Patents Assigned to Evonik Operations GmbH
  • Hybrid quats in, in particular, hair treatment agents
    Patent number: 11517515
    Abstract: The invention relates to compositions comprising A) at least one hybrid quat and B) at least one fatty alcohol.
    Type: Grant
    Filed: June 26, 2019
    Date of Patent: December 6, 2022
    Assignee: Evonik Operations GmbH
    Inventors: Peter Schwab, Stefan Neubauer, Patrick Winter
  • Ru-catalysed domino hydroformylation / hydrogenation / esterification using imidazole ligands
    Patent number: 11517890
    Abstract: Ru-catalysed domino hydroformylation/hydrogenation/esterification using imidazole ligands.
    Type: Grant
    Filed: November 19, 2021
    Date of Patent: December 6, 2022
    Assignee: EVONIK OPERATIONS GMBH
    Inventors: Robert Franke, Peter Kucmierczyk, Matthias Beller, Ricarda Dühren, Ralf Jackstell
  • EMULSIFIERS FOR POLYURETHANE BASED FOAM
    Publication number: 20220380517
    Abstract: This invention provides stable polyol compositions at all states and these compositions are stable for at least 24 hours, in some cases for more than 6 months. There is also provided polyol mixture compositions that may be uniformly blended under manufacturing conditions within a time period of less than eight hours, typically less than two hours, i.e., stable—polyol mixtures. The invention provides a composition and a method for making stable polyurethane foams. The polyol mixture comprises at least two polyols of different polyoxyethylene content, catalyst, at least one ethoxylated alcohol of the following formula: RO(CH2CH2O)nH, wherein R is C1-C31 linear or branched alkyl, n is an integer equal to or greater than 1; and wherein the at least one ethoxylated alcohol has a hydrophilic-lipophilic balance (HLB) value equal to or greater than about 3.7.
    Type: Application
    Filed: June 3, 2022
    Publication date: December 1, 2022
    Applicant: Evonik Operations GmbH
    Inventors: Jennifer Elizabeth Antoline Al-Rashid, Udo Banseberg, Stephanie Lynne Britton, Christian Brandl
  • Process for discharging low boilers during the production of dialkyl terephthalates or dialkyl phthalates
    Publication number: 20220380294
    Abstract: A process discharges low boilers during production of dialkyl terephthalates or dialkyl phthalates having C8 to C11 alkyl radicals. The production is carried out using a C8 to C11 alcohol or a mixture of two or more C8 to C11 alcohols in one or more reactors. The low boilers formed during the reaction are separated off by an efficient process and thus cannot accumulate.
    Type: Application
    Filed: May 25, 2022
    Publication date: December 1, 2022
    Applicant: Evonik Operations GmbH
    Inventors: Dietmar Gubisch, Ralf Klaus Hinsken, Johannes Kraft, Thomas Schneider
  • PROCESS FOR REGENERATING A CATALYST FOR THE HYDROFORMYLATION OF OLEFINS IN THE GAS PHASE
    Publication number: 20220379294
    Abstract: The present invention relates to a simple process for regenerating a hydroformylation catalyst consisting of a heterogenized catalyst system on a support consisting of a porous ceramic material. The invention also relates to a process for the start-up of the hydroformylation reaction after regeneration according to the invention.
    Type: Application
    Filed: April 8, 2022
    Publication date: December 1, 2022
    Applicant: Evonik Operations GmbH
    Inventors: Robert Franke, Linda Arsenjuk, Jessika Schüller, Frank Stenger, Vinzenz Fleischer, Marc Oliver Kristen
  • Process for Heterogeneous Isomerization of alpha-Olefins
    Publication number: 20220380276
    Abstract: A method for the isomerization of alpha-olefins to the corresponding internal olefins uses a heterogenous catalyst containing silicon-aluminum mixed oxide in a continuous fixed-bed operation mode.
    Type: Application
    Filed: November 4, 2020
    Publication date: December 1, 2022
    Applicant: Evonik Operations GmbH
    Inventors: Jens ELSNER, Horst-Werner Zanthoff, Fikri Sen
  • Process for oligomerization of isobutene
    Patent number: 11512030
    Abstract: A process can be used for oligomerization of isobutene by conversion of an isobutene-containing hydrocarbon stream over an acid catalyst in at least one reaction stage, where a particular ratio of recycle to feed is employed.
    Type: Grant
    Filed: September 1, 2021
    Date of Patent: November 29, 2022
    Assignee: Evonik Operations GmbH
    Inventors: Stephan Peitz, Guido Stochniol, Johannes Knossalla
  • Device for producing three-dimensional objects layer by layer
    Patent number: 11511488
    Abstract: A device produces three-dimensional objects layer by layer in a powder bed fusion process. The device includes a building space, at least one energy source, a building area with a building space platform and a building space container laterally confining the building space platform. The building space platform has an upper side, facing a powder, and an underside, facing away from the powder. The upper side of the building space platform includes a material with a thermal conductivity of at least 20 W/(m·K) and the underside of the building space platform includes a material with a thermal conductivity of a maximum of 0.5 W/(m·K). The contact surface of the upper side of the building space platform with respect to the powder or with respect to the cooling medium is raised by at least 20% in comparison with the planar surface of a building space platform.
