Patents by Inventor Sylvia Bühne

Sylvia Bühne 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).

  • Publication number: 20220243074
    Abstract: The invention deals with a composition comprising an organically modified silicate, and an organic compound having at least one non-primary amine group and at least three hydroxyl groups, wherein at least two of said hydroxyl groups have an amino group in beta position of the hydroxyl group, and wherein said at least two hydroxyl groups having an amino group in beta position of the hydroxyl group are separated by at least 6 carbon atoms, and wherein at least a part of the hydroxyl groups of the organic compound are secondary hydroxyl groups.
    Type: Application
    Filed: July 8, 2020
    Publication date: August 4, 2022
    Inventors: Dominika Beata Chajda, René Nagelsdiek, Sylvia Bühne, Klaus Dziwok, Heribert Holtkamp, Christoph Verlinden
  • Publication number: 20220145101
    Abstract: The invention relates to a composition comprising one or more urea-based compounds (A) having a number average molecular weight (Mn) between 350 g/mol and 30000 g/mol and one or more N-substituted caprolactam derivatives (B) according to formula (I) wherein R1 is an organic group having 1 to 2 carbon atoms and wherein R1 contains no oxygen atoms linked by single bonds.
    Type: Application
    Filed: March 12, 2020
    Publication date: May 12, 2022
    Inventors: Dominika Beata Chajda, René Nagelsdiek, Sylvia Bühne, Bianca Morhenn, André Tiemann
  • Publication number: 20220073670
    Abstract: The invention relates to a composition comprising: a) 10 to 60% by weight of one or more urea components having a number average molecular weight Mn above 350 g/mol, and b) 40 to 90% by weight of one or more carboxylic acid components according to formula (I): HO—R1—COOH, wherein R1 represents an organic group having 3 to 75 carbon atoms, and wherein the % by weight are calculated on the sum of components a) and b).
    Type: Application
    Filed: December 20, 2019
    Publication date: March 10, 2022
    Inventors: Christiane Knappke-Bongartz, René Nagelsdiek, Sylvia Bühne, Meike Johann, Jasmin Müllemann, Berthold Jacobs
  • 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
  • Publication number: 20210070697
    Abstract: The present invention relates to a urea group containing product comprising one or more species of formula (I) R1—X—(C?O)—[NH—R2—NH—(C?O)—NH—R3—NH—(C?O)]n—NH—R2—NH—(C?O)—X—R1 (I), 5 wherein R1 is independently selected from organic groups having (4) to (200) carbon atoms, X is O or NR4, wherein R4 is a hydrogen atom or an aliphatic or aromatic group having (1) to (30) carbon atoms, R2 is independently selected from hydrocarbyl groups having (4) to (40) carbon atoms, R3 is independently selected from hydrocarbyl groups having (2) to (40) carbon atoms, and wherein on average (76) to (100) mol % of all R3 groups contained in the one or more species of formula (I) are hydrocarbyl groups having (2) or (3) carbon atoms, and n is an integer of (2) to (150). The invention further relates to a method of manufacturing such urea group containing products, liquid compositions containing the same and the use of such liquid compositions as rheology control additives.
    Type: Application
    Filed: December 20, 2018
    Publication date: March 11, 2021
    Inventors: Christiane Knappke-Bongartz, René Nagelsdiek, Sylvia Bühne, Agnetha Klein, Berthold Jacobs
  • Publication number: 20200308106
    Abstract: The present invention relates to a urea and urethane group containing product comprising one or more species of formula (I) R1—O—(C?O)—NH—R2—NH—(C?O)—NH—R3—NH—[—(C?O)—NH—R4—NH—(C?O)—NH—R3—NH—]n—(C?O)—NH—R2—NH—(C?O)—O—R1 (I), wherein R1 independently represents a non-aromatic hydrocarbyl group having 14 to 30 carbon atoms; R2 independently represents alkyl-substituted aromatic hydrocarbyl groups having 7 to 12 carbon atoms; R3 independently represents hydrocarbyl groups having 2 to 36 carbon atoms, which can be interrupted by 1 to 17 ether oxygen atoms in case of aliphatic hydrocarbyl groups; R4 independently represents hydrocarbyl groups having 2 to 36 carbon atoms; n is an integer from 0 to 200; and wherein on average from 40 mol-% to 100 mol-% of all R3 and R4 groups contained in the one or more species of formula (I) are acyclic aliphatic hydrocarbyl groups which, in case of R3, can be interrupted by 1 to 17 ether oxygen atoms.
