Patents by Inventor Britta Schnieders
Britta Schnieders 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: 10988567Abstract: The present invention relates to aqueous dispersions comprising multistage-prepared polymers of olefinically unsaturated compounds and to the preparation and use thereof, in particular in the field of automobile coating.Type: GrantFiled: February 23, 2017Date of Patent: April 27, 2021Assignee: BASF Coatings GmbHInventors: Cathrin Corten, Dirk Eierhoff, Britta Schnieders, Nicole Freitag, Heinz-Ulrich Grumpe, Mechthild Vienenkoetter, Ralf Nickolaus
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Patent number: 10920100Abstract: Provided herein is a method for producing a multicoat paint system on a metallic substrate by producing a basecoat or a plurality of directly successive basecoats directly on a metallic substrate coated with a cured electrocoat system, producing a clearcoat directly on the one or the topmost of the plurality of basecoats, and subsequently jointly curing the one or the plurality of basecoats and the clearcoat, wherein at least one basecoat material used for producing the basecoats includes at least one aqueous dispersion which includes a polymer whose preparation includes successive radical emulsion polymerization of three mixtures of olefinically unsaturated monomers.Type: GrantFiled: June 3, 2016Date of Patent: February 16, 2021Assignee: BASF COATINGS GMBHInventors: Cathrin Corten, Dirk Eierhoff, Patrick Wilm, Britta Schnieders, Nicole Freitag, Heinz-Ulrich Grumpe, Joerg Schwarz
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Patent number: 10907069Abstract: Provided herein is a mixer system for producing refinish compositions, more particularly for the sector of automotive finishing, including at least mutually different components (1), (2), and (3), namely component (1) as base varnish, component (2) as tinting base, and component (3) as rheology module, with at least one of components (1) to (3) including at least one aqueous dispersion including at least one polymer prepared by multistage emulsion polymerization, and at least one of components (1) to (3) including at least one aliphatic monoalcohol having 5 carbon atoms and/or at least one aliphatic monoalcohol having 6 carbon atoms. Further provided herein is an aqueous refinish composition that is produced by the mixing of components (1) to (3), and a method for producing aqueous refinish compositions. Further provided herein is a use of the mixer system for producing aqueous refinish compositions for automotive refinishing.Type: GrantFiled: July 20, 2017Date of Patent: February 2, 2021Assignee: BASF Coatings GmbHInventors: Cathrin Corten, Dirk Eierhoff, Britta Schnieders, Nicole Freitag, Josef Rademacher, Michael Grabbe
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Publication number: 20200199284Abstract: Described herein are aqueous dispersions including multistage-prepared polymers of olefinically unsaturated compounds and to the preparation and use thereof, in particular in the field of automobile coating.Type: ApplicationFiled: February 23, 2017Publication date: June 25, 2020Inventors: Cathrin Corten, Dirk Eierhoff, Britta Schnieders, Nicole Freitag, Heinz-Ulrich Grumpe, Mechthild Vienenkoetter, Ralf Nickolaus
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Publication number: 20200199398Abstract: Provided herein is a method for producing a multicoat paint system on a metallic substrate by producing a basecoat or a plurality of directly successive basecoats directly on a metallic substrate coated with a cured electrocoat system, producing a clearcoat directly on the one or the topmost of the plurality of basecoats, and subsequently jointly curing the one or the plurality of basecoats and the clearcoat, wherein at least one basecoat material used for producing the basecoats includes at least one aqueous dispersion which includes a polymer whose preparation includes successive radical emulsion polymerization of three mixtures of olefinically unsaturated monomers.Type: ApplicationFiled: June 3, 2016Publication date: June 25, 2020Inventors: Cathrin Corten, Dirk Eierhoff, Patrick Wilm, Britta Schnieders, Nicole Freitag, Heinz-Ulrich Grumpe, Joerg Schwarz
