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: 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
  • Patent number: 11193020
    Abstract: A polyarylene ether sulfone comprising endgroups of formula (I), a process for its manufacture, a molding composition comprising the polyarylene ether sulfone, use of the molding composition and fiber, film or shaped article produced using the molding composition.
    Type: Grant
    Filed: January 18, 2018
    Date of Patent: December 7, 2021
    Assignee: BASF SE
    Inventors: Martin Weber, Helmut Reichelt, Stefan Schwiegk, Gad Kory, Christian Maletzko
  • Patent number: 10759908
    Abstract: Membrane comprising a block copolymer comprising polyarylene ether blocks and polyalkylene oxide blocks, wherein said polyalkylene oxide blocks comprise at least one polyethylene oxide segment and at least one segment of at least one polyalkylene oxide that is different from polyethylene oxide.
    Type: Grant
    Filed: July 19, 2018
    Date of Patent: September 1, 2020
    Assignee: BASF SE
    Inventors: Martin Weber, Thomas Weiss, Christian Maletzko, Nicole Janssen
  • Publication number: 20200190264
    Abstract: The present invention relates to a process for the preparation of a polyarylethersulfone-polyalkylene oxide block copolymer (PPC) by converting a reaction mixture (RG) which comprises, among others, at least one aromatic dihalogen sulfone, at least one dihydroxy component comprising trimethylhydroquinone and at least one polyalkylene oxide. The present invention furthermore relates to a polyarylethersulfone-polyalkylene oxide block copolymer (PPC) obtainable by the inventive process and to its use in a membrane (M) and to a membrane (M) comprising the polyarylethersulfone-polyalkylene oxide block copolymer (PPC). Furthermore, the present invention relates to a method for the preparation of a membrane (M).
    Type: Application
    Filed: July 12, 2018
    Publication date: June 18, 2020
    Applicant: BASF SE
    Inventors: Martin WEBER, Kai-Uwe SCHOENING, Christian MALETZKO
  • Publication number: 20200157285
    Abstract: The present invention relates to a process for the preparation of a sulfonated polyarylene ether sulfone polymer (sP) by converting a reaction mixture (RG) which comprises, among others, at least one non-sulfonated aromatic dihalogen sulfone, at least one sulfonated aromatic dihalogen sulfone and at least one aromatic dihydroxy component comprising trimethylhydroquinone. The present invention furthermore relates to a sulfonated polyarylene ether sulfone polymer (sP) obtainable by the inventive process and to its use in a membrane (M). Furthermore, the present invention relates to a membrane (M) comprising this sulfonated polyarylene ether sulfone polymer (sP) and to a method for the preparation of the membrane (M).
    Type: Application
    Filed: July 12, 2018
    Publication date: May 21, 2020
    Inventors: Martin WEBER, Christian MALETZKO, Kai-Uwe SCHOENING
  • Patent number: 10603640
    Abstract: The present invention relates to a method of forming a polyarylene ether sulfone polymer by converting a reaction mixture (RG) comprising a dihalogen component (A1), a dihydroxy component (B1) and potassium carbonate (C1) having a volume-average particle size of <25 ?m. The present invention further relates to the polyarylene ether sulfone polymers obtainable by said method, to products obtainable from said polyarylene ether sulfone polymer and to membranes formed from said polyarylene ether sulfone polymer.
    Type: Grant
    Filed: May 3, 2018
    Date of Patent: March 31, 2020
    Assignee: BASF SE
    Inventors: Martin Weber, Christian Maletzko, Joerg Erbes, Tobias Kortekamp, Bastiaan Bram Pieter Staal, Thomas Heil
  • Patent number: 10569232
    Abstract: Copolymer C comprising polyarylene ether blocks A and polyalkylene oxide blocks PAO, wherein said polyarylene ether blocks A are blocks of at least one partially sulfonated polyarylene ether.
    Type: Grant
    Filed: October 27, 2015
    Date of Patent: February 25, 2020
    Assignee: BASF SE
    Inventors: Martin Weber, Christian Maletzko, Bastiaan Bram Pieter Staal
  • Publication number: 20200010680
    Abstract: A polyarylene ether sulfone comprising endgroups of formula (I), a process for its manufacture, a molding composition comprising the polyarylene ether sulfone, use of the molding composition and fiber, film or shaped article produced using the molding composition.
    Type: Application
    Filed: January 18, 2018
    Publication date: January 9, 2020
    Applicant: BASF SE
    Inventors: Martin WEBER, Helmut REICHELT, Stefan SCHWIEGK, Gad KORY, Christian MALETZKO
  • Patent number: 10265663
    Abstract: The present invention relates to a method of forming a polyarylene ether sulfone polymer by converting a reaction mixture (RG) comprising a dihalogen component (A1), a dihydroxy component (B1) and potassium carbonate (C1) having a volume-average particle size of <25 ?m. The present invention further relates to the polyarylene ether sulfone polymers obtainable by said method, to products obtainable from said polyarylene ether sulfone polymer and to membranes formed from said polyarylene ether sulfone polymer.
