Patents by Inventor Angela KOECKRITZ

Angela KOECKRITZ 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: 20240051907
    Abstract: Proposed is a catalyst system specifically for the rearrangement of epoxides into allyl alcohols comprising or consisting of (a) a salt of formula (I) XY (I) in which X represents Zn2+ and/or Co2+ and Y represents an anion selected from the group formed from laurate, palmitate, stearate, picolinate, glycinate, gluconate, naphthenate, 2-hexyldecanoate, 2-octyldodecanoate, cyclohexane butyrate and mixtures thereof, and (b) at least one aminophenol.
    Type: Application
    Filed: January 22, 2021
    Publication date: February 15, 2024
    Inventors: Angela KÖCKRITZ, Elka KRALEVA, Katja NEUBAUER, Regina BIENERT, Stefan LAMBRECHT, Johannes PANTEN, Michael SEBEK, Bernhard RUSSBÜLDT
  • Publication number: 20230144944
    Abstract: What is proposed is a continuous process for producing limonene which has the feature that beta-pinene or beta-pinene-containing starting materials are isomerized in a trickle-bed reactor in the presence of acid catalysts.
    Type: Application
    Filed: February 18, 2020
    Publication date: May 11, 2023
    Inventors: Nikolas BUGDAHN, Angela Köckritz, Elka KRALEVA, Reinhard ECKELT
  • Patent number: 11472760
    Abstract: A process is proposed for preparing unsaturated macrocyclic monoketones, comprising the following steps: (a) providing macrocyclic dienes having a ring size of at least 9 carbon atoms; (b) contacting the starting materials from step (a) with (b1) a palladium(II) salt and/or a palladium(II) complex; and (b2) an oxidizing agent; and (b3) a solvent; and optionally (b4) a ligand; and optionally (b5) a co-catalyst; and optionally (b6) an acid, with the proviso that the co-catalyst (b5) comprises or consists of a divalent or trivalent iron salt which is different from FeSO4 and is preferably iron(III) nitrate.
    Type: Grant
    Filed: January 17, 2019
    Date of Patent: October 18, 2022
    Assignee: Symrise AG
    Inventors: Tom Brunzel, Angela Köckritz
  • Publication number: 20220055976
    Abstract: A process is proposed for preparing unsaturated macrocyclic monoketones, comprising the following steps: (a) providing macrocyclic dienes having a ring size of at least 9 carbon atoms; (b) contacting the starting materials from step (a) with (b1) a palladium(II) salt and/or a palladium(II) complex; and (b2) an oxidizing agent; and (b3) a solvent; and optionally (b4) a ligand; and optionally (b5) a co-catalyst; and optionally (b6) an acid, with the proviso that the co-catalyst (b5) comprises or consists of a divalent or trivalent iron salt which is different from FeSO4 and is preferably iron(III) nitrate.
    Type: Application
    Filed: January 17, 2019
    Publication date: February 24, 2022
    Inventors: Tom Brunzel, Angela Köckritz
  • Patent number: 11028033
    Abstract: The invention relates to a method for producing terpene aldehydes and terpene ketones by oxidatively dehydrogenating the corresponding terpene alcohols, comprising or consisting of the following steps: (a) providing terpene alcohols or terpene-alcohol-containing reactants; (b) bringing the starting substances from step (a) in contact with a heterogeneous ruthenium catalyst; (c) heating the mixture from step (b) to at least 150° C. in the presence of oxygen; optionally (d) separating the terpene aldehydes or terpene ketones from the obtained reaction mixture.
    Type: Grant
    Filed: August 26, 2017
    Date of Patent: June 8, 2021
    Assignee: SYMRISE AG
    Inventors: Anna Kulik, Reinhard Eckelt, Angela Köckritz, Katja Neubauer
  • Patent number: 11021426
    Abstract: A method for producing unsaturated macrocyclic monoketones comprising the following steps: (a) preparing macrocyclic dienes with a ring size of at least 9 carbon atoms; (b) contacting the starting materials from step (a) with (b1) a palladium(II) salt and/or a palladium(II) complex; and (b2) an oxidant; and (b3) a solvent; and optionally (b4) a ligand; and optionally (b5) a co-catalyst; and optionally (b6) an acid.
    Type: Grant
    Filed: October 25, 2017
    Date of Patent: June 1, 2021
    Assignee: Symrise AG
    Inventors: Tom Brunzel, Angela Köckritz, Andreas Martin, Diego A. Jaime Trevino
  • Publication number: 20200347002
    Abstract: A method for producing unsaturated macrocyclic monoketones comprising the following steps: (a) preparing macrocyclic dienes with a ring size of at least 9 carbon atoms; (b) contacting the starting materials from step (a) with (b1) a palladium(II) salt and/or a palladium(II) complex; and (b2) an oxidant; and (b3) a solvent; and optionally (b4) a ligand; and optionally (b5) a co-catalyst; and optionally (b6) an acid.
