Patents by Inventor Olga FIEDEL

Olga FIEDEL 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: 20220403089
    Abstract: What is described is a composition for production of rigid polyurethane foam, comprising at least one isocyanate component, a polyol component, optionally a foam stabilizer, optionally blowing agent, wherein the composition contains at least one catalyst that catalyses the formation of a urethane or isocyanurate bond, wherein the catalyst comprises salts of amino acid derivatives.
    Type: Application
    Filed: September 8, 2020
    Publication date: December 22, 2022
    Applicant: Evonik Operations GmbH
    Inventors: Martin Glos, Jobst Grimminger, Torsten Panitzsch, Olga Fiedel
  • Patent number: 10793662
    Abstract: The present invention provides for the use of nitrogen compounds of formula (I) and/or of corresponding quaternized and/or protonated compounds for production of polyurethanes, compositions containing these compounds and polyurethane systems, especially polyurethane foams, which have been obtained using the compounds.
    Type: Grant
    Filed: July 23, 2015
    Date of Patent: October 6, 2020
    Assignee: Evonik Operations GmbH
    Inventors: Thomas Günther, Michael Fiedel, Olga Fiedel, Martin Glos, Roland Hubel
  • Patent number: 10414872
    Abstract: A process for producing SiOC-bonded polyether siloxanes by transesterification of alkoxysiloxanes with polyetherols in the presence of zinc acetylacetonate as catalyst is described.
    Type: Grant
    Filed: July 9, 2018
    Date of Patent: September 17, 2019
    Assignee: Evonik Degussa GmbH
    Inventors: Wilfried Knott, Horst Dudzik, Olga Fiedel, Philippe Favresse, Ute Hesse
  • Publication number: 20190040205
    Abstract: A process for producing SiOC-bonded polyether siloxanes by transesterification of alkoxysiloxanes with polyetherols in the presence of zinc acetylacetonate as catalyst is described.
    Type: Application
    Filed: July 9, 2018
    Publication date: February 7, 2019
    Applicant: Evonik Degussa GmbH
    Inventors: Wilfried Knott, Horst Dudzik, Olga Fiedel, Philippe Favresse, Ute Hesse
  • Patent number: 10106644
    Abstract: The invention relates to polyoxyalkylenes which contain guanidine groups in the side chain, and to a process for their preparation.
    Type: Grant
    Filed: May 13, 2015
    Date of Patent: October 23, 2018
    Assignee: Evonik Degussa GmbH
    Inventors: Olga Fiedel, Frank Schubert, Michael Fiedel
  • Patent number: 10106649
    Abstract: The invention relates to polyethers preparable in the presence of a DMC catalyst comprising polyether siloxanes, to processes for preparing the polyethers and to the use thereof.
    Type: Grant
    Filed: April 28, 2015
    Date of Patent: October 23, 2018
    Assignee: Evonik Degussa GmbH
    Inventors: Olga Fiedel, Frank Schubert, Michael Fiedel, Wilfried Knott
  • Patent number: 10100148
    Abstract: The present invention provides specific alkoxylation products, a process for preparing them, compositions which comprise these alkoxylation products, and the use thereof.
    Type: Grant
    Filed: October 23, 2014
    Date of Patent: October 16, 2018
    Assignee: Evonik Degussa GmbH
    Inventors: Eva Emmrich-Smolczyk, Olga Fiedel, Mladen Vidakovic
  • Publication number: 20180194889
    Abstract: The present invention provides for the use of nitrogen compounds of formula (I) and/or of corresponding quaternized and/or protonated compounds for production of polyurethanes, compositions containing these compounds and polyurethane systems, especially polyurethane foams, which have been obtained using the compounds.
    Type: Application
    Filed: July 23, 2015
    Publication date: July 12, 2018
    Inventors: Thomas Günther, Michael Fiedel, Olga Fiedel, Martin Glos, Roland Hubel
  • Patent number: 9896541
    Abstract: The invention relates to DMC catalysts comprising polyether siloxanes, to processes for preparation thereof, to the use thereof, and to the DMC catalysts obtainable by the processes according to the invention.