    Type: Application
    Filed: December 20, 2018
    Publication date: October 1, 2020
    Inventors: Christiane Knappke-Bongartz, René Nagelsdiek, Sylvia Bühne, Jan Von Haaren, Agnetha Klein, Christoph Verlinden
  • Publication number: 20190390011
    Abstract: The invention relates to urea- and/or urethane-substituted amides of the general formula (I) The radicals R1, Z1, R2, and Z2 comprise a building block containing urea groups and/or containing urethane groups; the radicals R4, Z4, R5, and Z5 comprise a building block containing amide groups, and E is a carboxylic acid group or salt thereof. The invention also relates to rheology control agents which consist of or comprise the amides of the formula (I). A further subject of the invention is a method for producing the rheology control agents, and the use of the urea- and/or urethane-substituted amides, and also of the rheology control agents, as thickeners, especially in liquid compositions, and also the liquid compositions themselves.
    Type: Application
    Filed: January 28, 2018
    Publication date: December 26, 2019
    Inventors: René Nagelsdiek, Sylvia Bühne, Silke Gaul, Berthold Jacobs, Verena Karwath, Dominika Bernert, Daniela Leutfeld
  • Publication number: 20190375951
    Abstract: The present invention relates to diamide-polyolefin wax mixture comprising one or more diamides (A) and one or more polyolefin waxes (B), where the diamide or diamides (A) possess a structure of the formula X1—CO—NH—Y—NH—CO—X2, in which X1 and X2 are identical or different and are linear or branched, saturated or unsaturated, optionally substituted hydrocarbon radicals having 3 to 29 carbon atoms, and Y is a divalent organic radical which is selected from the group consisting of aliphatic radicals having 2 to 26 carbon atoms, aromatic radicals having 6 to 24 carbon atoms or araliphatic radicals having 7 to 24 carbon atoms, and Y optionally comprises secondary or tertiary amino groups, and the polyolefin wax or waxes (B) carry one or more carboxyl groups and have an acid number of 3 to 50, and are homopolymers or copolymers of at least one ethylenically unsaturated olefin monomer, where the diamide or diamides (A), based on the total weight of the diamide-polyolefin wax mixture, are present in an amount of 20
    Type: Application
    Filed: February 7, 2018
    Publication date: December 12, 2019
    Inventors: Christiane Knappke-Bongartz, Rene Nagelsdiek, Sylvia Bühne, Meike Johann, Agnetha Klein, Andre Tiemann
  • 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
  • Patent number: 10377906
    Abstract: The invention relates to a rheology control agent containing i) 15-95% by weight of an amide compound (A), ii) 5-75% by weight of a urea compound (B), iii) 0-50% by weight of an ionogenic compound (C) and iv) 0-35% weight of an organic solvent (D).
    Type: Grant
    Filed: February 11, 2015
    Date of Patent: August 13, 2019
    Assignee: BYK-Chemie GmbH
    Inventors: Daniela Leutfeld, Marc Eberhardt, René Nagelsdiek, Sylvia Bühne, Jürgen Omeis, Jasmin Rudner
  • Publication number: 20190153289
    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: Application
    Filed: June 2, 2017
    Publication date: May 23, 2019
    Inventors: René Nagelsdiek, Sylvia Bühne, Jan von Haaren, Agnetha Klein, Christian Sauerländer
  • Publication number: 20180170860
    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 anti-settling agent.
    Type: Application
    Filed: July 22, 2016
    Publication date: June 21, 2018
    Inventors: Marc EBERHARDT, René NAGELSDIEK, Sylvia BÜHNE, Jürgen OMEIS, Agnetha SCHMITT
  • Patent number: 9796860
    Abstract: The invention relates to a urea preparation containing (A) 5 to 75 wt. % of one or more urea components which have a molecular weight of at least 350 g/mol and contain at least one urea group; (B) 15 to 95 wt. %, preferably 30 to 80 wt.
    Type: Grant
    Filed: April 15, 2015
    Date of Patent: October 24, 2017
    Assignee: BYK-Chemie GmbH
    Inventors: Daniela Leutfeld, Marc Eberhardt, René Nagelsdiek, Sylvia Bühne, Jürgen Omeis, Berthold Jacobs
  • Publication number: 20170240748
    Abstract: The invention relates to a rheology control agent containing i) 15-95% by weight of an amide compound (A), ii) 5-75% by weight of a urea compound (B), iii) 0-50% by weight of an ionogenic compound (C) and iv) 0-35% weight of an organic solvent (D).