    Type: Application
    Filed: October 25, 2017
    Publication date: November 5, 2020
    Inventors: Tom BRUNZEL, Angela KÖCKRITZ, Andreas MARTIN, Diego A. Jaime TREVINO
  • Publication number: 20200181052
    Abstract: The invention relates to a method for producing terpene aldehydes and terpene ketones by oxidatively dehydrogenating the corresponding terpene alcohols, comprising or consisting of the following steps: (a) providing terpene alcohols or terpene-alcohol-containing reactants; (b) bringing the starting substances from step (a) in contact with a heterogeneous ruthenium catalyst; (c) heating the mixture from step (b) to at least 150° C. in the presence of oxygen; optionally (d) separating the terpene aldehydes or terpene ketones from the obtained reaction mixture.
    Type: Application
    Filed: August 26, 2017
    Publication date: June 11, 2020
    Inventors: Anna KULIK, Reinhard ECKELT, Angela KÖCKRITZ, Katja NEUBAUER
  • Patent number: 10442751
    Abstract: The present invention relates to a method for producing a substituted alkyl cycloalkanone, comprising the alkylation of a cycloalkanone with an alkene derivative in the presence of a metal oxide, where n is 2 to 20, m is 0 to 10, and R is a functional group.
    Type: Grant
    Filed: January 13, 2016
    Date of Patent: October 15, 2019
    Assignee: SYMRISE AG
    Inventors: Atia Hanan, Reinhard Eckelt, Angela Koeckritz, Johannes Panten, Peter Esser, Oskar Koch
  • Patent number: 10343966
    Abstract: The invention relates to a process for producing 17-oxabicyclo[14.1.0]heptadec-8-ene comprising a reaction with the reactants cyclohexadeca-1,9-diene and hydrogen peroxide.
    Type: Grant
    Filed: October 23, 2017
    Date of Patent: July 9, 2019
    Assignee: SYMRISE AG
    Inventors: Peter Esser, Angela Köckritz, Andreas Martin, Diego Jaime
  • Publication number: 20180291153
    Abstract: The present invention relates to isocyanate-free polyurethane composition for adhesives, sealants and coating materials. In particular, the present invention relates to isocyanate-free polyurethane composition including polymers (A) carrying cyclic carbonate groups, which do not comprise or are not based on isocyanates, obtained by reaction of polymers which carry carboxyl groups, selected from the group encompassing polyesters based on diols or polyols and on dicarboxylic or polycarboxylic acids and/or derivatives thereof, or poly(meth)acrylates, with five-membered cyclic carbonates that are functionalized with hydroxyl groups, and a curing agent (B) having at least one amino group and at least one further functional group, wherein the further functional group is not an isocyanate group.
    Type: Application
    Filed: June 13, 2016
    Publication date: October 11, 2018
    Inventors: Christina Cron, Gabriele Brenner, Benjamin Schaeffner, Angela Köckritz, Jens Deutsch, Katja Neubauer
  • Publication number: 20180179137
    Abstract: The invention relates to a process for producing 17-oxabicyclo[14.1.0]heptadec-8-ene comprising a reaction with the reactants cyclohexadeca-1,9-diene and hydrogen peroxide.
    Type: Application
    Filed: October 23, 2017
    Publication date: June 28, 2018
    Inventors: Peter Esser, Angela Köckritz, Andreas Martin, Diego Jaime
  • Publication number: 20180022683
    Abstract: The present invention relates to a method for producing a substituted alkyl cycloalkanone of formula (I), having the alkylation of a cycloalkanone of formula (II) with an alkene derivative of formula (III) in the presence of a metal oxide, where n is 2 to 20, m is 0 to 10, and R is a functional group.
    Type: Application
    Filed: January 13, 2016
    Publication date: January 25, 2018
    Applicant: SYMRISE AG
    Inventors: Atia HANAN, Reinhard ECKELT, Angela KOECKRITZ, Johannes PANTEN, Peter ESSER, Oskar KOCH
  • Patent number: 9192165
    Abstract: The invention relates to a method for producing CO2 for attracting bloodsucking arthropods (2). In this method, at least one liquid or solid organic substance (11) is reacted in an oxidation process in a targeted manner, one portion completely and another partially, thus forming, in addition to CO2, H2O and heat, at least one further partial oxidation product (P). The invention further relates to a device (1a, 1b) for generating CO2, said device (1a, 1b) comprising a storage means (10) for at least one liquid or solid organic substance (11) and an evaporation module (14) for the liquid or solid organic substance (11). The device (1a, 1b) comprises a reactor module (16) for the controlled oxidation and partial oxidation of the at least one liquid or solid organic substance (11); a control unit (80); and means (13, 18, 21, 22, 26) for regulating the oxidation and partial oxidation process.
