Patents by Inventor Michael Ferenz

Michael Ferenz 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: 20220185967
    Abstract: A process for preparing polyether-siloxane block copolymers by hydrosilylation of alpha,omega-modified hydrosiloxanes with alpha,omega-modified di(meth)allyl polyethers in the presence of a hydrosilylation catalyst, wherein the reaction is performed in a solvent mixture comprising aromatic solvents, polyethers and alkoxylated alcohol, is described.
    Type: Application
    Filed: November 10, 2021
    Publication date: June 16, 2022
    Applicant: Evonik Operations GmbH
    Inventors: Michael Ferenz, Michael Klostermann, Kai-Oliver Feldmann, Petra Schnell, Michelle Eckhoff
  • Patent number: 11332591
    Abstract: Process for producing PU foams by reacting at least one polyol component with at least one isocyanate component in the presence of one or more catalysts that catalyse the isocyanate-polyol and/or isocyanate-water reactions and/or isocyanate trimerization, and optionally one or more chemical or physical blowing agents, with use of SiOC-bonded polyether siloxanes having branching in the siloxane moiety, prepared from branched siloxanes bearing acetoxy groups, wherein a sufficient amount of the SiOC-bonded polyether siloxane having branching in the siloxane moiety is added that the proportion by mass of this polyether siloxane (e) based on the finished PU foam is from 0.0001% to 10% by weight.
    Type: Grant
    Filed: May 13, 2020
    Date of Patent: May 17, 2022
    Assignee: Evonik Operations GmbH
    Inventors: Daniela Hermann, Roland Hubel, Annegret Terheiden, Michael Ferenz, Wilfried Knott, Horst Dudzik
  • Patent number: 11279804
    Abstract: Branched SiOC-linked polyethersiloxanes have the following formula (I) where R1 is an alkyl radical having 1 to 4 carbon atoms or a phenyl radical, but preferably 90% of the radicals R1 are methyl radicals; b has a value of from 1 to 10; a has a value of from 1 to 200, preferably 10 to 100, a value of from 3 to 70 when b is ?1 and ?4, or a value of from 3 to 30 when b is >4; and R2 denotes identical or different polyether radicals, but at least one radical R2 is a structural element radical of formula (II): where p=at least 2, preferably p=2-6, particularly preferably p=3.
    Type: Grant
    Filed: May 26, 2020
    Date of Patent: March 22, 2022
    Assignee: Evonik Operations GmbH
    Inventors: Wilfried Knott, Horst Dudzik, Dagmar Windbiel, Philippe Favresse, Michael Fiedel, André Brötzmann, Frauke Henning, Jan Caßens, Michael Ferenz
  • Publication number: 20220056231
    Abstract: Compositions for producing a rigid polyurethane foam are described, comprising at least one isocyanate component, a polyol component, optionally a catalyst which catalyzes the formation of a urethane or isocyanurate bond, wherein the composition has hydrocarbons having 3, 4 or 5 carbon atoms, hydrofluorocarbons, hydrofluoroolefins (HFO), hydrohaloolefins, oxygen-containing blowing agents and/or chlorohydrocarbons as blowing agent, and also comprises acrylate and/or methacrylate copolymers as foam stabilizers.
    Type: Application
    Filed: August 2, 2021
    Publication date: February 24, 2022
    Applicant: Evonik Operations GmbH
    Inventors: Michael Wagner, Carsten Schiller, Michael Ferenz, Sarah Otto, Sabine Kömmelt
  • Publication number: 20220047969
    Abstract: A defoamer composition based on organofunctionally modified polysiloxanes contains one or more laterally polyether-modified polysiloxanes as component A and at least one terminally polyether-modified polysiloxane as component B.
    Type: Application
    Filed: August 11, 2021
    Publication date: February 17, 2022
    Applicant: Evonik Operations GmbH
    Inventors: Thorsten Schierle, Philippe Favresse, Michael Ferenz, Frank Schubert, Alexander Schulz, Michael Gippert, Tim Luca Wessiepe
  • Publication number: 20220041829
    Abstract: What are described are (a) a composition suitable for production of rigid polyurethane foam, comprising at least one isocyanate component, a polyol component, optionally a catalyst that catalyses the formation of a urethane or isocyanurate bond, optionally blowing agents, where the composition additionally comprises hydrocarbons HC, polyether-modified siloxane and optional polyalkylsiloxane, (b) a process for producing rigid polyurethane foam using hydrocarbons HC, polyether-modified siloxane and optional polyalkylsiloxanes, (c) the rigid polyurethane foam thus obtainable and (d) the use thereof.
    Type: Application
    Filed: December 16, 2019
    Publication date: February 10, 2022
    Applicant: Evonik Operations GmbH
    Inventors: Martin Glos, Jobst Grimminger, Michael Ferenz
  • Publication number: 20220017679
    Abstract: What are described are (a) a composition suitable for production of rigid polyurethane foam, comprising at least one isocyanate component, a polyol component, optionally a catalyst that catalyses the formation of a urethane or isocyanurate bond, optionally blowing agents, where the composition additionally comprises polyalkylsiloxane (PAS) containing no polyether modification, and polyether-modified siloxane, (b) a process for producing rigid polyurethane foam using polyalkylsiloxanes and polyether-modified siloxane, (c) the rigid polyurethane foam Thus obtainable and (d) the use thereof.
