Patents Assigned to Evonik Operation GmbH
  • PRODUCTION OF PU FOAMS USING RECYCLED POLYOLS
    Publication number: 20240309207
    Abstract: A process for producing PU foams using recycled polyols can be performed by reacting at least one polyol component, which has a recycled polyol, with at least one isocyanate component in the presence of one or more catalysts that catalyse the isocyanate-polyol and/or isocyanate-water and/or isocyanate trimerization reactions. The process also includes at least one foam stabilizer and optionally one or more chemical or physical blowing agents. The employed recycled polyol has toluene 2,4-diamine, toluene 2,6-diamine, 2,2?-diaminodiphenylmethane, 2,4?-diaminodiphenylmethane and/or 4,4?-diaminodiphenylmethane, and specifically in a total amount of 0.00001% to 0.4% by weight, preferably 0.00002% to 0.2% by weight, more preferably 0.00005% to 0.1% by weight, based on the total recycled polyol.
    Type: Application
    Filed: June 28, 2022
    Publication date: September 19, 2024
    Applicant: Evonik Operations GmbH
    Inventors: Ralph Marquardt, Roland Hubel, Annegret Terheiden, Felix Mühlhaus
  • FLAMEPROOF POLYAMIDE MOLDING COMPOUNDS FOR INSULATING ELECTRIC COMPONENTS
    Publication number: 20240309179
    Abstract: A flame-retardant polyamide molding compound may have low phosphorus content. Such a polyamide molding compound may include (A) a polyamide matrix including polyamide(s) having at least 8 carbon atoms per amide unit; (B) a flame retardant composition comprising (B1) metal-free aryl phosphate(s), (B2) aryl phosphonate(s), (B3) carbohydrate polyol(s), (B4) melamine cyanurate(s), and (B5) optionally, non-phosphorus-comprising flame retardant(s). A total phosphorus content from the flame retardant composition may be in a range of from 0.5 to 1.5 wt.
    Type: Application
    Filed: June 23, 2022
    Publication date: September 19, 2024
    Applicant: Evonik Operations GmbH
    Inventors: Alexey MERKULOV, Mario RESING, Juergen FRANOSCH, Eckart RUBAN, Andreas SZENTIVANYI, Duy Vu PHAM
  • PRODUCTION OF PU FOAMS
    Publication number: 20240309145
    Abstract: A process for producing PU foams, preferably flexible PU foams, can be performed by reacting at least one polyol component, comprising a recycled polyol, 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. The recycled polyol is obtained by hydrolysis of a polyurethane, by contacting said polyurethane with water in the presence of a specific base-catalyst-combination.
    Type: Application
    Filed: June 28, 2022
    Publication date: September 19, 2024
    Applicant: Evonik Operations GmbH
    Inventors: Annegret Terheiden, Jens Hildebrand, Natalia Hinrichs-Tontrup, Daniela Hermann
  • Stretched aromatic polyethers
    Patent number: 12091783
    Abstract: Stretched filaments based on aromatic polyethers, wherein the filaments have been stretched at a temperature between glass transition temperature and melting point and wherein the filaments are cooled down to below the glass transition temperature under full tensile load and a process for production thereof and use thereof.
    Type: Grant
    Filed: October 17, 2019
    Date of Patent: September 17, 2024
    Assignee: Evonik Operations GmbH
    Inventors: Lan de Gans Li, Martin Wielpütz, Markus Hartmann, Dirk Heinrich Bücker
  • Universal slip and flow control additives with recoatable quality
    Patent number: 12091579
    Abstract: A universal slip and levelling additive having a recoatable or reprintable property contains polyoxyalkylene-polysiloxane copolymers of general formula (I) wherein R1=identical and/or different alkyl radicals having 1 to 8 carbon atoms, preferably having 1-4 carbon atoms, particularly preferably having 1 or 2 carbon atoms; R=R1 and/or —CpH2pO[(C2H4O)x(C3H6O)y]R2, where p=2, 3 or 4, with the proviso that at least one R=—CpHpO[(C2H4O)x(C3H6O)y]—; R2=alkyl radical having 1 to 3 carbon atoms; n?45; m=1 to 5; and wherein x and y are selected such that the molecular weight of the polyoxyalkylene block [(C2H4O)x(C3H6O)] is >3000 g/mol and the molar weight ratio of x to y is <0.8.
