Patents by Inventor Wolfgang Pritschins
Wolfgang Pritschins 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: 20170158838Abstract: The invention relates to a two-component or multi-component system comprising: at least one polyol component 1 that has i) at least one polyol, ii) at least one inorganic thickener (a1), and iii) at least one wetting and dispersing agent (a2) which inhibits the thickening effect of said inorganic thickener (a1); as well as at least one polyisocyanate component 2 that comprises i) at least one polyisocyanate; where (A) either the polyisocyanate component 2 comprises at least one component (b1) that at least partially cancels the inhibition of the thickening effect of the inorganic thickener (a1); and/or (B) at least one isocyanate-free component 3 comprises at least one component (b1) that at least partially cancels the inhibition of the thickening effect of the inorganic thickener (a1); said wetting and dispersing agent (a2) being non-reactive to the at least one polyol, and the polyisocyanate component 2 being reactive to the polyol component 1.Type: ApplicationFiled: June 23, 2015Publication date: June 8, 2017Inventors: Frederik PIESTERT, Wolfgang PRITSCHINS, Sascha KOCKOTH, Jürgen OMEIS
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Publication number: 20170152337Abstract: The invention relates to a two- or multi-component system having: at least one polyester component 1 which comprises: i) at least one unsaturated polyester; ii) at least one ethylenically unsaturated monomer; iii) at least one inorganic thickener (a1); and iv) at least one wetting- and dispersing agent (a2) that inhibits the thickening action of the inorganic thickener (a1); and at least one initiator component 2 which i) comprises at least one component (b1) that is able to at least partly neutralise the inhibition of the thickening action of the inorganic thickener (a1) and ii) at least one initiator that is able to trigger the polymerisation of components (i) and (ii) of the polyester component 1. The wetting- and dispersing agent (a2) is non-reactive in relation to components (i) and (ii) of the polyester component 1. The invention also relates to substrates coated with a two- or multi-component system according to the invention.Type: ApplicationFiled: June 23, 2015Publication date: June 1, 2017Inventors: Frederik PIESTERT, Wolfgang PRITSCHINS, Sascha KOCKOTH, Jürgen OMEIS
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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: 9573103Abstract: The present invention relates to a method for producing an additive composition which in particular contains specific urea urethanes. The additive composition is extremely suitable as a wetting agent and dispersant.Type: GrantFiled: May 5, 2012Date of Patent: February 21, 2017Assignee: BYK-Chemie GmbHInventors: Bernd Göbelt, René Nagelsdiek, Jürgen Omeis, Frederik Piestert, Wolfgang Pritschins, Natasa Meznaric, Daniela Schröder, Werner Tiegs
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Patent number: 9518146Abstract: Phosphoric acid derivatives, which are present as urea urethanes and contain a radical with an affinity for the binder in addition to at least one phosphoric acid ester group. Said phosphoric acid derivatives are especially suitable as wetting agents and dispersants. The derivatives are present according to the general formula (I) Y(—O—CO—NH—R1—NH—CO—X—Z1)g??(I) wherein Y is represented by a branched or unbranched, saturated or unsaturated organic radical containing 1 to 1000 carbon atoms, q is represented by an integer from 1 to 10, R1 is represented by a saturated or unsaturated, branched or unbranched organic radical containing 6 to 20 carbon atoms, X is represented by NH and/or NZ2, Z2 is represented by a branched or unbranched, saturated or unsaturated organic radical, Z1 is represented by a branched or unbranched, saturated or unsaturated organic radical, which contains at least two carbon atoms and at least one phosphoric acid ester group.Type: GrantFiled: May 4, 2012Date of Patent: December 13, 2016Assignee: BYK-Chemie GmbHInventors: Bernd Göbelt, Rene Nagelsdiek, Jürgen Omeis, Frederik Piestert, Wolfgang Pritschins, Natasa Meznaric, Daniela Schröder, Werner Tiegs
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Patent number: 9447292Abstract: The invention relates to a wetting and dispersing agent that can be produced by carrying out step (1): wherein a) an organic polymer containing primary and/or secondary amino groups and b) at least one branched polyhydroxymonocarboxylic acid comprising, in addition to a carboxyl group, at least two hydroxy groups, one of which is not bound to the main chain of the molecule, are reacted by condensation reactions, forming amide linkages; and step (2): wherein at least some of the hydroxy groups of the hydroxy-functional reaction product obtained in step (1) are reacted with at least one organic monoisocyanate, forming urethane linkages.Type: GrantFiled: January 25, 2012Date of Patent: September 20, 2016Assignee: BYK-Chemie GmbHInventors: Jürgen Omeis, Wolfgang Pritschins, Frederik Piestert, Marcel Krohnen, Sandra O'Shea
