Patents by Inventor Andrea EßER
Andrea EßER 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: 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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Publication number: 20170335154Abstract: The invention relates to a process for preparing an amine adduct, in which a polyamine component (A), a polyester component (B) and a hydrocarbon component (C) are reacted. The amine adduct is of particularly good suitability as a wetting agent and dispersant, especially for coatings and plastics applications.Type: ApplicationFiled: August 10, 2017Publication date: November 23, 2017Inventors: Wolfgang PRITSCHINS, Jürgen OMEIS, Stefan MÖSSMER, Andrea ESSER, Monika ROCH
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Patent number: 9752067Abstract: The invention relates to a process for preparing an amine adduct, in which a polyamine component (A), a polyester component (B) and a hydrocarbon component (C) are reacted. The amine adduct is of particularly good suitability as a wetting agent and dispersant, especially for coatings and plastics applications.Type: GrantFiled: November 15, 2012Date of Patent: September 5, 2017Assignee: BYK-Chemie GmbHInventors: Wolfgang Pritschins, Jürgen Omeis, Stefan Mössmer, Andrea Esser, Monika Roch
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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
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Patent number: 9598618Abstract: The invention relates to a process for preparing an amine adduct, in which a polyamine component (A), a polyester component (B) and a hydrocarbon component (C) are reacted. The amine adduct is of particularly good suitability as a wetting agent and dispersant, especially for coatings and plastics applications.Type: GrantFiled: November 15, 2012Date of Patent: March 21, 2017Assignee: BYK-Chemie GmbHInventors: Wolfgang Pritschins, Jürgen Omeis, Stefan Mössmer, Andrea Esser, Monika Roch
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Patent number: 9574121Abstract: The invention relates to a process for preparing an amine adduct, in which a polyamine component (A), a polyester component (B) and a hydrocarbon component (C) are reacted. The amine adduct is of particularly good suitability as a wetting agent and dispersant, especially for coatings and plastics applications.Type: GrantFiled: November 15, 2012Date of Patent: February 21, 2017Assignee: BYK-Chemie GmbHInventors: Jürgen Omeis, Stefan Mössmer, Andrea Esser, Monika Roch, Wolfgang Pritschins
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Patent number: 9403719Abstract: Curable polymer mixtures comprising at least one oligomeric addition product with hydrolyzable silane groups and additional functional groups as the mediator additive, and a curable polymer system having epoxy group-carrying polymers and curing agents, fillers and optionally addditives; polymer concrete mixtures and molded bodies produced therefrom.Type: GrantFiled: August 19, 2009Date of Patent: August 2, 2016Assignee: BYK-Chemie GmbHInventors: René Nagelsdiek, Bernd Göbelt, Wolfgang Pritschins, Dorothée Greefrath, Stephan Remme, Andrea Esser
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Patent number: 9259700Abstract: The invention concerns a composition comprising as component (A): 10% to 97% by weight, based on the total weight of the composition, of one or more monocarboxylic esters of the general formula R1—CO—OR2, in which R1 is a saturated or unsaturated, branched or straight-chain, aliphatic group having 11 to 23 carbon atoms and R2 is a branched or straight-chain aliphatic group, a cycloaliphatic group or aromatic group having 1 to 13 carbon atoms, and the sum of the carbon atoms of the groups R1 and R2 is not more than 30, the monocarboxylic ester or esters possessing a boiling point of more than 250° C. under a standard pressure of 101.3 kPa, and as component (B): 3% to 90% by weight, based on the total weight of the composition, of one or more dispersants, the composition possessing a viscosity at 25° C. of less than 5000 mPas. The invention further concerns the use of the composition as a dispersion medium, millbases obtained from the composition, and the use of the millbases.Type: GrantFiled: September 1, 2009Date of Patent: February 16, 2016Assignee: BYK-Chemie GmbHInventors: Martin Fischer, Wolfgang Pritschins, Frank Vennhoff, Lucia Spikker-Heilen, Andrea Esser
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Publication number: 20150299538Abstract: The invention relates to a process for preparing an amine adduct, in which a polyamine component (A), a polyester component (B) and a hydrocarbon component (C) are reacted. The amine adduct is of particularly good suitability as a wetting agent and dispersant, especially for coatings and plastics applications.Type: ApplicationFiled: November 15, 2012Publication date: October 22, 2015Inventors: Jürgen Omeis, Stefan Mössmer, Andrea Esser, Monika Roch, Wolfgang Pritschins