    Type: Grant
    Filed: December 13, 2019
    Date of Patent: September 17, 2024
    Assignee: Evonik Operations GmbH
    Inventors: Petra Hinrichs, Berend-Jan de Gans, Roger Reinartz
  • VALVE TRAYS IN EXTRACTION COLUMNS
    Publication number: 20240299864
    Abstract: An extraction method and a countercurrent liquid-liquid extraction column extracts a hydrogen peroxide containing oxidized working solution of an anthraquinone process. The extraction column includes a plurality of sieve trays, wherein at least one of said sieve trays is a valve sieve tray including a downcomer and at least one floating valve that includes a liftable opening member covering a valve hole in the valve sieve tray and can be lifted by the light phase below the sieve tray. A more stable operation of sieve tray extraction columns is possible by using a floating valve so that the flow rate of the oxidized working solution of an AO process and the daily production of hydrogen peroxide can be increased.
    Type: Application
    Filed: July 7, 2022
    Publication date: September 12, 2024
    Applicant: Evonik Operations GmbH
    Inventors: Marco Ryll, Johannes Kamp, Eduardo Federico Arévalo Saade
  • Rumen protected products
    Patent number: 12082595
    Abstract: A composition for feeding a ruminant, including i) a core including a biologically active ingredient selected from i) amino acids, ii) proteins, iii) peptides, iv) carbohydrates, v) vitamins, vi) probiotic microorganisms, vii) prebiotic foods, viii) choline and salts, and ix) polyunsaturated fatty acids (PUFAs); and ii) a coating surrounding said core. The coating includes one or more layers of a mixture including from 60 wt %+/?10% to 80 wt %+/?10% of a saturated fat and from 20 wt %+/?10% to 40 wt %+/?10% of a fatty acid, each based on the total weight of the coating. The composition includes from 5 wt %+/?10% to 30 wt %+/?10% of the coating, based on the total weight of the composition.
    Type: Grant
    Filed: September 27, 2018
    Date of Patent: September 10, 2024
    Assignee: Evonik Operations GmbH
    Inventors: Thomas Haeussner, Georg Borchers, Harald Jakob, Ulrike Kottke, Frank Fischer, Claudia Parys, Winfried Heimbeck, Christian Rabe, Karsten Portner
  • Compression set
    Patent number: 12082704
    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: Grant
    Filed: October 14, 2020
    Date of Patent: September 10, 2024
    Assignee: Evonik Operations GmbH
    Inventors: Rüdiger Landers, Daniela Hermann, Isabelle Denise Wessely, Michael Ferenz, Rainer Ziegler
  • RECOVERING DI- AND/OR POLYISOCYANATES FROM PU-DEPOLYMERISATION PROCESSES
    Publication number: 20240294724
    Abstract: A process is developed for producing aromatic and/or aliphatic di- and/or polyisocyanates derived from the depolymerization of a polyurethane by hydrolysis. A composition suitable for producing polyurethane foam is made. A process is also developed for the production of polyurethane using at least one recycled isocyanate component, and a polyurethane foam is made. A process is made for manufacturing goods where the polyurethane foam is insulation, cushioning, and other similar products.
    Type: Application
    Filed: June 28, 2022
    Publication date: September 5, 2024
    Applicant: Evonik Operations GmbH
    Inventors: Ralph Marquardt, Roland Hubel, Annegret Terheiden, Felix Mühlhaus
  • HYDROGENATED POLYETHER-MODIFIED AMINO-FUNCTIONAL POLYBUTADIENES AND PROCESSES FOR PREPARATION THEREOF
    Publication number: 20240294676
    Abstract: A process for preparing hydrogenated polyether-modified amino-functional polybutadienes includes: reacting at least one polybutadiene with at least one epoxidizing reagent to give at least one epoxy-functional polybutadiene; reacting the at least one epoxy-functional polybutadiene with at least one amino-functional compound to give at least one hydroxy- and amino-functional polybutadiene; reacting the at least one hydroxy- and amino-functional polybutadiene with at least one epoxy-functional compound to give at least one polyether-modified amino-functional polybutadiene; and hydrogenating the at least one polyether-modified amino-functional polybutadiene to give at least one hydrogenated polyether-modified amino-functional polybutadiene.
