Patents by Inventor Sabine STELZ
Sabine STELZ 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: 11787955Abstract: The invention relates to an aqueous composition having a continuous aqueous phase, a polymer having a polymer backbone having carboxylic acid groups covalently linked to the polymer backbone, a polyalkylene oxide terminated at one end by a hydrocarbyl group having 8 to 30 carbon atoms, and, a compound according to formula (I) as described herein.Type: GrantFiled: February 18, 2020Date of Patent: October 17, 2023Assignee: BYK-Chemie GmbHInventors: Andreas Okkel, Sabine Stelz, Sabrina Stopka
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Publication number: 20220135812Abstract: The invention relates to aqueous composition having a continuous aqueous phase, wherein the composition comprises•a) a polymer having a polymer backbone having carboxylic acid groups covalently linked to the polymer backbone, dissolved in the continuous aqueous phase, wherein 10 to 100 mol-% of the acid groups are neutralized by a base selected from ammonia, and amines having 1 to 12 carbon atoms, and mixtures thereof, •b) a polyalkylene oxide terminated at one end by a hydrocarbyl group having 8 to 30 carbon atoms, and, •c) a compound according to formula (I) (Formula I)•wherein R1 is an aliphatic or aromatic hydrocarbon with 3 to 10 carbon atoms, R2 is H or CH3 and n is 1 or 2, •wherein components a), b), and c) together have an acid value in the range of 20 to 200 mg KOH/g, •and wherein the polymer has one or more pendant groups (A) connected to the polymer backbone by a covalent link, wherein the pendant group (A) comprises a polyalkylene oxide segment and a hydrocarbyl segment having 8 to 30 carbon atomsType: ApplicationFiled: February 18, 2020Publication date: May 5, 2022Inventors: Andreas Okkel, Sabine Stelz, Sabrina Stopka
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Patent number: 10640611Abstract: The invention relates to polyamine addition compounds, methods for the production thereof, the use thereof as crosslinking agents and dispersing agents, and paints and plastic materials containing the addition compounds.Type: GrantFiled: November 28, 2014Date of Patent: May 5, 2020Assignee: BYK-Chemie, GmbHInventors: Bernd Göbelt, Andreas Okkel, Jürgen Omeis, Wolfgang Pritschins, Jörg Bömer, Sabine Stelz, Andrea Eßer
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Patent number: 10544091Abstract: A reaction product containing amido amine groups, comprising one or more species of the general formula (I) (R1—X)p—Z1—(XH)y??(I) where p+y=w and w is an integer from 1 to 10, p is an integer from 1 to 10, y is an integer from 0 to 9, and X is independently O, NH and/or NZ2 and XH is independently a hydroxyl group OH, a primary amino group NH2 and/or a secondary amino group NHZ2 where Z2 is independently a branched or unbranched, saturated or unsaturated organic radical G(U)a where U is independently a hydroxyl group, a primary amino group or a secondary amino group and a is an integer from 0 to 9, where p+y+a?10, and G is a branched or unbranched, saturated or unsaturated organic radical, the p R1 radicals are independently a radical of the general formula (II) Y—O—CO—NH—R2—NH—CO??(II) in which the p Y radicals are independently a branched or unbranched, saturated or unsaturated organic radical which has 1 to 1000 carbon atoms and does not contain any hydroxyl groups, any primary amino groups or any secoType: GrantFiled: June 3, 2016Date of Patent: January 28, 2020Assignee: BYK-Chemie, GmbHInventors: Andreas Okkel, Bernd Göbelt, Jürgen Omeis, Jörg Bömer, Monika Roch, Sabine Stelz