    Type: Grant
    Filed: February 24, 2012
    Date of Patent: November 24, 2015
    Assignee: Biogents Ag
    Inventors: Andreas Rose, Angela Koeckritz, Michael Kant, Reinhard Eckelt, Dang-Lanh Hoang, Johannes Kant
  • Patent number: 8946463
    Abstract: The present invention relates to a chemocatalytic liquid-phase process for the direct one-stage amination of alcohols to primary amines by means of ammonia in high yields using a catalyst system containing at least one transition metal compound and a xantphos ligand.
    Type: Grant
    Filed: December 14, 2011
    Date of Patent: February 3, 2015
    Assignee: Evonik Degussa GmbH
    Inventors: Florian Klasovsky, Thomas Tacke, Jan Christoph Pfeffer, Thomas Haas, Matthias Beller, Andreas Martin, Jens Deutsch, Angela Koeckritz, Sebastian Imm, Juergen Haberland
  • Patent number: 8927773
    Abstract: The invention relates to a process for preparing primary amines which comprises the process steps A) provision of a solution of a secondary alcohol in a fluid, nongaseous phase, B) contacting of the phase with free ammonia and/or at least one ammonia-releasing compound and a homogeneous catalyst and optionally C) isolation of the primary amine formed in process step B), characterized in that the volume ratio of the volume of the liquid phase to the volume of the gas phase in process step B is greater than or equal to 0.25, and/or in that the ammonia is used in process step B) in a molar ratio based on the hydroxyl groups in the secondary alcohol of at least 5:1.
    Type: Grant
    Filed: August 23, 2011
    Date of Patent: January 6, 2015
    Assignee: Evonik Degussa GmbH
    Inventors: Florian Klasovsky, Jan Christoph Pfeffer, Thomas Tacke, Thomas Haas, Andreas Martin, Jens Deutsch, Angela Koeckritz
  • Patent number: 8921617
    Abstract: A process for the preparation of 1,2-pentanediol by reaction of a starting material comprising one or both compounds from the group consisting of furfuryl alcohol and furfural with hydrogen in the presence of a first heterogeneous catalyst is described.
    Type: Grant
    Filed: May 9, 2012
    Date of Patent: December 30, 2014
    Assignee: Symrise AG
    Inventors: Oskar Koch, Angela Köckritz, Michael Kant, Andreas Martin, Axel Schöning, Udo Armbruster, Michael Bartoszek, Sigrid Evert, Brigitte Lange, Regina Bienert
  • Patent number: 8835691
    Abstract: The present invention relates to a process for preparing primary amines comprising the process steps A) provision of a solution of a primary alcohol in a fluid, nongaseous phase, B) contacting of the phase with free ammonia and/or at least one ammonia-releasing compound and a homogeneous catalyst and optionally C) isolation of the primary amine formed in process step B), characterized in that the volume ratio of the volume of the liquid phase to the volume of the gas phase in process step B is greater than 0.05 and/or in that process step B is carried out at pressures greater than 10 bar.
    Type: Grant
    Filed: December 7, 2011
    Date of Patent: September 16, 2014
    Assignee: Evonik Degussa GmbH
    Inventors: Florian Klasovsky, Jan Christoph Pfeffer, Thomas Tacke, Thomas Haas, Matthias Beller, Angela Koeckritz, Jens Deutsch, Andreas Martin, Sebastian Imm
  • Publication number: 20140179950
    Abstract: A method for direct synthesis of adipic acid (AA) adopting green catalytic oxidation route of cyclohexane (CH) using the bimetallic catalysts is described. The reaction to convert CH into AA in the presence of bimetallic catalyst is carried in an autoclave in the temperature range of 25 to 300° C. The CH conversion was over 21% with AA selectivity of 34% and ca. 63% selectivity of cyclohexanone and cyclohexanol together over Au—Pd/TiO2 bimetallic catalyst.
    Type: Application
    Filed: March 3, 2014
    Publication date: June 26, 2014
    Applicant: King Abdulaziz City for Science and Technology (KACST)
    Inventors: Ahmad S. ALSHAMMARI, Abdulaziz A. BAGABAS, Angela KÖCKRITZ, Venkata Narayana KALEVARU, Andreas MARTIN
  • Publication number: 20140066666
    Abstract: A process for the preparation of 1,2-pentanediol by reaction of a starting material comprising one or both compounds from the group consisting of furfuryl alcohol and furfural with hydrogen in the presence of a first heterogeneous catalyst is described.
    Type: Application
    Filed: May 9, 2012
    Publication date: March 6, 2014
    Applicant: Symrise AG
    Inventors: Oskar Koch, Angela Köckritz, Michael Kant, Andreas Martin, Axel Schöning, Udo Armbruster, Michael Bartoszek, Sigrid Evert, Brigitte Lange, Regina Bienert