    Type: Grant
    Filed: September 4, 2014
    Date of Patent: April 23, 2019
    Assignee: BASF SE
    Inventors: Martin Weber, Christian Maletzko, Joerg Erbes, Tobias Kortekamp, Bastiaan Bram Pieter Staal, Thomas Heil
  • Publication number: 20190077919
    Abstract: The present invention relates to a method of forming a sulfonated aromatic polymer, to the sulfonated aromatic polymer thus formed and to the method of using the sulfonated aromatic polymer in the manufacture of membranes.
    Type: Application
    Filed: March 7, 2017
    Publication date: March 14, 2019
    Inventors: Christian MALETZKO, Axel WILMS, Tobias HOEFENER
  • Patent number: 10184040
    Abstract: The invention relates to a method for preparing polyarylethersulfone-polyalkylene oxide block copolymers (PPC) comprising the polycondensation of a reaction mixture (RG) comprising the components: (A1) at least one aromatic dihalogen compound, (B1) at least one aromatic dihydroxyl compound, (B2) at least one polyalkylene oxide having at least two hydroxyl groups, (C) at least one aprotic polar solvent and (D) at least one metal carbonate, where the reaction mixture (RG) does not comprise any substance which forms an azeotrope with water.
    Type: Grant
    Filed: July 26, 2017
    Date of Patent: January 22, 2019
    Assignee: BASF SE
    Inventors: Martin Weber, Christian Maletzko, Thomas Weiss, Joerg Erbes, Bastiaan Bram Pieter Staal
  • Patent number: 10144807
    Abstract: Block copolymer comprising polyarylene ether blocks and polyalkylene oxide blocks, wherein said block copolymer comprises at least two polyalkylene oxide blocks that are endcapped with different endcapping groups.
    Type: Grant
    Filed: April 30, 2014
    Date of Patent: December 4, 2018
    Assignee: BASF SE
    Inventors: Martin Weber, Thomas Weiss, Christian Maletzko, Bastiaan Bram Pieter Staal, Klaus Muehlbach, Joerg Erbes
  • Publication number: 20180318776
    Abstract: Membrane comprising a block copolymer comprising polyarylene ether blocks and polyalkylene oxide blocks, wherein said polyalkylene oxide blocks comprise at least one polyethylene oxide segment and at least one segment of at least one polyalkylene oxide that is different from polyethylene oxide
    Type: Application
    Filed: July 19, 2018
    Publication date: November 8, 2018
    Applicant: BASF SE
    Inventors: Martin Weber, Thomas Weiss, Christian Maletzko, Nicole Janssen
  • Publication number: 20180250641
    Abstract: The present invention relates to a method of forming a polyarylene ether sulfone polymer by converting a reaction mixture (RG) comprising a dihalogen component (A1), a dihydroxy component (B1) and potassium carbonate (C1) having a volume-average particle size of <25 ?m. The present invention further relates to the polyarylene ether sulfone polymers obtainable by said method, to products obtainable from said polyarylene ether sulfone polymer and to membranes formed from said polyarylene ether sulfone polymer.
    Type: Application
    Filed: May 3, 2018
    Publication date: September 6, 2018
    Applicant: BASF SE
    Inventors: Martin WEBER, Christian Maletzko, Joerg Erbes, Tobias Kortekamp, Bastiaan Bram Pieter Staal, Thomas Heil
  • Patent number: 10058823
    Abstract: Membrane comprising a block copolymer comprising polyarylene ether blocks and polyalkylene oxide blocks, wherein said polyalkylene oxide blocks comprise at least one polyethylene oxide segment and at least one segment of at least one polyalkylene oxide that is different from polyethylene oxide.
    Type: Grant
    Filed: May 30, 2014
    Date of Patent: August 28, 2018
    Assignee: BASF SE
    Inventors: Martin Weber, Thomas Weiss, Christian Maletzko, Nicole Janssen
  • Publication number: 20180118934
    Abstract: The present invention relates to a process for producing thermoset moldings, to the thermoset moldings themselves, to the use of the thermoset moldings as components and to the use of a thermoplastic polymer having a porosity in the range from 10% to 90% for increasing the toughness of a thermoset.
    Type: Application
    Filed: April 13, 2016
    Publication date: May 3, 2018
    Inventors: MARTIN WEBER, Christian MALETZKO, Florian HENNENBERGER, Axel WILMS
  • Publication number: 20170333849
    Abstract: Copolymer C comprising polyarylene ether blocks A and polyalkylene oxide blocks PAO, wherein said polyarylene ether blocks A are blocks of at least one partially sulfonated polyarylene ether.
    Type: Application
    Filed: October 27, 2015
    Publication date: November 23, 2017
    Applicant: BASF SE
    Inventors: Martin WEBER, Christian MALETZKO, Bastiaan Bram Pieter STAAL