    Type: Application
    Filed: December 16, 2019
    Publication date: January 20, 2022
    Applicant: Evonik Operations GmbH
    Inventors: Martin Glos, Jobst Grimminger, Michael Ferenz
  • Publication number: 20210145010
    Abstract: Compositions containing at least one siloxane and at least one active microbiological ingredient are useful for the treatment of plants, of seeds or of soils, as biostimulant or as probiotic food supplement or animal feed additive, or as probiotic medicament. In addition, the siloxane improves the storage stability of an active microbiological ingredient.
    Type: Application
    Filed: April 12, 2019
    Publication date: May 20, 2021
    Applicant: Evonik Operations GmbH
    Inventors: René Hänsel, Katja Skrabania, Jochen Kleinen, Michael Ferenz
  • Publication number: 20210137276
    Abstract: What are described are shaped hot-cure flexible PU foam articles, preferably mattresses and/or cushions, wherein the hot-cure flexible polyurethane foam has been obtained by reaction of at least one polyol component and at least one isocyanate component in the presence of at least one compound of formula (1a) and at least one compound of formula (1b) and at least one blowing agent and at least one catalyst.
    Type: Application
    Filed: October 14, 2020
    Publication date: May 13, 2021
    Applicant: Evonik Operations GmbH
    Inventors: Rüdiger Landers, Daniela Hermann, Isabelle Denise Wessely, Michael Ferenz, Rainer Ziegler
  • Publication number: 20210047474
    Abstract: Crosslinked polyether siloxane block copolymers are obtained by reacting an alpha-omega hydrogen siloxane with at least one higher-order hydrogen siloxane and at least one polyether in the presence of a hydrosilylation catalyst. These are described, and also use thereof as additives for producing polyurethane foams, particularly mechanically foamed polyurethane foams.
    Type: Application
    Filed: February 8, 2019
    Publication date: February 18, 2021
    Applicant: Evonik Operations GmbH
    Inventors: Michael Klostermann, Michael Ferenz, Kai-Oliver Feldmann, Marvin Jansen, Michelle Fluder, Sina Arnold, Petra Schnell
  • Publication number: 20200377669
    Abstract: Branched SiOC-linked polyethersiloxanes have the following formula (I) where R1 is an alkyl radical having 1 to 4 carbon atoms or a phenyl radical, but preferably 90% of the radicals R1 are methyl radicals; b has a value of from 1 to 10; a has a value of from 1 to 200, preferably 10 to 100, a value of from 3 to 70 when b is ?1 and ?4, or a value of from 3 to 30 when b is >4; and R2 denotes identical or different polyether radicals, but at least one radical R2 is a structural element radical of formula (II): where p=at least 2, preferably p=2-6, particularly preferably p=3.
    Type: Application
    Filed: May 26, 2020
    Publication date: December 3, 2020
    Applicant: Evonik Operations GmbH
    Inventors: Wilfried Knott, Horst Dudzik, Dagmar Windbiel, Philippe Favresse, Michael Fiedel, André Brötzmann, Frauke Henning, Jan Caßens, Michael Ferenz
  • Publication number: 20200377684
    Abstract: Process for producing PU foams by reacting at least one polyol component with at least one isocyanate component in the presence of one or more catalysts that catalyse the isocyanate-polyol and/or isocyanate-water reactions and/or isocyanate trimerization, and optionally one or more chemical or physical blowing agents, with use of SiOC-bonded polyether siloxanes having branching in the siloxane moiety, prepared from branched siloxanes bearing acetoxy groups, wherein a sufficient amount of the SiOC-bonded polyether siloxane having branching in the siloxane moiety is added that the proportion by mass of this polyether siloxane (e) based on the finished PU foam is from 0.0001% to 10% by weight.
    Type: Application
    Filed: May 13, 2020
    Publication date: December 3, 2020
    Applicant: Evonik Operations GmbH
    Inventors: Daniela Hermann, Roland Hubel, Annegret Terheiden, Michael Ferenz, Wilfried Knott, Horst Dudzik
  • Patent number: 10787464
    Abstract: The use of zinc ketoiminate complexes in the production of polyurethanes is described, wherein the zinc ketoiminate complexes are obtainable by reacting a zinc compound with certain ketimines.
    Type: Grant
    Filed: September 14, 2018
    Date of Patent: September 29, 2020
    Assignee: Evonik Operations GmbH
    Inventors: Michael Fiedel, Thomas Günther, Martin Glos, Michael Ferenz, Christian Eilbracht, Wilfried Knott, Stephan Schulz, Dennis Dittrich
  • Publication number: 20200216474
    Abstract: The use of zinc ketoiminate complexes in the production of polyurethanes is described, wherein the zinc ketoiminate complexes are obtainable by reacting a zinc compound with certain ketimines.