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Publication number: 20140312280Abstract: The invention relates to a process for preparing an amine adduct, in which a polyamine component (A), a polyester component (B) and a hydrocarbon component (C) are reacted. The amine adduct is of particularly good suitability as a wetting agent and dispersant, especially for coatings and plastics applications.Type: ApplicationFiled: November 15, 2012Publication date: October 23, 2014Applicant: BYK-Chemie GMBHInventors: Wolfgang Pritschins, Jürgen Omeis, Stefan Mössmer, Andrea Esser, Monika Roch
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Publication number: 20140296430Abstract: The invention relates to a process for preparing an amine adduct, in which a polyamine component (A), a polyester component (B) and a hydrocarbon component (C) are reacted. The amine adduct is of particularly good suitability as a wetting agent and dispersant, especially for coatings and plastics applications.Type: ApplicationFiled: November 15, 2012Publication date: October 2, 2014Inventors: Wolfgang Pritschins, Jürgen Omeis, Stefan Mössmer, Andrea Esser, Monika Roch
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Patent number: 8613797Abstract: The invention concerns a composition comprising as component (A): 10% to 97% by weight, based on the total weight of the composition, of one or more monocarboxylic esters of the general formula R1—CO—OR2, in which R1 is a saturated or unsaturated, branched or straight-chain, aliphatic group having 11 to 23 carbon atoms and R2 is a branched or straight-chain aliphatic group, a cycloaliphatic group or aromatic group having 1 to 13 carbon atoms, and the sum of the carbon atoms of the groups R1 and R2 is not more than 30, the monocarboxylic ester or esters possessing a boiling point of more than 250° C. under a standard pressure of 101.3 kPa, and as component (B): 3% to 90% by weight, based on the total weight of the composition, of one or more dispersants, the composition possessing a viscosity at 25° C. of less than 5000 mPas. The invention further concerns the use of the composition as a dispersion medium, millbases obtained from the composition, and the use of the millbases.Type: GrantFiled: September 1, 2009Date of Patent: December 24, 2013Assignee: BYK-Chemie GmbHInventors: Martin Fischer, Wolfgang Pritschins, Frank Vennhoff, Lucia Spikker-Heilen, Andrea Esser
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Patent number: 8362300Abstract: The present invention provides addition compounds, which suitable as dispersants and as dispersion stabilizers, and to the salts of the said compounds. The invention further provides processes for preparing these addition compounds, to their use as dispersants and dispersion stabilizers for organic and inorganic pigments and also fillers in organic and aqueous systems, and to pulverous or fibrous solids coated with such dispersants and intended for incorporation into liquid systems.Type: GrantFiled: May 6, 2005Date of Patent: January 29, 2013Assignee: BYK-Chemie GmbHInventors: Wolfgang Pritschins, Udo Krappe, Karlheinz Haubennestel, Andrea Esser
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Patent number: 8153722Abstract: A curable polymer mixture comprising 1.) at least one at least oligomeric addition product a) of at least one amino silane and/or thiosilane having at least one hydrolysable silane group to at least one compound having at least two terminal, ethylenically unsaturated double bonds, and/or at least one at least oligomeric addition product b) of at least one isocyanate silane and/or epoxy silane having at least one hydrolysable silane group to at least one oligomeric compound having at least three recurring units and at least one terminal hydroxyl group or terminal amino group and at least one terminal ethylenically unsaturated double bond as coupling additive, 2.) a system which can be cured by radical polymerization, comprising at least one ethylenically unsaturated polymer and/or a (meth)acrylic resin, at least one ethylenically unsaturated monomer, at least one radical initiator and optionally at least one cross-linking agent as binder 3.Type: GrantFiled: August 27, 2009Date of Patent: April 10, 2012Assignee: BYK-Chemie GmbHInventors: René Nagelsdiek, Wolfgang Pritschins, Bernd Göbelt, Dorothée Greefrath, Stephan Remme, Andrea Esser
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Publication number: 20110313089Abstract: The invention concerns a composition comprising as component (A): 10% to 97% by weight, based on the total weight of the composition, of one or more monocarboxylic esters of the general formula R1—CO—OR2, in which R1 is a saturated or unsaturated, branched or straight-chain, aliphatic group having 11 to 23 carbon atoms and R2 is a branched or straight-chain aliphatic group, a cycloaliphatic group or aromatic group having 1 to 13 carbon atoms, and the sum of the carbon atoms of the groups R1 and R2 is not more than 30, the monocarboxylic ester or esters possessing a boiling point of more than 250° C. under a standard pressure of 101.3 kPa, and as component (B): 3% to 90% by weight, based on the total weight of the composition, of one or more dispersants, the composition possessing a viscosity at 25° C. of less than 5000 mPas. The invention further concerns the use of the composition as a dispersion medium, millbases obtained from the composition, and the use of the millbases.Type: ApplicationFiled: September 1, 2009Publication date: December 22, 2011Applicant: BYK-Chemie GmbHInventors: Martin Fischer, Wolfgang Pritschins, Frank Vennhoff, Lucia Spikker-Heilen, Andrea Esser
