Patents by Inventor Christian Maletzko

Christian Maletzko 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: 20250092197
    Abstract: The present invention relates to a process for the preparation of a polyarylether copolymer (P), the polyarylether copolymer (P) obtained by the process and a process for the preparation of a membrane comprising the polyarylether copolymer (P) and the membrane itself.
    Type: Application
    Filed: July 27, 2022
    Publication date: March 20, 2025
    Inventors: Martin WEBER, Steffen MADER, Christian MALETZKO, Veit STEGMANN
  • Publication number: 20250043074
    Abstract: The present invention relates to a process for the preparation of a polyarylether copolymer (P), the polyarylether copolymer (P) obtained by the process and a process for the preparation of a membrane comprising the polyaryl-ether copolymer (P) and the membrane itself.
    Type: Application
    Filed: November 11, 2022
    Publication date: February 6, 2025
    Inventors: Martin WEBER, Jun GAO, Stefan BLEI, Indre THIEL, Jessica Nadine HAMANN, Frauke THRUN, Christian SCHUETZ, Christian MALETZKO
  • Publication number: 20250019542
    Abstract: A composition has at least one polyarylene (ether) sulfone, semi-aromatic polyamide, aluminum phosphate, and acid scavenger. The composition may further include at least one compatibilizer, fibrous or particulate filler, impact modifier, or auxiliary. The compositions can form a fiber, film, foam, or shaped article. The composition also has 20 to 80% by weight of the polyarylene (ether) sulfone. The polyarylene (ether) sulfone has at most 0.05% by weight of phenolic end groups.
    Type: Application
    Filed: November 16, 2022
    Publication date: January 16, 2025
    Applicant: BASF SE
    Inventors: Martin Weber, Michael Roth, Florian Hennenberger, Joachim Strauch, Christian Maletzko
  • Publication number: 20240399314
    Abstract: The present invention relates to a membrane (M) comprising a sulfonated poly(arylene ether sulfone) polymer (sP) and a non-sulfonated poly(arylene sulfone) polymer (P), to a method for the preparation of the membrane (M) and to the use of the membrane as nanofiltration membrane. Further, the present invention relates to a monolithic film (F) comprising a sulfonated poly(arylene ether sulfone) polymer (sP) and a non-sulfonated poly(arylene sulfone) polymer (P), wherein the monolithic film has a contact angle of 63 to 77°.
    Type: Application
    Filed: September 30, 2022
    Publication date: December 5, 2024
    Inventors: Oliver GRONWALD, Martin WEBER, Christian MALETZKO
  • Patent number: 12110368
    Abstract: A polyarylene ether sulfone comprising in polymerized form A) isosorbide, isomannide, isoidide or a mixture thereof and B) at least one nonsulfonated dihalodiaryl! sulfone (compound B) and C) at least one sulfonated dihalodiaryl sulfone (compound C), a process for its preparation and its use in the preparation of coatings, films, fibers, foams, membranes or molded articles.
    Type: Grant
    Filed: September 6, 2019
    Date of Patent: October 8, 2024
    Assignee: BASF SE
    Inventors: Martin Weber, Christian Maletzko, Rene Backes
  • Patent number: 12091503
    Abstract: A polyarylene ether comprising in polymerized form A) at least one tri- or higher functional compound and B) isosorbide. isomannide, isoidide or a mixture thereof, wherein the polyarylene ether is a polyarylene ether sulfone or a polyarylene ether ketone, ¢ process for its preparation and its use in the preparation of a coating, film, fiber, foam, membrane or molded article.
    Type: Grant
    Filed: September 6, 2019
    Date of Patent: September 17, 2024
    Assignee: BASF SE
    Inventors: Martin Weber, Feelly Ruether, Rene Backes, Christian Maletzko
  • Patent number: 12091485
    Abstract: A polyarylene ether copolymer comprising i) at least one block comprising in polymerized form A) isosorbide, isomannide, isoidide or a mixture thereof and B) at least one unit comprising at least one difunctional compound comprising at least one dichlorodiaryl sulfone, a dichlorodiaryl ketone or a mixture thereof and ii) at least one block comprising in polymerized form C) at least one polyalkylene oxide, a process for its preparation and its use in the preparation of coatings, films, fibers, foams, membranes or molded articles.