    Type: Application
    Filed: May 16, 2022
    Publication date: September 5, 2024
    Applicant: Evonik Operations GmbH
    Inventors: Matthias Lobert, Frank Schubert, Michael Urban, Sarah Otto, Frauke Henning
  • URETHANE COMPOUNDS FOR FINISHING TEXTILE SHEET MATERIALS IN A FLUORINE-FREE MANNER
    Publication number: 20240294700
    Abstract: A urethane compound contains at least one polyglycerol structural unit. A method for producing the urethane compound is developed. A method for the impregnation of textile fabrics using the urethane compound is also developed, and the textile fabrics thereof are made.
    Type: Application
    Filed: June 9, 2022
    Publication date: September 5, 2024
    Applicant: Evonik Operations GmbH
    Inventors: Ruben Benedikt Richrath, Gabriele Platte, Nicole Pfeiffer, Stefan Bergfried, Verena Dahl, Kathrin Stremmer, Sarah Radloff, Caren Röben, Nino Bagus, Jan Marian von Hof
  • Metal foam bodies and process for production thereof
    Patent number: 12076790
    Abstract: The present invention relates to processes for producing metal foam bodies, in which metal-containing powders that may comprise aluminium and chromium or molybdenum are applied to metal foam bodies that may comprise nickel, cobalt, copper and iron and then treated thermally, wherein the highest temperature in the thermal treatment of the metal foam bodies is in the range from 680 to 715° C., and wherein the total duration of the thermal treatment within the temperature range from 680 to 715° C. is between 5 and 240 seconds. Following this method of thermal treatment can achieve alloy formation at the contact surface between metal foam body and metal-containing powder, but simultaneously leave unalloyed regions within the metal foam. The present invention further comprises processes comprising the treatment of the alloyed metal foam bodies with basic solution.
    Type: Grant
    Filed: September 25, 2020
    Date of Patent: September 3, 2024
    Assignee: Evonik Operations GmbH
    Inventors: René Poss, Monika Berweiler, Meike Roos
  • Preparations containing berry extracts for use in the prophylaxis and/or treatment of viral infections caused by Paramyxoviridae
    Patent number: 12076357
    Abstract: A composition may be used in treating or preventing a virus infection in a subject, wherein the virus is from the Paramyxoviridae family and wherein the composition includes an extract of black currants and bilberries. The composition may contain an extract from black currants and bilberries in a weight ratio in a range of from 0.5:1 to 1:0.5. The extract may be an alcoholic extract, such as a methanol extract. The composition may be administered to the subject 1 to 10 oral dosages of at least 80 mg anthocyanins each per day, preferably 3 to 6 oral dosages of at least 80 mg anthocyanins each per day. The subject may not have received a measles vaccination or have previously been exposed to the measles virus.
    Type: Grant
    Filed: March 27, 2020
    Date of Patent: September 3, 2024
    Assignee: Evonik Operations GmbH
    Inventors: Jean-Luc Herbeaux, Norbert Windhab, Anne Benedikt, Andrea Engel, Maria Steinke, Jochen Bodem
  • ENZYMATIC METHOD FOR THE PRODUCTION OF L-GLUFOSINATE P-ALKYL ESTERS
    Publication number: 20240287558
    Abstract: An enzymatic method for the production of an L-glufosinate P-alkyl ester can be performed. This method is characterized by reacting an L-glufosinate P-alkyl ester carbamoylate to give the corresponding L-glufosinate P-alkyl ester. This is catalyzed by a carbamoylase. The L-glufosinate P-alkyl ester carbamoylate employed may be obtained by a reaction from the corresponding L-glufosinate hydantoin P-alkyl ester. This is catalyzed by a hydantoinase, preferably an L-enantioselective hydantoinase. In a second aspect, an enzymatic method for enantioselective production of an L-glufosinate P-alkyl ester from a mixture MIIIA of L- and D-glufosinate P-alkyl ester hydantoins can be performed. The L-glufosinate P-alkyl ester obtained in the methods according to the first or second aspect of the invention may be saponified to give L-glufosinate.