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Patent number: 10689468Abstract: The present invention relates to a copolymer (A) having a glass transition temperature Tg of at least ?30° C. obtainable by copolymerization of a mixture of olefinically unsaturated monomers (a) in at least one organic solvent and in the presence of at least one initiator, where the mixture of monomers (a) to be polymerized comprises (a1) 10 to 60 mol % of at least one monomer of the formula (I) below where R1=C1 to C4 alkoxy, R2=C1 to C4 alkyl, and m=0 to 2, and (a2) 40 to 90 mol % of at least one olefinically unsaturated monomer selected from the group consisting of monomers of the formulae H2C?CH2—(C?O)—O—Rx, H2C?CH(CH3)—(C?O)—O—Rx, and H2C?CH2—O—(C?O)—Rx, where Rx is an alkyl radical having 1 to 20 carbon atoms, and where the sum total of the molar fractions of the monomers (a1) and (a2), based on the total molar amount of monomers (a) used, is at least 90 mol %, and where the copolymerization is carried out at a temperature from 60 to 200° C. and at a pressure of at least 2 bar.Type: GrantFiled: November 20, 2015Date of Patent: June 23, 2020Assignee: BASF Coatings GmbHInventors: Andreas Poppe, Norbert Loew, Cathrin Corten, Britta Schnieders, Wei Qiu Hu
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Patent number: 10577505Abstract: The invention relates to aqueous dispersions comprising multistage-prepared polymers, and also to coating material compositions comprising them, preparable by multistage polymerization of olefinically unsaturated monomers, using an emulsifier and a water-soluble initiator, under conditions of starved feed polymerization, and using particular monomer mixtures in the individual stages. The invention also relates to a pigmented aqueous basecoat material comprising the aqueous dispersion of the invention, to the use of the aqueous dispersion of the invention in aqueous basecoat materials for improving adhesion, to a process for producing a multicoat paint system on a substrate, and to a multicoat paint system produced in accordance with the stated process.Type: GrantFiled: January 8, 2016Date of Patent: March 3, 2020Assignee: BASF Coatings GmbHInventors: Cathrin Corten, Dirk Eierhoff, Britta Schnieders, Nicole Freitag, Heinz-Ulrich Grumpe, Elisabeth Wessling, Joerg Schwarz, Mechthild Vienenkoetter, Patrick Wilm
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Patent number: 10544250Abstract: The present invention relates to a solventborne, pigmented coating composition, which comprises, based on the total amount of the coating composition, 0.02 to 0.75 wt % of at least one copolymer (A), where the copolymer (A) is obtainable by copolymerization of a mixture of olefinically unsaturated monomers (a) in at least one organic solvent and the copolymer (A) possesses a glass transition temperature Tg of at least ?30° C.Type: GrantFiled: November 20, 2015Date of Patent: January 28, 2020Assignee: BASF Coatings GmbHInventors: Andreas Poppe, Norbert Loew, Cathrin Corten, Britta Schnieders, Wei Qiu Hu
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Publication number: 20200010721Abstract: Provided herein is a mixer system for producing refinish compositions, more particularly for the sector of automotive finishing, including at least mutually different components (1), (2), and (3), namely component (1) as base varnish, component (2) as tinting base, and component (3) as rheology module, with at least one of components (1) to (3) including at least one aqueous dispersion including at least one polymer prepared by multistage emulsion polymerization, and at least one of components (1) to (3) including at least one aliphatic monoalcohol having 5 carbon atoms and/or at least one aliphatic monoalcohol having 6 carbon atoms. Further provided herein is an aqueous refinish composition that is produced by the mixing of components (1) to (3), and a method for producing aqueous refinish compositions. Further provided herein is a use of the mixer system for producing aqueous refinish compositions for automotive refinishing.Type: ApplicationFiled: July 20, 2017Publication date: January 9, 2020Inventors: Cathrin Corten, Dirk Eierhoff, Britta Schnieders, Nicole Freitag, Josef Rademacher, Michael Grabbe
