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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Patent number: 11945940Abstract: A composition is provided comprising: a) polyvinylchloride, b) inorganic solid particles, and c) a polymer having a polyether segment, wherein at least 60 mol-% of the end groups of the polymer are selected from the group consisting of carboxylic acid groups and hydroxyl groups, and wherein at least a part of the end groups of the polymer is a carboxylic acid group, wherein the carboxylic acid end groups are linked to the polyether segment via a linking segment comprising an ester group.Type: GrantFiled: April 18, 2019Date of Patent: April 2, 2024Assignee: BYK-Chemie GmbHInventors: Wolfgang Pritschins, Daniel Leibig, Martin Fischer, Thomas Fritsch, Jennifer Heitzer, Dennis Krüsmann
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Patent number: 11879032Abstract: The present invention relates to reaction products containing urethane groups and urea groups, containing at least one species of general formula (I), to a method for producing said reaction products, to the use of said reaction products as wetting agents, dispersants, dispersion stabilizers, and/or adhesion promoters, and to compositions that contain the reaction products containing urethane groups and urea groups.Type: GrantFiled: April 21, 2022Date of Patent: January 23, 2024Assignee: BYK-Chemie GmbHInventors: Andreas Okkel, Wolfgang Pritschins, Michael Bessel, Irina Giebelhaus, Marcus Meichsner, Monika Roch
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Patent number: 11447598Abstract: The invention relates to a composition comprising i) 10-90 wt. % of an ethylenically unsaturated component (A), ii) 10-90 wt. % of a component (B) having urethane and/or urea groups, iii) 0-4 wt. % of an organic component (C) which is different from components (A) and (B), and iv) 0-9 wt. % of other ingredients (D) wherein the wt. % are calculated on the total weight of the composition, wherein the sum of the wt. % of component (A) and the wt. % of component (B) is 91-100 wt.Type: GrantFiled: September 3, 2018Date of Patent: September 20, 2022Assignee: BYK-Chemie GmbHInventors: Andreas Okkel, Wolfgang Pritschins, Matthew Burge, Hans-Josef Teuwsen
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Publication number: 20220282021Abstract: The present invention relates to reaction products containing urethane groups and urea groups, containing at least one species of general formula (I), to a method for producing said reaction products, to the use of said reaction products as wetting agents, dispersants, dispersion stabilizers, and/or adhesion promoters, and to compositions that contain the reaction products containing urethane groups and urea groups.Type: ApplicationFiled: April 21, 2022Publication date: September 8, 2022Inventors: Andreas OKKEL, Wolfgang PRITSCHINS, Michael BESSEL, Irina GIEBELHAUS, Marcus MEICHSNER, Monika ROCH
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Publication number: 20210253840Abstract: A composition is provided comprising: a) polyvinylchloride, b) inorganic solid particles, and c) a polymer having a polyether segment, wherein at least 60 mol-% of the end groups of the polymer are selected from the group consisting of carboxylic acid groups and hydroxyl groups, and wherein at least a part of the end groups of the polymer is a carboxylic acid group, wherein the carboxylic acid end groups are linked to the polyether segment via a linking segment comprising an ester group.Type: ApplicationFiled: April 18, 2019Publication date: August 19, 2021Inventors: Wolfgang Pritschins, Daniel Leibig, Martin Fischer, Thomas Fritsch, Jennifer Heitzer, Dennis Krüsmann
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Patent number: 10836857Abstract: The invention relates to processes for producing an amine adduct in which in a 1st step a polyamine (A) is reacted with a monomer (C) in the form of an epoxide, an oxetane or a cyclic carbonate to afford an (intermediate) product (AC) which in a subsequent 2nd step is reacted with a monomer (B) in the form of a lactone, an acyclic hydroxycarboxylic acid or a hydroxy-functional acyclic ester to afford a (descendant) product (ACB), wherein the polyamine (A) in each case comprises at least three amino groups (A+) selected from primary and secondary amino groups and each capable of reaction with the monomers (C) and (B), the monomer (C) contains no ester groups, no carboxyl groups and no primary or secondary amino groups and in the 1st step with ring opening and formation of a hydroxyl group (H+) reacts with one of the amino groups (A+) of the polyamine (A) with additional formation of either a carbon-nitrogen bond or a urethane bond, the monomer (B) contains no primary or secondary amino groups, has a molecularType: GrantFiled: September 11, 2017Date of Patent: November 17, 2020Assignee: BYK-CHEMIE GMBHInventors: Irina Giebelhaus, Andreas Okkel, Wolfgang Pritschins
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Publication number: 20200255583Abstract: The invention relates to a composition comprising i) 10-90 wt. % of an ethylenically unsaturated component (A), ii) 10-90 wt. % of a component (B) having urethane and/or urea groups, iii) 0-4 wt. % of an organic component (C) which is different from components (A) and (B), and iv) 0-9 wt. % of other ingredients (D) wherein the wt. % are calculated on the total weight of the composition, wherein the sum of the wt. % of component (A) and the wt. % of component (B) is 91-100 wt.Type: ApplicationFiled: September 3, 2018Publication date: August 13, 2020Inventors: Andreas Okkel, Wolfgang Pritschins, Matthew Burge, Hans-Josef Teuwsen