    Type: Grant
    Filed: April 28, 2015
    Date of Patent: February 20, 2018
    Assignee: Evonik Degussa GmbH
    Inventors: Olga Fiedel, Frank Schubert, Michael Fiedel, Wilfried Knott
  • Patent number: 9790327
    Abstract: The present invention relates to compositions comprising a binder which comprises at least one alkoxy-functional polysiloxane, and at least one crosslinking catalyst, the crosslinking catalyst representing a silicon-containing guanidine compound, and also, optionally, an alkoxysilane as crosslinker.
    Type: Grant
    Filed: August 12, 2014
    Date of Patent: October 17, 2017
    Assignee: Evonik Degussa GmbH
    Inventors: Thomas Klotzbach, Michael Fiedel, Michael Ferenz, Olga Fiedel, M-Ibrahim Jussofie, Dirk Hinzmann, Wolfgang Hojak, Ingrid Eissmann
  • Publication number: 20170088667
    Abstract: The invention relates to DMC catalysts comprising polyether siloxanes, to processes for preparation thereof, to the use thereof, and to the DMC catalysts obtainable by the processes according to the invention.
    Type: Application
    Filed: April 28, 2015
    Publication date: March 30, 2017
    Applicant: Evonik Degussa GmbH
    Inventors: Olga FIEDEL, Frank SCHUBERT, Michael FIEDEL, Wilfried KNOTT
  • Publication number: 20170081469
    Abstract: The invention relates to polyethers preparable in the presence of a DMC catalyst comprising polyether siloxanes, to processes for preparing the polyethers and to the use thereof.
    Type: Application
    Filed: April 28, 2015
    Publication date: March 23, 2017
    Applicant: Evonik Degussa-GmbH
    Inventors: Olga FIEDEL, Frank SCHUBERT, Michael FIEDEL, WilFried KNOTT
  • Publication number: 20170081464
    Abstract: The invention relates to polyoxyalkylenes which contain guanidine groups in the side chain, and to a process for their preparation.
    Type: Application
    Filed: May 13, 2015
    Publication date: March 23, 2017
    Applicant: Evonik Degussa GmbH
    Inventors: Olga FIEDEL, Frank SCHUBERT, Michael FIEDEL
  • Publication number: 20160304666
    Abstract: The present invention provides specific alkoxylation products, a process for preparing them, compositions which comprise these alkoxylation products, and the use thereof.
    Type: Application
    Filed: October 23, 2014
    Publication date: October 20, 2016
    Inventors: Eva Emmrich-Smolczyk, Olga Fiedel, Mladen Vidakovic
  • Publication number: 20160304685
    Abstract: The invention relates to a process for production of polyurethane systems by reacting at least one polyol component with at least one isocyanate component in the presence of one or more catalysts for the isocyanate-polyol and/or isocyanate-water reactions and/or the trimerization of isocyanate, wherein said reacting is carried out in the presence of pentaethylenehexamine, and also to correspondingly obtained polyurethane systems.
    Type: Application
    Filed: October 23, 2014
    Publication date: October 20, 2016
    Inventors: Eva EMMRICH-SMOLCZYK, Olga FIEDEL, Mladen VIDAKOVIC
  • Publication number: 20160208050
    Abstract: The present invention relates to compositions comprising a binder which comprises at least one alkoxy-functional polysiloxane, and at least one crosslinking catalyst, the crosslinking catalyst representing a silicon-containing guanidine compound, and also, optionally, an alkoxysilane as crosslinker.
    Type: Application
    Filed: August 12, 2014
    Publication date: July 21, 2016
    Applicant: Evonik Degussa GmbH
    Inventors: Thomas KLOTZBACH, Michael FIEDEL, Michael FERENZ, Olga FIEDEL, M-Ibrahim JUSSOFIE, Dirk HINZMANN, Wolfgang HOJAK, Ingrid EISSMANN