Patents by Inventor Aurel Wolf

Aurel Wolf 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: 20240076439
    Abstract: The present invention relates to composition at least including (A) at least one epoxy-group terminated polyoxazolidinone, derived from at least one polyisocyanate compound and at least one aliphatic polyepoxide compound, (B) at least one compound having at least one group that is reactive towards terminal epoxy-groups, and (C) at least one solvent. The molar ratio of the epoxy groups of the polyepoxide compound to the isocyanate groups of the polyisocyanate compound is 50:1 to 2.4:1. The at least one epoxy-group terminated polyoxazolidinone is present in an amount of 50 to 95% by weight, in respect of the solid content of the composition. The sum of all components in respect of the solid content of the composition adds up to 100% by weight and where the solid content of the composition is at least 35% by weight.
    Type: Application
    Filed: December 6, 2021
    Publication date: March 7, 2024
    Inventors: Irene Cristina Latorre Martinez, Yvonne Reimann, Jan Weikard, Florian Golling, Laura Woods, Christoph Guertler, Aurel Wolf, Kai Laemmerhold, Stefan Westhues, Sohajl Movahhed, Walter Leitner, Charlotte Over, Chicco Manzuna Sapu, Mathias Glassner
  • Publication number: 20240026065
    Abstract: A process for producing a thermoplastic polyoxazolidinone comprising copolymerizing a diisocyanate compound with a bisepoxide compound in the presence of a catalyst, in a solvent, wherein the solvent (E) comprises at least one of a substituted or unsubstituted alkyl nitrile, a substituted or unsubstituted alkenyl nitrile, a substituted or unsubstituted cycloalkyl nitrile, a substituted or unsubstituted aryl nitrile, a substituted or unsubstituted alkylcycloalkyl nitrile, a substituted or unsubstituted alkylaryl nitrile, a substituted or unsubstituted hetercycloalkyl nitrile, a substituted or unsubstituted heteroalkyl nitrile, and a substituted or unsubstituted heteroaryl nitrile, preferably a substituted or unsubstituted aryl nitrile. The invention is also related to the resulting thermoplastic polyoxazolidinone.
    Type: Application
    Filed: November 26, 2021
    Publication date: January 25, 2024
    Inventors: Sohajl Movahhed, Stefan Westhues, Daniel Thiel, Kai Laemmerhold, Aurel Wolf, Christoph Guertler
  • Publication number: 20240010780
    Abstract: A process for producing thermoplastic polyoxazolidinones is provided. The process comprises copolymerization of a diisocyanate compound with a bisepoxide compound in the presence of a catalyst and a compound, wherein the compound is one or more compounds selected from the group consisting of monofunctional isocyanate, monofunctional epoxide, cyclic carbonate, monofunctional alcohol, monofunctional amine preferred monofunctional epoxide, wherein the process is performed at reaction temperatures of ?178° C. to ?230° C., wherein the bisepoxide compound (B) comprises 2,4?-isopropylidenediphenol diglycidyl ether (2,4? BADGE) and 4,4?-isopropylidenediphenol diglycidyl ether (4,4? BADGE); and wherein the molar ratio of 2,4?-isopropylidenediphenol diglycidyl ether (2,4? BADGE) is from ?3 mol-% to ?11 mol-% related to the sum of 2,4?-isopropylidenediphenol diglycidyl ether (2,4? BADGE) and 4,4?-isopropylidenediphenol diglycidyl ether (4,4? BADGE). A resulting thermoplastic polyoxazolidinone is also provided.
    Type: Application
    Filed: March 19, 2021
    Publication date: January 11, 2024
    Inventors: Elena Frick-Delaittre, Stefan Westhues, Aurel Wolf, Carsten Koopmans, Thomas Koenig, Christoph Guertler, Kai Laemmerhold, Daniel Thiel, Sohajl Movahhed
  • Publication number: 20230279175
    Abstract: A process for producing a thermoplastic polyoxazolidinone comprising copolymerization of a diisocyanate compound (A) with a bisepoxide compound (B) in the presence of a specific a quaternary ammonium, quaternary phoshonium and/or quaternary stibonium-based catalyst (C), a compound (D), a compound (F) wherein compound (D) and compound (F) is one or more compounds selected from the group consisting of a monofunctional isocyanate, a monofunctional epoxide, a cyclic carbonate, a monofunctional alcohol, a monofunctional amine optionally in a solvent (E), and wherein bisepoxide compound (B) comprises an epoxy-terminated oxazolidone-based prepolymer. The invention is also related to the resulting thermoplastic polyoxazolidinone.