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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: 10557015Abstract: The invention relates to a two-component or multi-component system having at least one epoxy resin component (1) that comprises i. at least one epoxy resin, ii. at least one inorganic thickener (a1) and iii. at least one wetting and dispersing agent (a2) that inhibits the thickening effect of said inorganic thickener (a1); as well as a curing component (2) which comprises i.) 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 epoxy resin, and the curing component (2) being reactive to said epoxy resin component (1). The invention also relates to substrates coated with a two-component or multi-component system according to the invention. The invention also relates to the use of a combination of (a1) and (a2) in epoxy resin compositions, in order to give the formulation a latent thickening effect.Type: GrantFiled: June 23, 2015Date of Patent: February 11, 2020Assignee: BYK-Chemie GmbHInventors: Frederik Piestert, Wolfgang Pritschins, Sascha Kockoth, Jürgen Omeis
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Publication number: 20190263964Abstract: The invention relates to processes for producing an amine adduct in which in a 1st step a polyamine (A) is reacted with a monomer (C) in the form of an epoxide, an oxetane or a cyclic carbonate to afford an (intermediate) product (AC) which in a subsequent 2nd step is reacted with a monomer (B) in the form of a lactone, an acyclic hydroxycarboxylic acid or a hydroxy-functional acyclic ester to afford a (descendant) product (ACB), wherein the polyamine (A) in each case comprises at least three amino groups (A+) selected from primary and secondary amino groups and each capable of reaction with the monomers (C) and (B), the monomer (C) contains no ester groups, no carboxyl groups and no primary or secondary amino groups and in the 1st step with ring opening and formation of a hydroxyl group (H+) reacts with one of the amino groups (A+) of the polyamine (A) with additional formation of either a carbon-nitrogen bond or a urethane bond, the monomer (B) contains no primary or secondary amino groups, has a molecularType: ApplicationFiled: September 11, 2017Publication date: August 29, 2019Applicant: BYK-Chemie GmbHInventors: Irina Giebelhaus, Andreas Okkel, Wolfgang Pritschins
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Patent number: 10392494Abstract: 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: GrantFiled: June 23, 2015Date of Patent: August 27, 2019Assignee: BYK-Chemie GmbHInventors: Frederik Piestert, Wolfgang Pritschins, Sascha Kockoth, Jürgen Omeis
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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: 20180186917Abstract: The present invention relates to reaction products containing urethane groups and urea groups, containing at least one species of general formula (I), to a method for producing said reaction products, to the use of said reaction products as wetting agents, dispersants, dispersion stabilizers, and/or adhesion promoters, and to compositions that contain the reaction products containing urethane groups and urea groups.Type: ApplicationFiled: July 8, 2016Publication date: July 5, 2018Inventors: Andreas OKKEL, Wolfgang PRITSCHINS, Michael BESSEL, Irina GIEBELHAUS, Marcus MEICHSNER, Monika ROCH
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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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Patent number: 9931524Abstract: A metallic effect pigment with an additive, the additive being applied on at least a portion of the metallic effect pigment. The additive comprises, as structural units, at least one carboxylic acid having at least 4 carbon atoms and also at least one polyglycol ether. The carboxylic acid and the polyglycol ether are bonded covalently to one another. The disclosure is also directed to a method for producing these metallic effect pigments, and to the use thereof, as well as to a printing ink comprising the pigments.Type: GrantFiled: May 28, 2009Date of Patent: April 3, 2018Assignee: ECKART GMBHInventors: Dieter Proelss, Stefan Trummer, Stephan Roth, Bärbel Gertzen, Wolfgang Pritschins, Jürgen Omeis
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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: 9822234Abstract: 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 compositeType: GrantFiled: March 11, 2014Date of Patent: November 21, 2017Assignee: BYK-Chemie, GmbHInventors: Christian Biecker, Sascha Kockoth, Frederik Piestert, Wolfgang Pritschins, Jürgen Omeis, Eva Besten, Angelika Orlowski
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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: 20170226313Abstract: The invention relates to a two-component or multi-component system having at least one epoxy resin component (1) that comprises i. at least one epoxy resin, ii. at least one inorganic thickener (a1) and iii. at least one wetting and dispersing agent (a2) that inhibits the thickening effect of said inorganic thickener (a1); as well as a curing component (2) which comprises i.) 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 epoxy resin, and the curing component (2) being reactive to said epoxy resin component (1). The invention also relates to substrates coated with a two-component or multi-component system according to the invention. The invention also relates to the use of a combination of (a1) and (a2) in epoxy resin compositions, in order to give the formulation a latent thickening effect.Type: ApplicationFiled: June 23, 2015Publication date: August 10, 2017Inventors: Frederik PIESTERT, Wolfgang PRITSCHINS, Sascha KOCKOTH, Jürgen OMEIS
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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