Patents Assigned to BYK-Chemie GmbH
  • Patent number: 11377553
    Abstract: 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: Grant
    Filed: April 12, 2018
    Date of Patent: July 5, 2022
    Assignee: BYK-CHEMIE GMBH
    Inventors: Dominika Bernert, René Nagelsdiek, Alan L. Steinmetz, Justin Adams, George M. Zody, Wesley A. Huff, Daniela Leutfeld
  • Patent number: 11370912
    Abstract: 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: Grant
    Filed: April 12, 2018
    Date of Patent: June 28, 2022
    Assignee: BYK-CHEMIE GMBH
    Inventors: Dominika Bernert, René Nagelsdiek, Alan L. Steinmetz, Justin Adams, George M. Zody, Wesley A. Huff, Daniela Leutfeld
  • Patent number: 11358874
    Abstract: The present invention relates to sheet silicate lamellae of a 2:1 sheet silicate with a high aspect ratio, to a method for producing these sheet silicate lamellae and to an aqueous dispersion which comprises the sheet silicate lamellae. The present invention further relates to the use of the sheet silicate lamellae of the invention for producing a composite material, and also to a corresponding composite material comprising or obtainable using the sheet silicate lamellae, more particularly for use as a diffusion barrier or as a flame retardant.
    Type: Grant
    Filed: January 30, 2018
    Date of Patent: June 14, 2022
    Assignee: BYK CHEMIE GMBH
    Inventors: Hussein Kalo, Josef Breu, Matthias Stoeter, Matthias Daab
  • Patent number: 11298634
    Abstract: 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: Grant
    Filed: September 25, 2018
    Date of Patent: April 12, 2022
    Assignee: BYK-CHEMIE GMBH
    Inventors: Verena Wintermeyer, Guillaume Wojciech Jaunky, Mirco Süselbeck, Mathis Kulessa, Daniela Leutfeld
  • Patent number: 11254815
    Abstract: The invention relates to a process of preparing a polyolefin polylactic acid polymer blend comprising the steps of i) providing a polyolefin selected from polyethylene, polypropylene, and mixtures and copolymers thereof, ii) providing polylactic acid, iii) providing a polyolefin selected from polyethylene, polypropylene, and mixtures and copolymers thereof grafted with at least one epoxide-functional monomer, iv) providing a polylactic acid grafted with at least one carboxylic acid or carboxylic anhydride functional monomer, v) mixing the components i) to iv) at elevated temperature in a range from 150° C. to 260° C., and wherein component i) is provided in an amount of 5.0 to 50.0% by weight, component ii) is provided in an amount of 40.0 to 90.0% by weight, component iii) is provided in an amount of 1.0 to 20.0% by weight, and component iv) is provided in an amount of 1.0 to 15.0% by weight, calculated on the sum of components i) to iv).
    Type: Grant
    Filed: October 11, 2018
    Date of Patent: February 22, 2022
    Assignee: BYK-CHEMIE GMBH
    Inventors: Inno Rapthel, Frederik Piestert, Andre Rapthel, Thorsten Kröller
  • Patent number: 11248105
    Abstract: The invention relates to the use of a branched polyester having an average of at least 2.8 terminal groups as additive for a curable pre-polymer composition, wherein the branched polyester acts as de-foaming agent.
    Type: Grant
    Filed: August 20, 2018
    Date of Patent: February 15, 2022
    Assignee: BYK-CHEMIE GMBH
    Inventors: Frederik Piestert, Lee Robyn Gunning, Dennis Levering, Torsten Oelmann, Christian Biecker, Sascha Kockoth, Thorsten Kröller
  • Patent number: 11142607
    Abstract: The invention relates to a polymer having a) a polymer backbone and b) one or more polymeric side chains covalently linked to the polymer backbone, wherein the polymeric side chains comprise a polyether segment and a polysiloxane segment, said polysiloxane segment having a number average molecular weight in the range of 1050 to 6000, and said polyether segment being positioned between the polymer backbone and the polysiloxane segment.