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Publication number: 20110190420Abstract: Curable polymer mixtures comprising at least one oligomeric addition product with hydrolyzable silane groups and additional functional groups as the mediator additive, and a curable polymer system having epoxy group-carrying polymers and curing agents, fillers and optionally addditives; polymer concrete mixtures and molded bodies produced therefromType: ApplicationFiled: August 19, 2009Publication date: August 4, 2011Applicant: BYK-CHEMIE GMBHInventors: René Nagelsdiek, Bernd Göbelt, Wolfgang Pritschins, Dorothée Greefrath, Stephan Remme, Andrea Esser
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Publication number: 20100016492Abstract: A curable polymer mixture comprising 1.) at least one at least oligomeric addition product a) of at least one amino silane and/or thiosilane having at least one hydrolysable silane group to at least one compound having at least two terminal, ethylenically unsaturated double bonds, and/or at least one at least oligomeric addition product b) of at least one isocyanate silane and/or epoxy silane having at least one hydrolysable silane group to at least one oligomeric compound having at least three recurring units and at least one terminal hydroxyl group or terminal amino group and at least one terminal ethylenically unsaturated double bond as coupling additive, 2.) a system which can be cured by radical polymerisation, comprising at least one ethylenically unsaturated polymer and/or a (meth)acrylic resin, at least one ethylenically unsaturated monomer, at least one radical initiator and optionally at least one cross-linking agent as binder 3.Type: ApplicationFiled: August 27, 2009Publication date: January 21, 2010Applicant: BYK-CHEMIE GMBHInventors: René Nagelsdiek, Wolfgang Pritschins, Bernd Gõbelt, Dorothée Greefrath, Stephan Remme, Andrea Esser
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Patent number: 7205351Abstract: The present invention relates to processing aids for the processing of synthetic polymer compositions based on carboxylic esters, where the processing aids include, partial esters which contain at least 18 carbon atoms, have a number-average molecular weight of from 300 to 10,000, and can be prepared by the reaction of saturated or unsaturated aliphatic and/or cycloaliphatic polycarboxylic acids or anhydrides of these with saturated or unsaturated aliphatic, cycloaliphatic and/or aromatic monoepoxides and/or monoalcohols optionally containing ether groups, where at least 10% and not more than 90% of the carboxyl groups of the polycarboxylic acids have been reacted and the polycarboxylic acids and anhydrides of these contain from 8 to 100 carbon atoms. The invention further relates to the use of these processing aids in synthetic polymer compositions, and also to synthetic polymer compositions, which comprise these processing aids.Type: GrantFiled: October 18, 2002Date of Patent: April 17, 2007Assignee: BYK-Chemie GmbHInventors: Wolfgang Pritschins, Barbel Gertzen, Andrea Esser, Karlheinz Haubennestel
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Publication number: 20050250927Abstract: The present invention provides addition compounds, which suitable as dispersants and as dispersion stabilizers, and to the salts of the said compounds. The invention further provides processes for preparing these addition compounds, to their use as dispersants and dispersion stabilizers for organic and inorganic pigments and also fillers in organic and aqueous systems, and to pulverous or fibrous solids coated with such dispersants and intended for incorporation into liquid systems.Type: ApplicationFiled: May 6, 2005Publication date: November 10, 2005Inventors: Wolfgang Pritschins, Udo Krappe, Karlheinz Haubennestel, Andrea Esser
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Publication number: 20030171471Abstract: The present invention relates to processing aids for the processing of synthetic polymer compositions based on carboxylic esters, where the processing aids include, partial esters which contain at least 18 carbon atoms, have a number-average molecular weight of from 300 to 10,000, and can be prepared by the reaction of saturated or unsaturated aliphatic and/or cycloaliphatic polycarboxylic acids or anhydrides of these with saturated or unsaturated aliphatic, cycloaliphatic and/or aromatic monoepoxides and/or monoalcohols optionally containing ether groups, where at least 10% and not more than 90% of the carboxyl groups of the polycarboxylic acids have been reacted and the polycarboxylic acids and anhydrides of these contain from 8 to 100 carbon atoms. The invention further relates to the use of these processing aids in synthetic polymer compositions, and also to synthetic polymer compositions, which comprise these processing aids.Type: ApplicationFiled: October 18, 2002Publication date: September 11, 2003Inventors: Wolfgang Pritschins, Barbel Gertzen, Andrea Esser, Karlheinz Haubennestel