    Type: Application
    Filed: August 17, 2021
    Publication date: September 7, 2023
    Inventors: Sohajl Movahhed, Stefan Westhues, Daniel Thiel, Kai Laemmerhold, Aurel Wolf, Christoph Guertler
  • Publication number: 20230257512
    Abstract: A process for producing a thermoplastic polyoxazolidinone comprising copolymerizing a diisocyanate compound (A) with a bisepoxide compound (B) in the presence of a specific a quaternary ammonium, quaternary phoshonium and/or quaternary stibonium-based catalyst (C), a compound (D), a compound (F) wherein compound (D) and compound (F) independently comprises at least one of a monofunctional isocyanate, a monofunctional epoxide, a cyclic carbonate, a monofunctional alcohol, a monofunctional amine optionally in a solvent (E), and wherein the process is in the absence of a solvent (G) with a boiling point higher than 200° C., preferably higher than 190° C. and more preferably higher than 180° C. at 1 bar (absolute). The invention is also related to the resulting thermoplastic polyoxazolidinone.
    Type: Application
    Filed: August 17, 2021
    Publication date: August 17, 2023
    Inventors: Sohajl Movahhed, Stefan Westhues, Daniel Thiel, Kai Laemmerhold, Aurel Wolf, Christoph Guertler
  • Publication number: 20230257523
    Abstract: The invention relates to a method for producing a poly(anthranilamide) via the polymerisation of isatoic anhydride, preferably in the presence of a solvent, on a starter at a reaction temperature in the region of 110° C. to 300° C., wherein the starter comprises an aliphatic mono- or diamine with 5 to 13 carbon atoms, an araliphatic mono- or diamine with 7 to 15 carbon atoms, an aromatic diamine with 6 to 13 carbon atoms, a carboxylic acid amide of formula Ar—(C?O)NHR, where Ar represents an aromatic group substituted with an amine NH— or NH2 group and R represents an aromatic or aliphatic group, or a mixture of the above-mentioned starters, and wherein the solvent, if used, comprises an organic solvent, which is in liquid form at the reaction temperature, an ionic liquid or a mixture of these solvents, obtaining a poly(anthranilamide) based on the starter.
    Type: Application
    Filed: July 5, 2021
    Publication date: August 17, 2023
    Inventors: Karolina Walker, Aurel Wolf, Stefan Westhues, Mike Schuetze, Olga Linker
  • Publication number: 20230235120
    Abstract: The present invention relates to a process of preparing a poly(anthranilamide) comprising the steps: (A) providing an anthranilate, and (B) reacting the anthranilate by polycondensation and separation of the alcohol on which the anthranilate is based in the presence of a catalyst to poly(anthranilamide), the poly(anthranilamides) obtained in this way and their use in the production of fibers of composite materials.
    Type: Application
    Filed: July 5, 2021
    Publication date: July 27, 2023
    Inventors: Karolina Walker, Aurel Wolf, Stefan Westhues, Mike Schuetze
  • Publication number: 20230220144
    Abstract: A process for producing a thermoplastic polyoxazolidinone comprising copolymerizing a diisocyanate compound (A) with a bisepoxide compound (B) in the presence of a specific a quaternary ammonium, quaternary phoshonium and/or quaternary stibonium-based catalyst (C), a compound (D), a compound (F) wherein compound (D) and compound (F) independently comprises at least one of a monofunctional isocyanate, a monofunctional epoxide, a cyclic carbonate, a monofunctional alcohol, a monofunctional amine optionally in a solvent (E), and wherein the catalyst (C) is added in at least two portions (C-1) and (C-2). The invention is also related to the resulting thermoplastic polyoxazolidinone.
    Type: Application
    Filed: August 17, 2021
    Publication date: July 13, 2023
    Inventors: Sohajl Movahhed, Stefan Westhues, Daniel Thiel, Kai Laemmerhold, Aurel Wolf, Christoph Guertler
  • Publication number: 20230212352
    Abstract: A process for producing a polyoxymethylene-polyoxyalkylene copolymer is provided. The process comprises reacting a polymer formaldehyde compound of an alkylene oxide and a specific component (X) in the presence of a double metal cyanide (DMC) catalyst. A polyoxymethylene-polyoxyalkylene copolymer can be obtained by means of such a process and to the use of same for producing a polyurethane polymer.