    Type: Application
    Filed: May 31, 2022
    Publication date: August 29, 2024
    Applicant: Evonik Operations GmbH
    Inventors: Ludger Lautenschütz, Steffen Oßwald, Markus Pötter, Jakob Müller
  • COMPOSITIONS COMPRISING N-NONANOIC ACID ESTERS OF XYLITAN AND/OR SORBITAN
    Publication number: 20240287412
    Abstract: Compositions are made with n-nonanoic acid esters of xylitan and/or sorbitan. A method to produce these compositions is developed. Further formulations are prepared with the compositions, and a method of improved dishwashing with the compositions is developed.
    Type: Application
    Filed: May 30, 2022
    Publication date: August 29, 2024
    Applicant: Evonik Operations GmbH
    Inventors: Alexandra Trambitas, Jan Marian von Hof, Dominik Schuch, Silvia Jentsch, Stefan Julian Liebig, Konrad Grygiel
  • COMPOSITION FOR MANUFACTURING SHEET MOLDING COMPOUNDS
    Publication number: 20240287287
    Abstract: A composition is made that is suitable for the manufacturing of sheet molding compounds, and a method for preparing the composition is developed. A method for making an article using the composition is developed, and an article with the composition, at least one such article being a mobility device, is made. The viscosity of a liquid mixture comprising an unsaturated polyester and at least one hollow glass body is controlled with at least one silane, a hydrolysate, an oligomer, and/or a polymer thereof.
    Type: Application
    Filed: June 15, 2022
    Publication date: August 29, 2024
    Applicant: Evonik Operations GmbH
    Inventors: Jacob Shevrin, Gregory Treich
  • AQUEOUS FORMULATION COMPRISING AT LEAST ONE AQUEOUS HYDROPHOBIZING AGENT FOR PRODUCTION OF AQUEOUS COATING COMPOSITIONS HAVING IMPROVED EARLY RAIN RESISTANCE
    Publication number: 20240287324
    Abstract: An aqueous formulation that has at least one aqueous hydrophobizing agent and at least one water-soluble cationic polymer can be used to produce aqueous coating compositions that have improved early rain resistance. The water-soluble cationic polymer can have quaternary ammonium groups and amino groups. The hydrophobizing agent is an aqueous silicone resin emulsion, a silicone oil emulsion, an emulsion or microemulsion of an amino-functional silicone oil, a silane emulsion, or mixtures thereof.
    Type: Application
    Filed: February 26, 2024
    Publication date: August 29, 2024
    Applicant: Evonik Operations GmbH
    Inventors: Berend-Jan DE GANS, Oliver Peters, Giuseppe Giuffre, Laura Hübner, Philippe Favresse, Andrea Sowa, Jonas Niedballa, Jasmin Brokamp
  • COMPOSITIONS COMPRISING DIPEPTIDES AND TRACE ELEMENTS
    Publication number: 20240279615
    Abstract: Compositions that have dipeptides, trace metal ions, and a molar ratio between 10000 and 20 can be used in a cell culture medium. More specifically, improved culture media for use in biotechnological production processes, processes employing such improved media, and to products obtained from the processes using the improved culture media.
    Type: Application
    Filed: August 24, 2022
    Publication date: August 22, 2024
    Applicant: Evonik Operations GmbH
    Inventors: Martin Schilling, Anne Benedikt, Ann-Katrin Kreitmann, Christian Keßler, Mario Gomez, Stefan Randl
  • Use of organosiloxanes comprising aromatic groups, in release coatings
    Patent number: 12065579
    Abstract: An organosiloxane which has at least one aromatic radical can be used in release coatings. Compositions, radiation-curing coating materials and release coatings can contain this organosiloxane. A method can be used to produce a release coating using this organosiloxane. The said organosiloxane is notable in that the at least one aromatic radical is bonded via a non-aromatic organic radical to a silicon atom.
    Type: Grant
    Filed: December 10, 2019
    Date of Patent: August 20, 2024
    Assignee: Evonik Operations GmbH
    Inventors: Hardi Döhler, Irem Karabulut
  • Method for the fermentative production of guanidinoacetic acid
    Patent number: 12065677
    Abstract: A microorganism is transformed to be capable of producing guanidinoacetic acid (GAA). A method can be used for the fermentative production of GAA using such a microorganism. A corresponding method can be used for the fermentative production of creatine.
    Type: Grant
    Filed: June 28, 2021
    Date of Patent: August 20, 2024
    Assignee: Evonik Operations GmbH
    Inventors: Frank Schneider, Frank Jankowitsch