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Patent number: 10465088Abstract: The present invention relates to a solventborne, pigmented coating composition having a solids fraction of at least 35%, which comprises, based on the total amount of the coating composition, 0.1 to 1.5 wt % of at least one copolymer (A), where the copolymer (A) is obtainable by copolymerization of a mixture of olefinically unsaturated monomers (a) in at least one organic solvent, the mixture of monomers (a) to be polymerized consists of (a1) 10 to 60 mol % of at least one monomer of the formula (I) below where R1?C1 to C4 alkoxy, R2?C1 to C4 alkyl, and m=0 to 2, and also (a2) 40 to 90 mol % of at least one further olefinically unsaturated monomer, and the copolymer (A) possesses a glass transition temperature Tg of at least ?30° C. The present invention also relates to a method for producing a multicoat paint system using the coating composition, and to the multicoat paint systems themselves.Type: GrantFiled: November 20, 2015Date of Patent: November 5, 2019Assignee: BASF Coatings GmbHInventors: Andreas Poppe, Norbert Loew, Cathrin Corten, Britta Schnieders, Wei Qiu Hu
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Publication number: 20190085116Abstract: Described herein are aqueous dispersions including multistage-prepared polymers of olefinically unsaturated compounds and to the preparation and use thereof, in particular in the field of automobile coating.Type: ApplicationFiled: February 23, 2017Publication date: March 21, 2019Inventors: Cathrin Corten, Dirk Eierhoff, Britta Schnieders, Nicole Freitag, Heinz-Ulrich Grumpe, Mechthild Vienenkoetter, Ralf Nickolaus
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Publication number: 20190062588Abstract: Provided herein is a method for producing a multicoat paint system on a metallic substrate by producing a basecoat or a plurality of directly successive basecoats directly on a metallic substrate coated with a cured electrocoat system, producing a clearcoat directly on the one or the topmost of the plurality of basecoats, and subsequently jointly curing the one or the plurality of basecoats and the clearcoat, wherein at least one basecoat material used for producing the basecoats includes at least one aqueous dispersion which includes a polymer whose preparation includes successive radical emulsion polymerization of three mixtures of olefinically unsaturated monomers.Type: ApplicationFiled: June 3, 2016Publication date: February 28, 2019Inventors: Cathrin Corten, Dirk Eierhoff, Patrick Wilm, Britta Schnieders, Nicole Freitag, Heinz-Ulrich Grumpe, Joerg Schwarz
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Publication number: 20180265711Abstract: The invention relates to aqueous dispersions comprising multistage-prepared polymers, and also to coating material compositions comprising them, preparable by multistage polymerization of olefinically unsaturated monomers, using an emulsifier and a water-soluble initiator, under conditions of starved feed polymerization, and using particular monomer mixtures in the individual stages. The invention also relates to a pigmented aqueous basecoat material comprising the aqueous dispersion of the invention, to the use of the aqueous dispersion of the invention in aqueous basecoat materials for improving adhesion, to a process for producing a multicoat paint system on a substrate, and to a multicoat paint system produced in accordance with the stated process.Type: ApplicationFiled: January 8, 2016Publication date: September 20, 2018Applicant: BASF Coatings GmbHInventors: Cathrin CORTEN, Dirk EIERHOFF, Britta SCHNIEDERS, Nicole FREITAG, Heinz-Ulrich GRUMPE, Elisabeth WESSLING, Joerg SCHWARZ, Mechthild VIENENKOETTER, Patrick WILM
