Patents by Inventor Bastiaan Bram Pieter Staal
Bastiaan Bram Pieter Staal 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).
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Patent number: 10603640Abstract: 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: GrantFiled: May 3, 2018Date of Patent: March 31, 2020Assignee: BASF SEInventors: Martin Weber, Christian Maletzko, Joerg Erbes, Tobias Kortekamp, Bastiaan Bram Pieter Staal, Thomas Heil
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Patent number: 10569232Abstract: 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: GrantFiled: October 27, 2015Date of Patent: February 25, 2020Assignee: BASF SEInventors: Martin Weber, Christian Maletzko, Bastiaan Bram Pieter Staal
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Patent number: 10265663Abstract: 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: GrantFiled: September 4, 2014Date of Patent: April 23, 2019Assignee: BASF SEInventors: Martin Weber, Christian Maletzko, Joerg Erbes, Tobias Kortekamp, Bastiaan Bram Pieter Staal, Thomas Heil
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Patent number: 10184040Abstract: 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: GrantFiled: July 26, 2017Date of Patent: January 22, 2019Assignee: BASF SEInventors: Martin Weber, Christian Maletzko, Thomas Weiss, Joerg Erbes, Bastiaan Bram Pieter Staal
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Publication number: 20180353875Abstract: A process for purification of polyether block copolymers comprising polyoxyethylene and polyoxypropylene moieties using sequential multi-column size exclusion chromatography apparatus operated as a counter current moving bed wherein a process cycle comprises the steps of.Type: ApplicationFiled: December 12, 2016Publication date: December 13, 2018Inventors: Pedro Sa Gomes, Bastiaan Bram Pieter Staal, Felicitas Guth, Nigel A. Langley
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Patent number: 10144807Abstract: 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: GrantFiled: April 30, 2014Date of Patent: December 4, 2018Assignee: BASF SEInventors: Martin Weber, Thomas Weiss, Christian Maletzko, Bastiaan Bram Pieter Staal, Klaus Muehlbach, Joerg Erbes
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Publication number: 20180250641Abstract: 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: ApplicationFiled: May 3, 2018Publication date: September 6, 2018Applicant: BASF SEInventors: Martin WEBER, Christian Maletzko, Joerg Erbes, Tobias Kortekamp, Bastiaan Bram Pieter Staal, Thomas Heil
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Publication number: 20170333849Abstract: 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: ApplicationFiled: October 27, 2015Publication date: November 23, 2017Applicant: BASF SEInventors: Martin WEBER, Christian MALETZKO, Bastiaan Bram Pieter STAAL
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Publication number: 20170321031Abstract: 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: ApplicationFiled: July 26, 2017Publication date: November 9, 2017Applicant: BASF SEInventors: Martin WEBER, Christian MALETZKO, Thomas WEISS, Joerg ERBES, Bastiaan Bram Pieter STAAL
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Patent number: 9777119Abstract: The present invention relates to a process for the production of a polyaryl ether sulfone polymer (P), comprising the following steps: (I) provision of a solution (PL) which comprises the polyaryl ether sulfone polymer (P) and comprises an aprotic polar solvent (L), (II) separation of the solution (PL) into droplets, (III) transfer of the droplets into a precipitation bath (F) which comprises water, with the result that the polyaryl ether sulfone polymer (P) is obtained in the form of particles, and (IV) isolation of the polyaryl ether sulfone polymer (P) where the temperature of the solution (PL) in step (II) is in the range from 50 to <80° C.Type: GrantFiled: June 26, 2014Date of Patent: October 3, 2017Assignee: BASF SEInventors: Martin Weber, Christian Maletzko, Bastiaan Bram Pieter Staal, Joerg Erbes
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Patent number: 9758634Abstract: 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: GrantFiled: April 30, 2014Date of Patent: September 12, 2017Assignee: BASF SEInventors: Martin Weber, Christian Maletzko, Thomas Weiss, Joerg Erbes, Bastiaan Bram Pieter Staal
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Publication number: 20160214068Abstract: 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: ApplicationFiled: September 4, 2014Publication date: July 28, 2016Applicant: BASF SEInventors: Martin WEBER, Christian MALETZKO, Joerg ERBES, Tobias KORTEKAMP, Bastiaan Bram, Pieter STAAL, Thomas HEIL
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Publication number: 20160152776Abstract: The present invention relates to a process for the production of a polyaryl ether sulfone polymer (P), comprising the following steps: (I) provision of a solution (PL) which comprises the polyaryl ether sulfone polymer (P) and comprises an aprotic polar solvent (L), (II) separation of the solution (PL) into droplets, (III) transfer of the droplets into a precipitation bath (F) which comprises water, with the result that the polyaryl ether sulfone polymer (P) is obtained in the form of particles, and (IV) isolation of the polyaryl ether sulfone polymer (P) where the temperature of the solution (PL) in step (II) is in the range from 50 to <80° C.Type: ApplicationFiled: June 26, 2014Publication date: June 2, 2016Applicant: BASF SEInventors: Martin WEBER, Christian MALETZKO, Bastiaan Bram Pieter STAAL, Joerg ERBES
