Patents Assigned to Degussa GmbH
  • Patent number: 9948096
    Abstract: The present invention relates to a method for providing control power to stabilize an AC electrical grid, comprising an energy store which can take up and emit electrical energy, wherein for the purpose of providing the control power, the energy store is used together with a differential power provider, wherein the AC electrical grid operates at a predefined frequency and a frequency band around the predefined frequency is defined and the control power to be provided in the case of a frequency deviation within the frequency band is provided by the energy store to the extent of more than 50%, relative to the total control power to be provided.
    Type: Grant
    Filed: December 9, 2013
    Date of Patent: April 17, 2018
    Assignees: Evonik Degussa GmbH, STEAG Power Saar GmbH
    Inventors: Georg Markowz, Carsten Kolligs, Erdem Simsek, Anna Flemming, Dennis Gamrad, Sebastien Cochet, Wolfgang Schweissthal
  • Patent number: 9944836
    Abstract: The present invention provides novel polymeric amine compositions employing amine compounds having multiple tertiary amine groups. Methods of making these new compositions are also disclosed. Amine compositions and amine-epoxy compositions employing the polymeric amine compositions of the present invention are also provided.
    Type: Grant
    Filed: June 18, 2015
    Date of Patent: April 17, 2018
    Assignee: Evonik Degussa GmbH
    Inventors: Gamini Ananda Vedage, Juan Jesus Burdeniuc, Eugene George Lutz
  • Publication number: 20180100071
    Abstract: A paint system contains an anti-fouling metal oxide and a fumed silica, wherein the fumed silica has a BET surface area of 150 to 400 m2/g, a tamped density of 100 to 300 g/l and a thickening of less than 500 mPas.
    Type: Application
    Filed: March 10, 2016
    Publication date: April 12, 2018
    Applicant: Evonik Degussa GmbH
    Inventors: Georg DUERR, Magdalena KERN, Ruediger MERTSCH, Juergen MEYER, Guenther MICHAEL, Juri TSCHERNJAEW
  • Publication number: 20180102541
    Abstract: The present invention relates to polymers and to the use thereof in the form of active electrode material or in an electrode slurry as electrical charge storage means, the electrical charge storage means especially being secondary batteries. The secondary batteries are especially notable for high cell voltages, a small drop in capacity even on undergoing several charging and discharging cycles, and simple and scalable processing and production methods (for example by means of screen printing).
    Type: Application
    Filed: August 8, 2016
    Publication date: April 12, 2018
    Applicant: Evonik Degussa GmbH
    Inventors: Ulrich SCHUBERT, Andreas WILD, Bernhard HAEUPLER
  • Patent number: 9938310
    Abstract: Diastereomer mixture comprising diastereomers of the formulae (I.1) and (I.2) where R2, R4 are each independently selected from —(C1-C12)-alkyl, —(C3-C12)-cycloalkyl, —(C3-C12)-heterocycloalkyl, —(C6-C20)-aryl; the R1, R3 radicals are each a —(C3-C20)-heteroaryl radical. The invention further relates to Pd complex mixtures comprising the diastereomers according to the invention, and to the use thereof in an alkoxycarbonylation process.
    Type: Grant
    Filed: July 14, 2017
    Date of Patent: April 10, 2018
    Assignee: EVONIK DEGUSSA GMBH
    Inventors: Kaiwu Dong, Helfried Neumann, Ralf Jackstell, Matthias Beller, Dirk Fridag, Dieter Hess, Katrin Marie Dyballa, Frank Geilen, Robert Franke
  • Patent number: 9937483
    Abstract: Isophoronediamine, is prepared by A) subjecting isophoronenitrile directly in one stage to aminating hydrogenation to give isophoronediamine in the presence of ammonia, hydrogen, a hydrogenation catalyst and an optional additive, and in the presence or absence of an organic solvent; or B) first converting isophoronenitrile fully or partly in at least two or more than two stages to isophoronenitrile imine, and subjecting the isophoronenitrile imine to aminating hydrogenation to give isophoronediamine as a pure substance or in a mixture with another component and/or isophoronenitrile, in the presence of at least ammonia, hydrogen and a catalyst.
    Type: Grant
    Filed: March 28, 2016
    Date of Patent: April 10, 2018
    Assignee: Evonik Degussa GmbH
    Inventors: Stephan Kohlstruk, Anne Rittsteiger, Alexander Martin Ruefer, Norbert Schlueter, Sven Schneider, Sabrina Sowka, Guido Streukens, Stefan Roeder, Monika Berweiler
  • Publication number: 20180094103
    Abstract: A polyamide powder for powder bed fusion methods is described. The polymer exhibits a solution viscosity to ISO 307 of 1.55 to 1.75 and an increase in solution viscosity of 10% to 40%, preferably 20% to 30%, when under a nitrogen atmosphere it is subjected to a temperature 10° C. below its melting temperature for 24 h.