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Patent number: 9920215Abstract: A nonaqueous coating material composition and coatings thereof are provided. The composition contains an oligomeric and/or polymeric compound (A) having at least two hydroxyl groups, an oligomeric and/or polymeric compound (B) having at least two alkylidene-1,3-dioxolan-2-one groups of formula (I?), and a catalyst (D) where # stands for the attachment to the polymer backbone and R1, R2 independently of one another are hydrogen, C1-C6 alkyl, C1-C4 alkoxy-C1-C4 alkyl, C5-C6 cycloalkyl, phenyl or phenyl-C1-C4 alkyl; R3 is hydrogen, C1-C6 alkyl, C1-C4 alkoxy-C1-C4 alkyl, C5-C6 cycloalkyl, phenyl, or phenyl-C1-C4 alkyl; A is a chemical bond or C1-C4 alkanediyl; X is O or NR7; Z is a chemical bond, PO2, SO2, or C?O, Y is a chemical bond, CH2, or CHCH3, and R7 where present is C1-C6 alkyl.Type: GrantFiled: August 8, 2014Date of Patent: March 20, 2018Assignee: BASF Coatings GmbHInventors: Reinhold Clauss, Rainer Klopsch, Susanne Katharina Kreth, Britta Schnieders, Ursula Heimeier, Cathrin Corten, Peter Hoffmann, Aaron Flores-Figueroa, Kristin Michel, Annika Werning
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Publication number: 20180002468Abstract: The present invention relates to a copolymer (A) having a glass transition temperature Tg of at least ?30° C. obtainable by copolymerization of a mixture of olefinically unsaturated monomers (a) in at least one organic solvent and in the presence of at least one initiator, where the mixture of monomers (a) to be polymerized comprises (a1) 10 to 60 mol % of at least one monomer of the formula (I) below where R1=C1 to C4 alkoxy, R2=C1 to C4 alkyl, and m=0 to 2, and (a2) 40 to 90 mol % of at least one olefinically unsaturated monomer selected from the group consisting of monomers of the formulae H2C?CH2—(C?O)—O—Rx, H2C?CH(CH3)—(C?O)—O—Rx, and H2C?CH2—O—(C?O)—Rx, where Rx is an alkyl radical having 1 to 20 carbon atoms, and where the sum total of the molar fractions of the monomers (a1) and (a2), based on the total molar amount of monomers (a) used, is at least 90 mol %, and where the copolymerization is carried out at a temperature from 60 to 200° C. and at a pressure of at least 2 bar.Type: ApplicationFiled: November 20, 2015Publication date: January 4, 2018Applicant: BASF Coatings GmbHInventors: Andreas POPPE, Norbert LOEW, Cathrin CORTEN, Britta SCHNIEDERS, Wei Qiu HU
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Publication number: 20170362457Abstract: The present invention relates to a solventborne, pigmented coating composition having a solids fraction of at least 35%, which comprises, based on the total amount of the coating composition, 0.1 to 1.5 wt % of at least one copolymer (A), where the copolymer (A) is obtainable by copolymerization of a mixture of olefinically unsaturated monomers (a) in at least one organic solvent, the mixture of monomers (a) to be polymerized consists of (a1) 10 to 60 mol % of at least one monomer of the formula (I) below where R1?C1 to C4 alkoxy, R2?C1 to C4 alkyl, and m=0 to 2, and also (a2) 40 to 90 mol % of at least one further olefinically unsaturated monomer, and the copolymer (A) possesses a glass transition temperature Tg of at least ?30° C. The present invention also relates to a method for producing a multicoat paint system using the coating composition, and to the multicoat paint systems themselves.Type: ApplicationFiled: November 20, 2015Publication date: December 21, 2017Applicant: BASF Coatings GmbHInventors: Andreas POPPE, Norbert LÖW, Cathrin CORTEN, Britta SCHNIEDERS, Wei Qiu HU
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Patent number: 9777190Abstract: Disclosed are aqueous coating compositions comprising at least one hydroxyl-containing compound (A), at least one compound (B) having isocyanate groups and also having hydrolyzable silane groups, and at least one catalyst (C) wherein the compound (B) has 10 mol % to less than 90 mol % of at least one structural unit (I) —N(X—SiR?x(OR?)3-x)n(X?—SiR?y(OR?)3-y)m??(I) Where R?=hydrogen, alkyl or cycloalkyl, X, X?=linear and/or branched alkylene or cycloalkylene radical having 1 to 20 carbon atoms, R?=alkyl, cycloalkyl, aryl or aralkyl, n=0 to 2, m=0 to 2, m+n=2, and x, y=0 to 2, and more than 10 to 90 mol % of at least one structural unit (II) —Z—(X—SiR?x(OR?)3-x) (II), where Z=—NH—, —NR—, —O— or —S—, where R=alkyl, cycloalkyl, aryl or aralkyl, and x, X, R? and R? have the definition indicated for formula (I).Type: GrantFiled: January 4, 2012Date of Patent: October 3, 2017Assignee: BASF Coatings GmbHInventors: Matthijs Groenewolt, Manuela Niemeier, Wilfried Stübbe, Alexandra Steffens, Britta Schnieders
