Patents by Inventor Daniela Leutfeld
Daniela Leutfeld 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: 11453750Abstract: The invention relates to urea- and/or urethane-substituted amides of the general formula (I) The radicals R1, Z1, R2, and Z2 comprise a building block containing urea groups and/or containing urethane groups; the radicals R4, Z4, R5, and Z5 comprise a building block containing amide groups, and E is a carboxylic acid group or salt thereof. The invention also relates to rheology control agents which consist of or comprise the amides of the formula (I). A further subject of the invention is a method for producing the rheology control agents, and the use of the urea- and/or urethane-substituted amides, and also of the rheology control agents, as thickeners, especially in liquid compositions, and also the liquid compositions themselves.Type: GrantFiled: January 28, 2018Date of Patent: September 27, 2022Assignee: BYK-Chemie GmbHInventors: René Nagelsdiek, Sylvia Bühne, Silke Gaul, Berthold Jacobs, Verena Karwath, Dominika Bernert, Daniela Leutfeld
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Patent number: 11377553Abstract: The invention relates to polymer comprising structural units according to formula (I), R1—X—(C?O)—NH—R2—NH—(C?O)—O—POA-R3—(O—POA-R4)n wherein R1 represents an organic group terminated by a hydrocarbyl group having 6 to 50 carbon atoms, X represents O or N—R5, wherein R5 represents a hydrogen atom or a hydrocarbyl group having 1 to 30 carbon atoms, R2 represents an aliphatic hydrocarbyl group having 4 to 40 carbon atoms, POA represents a polyoxyalkylene group, R3 represents an organic group having 2 to 40 carbon atoms, n is an integer from 1 to 6, R4 is independently selected from —(C?O)—NH—R2—NH—(C?O)—X—R1, —(C?O)—NH—R1, —R6, wherein R6 represents a hydrogen atom or an aliphatic or aromatic group having 1 to 24 carbon atoms, and wherein the polymer has an average of at least 1.8 end groups R1 per molecule, a number average molecular weight in the range of 2000 to 100000 Daltons, a polydispersity in the range of 1.0 to 5.0, wherein the quotient of the polydispersity divided by (n+1) is less than 1.Type: GrantFiled: April 12, 2018Date of Patent: July 5, 2022Assignee: BYK-CHEMIE GMBHInventors: Dominika Bernert, René Nagelsdiek, Alan L. Steinmetz, Justin Adams, George M. Zody, Wesley A. Huff, Daniela Leutfeld
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Patent number: 11370912Abstract: The invention relates to polymer comprising structural units according to formula (I), R1—X—(C?O)—NH—R2—NH—(C?O)—O—POA-R3—(O—POA-R4)n wherein R1 represents an organic group terminated by a hydrocarbyl group having 6 to 50 carbon atoms, X represents O or N—R5, wherein R5 represents a hydrogen atom or a hydrocarbyl group having 1 to 30 carbon atoms, R2 represents a hydrocarbyl group comprising an aromatic group and having 6 to 40 carbon atoms, POA represents a polyoxyalkylene group, R3 represents an organic group having 2 to 40 carbon atoms, n is an integer from 1 to 6, R4 is independently selected from —(C?O)—NH—R2—NH—(C?O)—NH—R1, —R6, wherein R6 represents a hydrogen atom or an aliphatic or aromatic group having 1 to 24 carbon atoms, and wherein the polymer has an average of at least 1.8 end groups R1 per molecule, a number average molecular weight in the range of 2000 to 100000 Daltons, and a polydispersity in the range of 1.0 to 5.Type: GrantFiled: April 12, 2018Date of Patent: June 28, 2022Assignee: BYK-CHEMIE GMBHInventors: Dominika Bernert, René Nagelsdiek, Alan L. Steinmetz, Justin Adams, George M. Zody, Wesley A. Huff, Daniela Leutfeld