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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: 20160032077Abstract: The invention relates to a use of at least one condensation product (A) in the form of the free compound or in the form of a salt of at least one acid as a thixotropy- increasing additive, which condensation product can be obtained by reacting at least one polymerized fatty acid or at least one reaction product (U) of at least two polymerized fatty acids and at least one polyamine having at least two primary amino groups as component (a1) with at least one polyalkylene polyamine, which is capable of forming at least one imidazoline and/or tetrahydropyrimidine unit and which has at least two primary amino groups or at least one primary and at least one secondary amino group, a composition containing at least one such condensation product (A) and at least one thixotropic agent (B), and a use of said composition, which additionally comprises at least one binder (C), as an adhesive, sealant, paint, coating agent, adhesive resin, casting resin, artificial marble, floor covering, polymer concrete, or fiber compositType: ApplicationFiled: March 11, 2014Publication date: February 4, 2016Inventors: Christian BIECKER, Sascha KOCKOTH, Frederik PIESTERT, Wolfgang PRITSCHINS, Jürgen OMEIS, Eva BESTEN, Angelika ORLOWSKI
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Publication number: 20150368532Abstract: The invention relates to rheology control kits for thickening two- or multi-component systems, comprising at least one module A containing (a1) at least one inorganic thickener and (a2) at least one wetting and dispersing agent that inhibits the thickening effect of the inorganic thickener (a1) and at least one module B containing (b1) at least one polymer that at least partially removes the inhibition of the thickening effect of the inorganic thickener (a1). The invention also relates to two- and multi-component systems into which modules can be incorporated, latent thickeners comprising module A and the use of latent thickeners in order to equip components with a latent thickening effect.Type: ApplicationFiled: June 23, 2015Publication date: December 24, 2015Inventors: Frederik Piestert, Wolfgang Pritschins, Sascha Kockoth, Jürgen Omeis
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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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Patent number: 9085654Abstract: The invention relates to addition compounds and their salts that comprise polypropylene oxide structures, characterized in that the addition compounds are obtainable by reacting (a) one or more polyisocyanates having at least two isocyanate groups per molecule with (b1) one or more compounds of the formula Y—XH, (b2) optionally one or more compounds of the formula G-(XH)n, (c1) one or more compounds of the general formula Z-Q and (c2) optionally one or more compounds of the general formula M-Q. The invention further relates to the preparation of the addition compounds and to their use as dispersants, wetting agents and dispersion stabilizers, and also to solids coated with the addition compounds.Type: GrantFiled: February 19, 2009Date of Patent: July 21, 2015Assignee: BYK-Chemie GmbHInventors: Wolfgang Pritschins, Jurgen Omeis, Hans-Josef Teuwsen
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Publication number: 20150038641Abstract: The present invention relates to phosphoric acid derivatives, which are present as urea urethanes and contain a radical with an affinity for the binder in addition to at least one phosphoric acid ester group. Said phosphoric acid derivatives are especially suitable as wetting agents and dispersants.Type: ApplicationFiled: May 4, 2012Publication date: February 5, 2015Applicant: BYK-CHEMIE GMBHInventors: Bernd Göbelt, Rene Nagelsdiek, Jürgen Omeis, Frederik Piestert, Wolfgang Pritschins, Natasa Meznaric, Daniela Schröder, Werner Tiegs
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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: 8795831Abstract: The invention relates to addition compounds and their salts, characterized in that the addition compounds are obtainable by reacting (a) one or more polyisocyanates having at least two isocyanate groups per molecule with (b) one or more compounds of the formula Y—(XH)n and (c) one or more compounds from the group consisting of (c1) compounds M-Q, (c2) a blocking agent for isocyanate groups, and (c3) optionally compounds of the general formula Z-Q. The invention further relates to the preparation of the addition compounds and to their use as dispersants, wetting agents and dispersion stabilizers, and also to solids coated with the addition compounds.Type: GrantFiled: January 9, 2009Date of Patent: August 5, 2014Assignee: BYK-Chemie GmbHInventors: Wolfgang Pritschins, Karlheinz Haubennestel, Hans-Josef Teuwsen
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Publication number: 20140194537Abstract: The present invention relates to a method for producing an additive composition which in particular contains specific urea urethanes. The additive composition is extremely suitable as a wetting agent and dispersant.Type: ApplicationFiled: May 5, 2012Publication date: July 10, 2014Applicant: BYK-CHEMIE GMBHInventors: Bernd Göbelt, René Nagelsdiek, Jürgen Omeis, Frederik Piestert, Wolfgang Pritschins, Natasa Meznaric, Daniela Schröder, Werner Tiegs
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Publication number: 20140012036Abstract: The invention relates to a wetting and dispersing agent that can be produced by carrying out step (1): wherein a) an organic polymer containing primary and/or secondary amino groups and h) at least one branched polyhydroxymonocarboxylic acid comprising, in addition to a carboxyl group, at least two hydroxy groups, one of which is not bound to the main chain of the molecule, are reacted by condensation reactions, forming amide linkages; and step (2): wherein at least some of the hydroxy groups of the hydroxy-functional reaction product obtained in step (1) are reacted with at least one organic monoisocyanate, forming urethane linkages.Type: ApplicationFiled: January 25, 2012Publication date: January 9, 2014Inventors: Jurgen Omeis, Wolfgang Pritschins, Frederik Piestert, Marcel Krohnen, Sandra O'Shea
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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