    Type: Application
    Filed: September 28, 2017
    Publication date: April 5, 2018
    Applicant: Evonik Degussa GmbH
    Inventors: Wolfgang Diekmann, Maik Grebe, Franz-Erich Baumann, Sylvia Monsheimer, Beatrice Kueting
  • Publication number: 20180098384
    Abstract: An apparatus for heating powder particles, contains a radiation source (1), a housing (2) and a screen (4). The radiation source (1) has its maximum radiative power in the wavelength range of 0.78-2.5 ?m. The screen (4) has an absorbance of at least 0.8 in the wavelength range of 0.78-2.5 ?m.
    Type: Application
    Filed: September 14, 2017
    Publication date: April 5, 2018
    Applicant: Evonik Degussa GmbH
    Inventors: Maik GREBE, Wolfgang Diekmann, Andreas Baptista
  • Publication number: 20180094146
    Abstract: Solventborne alkyd paint composition containing a universal colorant of organic pigment or inorganic pigment, a solventborne alkyd base paint and a fatty acid amidoamine, where the fatty acid amidoamine is the condensation product of a fatty acid or their corresponding ester or fatty oil and a polyamine, the polyamine is an aliphatic polyamine having an amine functionality of at least 2, and the polyamine contains at least one primary amine group and at least one tertiary amine group.
    Type: Application
    Filed: October 4, 2017
    Publication date: April 5, 2018
    Applicant: Evonik Degussa GmbH
    Inventors: Vishwa Prasad AITHA, Frank KLEINSTEINBERG, Vernon SZE, Kerh Li LIU, Philippe FAVRESSE
  • Publication number: 20180093925
    Abstract: A polyamide powder for selective absorbing sintering, SAS, or selective inhibition sintering, SIS. The polyamide powder has a solution viscosity to ISO 307 of 1.8 to 2 and a rise in the solution viscosity of 0% to 25% when it is subjected to a temperature 20° C. below its melting temperature under air for 20 hours.
    Type: Application
    Filed: September 29, 2017
    Publication date: April 5, 2018
    Applicant: Evonik Degussa GmbH
    Inventors: Wolfgang Diekmann, Malik Grebe, Franz-Erich Baumann, Sylvia Monsheimer, Beatrice Küting
  • Patent number: 9926451
    Abstract: The invention relates to silane-modified silicas having a BET surface area of 40 to 155 m2/g, a sulphur content between 0.05% and 25% by weight and a particle size d5 of ?4 ?m, and d50 of ?16 ?m. The silane-modified silicas are used in rubber mixtures.
    Type: Grant
    Filed: December 16, 2014
    Date of Patent: March 27, 2018
    Assignee: Evonik Degussa GmbH
    Inventors: Anke Blume, Torsten Peterle, Jaroslaw Monkiewicz
  • Patent number: 9927120
    Abstract: The invention relates to a method for thermally after-burning the waste gas flows developing during the production of acrolein in a gas phase process and for thermally after-burning the waste gas flows developing during the production of hydrocyanic acid in a gas phase process, characterized in that the waste gas flows from the production of acrolein and the waste gas flows from the production of hydrocyanic acid are supplied to a joint thermal after-burning process.
    Type: Grant
    Filed: December 19, 2011
    Date of Patent: March 27, 2018
    Assignee: Evonik Degussa GmbH
    Inventors: Caspar Heinrich Finkeldei, Pablo Zacchi, Martin Körfer
  • Publication number: 20180080586
    Abstract: A multilayer hollow body has the following layers: I. an inner layer (layer I) containing a moulding composition based on PA612, PA610, PA1010, PA1012 and/or PA1212 and copolymers thereof and mixtures thereof; II. optionally an adhesion promoter layer (layer II) containing a moulding composition based on the following components: a) 0 to 80 parts by weight of a polyamide selected from PA6, PA66, PA6/66 and mixtures thereof, b) 0 to 100 parts by weight of a polyamine-polyamide copolymer and c) 0 to 80 parts by weight of a polyamide selected from PA11, PA12, PA612, PA1010, PA1012, PA1212 and mixtures thereof, where the sum total of the parts by weight of components a), b) and c) is 100; III. a layer (layer III) containing an ethylene-vinyl alcohol copolymer moulding composition is executed in such a way that not more than 0.2 g/m2 of insoluble extract and not more than 7.
    Type: Application
    Filed: September 19, 2017
    Publication date: March 22, 2018
    Applicant: Evonik Degussa GmbH
    Inventors: Jasmin BERGER, Karl KUHMANN, Mario RESING, Jan HEIMINK, Olivier FARGES, Stefan ALTKEMPER
  • Patent number: 9919303
    Abstract: The present invention relates to a method for removing an organic compound from an aqueous solution, comprising the steps of providing the aqueous solution which contains the organic compound, and a hydrophobic organic solution, where the latter comprises a liquid hydrophobic cation exchanger, contacting the aqueous solution and the hydrophobic organic solution, and separating off the hydrophobic organic solution from the aqueous solution, wherein the liquid hydrophobic cation exchanger is a saturated alkanoic acid having at least one alkyl substituent, where the organic compound is an organic compound having at least one positive charge and a neutral or positive total charge.
