention also relates to fine particle aqueous suspensions of calcium carbonate which are produced by wet grinding of calcium carbonate in the presence of said polyacrylic acids.Type: ApplicationFiled: March 5, 2004Publication date: December 21, 2006Applicant: BASF AktiengesellschaftInventors: Kathrin Michl, Michael Gotsche, Jens Rieger, Kati Schmidt