    Type: Grant
    Filed: September 6, 2019
    Date of Patent: September 17, 2024
    Assignee: BASF SE
    Inventors: Martin Weber, Christian Maletzko, Rene Backes
  • Publication number: 20240294756
    Abstract: The present invention relates to a thermoplastic molding composition comprising as components at least one non-sulfonated polyarylene ether sulfone polymer (P), at least one sulfonated polyarylene ether sulfone polymer (sP) and at least one fibrous and/or particulate filler and at least one thermotropic polymer. The present invention furthermore relates to a process for the manufacturing of a molded article using the thermoplastic molding composition and a molded article obtained by this process.
    Type: Application
    Filed: June 28, 2022
    Publication date: September 5, 2024
    Inventors: Martin WEBER, Joachim STRAUCH, Christian MALETZKO
  • Publication number: 20240294757
    Abstract: The present invention relates to a thermoplastic molding composition comprising as components at least one non-sulfonated polyarylene ether sulfone polymer (P), at least one sulfonated polyarylene ether sulfone polymer (SP) and at least one fibrous and/or particulate filler and at least one polyphenylene sulfide. The present invention furthermore relates to a process for the manufacturing of a molded article using the thermoplastic molding composition and a molded article obtained by this process.
    Type: Application
    Filed: June 28, 2022
    Publication date: September 5, 2024
    Inventors: Martin WEBER, Joachim STRAUCH, Christian MALETZKO
  • Publication number: 20240240020
    Abstract: The present invention relates to a thermoplastic molding composition comprising as components at least one non-sulfonated polyarylene ether sulfone polymer (P), at least one sulfonated polyarylene ether sulfone polymer (sP) and at least one fibrous and/or particulate filler. The present invention furthermore relates to a process for the manufacturing of a molded article using the thermoplastic molding composition and a molded article obtained by this process.
    Type: Application
    Filed: May 20, 2022
    Publication date: July 18, 2024
    Inventors: Martin WEBER, Joachim STRAUCH, Christian MALETZKO
  • Publication number: 20240082792
    Abstract: The present invention relates to a process for the separation of propylene from a gas mixture (GM) comprising propylene and propane by means of a membrane (M) comprising a polyarylene ether sulfone polymer (P) prepared by converting a reaction mixture (RG) comprising at least one aromatic dihalogen sulfone and at least one dihydroxy component comprising trimethylhydroquinone.
    Type: Application
    Filed: January 5, 2022
    Publication date: March 14, 2024
    Inventors: Canzeng LIANG, Martin WEBER, Wai YONG, Christian MALETZKO, Tai-Shung CHUNG
  • Publication number: 20230374221
    Abstract: A process for the manufacture of a sulfonated polyarylene(ether)sulfone comprising feeding of a solution (S1) comprising a sulfonated polyarylene(ether) sulfone and sulfuric acid into a tooth rim dispersion machine, wherein the solution (S1) is thereby contacted with a liquid (L1) comprising water, particles essentially consisting of a sulfonated polyarylene(ether)sulfone having a foam structure and uses of said particles.
    Type: Application
    Filed: October 8, 2021
    Publication date: November 23, 2023
    Inventors: Christian MALETZKO, Martin WEBER, Axel WILMS, Joachim STRAUCH, Sibylly BURKHART, Bernd TROTTE, Andreas BAUDER
  • Publication number: 20230356156
    Abstract: The present invention relates to a membrane (M) comprising an amorphous polymer (P) comprising repeat units of the formulas (RU1), (RU2) and (RU3). Moreover, the present invention relates to a process for the preparation of said membrane (M) and a filtration process, wherein a liquid permeates said membrane (M).
    Type: Application
    Filed: August 24, 2020
    Publication date: November 9, 2023
    Inventors: Martin WEBER, Christian MALETZKO, Florian HENNENBERGER, Axel WILMS
  • Publication number: 20230312832
    Abstract: A polyphenylene sulfone (PPSU) consisting essentially of benzophenone coupled phenylene sulfone segments A and B of formula (I) wherein segments A and B can be same or different and are of formula (II) wherein x is an integer of from 4.5 to 8.