    Type: Grant
    Filed: July 23, 2018
    Date of Patent: October 12, 2021
    Assignee: BYK-Chemie GmbH
    Inventors: Guillaume Wojciech Jaunky, Marc Eberhardt, Mark Heekeren, Sven Tenbusch, Olaf Muschiolik, Jürgen Hartmann, Petra Della Valentina
  • Patent number: 11034878
    Abstract: The invention relates to an emulsion containing or consisting of (A) 40.00 to 97.98 wt. % of at least one hydrocarbon, (B) 2.00 to 59.98 wt. % of water or an aqueous solution of a salt which does not fall under the following definition according to (C) and (C) 0.02 to 8.00 wt. % of a salt of an amino amide of a fatty acid, containing at least one primary, secondary or tertiary amino group, and an acid component of general formula (I) in which R1 is a linear or branched, saturated or mono-unsaturated or poly-unsaturated hydrocarbon radical with 1 to 40 C atoms, R2 is an alkylene radical or arylalkylene radical with 2 to 20 C atoms and X is a radical which contains at least one acid group, m=0 or 1, n=1 to 30, wherein the weight proportions of components (A), (B) and (C) relate to the sum of the masses of these components and this is 100 wt. %.
    Type: Grant
    Filed: June 2, 2017
    Date of Patent: June 15, 2021
    Assignee: BYK-Chemie GmbH
    Inventors: René Nagelsdiek, Sylvia Bühne, Jan von Haaren, Agnetha Klein, Christian Sauerländer
  • Patent number: 11021643
    Abstract: An organoclay composition which is a mineral clay or mineral clay mixture that has been treated with at least organic quaternary ammonium compound and a synergist comprising (i) an amine salt of a trimer acid, and (ii) an amine salt of a monocarboxylic fatty acid. The monocarboxylic fatty acid may be (a) at least one saturated carboxylic acid; and/or (b) at least one unsaturated carboxylic acid.
    Type: Grant
    Filed: July 6, 2017
    Date of Patent: June 1, 2021
    Assignees: BYK USA, Inc., BYK-Chemie GmbH
    Inventors: Richard William Bennett, Patricia M. Bauer, René Nagelsdiek
  • Patent number: 11015026
    Abstract: The invention relates to polyesters of the following general formula, wherein the residues R1, R2, R3, R4, R5a (as a special case of residue R5), R6, R7 and R8 are free of carboxy, hydroxy, thiol, imino, and primary and secondary amino groups, the residues R5b (as a special case of R5) and R9 contain hydroxyl groups, 10 to 100 mol % of which can be present in salt form analogously to polymers or otherwise capped, u=0 or 1, v=1 to 60 and w=1 to 20. The invention further relates to wetting agents and dispersants that contain the aforementioned polyesters or consist thereof and to a method for producing said wetting agents and dispersants, to the use of the polyesters and reaction products of the method according to the invention as wetting agents and dispersants, and to compositions containing the polyesters, wetting agents and/or dispersants or reaction products of the method according to the invention and particulate solids.
    Type: Grant
    Filed: November 14, 2017
    Date of Patent: May 25, 2021
    Assignee: BYK-CHEMIE GMBH
    Inventors: Michael Bessel, Guillaume Wojciech Jaunky, Frederik Piestert, Carsten Nagel, Sandra Sabrina Meyer, Dennis Levering
  • Patent number: 10836857
    Abstract: 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 molecular
    Type: Grant
    Filed: September 11, 2017
    Date of Patent: November 17, 2020
    Assignee: BYK-CHEMIE GMBH
    Inventors: Irina Giebelhaus, Andreas Okkel, Wolfgang Pritschins
  • Patent number: 10640611
    Abstract: 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: Grant
    Filed: November 28, 2014
    Date of Patent: May 5, 2020
    Assignee: BYK-Chemie, GmbH
    Inventors: Bernd Göbelt, Andreas Okkel, Jürgen Omeis, Wolfgang Pritschins, Jörg Bömer, Sabine Stelz, Andrea Eßer
  • Patent number: 10626314
    Abstract: A drilling fluid for drilling gas or oil wells including: at least one oleaginous base fluid; at least one inorganic thixotropic agent; at least one of water or brine; at least one emulsifier; optionally at least one wetting agent; optionally at least one material which imparts alkalinity in the drilling fluid; optionally at least one weighting material; and a rheology modifying additive; wherein the rheology modifying additive, prior to addition to the drilling fluid, includes: (i) an amine salt of a trimer acid, the trimer acid having from about 30 to about 72 carbon atoms; and (ii) an amine salt of a monocarboxylic fatty acid, the monocarboxylic fatty acid having from about 6 to about 30 carbon atoms, optionally wherein the monocarboxylic fatty acid includes at least one of: (a) at least one saturated carboxylic; or (b) at least one unsaturated carboxylic acid.