    Type: Grant
    Filed: December 17, 2018
    Date of Patent: November 29, 2022
    Assignee: Evonik Operations GmbH
    Inventors: Maik Grebe, Wolfgang Diekmann, Sigrid Hessel, Maximilian Gruhn
  • Process for preparing N-methyl(meth)acrylamide
    Patent number: 11512043
    Abstract: The invention relates to a process for preparing N-methyl(meth)acrylamide and to the uses thereof.
    Type: Grant
    Filed: July 16, 2019
    Date of Patent: November 29, 2022
    Assignee: Evonik Operations GmbH
    Inventors: Marcel Treskow, Doris Saal, Thorben Schütz, Steffen Krill
  • DEVICE CONTAINING METAL OXIDE-CONTAINING LAYERS
    Publication number: 20220376180
    Abstract: The present invention is directed to a method for preparing a device, the method comprising: forming a first layer on top of a first electrode, the layer comprising a metal oxide that is formed by the deposition of a metal oxide precursor composition that can be directly patterned by means of exposure to electromagnetic radiation to form a patterned metal oxide layer, optionally forming a second electrode over the first device layer, wherein the method further includes optionally forming a layer comprising quantum dots on top of the first layer or after formation of the first layer, and to a device comprising a first layer comprising a metal oxide prepared by the method of the invention.
    Type: Application
    Filed: May 23, 2018
    Publication date: November 24, 2022
    Applicant: Evonik Operations GmbH
    Inventors: Jürgen Steiger, Alexey Merkulov, Ralf Anselmann, Gerhard Renner
  • HIGH VISCOSITY POLYACRYLATE BASE FLUIDS
    Publication number: 20220372388
    Abstract: Low molecular weight polyalkyl acrylate polymers can be used as high viscosity base fluids. A corresponding method can be used for their preparation. Lubricant compositions may contain such low molecular weight polyalkyl acrylate polymers and the compositions may be used as automatic transmission fluids, manual transmission fluids, continuously variable transmission fluids, gear oil formulations, industrial gear oil formulations, axle fluid formulations, dual clutch transmission fluids, dedicated hybrid transmission fluids, or hydraulic oils.
    Type: Application
    Filed: December 12, 2019
    Publication date: November 24, 2022
    Applicant: Evonik Operations GmbH
    Inventors: Stefan Karl Maier, Michael Neusius, Qi Xiao, Gabriela Fedor, Stefan Hilf, Frank-Olaf Mähling
  • Flexible tube having high temperature resistance
    Patent number: 11504939
    Abstract: A flexible pipe of multilayer structure with unbonded layers, where the pipe has an interior lining which comprises the following layers: a) at least one layer of which the material is composed of a moulding composition based on a polymer selected from the group of: polyarylene ether ketone, polyphenyl sulphone, polyphenylene sulphide, polyarylene ether ketone/polyphenylene sulphide blend and semiaromatic polyamide, where from 5 to 100 mol % of the dicarboxylic acid content thereof derives from an aromatic dicarboxylic acid having from 8 to 22 carbon atoms, and which has a crystallite melting point Tm of at least 260° C.; b) at least one layer of which the material is composed of a fluoropolymer moulding composition can be operated at temperatures above 130° C. The pipe has particular suitability for offshore applications in the production of oil or of gas.
    Type: Grant
    Filed: March 29, 2011
    Date of Patent: November 22, 2022
    Assignee: EVONIK OPERATIONS GmbH
    Inventors: Karl Kuhmann, Andreas Dowe, Rainer Goering
  • Benzylated triaminononane and uses thereof
    Patent number: 11505643
    Abstract: The present invention provides benzylated triaminononane compounds, epoxy curing agent compositions comprising benzylated triaminononane compounds and methods of making such compositions. Amine-epoxy compositions and articles produced from these amine-epoxy compositions are also disclosed.
    Type: Grant
    Filed: November 9, 2017
    Date of Patent: November 22, 2022
    Assignee: Evonik Operations GmbH
    Inventors: Gamini Ananda Vedage, Michael Cook, Sudhir Ananthachar, Jamie Schneck
  • Method for preparing keto-functionalized aromatic (meth)acrylates
    Patent number: 11505520
    Abstract: The invention relates to a method for preparing keto-functionalized aromatic (meth)acrylates.
    Type: Grant
    Filed: May 21, 2019
    Date of Patent: November 22, 2022
    Assignee: Evonik Operations GmbH
    Inventors: Tim Bleith, Steffen Krill, Thorben Schütz, Doris Saal, Marcel Treskow
  • Polyether block amide-poly(meth)acrylate foams
    Publication number: 20220363901
    Abstract: A mixture contains at least one polyether block amide (PEBA) and at least one poly(meth)acrylate, selected from poly(meth)acrylimides, poly-alkyl(meth)acrylates, and mixtures thereof. The mass ratio of PEBA to poly(meth)acrylate is 95:5 to 60:40. The polyalkyl(meth)acrylate contains 80% by weight to 99% by weight of methyl methacrylate (MMA) units and 1% by weight to 20% by weight of C1-C10-alkyl acrylate units, based on the total weight of polyalkyl(meth)acrylate. The mixture can be processed to give foamed mouldings. The mouldings can he used in footwear soles, stud material, insulation or insulating material, damping components, lightweight components, or in a sandwich structure.