    Type: Application
    Filed: August 24, 2020
    Publication date: October 5, 2023
    Inventors: Martin WEBER, Florian HENNENBERGER, Christian MALETZKO, Axel WILMS
  • Publication number: 20230090902
    Abstract: The present invention relates to a process for the preparation of a polyarylene ether sulfone polymer (P) by converting a reaction mixture (RG) which comprises, among others, at least one aromatic dihalogen sulfone and at least one dihydroxy component comprising at least 20 mol-% of trimethylhydroquinone based on the total amount of the at least one dihydroxy component. The present invention furthermore relates to the Ouse of a polyarylene ether sulfone polymer (P) obtainable by the inventive process in a membrane (M) and to a membrane (M) comprising the polyarylene ether sulfone polymer (P) obtainable by the inventive process, as well as to a method for the preparation of a membrane (M).
    Type: Application
    Filed: June 25, 2018
    Publication date: March 23, 2023
    Inventors: Martin WEBER, Kai-Uwe SCHOENING, Christian MALETZKO, Wai Fen YONG, Tai-Shung CHUNG, Ali NADERI
  • Publication number: 20220169793
    Abstract: The present invention relates to an amorphous polymer (P) comprising segments (S1) containing a sulfone group, segments (S2) containing a ketone group and segments (S3) containing a polyarylene group. Moreover, the present invention relates to a process for the preparation of said amorphous polymer (P), a composition comprising the amorphous polymer (P) and an article comprising the amorphous polymer (P).
    Type: Application
    Filed: March 10, 2020
    Publication date: June 2, 2022
    Inventors: Martin WEBER, Christian MALETZKO, Florian HENNENBERGER, Axel WILMS
  • Publication number: 20220098352
    Abstract: A polyarylene ether copolymer comprising i) at least one block comprising in polymerized form A) isosorbide, isomannide, isoidide or a mixture thereof and B) at least one unit comprising at least one difunctional compound comprising at least one dichlorodiaryl sulfone, a dichlorodiaryl ketone or a mixture thereof and ii) at least one block comprising in polymerized form C) at least one polyalkylene oxide, a process for its preparation and its use in the preparation of coatings, films, fibers, foams, membranes or molded articles.
    Type: Application
    Filed: September 6, 2019
    Publication date: March 31, 2022
    Applicant: BASF SE
    Inventors: Martin WEBER, Christian MALETZKO, Rene BACKES
  • Publication number: 20220056216
    Abstract: A polyarylene ether sulfone comprising in polymerized form A) isosorbide, isomannide, isoidide or a mixture thereof and B) at least one at least one nonsulfonated dihalodiaryl sulfone (compound B) and C) at least one sulfonated dihalodiaryl sulfone (compound C), a process for its preparation and its use in the preparation of coatings, films, fibers, foams, membranes or molded articles.
    Type: Application
    Filed: September 6, 2019
    Publication date: February 24, 2022
    Inventors: Martin WEBER, Christian MALETZKO, Rene BACKES
  • Publication number: 20220049096
    Abstract: A polyarylene ether sulfone contains endgroups of formula (I), A molding composition contains the polyarylene ether sulfone; and a fiber, film, or shaped article can be produced using the molding composition.
    Type: Application
    Filed: October 28, 2021
    Publication date: February 17, 2022
    Applicant: BASF SE
    Inventors: Martin WEBER, Helmut Reichelt, Stefan Schwiegk, Gad Kory, Christian Maletzko
  • Publication number: 20220033583
    Abstract: A polyarylene ether comprising in polymerized form A) at least one tri- or higher functional compound and B) isosorbide, isomannide, isoidide or a mixture thereof, wherein the polyarylene ether is a polyarylene ether sulfone or a polyarylene ether ketone, a process for its preparation and its use in the preparation of a coating, film, fiber, foam, membrane or molded article.
    Type: Application
    Filed: September 6, 2019
    Publication date: February 3, 2022
    Inventors: Martin WEBER, Feelly RUETHER, Rene BACKES, Christian MALETZKO