    Type: Grant
    Filed: July 7, 2017
    Date of Patent: April 21, 2020
    Assignees: BYK-Chemie, GmbH, BYK USA Inc.
    Inventors: Richard William Bennett, Rene Nagelsdiek
  • Patent number: 10590289
    Abstract: The present invention relates to the use of polyhydroxyalkanoates as additives in coating compositions and also to coating compositions comprising polyhydroxylalkanoates as matting agents. The present invention further relates to coatings produced with the coating composition of the invention, comprising polyhydroxyalkanoates, on a substrate.
    Type: Grant
    Filed: January 12, 2012
    Date of Patent: March 17, 2020
    Assignee: BYK-Chemie GmbH
    Inventors: Marc Hans, Wojciech Jaunky, Albert Frank, Petra Lenz, Hendrik Luttikhedde
  • Patent number: 10557015
    Abstract: 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: Grant
    Filed: June 23, 2015
    Date of Patent: February 11, 2020
    Assignee: BYK-Chemie GmbH
    Inventors: Frederik Piestert, Wolfgang Pritschins, Sascha Kockoth, Jürgen Omeis
  • Patent number: 10544091
    Abstract: 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 seco
    Type: Grant
    Filed: June 3, 2016
    Date of Patent: January 28, 2020
    Assignee: BYK-Chemie, GmbH
    Inventors: Andreas Okkel, Bernd Göbelt, Jürgen Omeis, Jörg Bömer, Monika Roch, Sabine Stelz
  • Patent number: 10519358
    Abstract: The invention relates to a drilling fluid in the form of a water-in-oil (W/O) emulsion comprising at least components (A) to (D), wherein component (D) is at least one (meth)acrylic copolymer, which contains at least one of structural units (D1), (D2) and (D3) to introduce at least one hydroxyl and/or amino functionality into the copolymer and which further contains at least one structural unit (D4), a use of said (meth)acrylic copolymer as rheological agent in drilling fluids, which are water-in-oil (W/O) emulsions, as well as to a method of producing oil and/or natural gas or of preparing the production thereof comprising the step of using the inventive drilling fluid for generating and/or operating a drill hole.
    Type: Grant
    Filed: December 14, 2017
    Date of Patent: December 31, 2019
    Assignee: BYK CHEMIE GMBH
    Inventors: René Nagelsdiek, Alan Steinmetz, Justin Adams, Dominika Bernert, Jasmin Rudner, George Mark Zody
  • Patent number: 10407385
    Abstract: The present invention relates to ureaurethanes of the following formula (I) in which at least one of the R1 or R2 radicals is a mono- or polyunsaturated, branched or unbranched alkenyl or alkynyl radical having 12 to 24 carbon atoms, n is an integer ?1, where the upper limit for n arises from the maximum number average molecular weight Mn of the ureaurethanes of the general formula (I), which is 65 000 g/mol, and which is determined by means of gel permeation chromatography to DIN 55672-2 using a polymethyl methacrylate standard, R3 is a xylylene radical or a hydrogenated xylylene radical and R4 is a tolylene radical or various other radicals. The invention also relates to ureaurethane compositions comprising the ureaurethanes of the invention and to the preparation of both. The invention further relates to the use of the ureaurethanes or ureaurethane compositions as rheology control agent and antisettling agent.
    Type: Grant
    Filed: July 22, 2016
    Date of Patent: September 10, 2019
    Assignee: BYK-Chemie GmbH
    Inventors: Marc Eberhardt, René Nagelsdiek, Sylvia Bühne, Jürgen Omeis, Agnetha Schmitt
  • Publication number: 20190263964
    Abstract: 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 molecular
    Type: Application
    Filed: September 11, 2017
    Publication date: August 29, 2019
    Applicant: BYK-Chemie GmbH
    Inventors: Irina Giebelhaus, Andreas Okkel, Wolfgang Pritschins
  • Patent number: 10392494
    Abstract: 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: Grant
    Filed: June 23, 2015
    Date of Patent: August 27, 2019
    Assignee: BYK-Chemie GmbH
    Inventors: Frederik Piestert, Wolfgang Pritschins, Sascha Kockoth, Jürgen Omeis