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Publication number: 20160108178Abstract: 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: ApplicationFiled: April 30, 2014Publication date: April 21, 2016Applicant: BASF SEInventors: Martin WEBER, Thomas WEISS, Christian MALETZKO, Bastiaan Bram Pieter STAAL, Klaus MUEHLBACH, Joerg ERBES
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Patent number: 9249240Abstract: Graft polymers whose grafting base is selected from the group consisting of polymers having vinylamine units, polyamines, polyamidoamines and polymers of ethylenically unsaturated acids and which comprise exclusively oligoalkylenimine side chains as side chains, process for the preparation of graft polymers having oligoalkylenimine side chains, at least one oligoalkylenimine which comprises a terminal aziridine group being grafted onto one of said grafting bases, and the use of the graft polymers thus obtainable as process chemicals in the production of paper, as antimicrobial coating materials, as builders in detergents and for the treatment of metal surfaces.Type: GrantFiled: December 16, 2008Date of Patent: February 2, 2016Assignee: BASF SEInventors: Robert Feuerhake, Daniel Schoenfelder, Hans-Joachim Haehnle, Bernd Bruchmann, Paola Uribe Arocha, Bastiaan Bram Pieter Staal, Ralph Baumgaertner
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Patent number: 9127093Abstract: Graft polymers whose grafting base is selected from the group consisting of polymers having vinylamine units, polyamines, polyamidoamines and polymers of ethylenically unsaturated acids and which comprise exclusively oligoalkylenimine side chains as side chains, process for the preparation of graft polymers having oligoalkylenimine side chains, at least one oligoalkylenimine which comprises a terminal aziridine group being grafted onto one of said grafting bases, and the use of the graft polymers thus obtainable as process chemicals in the production of paper, as antimicrobial coating materials, as builders in detergents and for the treatment of metal surfaces.Type: GrantFiled: July 1, 2014Date of Patent: September 8, 2015Assignee: BASF SEInventors: Robert Feuerhake, Daniel Schoenfelder, Hans-Joachim Haehnle, Bernd Bruchmann, Paola Uribe Arocha, Bastiaan Bram Pieter Staal, Ralph Baumgaertner
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Patent number: 8952109Abstract: The present invention relates to a process for preparing a block copolymer comprising poly-arylene ether and polyalkylene oxide blocks, comprising the reaction of an HO-terminated poly-arylene ether with a monomeric alkylene oxide. The present invention also relates to a block copolymer obtainable from this process. The invention additionally relates to a triblock polymer with polyalkylene oxide-polyaryl ether-polyalkylene oxide blocks.Type: GrantFiled: August 3, 2012Date of Patent: February 10, 2015Assignee: BASF SEInventors: Martin Weber, Thomas Weiβ, Christian Maletzko, Bastiaan Bram Pieter Staal, Claudia Spang
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Publication number: 20140316072Abstract: Graft polymers whose grafting base is selected from the group consisting of polymers having vinylamine units, polyamines, polyamidoamines and polymers of ethylenically unsaturated acids and which comprise exclusively oligoalkylenimine side chains as side chains, process for the preparation of graft polymers having oligoalkylenimine side chains, at least one oligoalkylenimine which comprises a terminal aziridine group being grafted onto one of said grafting bases, and the use of the graft polymers thus obtainable as process chemicals in the production of paper, as antimicrobial coating materials, as builders in detergents and for the treatment of metal surfaces.Type: ApplicationFiled: July 1, 2014Publication date: October 23, 2014Applicant: BASF SEInventors: Robert FEUERHAKE, Daniel SCHOENFELDER, Hans-Joachim HAEHNLE, Bernd BRUCHMANN, Paola URIBE AROCHA, Bastiaan Bram Pieter STAAL, Ralph BAUMGAERTNER
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Publication number: 20130035457Abstract: The present invention relates to a process for preparing a block copolymer comprising poly-arylene ether and polyalkylene oxide blocks, comprising the reaction of an HO-terminated poly-arylene ether with a monomeric alkylene oxide. The present invention also relates to a block copolymer obtainable from this process. The invention additionally relates to a triblock polymer with polyalkylene oxide-polyaryl ether-polyalkylene oxide blocks.Type: ApplicationFiled: August 3, 2012Publication date: February 7, 2013Applicant: BASF SEInventors: Martin Weber, Thomas Weiß, Christian Maletzko, Bastiaan Bram Pieter Staal, Claudia Spang
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Aminoalkyl vinyl ethers comprising ethylenimine units, processes for their preparation and their use
Patent number: 8283496Abstract: Aminoalkyl vinyl ethers comprising alkylenimine units and of the formula H2C?CH—O—X—NH—[Al—]n—H??(I), in which [Al—]n is a linear or branched oligoalkylenimine chain having n alkylenimine units, n is a number of at least 1 and X is a straight-chain or branched C2- to C6-alkylene group, and salts of the monomers I with mineral acids or organic acids and quaternization products of the monomers I with alkyl halides or dialkyl sulfates, processes for the preparation of the compounds of the formula I by addition reaction of alkylenimines with amino-C2- to C6-alkyl vinyl ethers and use of the aminoalkyl vinyl ethers comprising alkylenimine units and of the formula I as monomers for the preparation of polymers for use in the paper industry, as antimicrobial coating materials, in detergents and for the treatment of metal surfaces.Type: GrantFiled: October 1, 2008Date of Patent: October 9, 2012Assignee: BASF SEInventors: Robert Feuerhake, Daniel Schoenfelder, Hans-Joachim Haehnle, Bernd Bruchmann, Paola Uribe Arocha, Alexander Kraus, Christian Huebsch, Bastiaan Bram Pieter Staal, Ralph Baumgaertner