    Type: Application
    Filed: June 7, 2021
    Publication date: July 6, 2023
    Inventors: Aurel Wolf, Mike Schuetze, Christoph Guertler
  • Publication number: 20230070697
    Abstract: A process for producing an ether esterol, preferably a polyether esterol, by reacting an H-functional starter substance with a cyclic anhydride and an alkylene oxide in the presence of a catalyst is provided. An ether sterol and a process for preparing a polyurethane are also provided.
    Type: Application
    Filed: February 26, 2021
    Publication date: March 9, 2023
    Inventors: Aurel Wolf, Martin Machat, Christoph Guertler
  • Publication number: 20230065278
    Abstract: A method for producing an ether esterol, preferably a polyether esterol, is provided. The method comprises reacting an H-functional starter substance (1) with a cyclic anhydride (2) in the presence of a catalyst (4), wherein the cyclic anhydride (2) contains a specific alkylsuccinic acid anhydride (2-1) and the catalyst (4) is an amine, a double metal cyanide (DMC) catalyst and/or a Bronsted acid. Ether esterols, preferably polyether esterols obtainable using the claimed method are also provided..
    Type: Application
    Filed: March 19, 2021
    Publication date: March 2, 2023
    Inventors: Martin Machat, Aurel Wolf, Christoph Guertler, Jakob Marbach
  • Publication number: 20220403087
    Abstract: A method for producing a polyoxymethylene polyoxyalkylene copolymer, comprising reacting a polymer formaldehyde compound with an alkylene oxide in the presence of a double metal cyanide (DMC) catalyst, wherein the polymer formaldehyde compound comprises at least one terminal hydroxyl group and wherein the method comprises the steps of placing a suspending agent in a reactor and subsequently incrementally or continuously metering in the polymer formaldehyde compound into the reactor during the reaction is provided.
    Type: Application
    Filed: December 14, 2020
    Publication date: December 22, 2022
    Inventors: Jens Langanke, Aurel Wolf, Christoph Guertler
  • Publication number: 20220315697
    Abstract: A method for preparing polyether carbonate alcohols by attaching cyclic carbonate to an H-functional starter substance in the presence of a catalyst, characterized in that a tribasic alkali- or alkaline earth metal phosphate is used as the catalyst, the alkali metal being selected from potassium or cesium.
    Type: Application
    Filed: August 12, 2020
    Publication date: October 6, 2022
    Inventors: Aurel Wolf, Stefan Westhues, Mike Schuetze, Christoph Guertler
  • Patent number: 11427671
    Abstract: A process for producing thermoplastic polyoxazolidinone, comprising the following steps: (i) Reaction of a diisocyanate compound (A) with a bisepoxide compound (B) in the presence of a catalyst (C) and a compound (D) in a solvent (E) forming an intermediate compound (F) and (ii) Reaction of a compound (G) with the intermediate (F) formed in step (i), wherein the bisepoxide compound (B) comprises isosorbide diglycidylether, wherein compound (D) is one or more compounds selected from the group consisting of monofunctional isocyanate and monofunctional epoxide, and wherein compound (G) is an alkylene oxide. The invention is also related to the resulting thermoplastic polyoxazolidinone.
    Type: Grant
    Filed: October 25, 2019
    Date of Patent: August 30, 2022
    Assignee: Covestro Intellectual Property GmbH & Co. KG
    Inventors: Carsten Koopmans, Kai Laemmerhold, Christoph Guertler, Elena Frick-Delaittre, Aurel Wolf, Joachim Simon, Min Wang, Daniel Thiel, Walter Leitner
  • Publication number: 20220267515
    Abstract: A process for preparing polyether carbonate alcohols by attaching cyclic propylene carbonate to an H-functional starter substance in the presence of a catalyst, characterized in that at least one compound according to formula MnX (I) is used as a catalyst, wherein M is selected from the alkali metal cations Li+, Na+, K+ and Cs+, X is selected from the anions VO3?, WO42?, MoO42? and VO43?, n is 1, if X?VO3?, n is 2, if X?WO42? or MoO42?, and n is 3, if X?VO43?.