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Patent number: 9777188Abstract: Pigmented aqueous basecoat material comprises at least one alpha, omega-hydroxy-functionalized oligoester having an OH number of 25 to 95 mg KOH/g, a theoretical carbon-carbon double bond content of 0.5 to 2.5 mmol/g, a number-average molecular weight of 2500 to 6000 g/mol and a weight-average molecular weight of 15 000 to 30 000 g/mol, the alpha, omega-hydroxy-functionalized oligoester further comprising at least one partially or completely salified acid group, and the sum of the weight percentage fractions of all the alpha, omega-hydroxy-functionalized oligoesters being 0.5 to 10 wt %, based on the total solids fraction of the pigmented aqueous basecoat material. Also provided are a multicoat paint system, a method of producing a multicoat paint system, and use of the above-identified alpha, omega-hydroxy-functionalized oligoester in pigmented aqueous basecoat materials for the purpose of improving adhesion.Type: GrantFiled: February 7, 2014Date of Patent: October 3, 2017Assignee: BASF Coatings GmbHInventors: Audrée Andersen, Markus Saedler, Fatmir Raka, Nicole Freitag, Britta Schnieders, Alexandra Steffens, Cathrin Corten, Frederik Fölling
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Publication number: 20170267799Abstract: The present invention relates to a solventborne, pigmented coating composition, which comprises, based on the total amount of the coating composition, 0.02 to 0.75 wt % of at least one copolymer (A), where the copolymer (A) is obtainable by copolymerization of a mixture of olefinically unsaturated monomers (a) in at least one organic solvent, the mixture of monomers (a) to be polymerized consists of (a1) 10 to 60 mol % of at least one monomer of the formula (I) below where R1=C1 to C4 alkoxy, R2=C1 to C4 alkyl, and m=0 to 2, and also (a2) 40 to 90 mol % of at least one further olefinically unsaturated monomer, and the copolymer (A) possesses a glass transition temperature Tg of at least ?30° C. The present invention also relates to a method for producing a multicoat paint system using the coating composition, and to the multicoat paint systems themselves.Type: ApplicationFiled: November 20, 2015Publication date: September 21, 2017Applicant: BASF Coatings GmbHInventors: Andreas POPPE, Norbert LOEW, Cathrin CORTEN, Britta SCHNIEDERS, Wei Qiu HU
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Publication number: 20160215162Abstract: The present invention relates to a nonaqueous coating material composition comprising (A) at least one oligomeric and/or polymeric compound (A) having at least two hydroxyl groups, (B) at least one oligomeric and/or polymeric compound (B) having at least two alkylidene-1,3-dioxolan-2-one groups, and (D) at least one catalyst (D) for the crosslinking, wherein the compound (B) contains at least two alkyliden-1,3-dioxolan-2-one groups of the formula (I?) where # stands for the attachment to the polymer backbone and R1, R2 independently of one another are hydrogen, C1-C6 alkyl, C1-C4 alkoxy-C1-C4 alkyl, C5-C6 cycloalkyl, phenyl or phenyl-C1-C4 alkyl; R3 is hydrogen, C1-C6 alkyl, C1-C4 alkoxy-C1-C4 alkyl, C5-C6 cycloalkyl, phenyl, or phenyl-C1-C4 alkyl; A is a chemical bond or C1-C4 alkanediyl; X is O or NR7; Z is a chemical bond, PO2, SO2, or C?O, Y is a chemical bond, CH2, or CHCH3, and R7 where present is C1-C6 alkyl.Type: ApplicationFiled: August 8, 2014Publication date: July 28, 2016Applicant: BASF Coatings GmbHInventors: Reinhold CLAUSS, Rainer KLOPSCH, Susanne KRETH, Britta SCHNIEDERS, Ursula HEIMEIER, Cathrin CORTEN, Peter HOFFMANN, Aaron FLORES-FIGUEROA, Kristin MICHEL, Annika WERNING