    Type: Application
    Filed: September 14, 2018
    Publication date: July 9, 2020
    Applicant: Evonik Operations GmbH
    Inventors: Michael Fiedel, Thomas Günther, Martin Glos, Michael Ferenz, Christian Eilbracht, Wilfried Knott, Stephan Schulz, Dennis Dittrich
  • Patent number: 10544384
    Abstract: The invention provides compositions comprising at least one rhamnolipid and at least one siloxane, characterized in that the weight ratio of rhamnolipid to siloxane is from 5,000,000:1 to 100:1, preferably from 500,000:1 to 1000:1, particularly preferably from 25,000:1 to 2500:1. In another embodiment, the invention provides compositions include rhamnolipid in an amount of from 0.5% by weight to 70% by weight, preferably from 2% by weight to 60% by weight, particularly preferably from 3% by weight to 50% by weight, where the percentages by weight refer to the total composition.
    Type: Grant
    Filed: February 8, 2016
    Date of Patent: January 28, 2020
    Assignee: Evonik Degussa GmbH
    Inventors: Ralph Scheuermann, Marcel Pickl, Michael Ferenz, Hans Henning Wenk, Martin Schilling, Kathrin Daniela Brandt, Verena Dahl
  • Patent number: 10407546
    Abstract: The present invention relates to a process for producing hydrosilylatable, eugenol-based polyethers, to the conversion thereof into polyether siloxanes and also to the products that may be produced by this process and to the use of said products as surfactants.
    Type: Grant
    Filed: November 1, 2018
    Date of Patent: September 10, 2019
    Assignee: Evonik Degussa GmbH
    Inventors: Matthias Lobert, Michael Ferenz, Katrin Roland, Thorsten Schierle
  • Patent number: 10351687
    Abstract: The present invention relates to a composition suitable for production of rigid polyurethane or polyisocyanurate foams, said composition comprising at least one isocyanate component, at least one polyol component, at least one foam stabilizer, at least one urethane and/or isocyanurate catalyst, optionally water and/or blowing agent, and optionally at least one flame retardant and/or further additives, which comprises at least two different varieties 1 and 2 of polyether siloxanes as foam stabilizers, and to the use of this composition for production of foamed polyurethane or polyisocyanurate materials, preferably rigid foams.
    Type: Grant
    Filed: December 17, 2014
    Date of Patent: July 16, 2019
    Assignee: Evonik Degussa GmbH
    Inventors: Jorg Diendorf, Raymond M. Geiling, III, Christian Eilbracht, Michael Ferenz
  • Patent number: 10299471
    Abstract: The invention relates to polyether-modified siloxanes which are both superspreading and readily biodegradable. In particular, the invention is directed to a composition including polyether-modified siloxanes of formula (I) MaDbD?c??Formula (I) with M=R13SiO1/2, D=R12SiO2/2, D?=R1R2SiO2/2, where a is 2, b is between 0 and 0.1, c is between 1.0 and 1.15, 0 and 1.05, R1 are independently hydrocarbyl having 1 to 8 carbon atoms, preferably methyl, ethyl, propyl or phenyl radicals, especially preferably methyl radicals, R2 are independently a polyether radical of the formula (II) —R3O[CH2CH2O]m[CH2CH(CH3)O]nR5??Formula (II) where m=3.4 to 11.0, n=2.5 to 8.0, wherein m/n=1.9 to 2.8, and R3 are independently divalent hydrocarbyl radicals having 2 to 8 carbon atoms, and R5 is hydrogen, wherein the polyether-modified siloxanes of formula (I) having a biodegradability of greater than 60%.
    Type: Grant
    Filed: May 30, 2016
    Date of Patent: May 28, 2019
    Assignee: Evonik Degussa GmbH
    Inventors: René Hänsel, Ewald Sieverding, Michael Ferenz, Gerd Windbiel, Andrea Jacobi
  • Patent number: 10287454
    Abstract: The present invention relates to coating compositions comprising A) alkoxy-functional arylpolysiloxanes and/or alkoxy-functional aryl-alkylpolysiloxanes, B) at least one crosslinking catalyst and optionally C) at least one alkoxysilane and D) optionally further auxiliaries and additives, where the fraction of the alkoxy groups is at least 10 wt %, based on the sum of components A) and C).
    Type: Grant
    Filed: July 30, 2014
    Date of Patent: May 14, 2019
    Assignee: Evonik Degussa GmbH
    Inventors: Thomas Klotzbach, Michael Fiedel, Michael Ferenz
  • Publication number: 20190100620
    Abstract: The present invention relates to a process for producing hydrosilylatable, eugenol-based polyethers, to the conversion thereof into polyether siloxanes and also to the products that may be produced by this process and to the use of said products as surfactants.
    Type: Application
    Filed: November 1, 2018
    Publication date: April 4, 2019
    Applicant: Evonik Degussa GmbH
    Inventors: Matthias Lobert, Michael Ferenz, Katrin Roland, Thorsten Schierle