    Type: Application
    Filed: August 12, 2020
    Publication date: August 25, 2022
    Inventors: Aurel Wolf, Stefan Westhues, Mike Schuetze, Karolina Walker, Christoph Guertler
  • Publication number: 20220267504
    Abstract: A process for preparing polyether carbonate alcohols by attaching cyclic ethylene carbonate to an H-functional starter substance in the presence of a catalyst, characterized in that at least one compound according to formulae X[VO3] (1), Y2[WO4] (2), or Y3[VO4] (3), wherein X=alkali metal, preferably potassium or cesium, and Y=potassium or cesium, is used.
    Type: Application
    Filed: August 12, 2020
    Publication date: August 25, 2022
    Inventors: Aurel Wolf, Mike Schuetze, Stefan Westhues, Christoph Guertler
  • Publication number: 20220227919
    Abstract: A process for producing an epoxy-group terminated polyoxazolidinone comprising the copolymerization of a polyisocyanate compound (A) with two or more isocyanate groups with a polyepoxide compound (B) with two or more epoxy groups in the presence of a specific catalyst (C), wherein the molar ratio of the epoxy groups of the polyepoxide compound (B) to the isocyanate groups of the polyisocyanate compound (A) is from 2.6:1 and less than 25:1, and wherein the copolymerization is operated in the absence of an additional solvent (D-1) with a boiling point higher than 170° C., preferred higher than 165° C., more preferred higher than 160° C., and most preferred higher than 150° C. at 1 bar (absolute). The epoxy-group terminated polyoxazolidinones resulting from the process are also provided.
    Type: Application
    Filed: June 5, 2020
    Publication date: July 21, 2022
    Inventors: Elena Frick-Delaittre, Stefan Westhues, Yvonne Reimann, Carsten Koopmans, Jan Weikard, Aurel Wolf, Kai Laemmerhold, Christoph Guertler, Daniel Thiel, Waldemar Schlundt, Mathias Glassner
  • Publication number: 20220204684
    Abstract: A process for producing an isocyanate-group terminated polyoxazolidinone comprising the copolymerization of a polyisocyanate compound (A) with two or more isocyanate groups with a polyepoxide compound (B) with two or more epoxy groups in the presence of a specific catalyst (C), wherein the molar ratio of the isocyanate groups of the polyisocyanate compound (B) to the epoxy groups of the polyepoxide compound (A) is larger than 2:1 and less than 25:1. The resulting isocyanate-group terminated polyoxazolidinones is also provided.
    Type: Application
    Filed: June 5, 2020
    Publication date: June 30, 2022
    Inventors: Elena Frick-Delaittre, Stefan Westhues, Yvonne Reimann, Carsten Koopmans, Jan Weikard, Aurel Wolf, Dieter Mager, Christoph Guertler
  • Patent number: 11370874
    Abstract: A process for producing thermoplastic polyoxazolidinone, comprising the following steps: (i) Reaction of a diisocyanate compound (A) with a bisepoxide compound (B) in the presence of a catalyst (C) and a compound (D) in a solvent (E) forming an intermediate compound (F) and (ii) Reaction of a compound (G) with the intermediate (F) formed in step (i), wherein compound (D) is one or more compounds selected from the group consisting of monofunctional isocyanate and monofunctional epoxide, and wherein compound (G) is an alkylene oxide. The invention is also related to the resulting thermoplastic polyoxazolidinone.
    Type: Grant
    Filed: September 11, 2018
    Date of Patent: June 28, 2022
    Assignee: Covestro Deutschland AG
    Inventors: Carsten Koopmans, Christoph Guertler, Aurel Wolf, Elena Frick-Delaittre, Kai Laemmerhold, Claudine Rangheard, Timo Breuer
  • Patent number: 11352462
    Abstract: A process for producing rigid PUR/PIR foams comprising A1 an isocyanate-reactive component, A2 a flame retardant, A3 a blowing agent, A4 a catalyst, A5 optionally auxiliaries and additives, and B an organic polyisocyanate component. Component A1 comprises a triurethane triol A1.1 and a compound A1.2 selected from the group consisting of polyether polyol, polyester polyol, polyether carbonate polyol, and polyether ester polyol. Also disclosed is a rigid PUR/PIR foam, an insulating material, a composite element, and a mixture.
    Type: Grant
    Filed: December 12, 2018
    Date of Patent: June 7, 2022
    Assignee: COVESTRO DEUTSCHLAND AG
    Inventors: Hartmut Nefzger, Persefoni Hilken, Markus Meuresch, Aurel Wolf