    Type: Application
    Filed: October 16, 2019
    Publication date: November 17, 2022
    Applicants: Röhm GmbH, Evonik Operations GmbH
    Inventors: Kathrin Salwiczek, Alexander Richter, Christine Weiß, Wolfgang Luley, Andreas Weber, Lukas Friedrich Dössel, David Bailey, Ralf Richter, Steffen Krill, Johannes Vorholz, Maren Kuhn
  • MOULDING COMPOSITION CONTAINING POLYETHERAMIDE (PEA)
    Publication number: 20220363899
    Abstract: A moulding composition contains polyetheramide (PEA) based on a subunit 1, made of at least one linear aliphatic diamine having 15 C atoms and at least one linear aliphatic or aromatic dicarboxylic acid having 6 to 14 C atoms. Furthermore, the PEA also contains a subunit 2, made of at least one polyether diamine having at least 2.3 C-5 atoms per ether oxygen and NH2 groups at the chain ends. The moulding composition contains a maximum of 2.5% by weight of a rubber containing functional groups. The number of C atoms of at least one component of subunit 1 selected from diamine and dicarboxylic acid is at least 13, and the average molar mass number of subunit 2 is between 200 to 900 g/mol. A moulded object can be created from the moulding compound. The object can be a moulded part, a film, a bristle, a fiber, or a foam.
    Type: Application
    Filed: September 30, 2020
    Publication date: November 17, 2022
    Applicant: Evonik Operations GmbH
    Inventors: Franz-Erich BAUMANN, Kathrin Salwiczek
  • Silicone (meth)acrylates, process for their preparation and their use in curable compositions
    Publication number: 20220363838
    Abstract: A process can be used for preparing silicone (meth)acrylates, according to which at least one acetoxysilicone is reacted with at least one hydroxyfunctional (meth)acrylic acid ester. The corresponding silicone (meth)acrylates are useful, and can be used in curable compositions.
    Type: Application
    Filed: September 4, 2020
    Publication date: November 17, 2022
    Applicant: Evonik Operations GmbH
    Inventors: Frauke HENNING, Wilfried Knott, Sadik Amajjahe, Hardi Döhler, Andrea Lohse, Horst Dudzik
  • METAL FOAM ELEMENT CONTAINING COBALT AND METHOD FOR PRODUCING SAME
    Publication number: 20220362757
    Abstract: The present invention relates to a method for producing supported catalysts, comprising: providing a metal foam element A, which consists of metallic cobalt, an alloy of nickel and cobalt, or an arrangement of layers of nickel and cobalt, lying one over the other; applying an aluminum-containing powder MP to metal foam element A in order to obtain metal foam element AX; thermally treating metal foam element AX to achieve alloy formation between metal foam element A and aluminum-containing powder MP, in order to obtain metal foam element B; oxidatively treating metal foam element B, in order to obtain metal foam element C; and applying a catalytically active layer, comprising at least one support oxide and at least one catalytically active component, to at least part of the surface of metal foam element C, in order to obtain a supported catalyst.
    Type: Application
    Filed: September 25, 2020
    Publication date: November 17, 2022
    Applicant: EVONIK OPERATIONS GMBH
    Inventors: René POSS, Meike ROOS, Monika BERWEILER, Maximilian GLASER
  • Process for producing polyoxyalkylene polysiloxane block polymers
    Patent number: 11498996
    Abstract: SiOC-linked, linear polydimethylsiloxane-polyoxyalkylene block copolymers of formula (I) C—B-(AB)a—C1 are produced by reaction of end-equilibrated ?,?-diacetoxypolydimethylsiloxanes with a mixture including at least one polyether polyol, preferably a polyether diol, and at least one polyether monool or at least one monohydric alcohol.
    Type: Grant
    Filed: May 26, 2020
    Date of Patent: November 15, 2022
    Assignee: Evonik Operations GmbH
    Inventors: Wilfried Knott, Horst Dudzik, Frauke Henning, Philippe Favresse
  • ROOM TEMPERATURE IONIC LIQUID CURING AGENT
    Publication number: 20220356298
    Abstract: Epoxy curing agents are disclosed having an epoxy curing agent comprising at least one room temperature ionic liquid salt, the room temperature ionic liquid salt being a reaction product of (a) at least one polyalkylene polyamine compound represented by formula (I): wherein x, y, and z are integers of 2 and 3, m and n and integers of 1-3; and (b) an organic acid having pKa (the negative of the logarithm of the acid dissociation constant) less than 6. The liquid salt is a stable liquid at a temperature greater than 15° C. Curable epoxy-based compositions including the curing agent and articles formed by the curable epoxy-based compositions are also disclosed.
    Type: Application
    Filed: July 18, 2022
    Publication date: November 10, 2022
    Applicant: Evonik Operations GmbH
    Inventors: Jian Li, Lei Wang