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Patent number: 10253133Abstract: A reaction product containing urethane groups, comprising one or more species of the general formula (I) (R1—X)p—Z1—(XH)y??(I) where p+y=w and w is an integer from 2 to 10, p is an integer from 2 to 10, y is an integer from 0 to 8, and X is independently O, NH and/or NZ2 and XH is independently a hydroxyl group OH, a primary amino group NH2 and/or a secondary amino group NHZ2 where Z2 is independently a branched or unbranched, saturated or unsaturated organic radical G(U)a where U is independently a hydroxyl group, a primary amino group or a secondary amino group and a is an integer from 0 to 8, where w+a?10, G is a branched or unbranched, saturated or unsaturated organic radical, the p R1 radicals are independently a radical of the general formula (II) Y—O—CO—NH—R2—NH—CO??(II) in which the p Y radicals are independently a branched or unbranched, saturated or unsaturated organic radical which has 1 to 1000 carbon atoms and does not contain any hydroxyl groups, any primary amino groups or any secondary amiType: GrantFiled: June 3, 2016Date of Patent: April 9, 2019Assignee: BYK-Chemie, GmbHInventors: Bernd Göbelt, Andreas Okkel, Frederik Piestert, Wolfgang Pritschins, Jürgen Omeis, Jörg Bömer, Jennifer Heitzer, Eva Hoverath, Sabine Stelz, Werner Tiegs
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Publication number: 20180148532Abstract: A reaction product containing urethane groups, comprising one or more species of the general formula (I) (R1—X)p—Z1—(XH)y??(I) where p+y=w and w is an integer from 2 to 10, p is an integer from 2 to 10, y is an integer from 0 to 8, and X is independently O, NH and/or NZ2 and XH is independently a hydroxyl group OH, a primary amino group NH2 and/or a secondary amino group NHZ2 where Z2 is independently a branched or unbranched, saturated or unsaturated organic radical G(U)a where U is independently a hydroxyl group, a primary amino group or a secondary amino group and a is an integer from 0 to 8, where w+a?10, G is a branched or unbranched, saturated or unsaturated organic radical, the p R1 radicals are independently a radical of the general formula (II) Y—O—CO—NH—R2—NH—CO??(II) in which the p Y radicals are independently a branched or unbranched, saturated or unsaturated organic radical which has 1 to 1000 carbon atoms and does not contain any hydroxyl groups, any primary amino groups or any secondaryType: ApplicationFiled: June 3, 2016Publication date: May 31, 2018Inventors: Bernd GÖBELT, Andreas OKKEL, Frederik PIESTERT, Wolfgang PRITSCHINS, Jürgen OMEIS, Jörg BÖMER, Jennifer HEITZER, Eva HOVERATH, Sabine STELZ, Werner TIEGS
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Publication number: 20180141896Abstract: A reaction product containing amido amine groups, comprising one or more species of the general formula (I) (R1—X)p—Z1—(XH)y ??(I) where p+y=w and w is an integer from 1 to 10, p is an integer from 1 to 10, y is an integer from 0 to 9, and X is independently O, NH and/or NZ2 and XH is independently a hydroxyl group OH, a primary amino group NH2 and/or a secondary amino group NHZ2 where Z2 is independently a branched or unbranched, saturated or unsaturated organic radical G(U)a where U is independently a hydroxyl group, a primary amino group or a secondary amino group and a is an integer from 0 to 9, where p+y+a?s 10, and G is a branched or unbranched, saturated or unsaturated organic radical, the p R1 radicals are independently a radical of the general formula (II) Y—O—CO—NH—R2—NH—CO ??(II) in which the p Y radicals are independently a branched or unbranched, saturated or unsaturated organic radical which has 1 to 1000 carbon atoms and does not contain any hydroxyl groups, any primary amino groups or anType: ApplicationFiled: June 3, 2016Publication date: May 24, 2018Inventors: Andreas OKKEL, Bernd GÖBELT, Jürgen OMEIS, Jörg BÖMER, Monika ROCH, Sabine STELZ
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Publication number: 20170190840Abstract: The invention relates to polyamine addition compounds, methods for the production thereof, the use thereof as wetting agents and dispersing agents, and paints and plastic materials containing said addition compounds.Type: ApplicationFiled: November 28, 2014Publication date: July 6, 2017Applicant: BYK-Chemie GmbHInventors: Bernd GÖBELT, Andreas OKKEL, Jürgen OMEIS, Wolfgang PRITSCHINS, Jörg BÖMER, Sabine STELZ, Andrea EßER