Patents by Inventor René Nagelsdiek

René Nagelsdiek 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).

  • Patent number: 11453750
    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: Grant
    Filed: January 28, 2018
    Date of Patent: September 27, 2022
    Assignee: BYK-Chemie GmbH
    Inventors: René Nagelsdiek, Sylvia Bühne, Silke Gaul, Berthold Jacobs, Verena Karwath, Dominika Bernert, Daniela Leutfeld
  • Patent number: 11453791
    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: Grant
    Filed: February 7, 2018
    Date of Patent: September 27, 2022
    Assignee: BYK-Chemie GmbH
    Inventors: Christiane Knappke-Bongartz, Rene Nagelsdiek, Sylvia Bühne, Meike Johann, Agnetha Klein, Andre Tiemann
  • Publication number: 20220289896
    Abstract: The invention relates to a polymer (P) comprising at least one segment (S1) and at least one segment (S2) covalently linked to each other, wherein i) at least one segment (S1) has a number average molecular weight in the range of 6,000-25,000 g/mol and consists of ether repeating units, and for at least 75% by weight of repeating units of the formula —[CH2—CH2—O—]—, ii) at least one segment (S2) has a number average molecular weight of at most 10,000 g/mol and consists of ether repeating units, and for at most 25% by weight of repeating units of the formula —[CH2—CH2—O—]—, iii) polymer (P) comprises terminal groups comprising at least one of hydroxyl, primary amine or salts thereof, secondary amine or salts thereof, carboxylic acid or salts thereof.
    Type: Application
    Filed: August 4, 2020
    Publication date: September 15, 2022
    Inventors: Alan L. Steinmetz, Justin Adams, René Nagelsdiek, Donna Benefiel, Diana Walter, Aaron Osborne, George M. Zody
  • 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
  • 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
  • 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
  • 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
  • Publication number: 20210115183
    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: Application
    Filed: April 12, 2018
    Publication date: April 22, 2021
    Inventors: Dominika Bernert, René Nagelsdiek, Alan L. Steinmetz, Justin Adams, George M. Zody, Wesley A. Huff, Daniela Leutfeld
  • 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: 20200377723
    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: Application
    Filed: April 12, 2018
    Publication date: December 3, 2020
    Inventors: Dominika Bernert, René Nagelsdiek, Alan L. Steinmetz, Justin Adams, George M. Zody, Wesley A. Huff, Daniela Leutfeld
  • 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: 20200199316
    Abstract: The invention relates to a composition comprising carbon fibers and an additive agent having a molecular weight of at least 200 g/mol and comprising at least one functional group (A) which is an ethylenically unsaturated polymerizable group, and at least one functional group (B) comprising at least one group selected from secondary amine, tertiary amine, salt of secondary or tertiary amine, and quaternary ammonium, and wherein groups (A) and groups (B) are connected via covalent bonds, and wherein the covalent bonds include at least one ester group.
    Type: Application
    Filed: August 22, 2018
    Publication date: June 25, 2020
    Inventors: René Nagelsdiek, Christiane Knappke-Bongartz, Lee Robyn Gunning, Jasmin Rudner
  • 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: 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
  • 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
  • Publication number: 20190330510
    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: Application
    Filed: December 14, 2017
    Publication date: October 31, 2019
    Inventors: René Nagelsdiek, Alan Steinmetz, Justin Adams, Dominika Bernert, Jasmin Rudner, George Mark Zody