    Type: Application
    Filed: February 11, 2015
    Publication date: August 24, 2017
    Inventors: Daniela LEUTFELD, Marc EBERHARDT, René NAGELSDIEK, Sylvia BÜHNE, Jürgen OMEIS, Jasmin RUDNER
  • Patent number: 9617371
    Abstract: The invention relates to polyureas having a weight-average molecular weight ranging from 5,000 to 70,000 g/mol, the preparation thereof, and the use thereof as rheology control agents. The invention further relates to rheology control agents containing polyureas and to the use thereof. The invention moreover relates to formulations containing polyureas.
    Type: Grant
    Filed: September 3, 2010
    Date of Patent: April 11, 2017
    Assignee: BYK-Chemie GmbH
    Inventors: Daniela Leutfeld, Bianca Morhenn, Marc Eberhardt, Ina Kober, Jürgen Omeis, Sylvia Bühne, Berthold Jacobs
  • Publication number: 20170044378
    Abstract: The invention relates to a rheology control agent containing i) 15-95% by weight of an amide compound (A), ii) 5-75% by weight of a urea compound (B), iii) 0-50% by weight of an ionogenic compound (C) and iv) 0-35% weight of an organic solvent (D).
    Type: Application
    Filed: February 11, 2015
    Publication date: February 16, 2017
    Inventors: Daniela LEUTFELD, Marc EBERHARDT, René NAGELSDIEK, Sylvia BÜHNE, Jürgen OMEIS, Jasmin RUDNER
  • Publication number: 20170037262
    Abstract: The invention relates to a urea preparation containing (A) 5 to 75 wt. % of one or more urea components which have a molecular weight of at least 350 g/mol and contain at least one urea group; (B) 15 to 95 wt. %, preferably 30 to 80 wt.
    Type: Application
    Filed: April 15, 2015
    Publication date: February 9, 2017
    Inventors: Daniela LEUTFELD, Marc EBERHARDT, René NAGELSDIEK, Sylvia BÜHNE, Jürgen OMEIS, Berthold JACOBS
  • Patent number: 9206334
    Abstract: The invention relates to a coating preparation containing i) 0.1 to 9.0 wt % a urea component (A), ii) 0.1 to 5.0 wt % an amide component (B), iii) 10.0 to 90.0 wt % a binding agent component (C) that is different from both the urea component (A) and the amide component (B), and iv) 0 to 85.0 wt % a solvent component (D), wherein the sum of the urea component (A) and amide component (B) fractions is 0.3 to 10.0 wt % and the sum of the binding component (C) and solvent component (D) fractions is 80.0 to 99.7 wt %.
    Type: Grant
    Filed: January 28, 2010
    Date of Patent: December 8, 2015
    Assignee: BYK-Chemie GmbH
    Inventors: Sylvia Bühne, Jürgen Omeis, Daniela Leutfeld, Marc Eberhardt, Berthold Jacobs
  • Publication number: 20120289635
    Abstract: The invention relates to a coating preparation containing i) 0.1 to 9.0 wt % a urea component (A), ii) 0.1 to 5.0 wt % an amide component (B), iii) 10.0 to 90.0 wt % a binding agent component (C) that is different from both the urea component (A) and the amide component (B), and iv) 0 to 85.0 wt % a solvent component (D), wherein the sum of the urea component (A) and amide component (B) fractions is 0.3 to 10.0 wt % and the sum of the binding component (C) and solvent component (D) fractions is 80.0 to 99.7 wt %.
    Type: Application
    Filed: January 28, 2010
    Publication date: November 15, 2012
    Inventors: Sylvia Bühne, Jürgen Omeis, Daniela Leutfeld, Marc Eberhardt, Berthold Jacobs
  • Publication number: 20120226075
    Abstract: The invention relates to polyureas having a weight-average molecular weight ranging from 5,000 to 70,000 g/mol, the preparation thereof, and the use thereof as rheology control agents. The invention further relates to rheology control agents containing polyureas and to the use thereof. The invention moreover relates to formulations containing polyureas.
    Type: Application
    Filed: September 3, 2010
    Publication date: September 6, 2012
    Applicant: BYK-Chemie GmbH
    Inventors: Daniela Leutfeld, Bianca Morhenn, Marc Eberhardt, Ina Kober, Jürgen Omeis, Sylvia Bühne, Berthold Jacobs