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Patent number: 11298634Abstract: The invention relates to the use of a polysiloxane having a plurality of siloxane groups and at least one tertiary amide group covalently linked as a pending and/or terminal group to the polysiloxane, as a defoaming agent in a liquid composition.Type: GrantFiled: September 25, 2018Date of Patent: April 12, 2022Assignee: BYK-CHEMIE GMBHInventors: Verena Wintermeyer, Guillaume Wojciech Jaunky, Mirco Süselbeck, Mathis Kulessa, Daniela Leutfeld
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Publication number: 20210115183Abstract: The invention relates to polymer comprising structural units according to formula (I), R1—X—(C?O)—NH—R2—NH—(C?O)—O—POA-R3—(O—POA-R4)n wherein R1 represents an organic group terminated by a hydrocarbyl group having 6 to 50 carbon atoms, X represents O or N—R5, wherein R5 represents a hydrogen atom or a hydrocarbyl group having 1 to 30 carbon atoms, R2 represents an aliphatic hydrocarbyl group having 4 to 40 carbon atoms, POA represents a polyoxyalkylene group, R3 represents an organic group having 2 to 40 carbon atoms, n is an integer from 1 to 6, R4 is independently selected from —(C?O)—NH—R2—NH—(C?O)—X—R1, —(C?O)—NH—R1, —R6, wherein R6 represents a hydrogen atom or an aliphatic or aromatic group having 1 to 24 carbon atoms, and wherein the polymer has an average of at least 1.8 end groups R1 per molecule, a number average molecular weight in the range of 2000 to 100000 Daltons, a polydispersity in the range of 1.0 to 5.0, wherein the quotient of the polydispersity divided by (n+1) is less than 1.Type: ApplicationFiled: April 12, 2018Publication date: April 22, 2021Inventors: Dominika Bernert, René Nagelsdiek, Alan L. Steinmetz, Justin Adams, George M. Zody, Wesley A. Huff, Daniela Leutfeld
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Publication number: 20200377723Abstract: The invention relates to polymer comprising structural units according to formula (I), R1—X—(C?O)—NH—R2—NH—(C?O)—O—POA-R3—(O—POA-R4)n wherein R1 represents an organic group terminated by a hydrocarbyl group having 6 to 50 carbon atoms, X represents O or N—R5, wherein R5 represents a hydrogen atom or a hydrocarbyl group having 1 to 30 carbon atoms, R2 represents a hydrocarbyl group comprising an aromatic group and having 6 to 40 carbon atoms, POA represents a polyoxyalkylene group, R3 represents an organic group having 2 to 40 carbon atoms, n is an integer from 1 to 6, R4 is independently selected from —(C?O)—NH—R2—NH—(C?O)—NH—R1, —R6, wherein R6 represents a hydrogen atom or an aliphatic or aromatic group having 1 to 24 carbon atoms, and wherein the polymer has an average of at least 1.8 end groups R1 per molecule, a number average molecular weight in the range of 2000 to 100000 Daltons, and a polydispersity in the range of 1.0 to 5.Type: ApplicationFiled: April 12, 2018Publication date: December 3, 2020Inventors: Dominika Bernert, René Nagelsdiek, Alan L. Steinmetz, Justin Adams, George M. Zody, Wesley A. Huff, Daniela Leutfeld
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Publication number: 20200238199Abstract: The invention relates to the use of a polysiloxane having a plurality of siloxane groups and at least one tertiary amide group covalently linked as a pending and/or terminal group to the polysiloxane, as a defoaming agent in a liquid composition.Type: ApplicationFiled: September 25, 2018Publication date: July 30, 2020Inventors: Verena Wintermeyer, Guillaume Wojciech Jaunky, Mirco Süselbeck, Mathis Kulessa, Daniela Leutfeld