    Type: Grant
    Filed: July 24, 2013
    Date of Patent: March 20, 2018
    Assignee: Evonik Degussa GmbH
    Inventors: Frank Erhardt, Lukas Falke, Ralf Kelle, Harald Haeger, Thomas Haas, Hans-Georg Hennemann, Oliver Thum, Martin Roos, Markus Poetter
  • Patent number: 9919494
    Abstract: A metallic pipe for contact with a hydrolyzing medium provides longer operating times and improved high temperature resistance. The pipe contains a layer of a polyamide moulding composition containing at least 50% by weight of polyamide content containing: I) 60 to 98 parts by weight of a polyamide which contains 10 to 70 meq/kg of a terminal carboxy group and has a relative solution viscosity ?rel of at least 1.90, and II) 2 to 40 parts by weight of a polyamine-polyamide graft copolymer produced from: a) 0.5 to 25% by weight, based on the entire monomer mixture, of a polyamine having at least 4 nitrogen atoms, and b) 75 to 99.5% by weight, based on the entire monomer mixture, of polyamide-forming monomers selected from lactams, ?-aminocarboxylic acids and/or equimolar combinations of diamine and dicarboxylic acid, with the proviso that the amino group concentration of the graft copolymer is in the range from 100 to 2500 meq/kg, wherein the sum of the parts by weight of I) and II) is 100.
    Type: Grant
    Filed: August 25, 2015
    Date of Patent: March 20, 2018
    Assignee: Evonik Degussa GmbH
    Inventors: Juergen Franosch, Franz-Erich Baumann, Horst Beyer, Andreas Dowe, Andreas Pawlik
  • Patent number: 9920334
    Abstract: A reaction mixture for producing ethanol and/or acetate from a carbon source in aerobic conditions, wherein the mixture comprises a first acetogenic microorganism in an exponential growth phase; free oxygen; and a second acetogenic microorganism in a stationary phase wherein the first and second acetogenic microorganism is capable of converting the carbon source to the acetate and/or ethanol.
    Type: Grant
    Filed: January 28, 2016
    Date of Patent: March 20, 2018
    Assignee: Evonik Degussa GmbH
    Inventors: Thomas Haas, Thomas Buelter, Martin Demler, Simon Beck
  • Patent number: 9914681
    Abstract: The preparation of high-quality oxo process alcohols from inconstant raw material sources is the technically demanding problem which is addressed by a process for continuously preparing an alcohol mixture, in which an input mixture which contains an olefin and has a composition that changes over time is subjected to an oligomerization to obtain an oligomerizate and at least a portion of the olefin oligomers present in the oligomerizate are hydroformylated with carbon monoxide and hydrogen in a hydroformylation in the presence of a homogeneous catalyst system to give aldehydes, at least some of which are converted to the alcohol mixture by subsequent hydrogenation. The process provides a constant plasticizer quality to be produced over a long production period and, optionally, a higher throughput with the same product quality.
    Type: Grant
    Filed: May 20, 2015
    Date of Patent: March 13, 2018
    Assignee: Evonik Degussa GmbH
    Inventors: Frank Geilen, Katrin Marie Dyballa, Dieter Hess, Stephan Peitz, Robert Franke, Dirk Fridag, Dietrich Maschmeyer, Helene Reeker, Guido Stochniol
  • Patent number: 9913789
    Abstract: The present invention relates to formulations comprising A) sphinganine and B) at least one active ingredient selected from the group creatine, creatinine, caffeine, carnitine, biotin, arjunolic acid, xymenynic acid, minoxidil, arginine and derivatives thereof.
    Type: Grant
    Filed: July 1, 2014
    Date of Patent: March 13, 2018
    Assignee: Evonik Degussa GmbH
    Inventors: Tim Köhler, Mike Farwick, Matthias Mentel, Peter Lersch
  • Publication number: 20180065892
    Abstract: A process for producing an ammonia-treated hydrophilic thermal insulation molding which includes treating a thermal insulation molding containing hydrophilic silica with ammonia by introducing the thermal insulation molding into a chamber and supplying gaseous ammonia until a pressure difference ?p of ?20 mbar is achieved. A process for producing a thermal insulation molding containing hydrophobic silica which includes treating the ammonia-treated hydrophilic thermal insulation molding with an organosilicon compound.
    Type: Application
    Filed: March 31, 2016
    Publication date: March 8, 2018
    Applicant: Evonik Degussa GmbH
    Inventors: Matthias GEISLER, Frank MENZEL
  • Publication number: 20180066297
    Abstract: There is provided a method of producing at least one rhamnolipid comprising: (a) contacting a recombinant cell with a medium containing a carbon source; wherein the recombinant cell has been genetically modified such that, compared to the wild-type of the cell, the cell has an increased activity of at least one of the enzymes E1, E2 and E3, wherein the enzyme E1 is an ?/? hydrolase (RHIA), the enzyme E2 is a rhamnosyltransferase I (RHIB) and the enzyme E3 is a rhamnosyltransferase II (RHIC), and wherein the carbon source is an alkane and/or alkanoic acid comprising 6 to 10 carbon atoms.
    Type: Application
    Filed: February 16, 2016
    Publication date: March 8, 2018
    Applicant: Evonik Degussa GmbH
    Inventors: Thomas Haas, Thomas Bülter, Stefan Buchholz, Simon Beck