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Publication number: 20190390011Abstract: The invention relates to urea- and/or urethane-substituted amides of the general formula (I) The radicals R1, Z1, R2, and Z2 comprise a building block containing urea groups and/or containing urethane groups; the radicals R4, Z4, R5, and Z5 comprise a building block containing amide groups, and E is a carboxylic acid group or salt thereof. The invention also relates to rheology control agents which consist of or comprise the amides of the formula (I). A further subject of the invention is a method for producing the rheology control agents, and the use of the urea- and/or urethane-substituted amides, and also of the rheology control agents, as thickeners, especially in liquid compositions, and also the liquid compositions themselves.Type: ApplicationFiled: January 28, 2018Publication date: December 26, 2019Inventors: René Nagelsdiek, Sylvia Bühne, Silke Gaul, Berthold Jacobs, Verena Karwath, Dominika Bernert, Daniela Leutfeld
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Patent number: 10377906Abstract: The invention relates to a rheology control agent containing i) 15-95% by weight of an amide compound (A), ii) 5-75% by weight of a urea compound (B), iii) 0-50% by weight of an ionogenic compound (C) and iv) 0-35% weight of an organic solvent (D).Type: GrantFiled: February 11, 2015Date of Patent: August 13, 2019Assignee: BYK-Chemie GmbHInventors: Daniela Leutfeld, Marc Eberhardt, René Nagelsdiek, Sylvia Bühne, Jürgen Omeis, Jasmin Rudner
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Patent number: 9796860Abstract: The invention relates to a urea preparation containing (A) 5 to 75 wt. % of one or more urea components which have a molecular weight of at least 350 g/mol and contain at least one urea group; (B) 15 to 95 wt. %, preferably 30 to 80 wt.Type: GrantFiled: April 15, 2015Date of Patent: October 24, 2017Assignee: BYK-Chemie GmbHInventors: Daniela Leutfeld, Marc Eberhardt, René Nagelsdiek, Sylvia Bühne, Jürgen Omeis, Berthold Jacobs
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Publication number: 20170240748Abstract: The invention relates to a rheology control agent containing i) 15-95% by weight of an amide compound (A), ii) 5-75% by weight of a urea compound (B), iii) 0-50% by weight of an ionogenic compound (C) and iv) 0-35% weight of an organic solvent (D).Type: ApplicationFiled: February 11, 2015Publication date: August 24, 2017Inventors: Daniela LEUTFELD, Marc EBERHARDT, René NAGELSDIEK, Sylvia BÜHNE, Jürgen OMEIS, Jasmin RUDNER
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Patent number: 9617371Abstract: The invention relates to polyureas having a weight-average molecular weight ranging from 5,000 to 70,000 g/mol, the preparation thereof, and the use thereof as rheology control agents. The invention further relates to rheology control agents containing polyureas and to the use thereof. The invention moreover relates to formulations containing polyureas.Type: GrantFiled: September 3, 2010Date of Patent: April 11, 2017Assignee: BYK-Chemie GmbHInventors: Daniela Leutfeld, Bianca Morhenn, Marc Eberhardt, Ina Kober, Jürgen Omeis, Sylvia Bühne, Berthold Jacobs
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Publication number: 20170044378Abstract: The invention relates to a rheology control agent containing i) 15-95% by weight of an amide compound (A), ii) 5-75% by weight of a urea compound (B), iii) 0-50% by weight of an ionogenic compound (C) and iv) 0-35% weight of an organic solvent (D).Type: ApplicationFiled: February 11, 2015Publication date: February 16, 2017Inventors: Daniela LEUTFELD, Marc EBERHARDT, René NAGELSDIEK, Sylvia BÜHNE, Jürgen OMEIS, Jasmin RUDNER
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Publication number: 20170037262Abstract: The invention relates to a urea preparation containing (A) 5 to 75 wt. % of one or more urea components which have a molecular weight of at least 350 g/mol and contain at least one urea group; (B) 15 to 95 wt. %, preferably 30 to 80 wt.Type: ApplicationFiled: April 15, 2015Publication date: February 9, 2017Inventors: Daniela LEUTFELD, Marc EBERHARDT, René NAGELSDIEK, Sylvia BÜHNE, Jürgen OMEIS, Berthold JACOBS
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Patent number: 9458332Abstract: The present invention relates to a composition effective as a rheology additive containing 15-95 wt.-% of an oxygen compound (A), 5-75 wt.-% of a urea compound (B), 0-50 wt.-% of an ionogenic compound (C) and 0-35 wt.-% of an organic solvent (D).Type: GrantFiled: September 10, 2013Date of Patent: October 4, 2016Assignee: BYK-Chemie GmbHInventors: Daniela Leutfeld, René Nagelsdiek, Jürgen Omeis, Jasmin Rudner
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Publication number: 20160185985Abstract: The present invention relates to a composition effective as a rheology additive containing 15-95 wt.-% of an oxygen compound (A), 5-75 wt.-% of a urea compound (B), 0-50 wt.-% of an ionogenic compound (C) and 0-35 wt.-% of an organic solvent (D).Type: ApplicationFiled: September 10, 2013Publication date: June 30, 2016Inventors: Daniela LEUTFELD, René NAGELSDIEK, Jürgen OMEIS, Jasmin RUDNER
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Patent number: 9206334Abstract: The invention relates to a coating preparation containing i) 0.1 to 9.0 wt % a urea component (A), ii) 0.1 to 5.0 wt % an amide component (B), iii) 10.0 to 90.0 wt % a binding agent component (C) that is different from both the urea component (A) and the amide component (B), and iv) 0 to 85.0 wt % a solvent component (D), wherein the sum of the urea component (A) and amide component (B) fractions is 0.3 to 10.0 wt % and the sum of the binding component (C) and solvent component (D) fractions is 80.0 to 99.7 wt %.Type: GrantFiled: January 28, 2010Date of Patent: December 8, 2015Assignee: BYK-Chemie GmbHInventors: Sylvia Bühne, Jürgen Omeis, Daniela Leutfeld, Marc Eberhardt, Berthold Jacobs
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Publication number: 20120289635Abstract: The invention relates to a coating preparation containing i) 0.1 to 9.0 wt % a urea component (A), ii) 0.1 to 5.0 wt % an amide component (B), iii) 10.0 to 90.0 wt % a binding agent component (C) that is different from both the urea component (A) and the amide component (B), and iv) 0 to 85.0 wt % a solvent component (D), wherein the sum of the urea component (A) and amide component (B) fractions is 0.3 to 10.0 wt % and the sum of the binding component (C) and solvent component (D) fractions is 80.0 to 99.7 wt %.Type: ApplicationFiled: January 28, 2010Publication date: November 15, 2012Inventors: Sylvia Bühne, Jürgen Omeis, Daniela Leutfeld, Marc Eberhardt, Berthold Jacobs
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Publication number: 20120226075Abstract: The invention relates to polyureas having a weight-average molecular weight ranging from 5,000 to 70,000 g/mol, the preparation thereof, and the use thereof as rheology control agents. The invention further relates to rheology control agents containing polyureas and to the use thereof. The invention moreover relates to formulations containing polyureas.Type: ApplicationFiled: September 3, 2010Publication date: September 6, 2012Applicant: BYK-Chemie GmbHInventors: Daniela Leutfeld, Bianca Morhenn, Marc Eberhardt, Ina Kober, Jürgen Omeis, Sylvia Bühne, Berthold Jacobs
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Patent number: 8153697Abstract: The invention relates to the use of a polyamide prepared from at least one diamine and at least one dicarboxylic acid in a formulation for defoaming aqueous media. The invention also relates to defoamers for aqueous media that comprise such a polyamide.Type: GrantFiled: December 3, 2007Date of Patent: April 10, 2012Assignee: BYK-Chemie GmbHInventors: Albert Frank, Daniela Leutfeld, Dinah Grawe, Michaela Michelbrink