Patents by Inventor Johannes Hendrikus DE BONT
Johannes Hendrikus DE BONT 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: 11965050Abstract: The present invention further relates to a waterborne dispersion comprising (A) polymer P; (B) amphiphilic block copolymer obtained with a controlled radical polymerization process and comprising at least blocks [A] and [B], whereby block [A] comprises ethylenically unsaturated monomer(s) bearing water-soluble and/or water-dispersible functional groups (monomer(s) (i)), and block [B] comprises ethylenically unsaturated monomer(s) different from monomer(s) (i) (monomer(s) (ii)); and (C) crosslinker, characterized in that the polymer P is crosslinkable and comprises ethylenically unsaturated monomer(s) bearing crosslinkable functional groups different from monomer(s) (i) and monomer(s) (ii) (monomer(s) (iii)) in an amount of from 1 to 10 wt. %, based on the total weight of monomers used to prepare the polymer P, the amount of lock copolymer is higher than 1 wt. % and lower than 30 wt.Type: GrantFiled: December 18, 2018Date of Patent: April 23, 2024Assignee: Covestro (Netherlands) B.V.Inventors: Michael Arnoldus Jacobus Schellekens, Johannes Hendrikus De Bont, John Barbosa, Jon Andrew Cronin, Charles Shearer, Matthew Stewart Gebhard, Gerardus Cornelis Overbeek
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Patent number: 11459419Abstract: The present invention relates to a waterborne dispersion comprising (A) amphiphilic block copolymer obtained with a controlled radical polymerization process and comprising at least blocks [A] and [B], whereby block [A] comprises ethylenically unsaturated monomer(s) bearing water-soluble and/or water-dispersible functional groups (monomer(s) (i)), and block [B] comprises ethylenically unsaturated monomer(s) different from monomer(s) (i) (monomer(s) (ii)); and (B) polymer P comprising ethylenically unsaturated monomer(s) different from (i) (monomer(s) (ii)), characterized in that the amount of block copolymer is higher than 1 and lower than 30 wt. %, based on the total weight of monomers used to prepare the block copolymer and polymer P; the acid value of the composition consisting of block copolymer and polymer P is higher than 1 and at most 35 mg KOH per g of the block copolymer-polymer P composition; the block copolymer has a calculated glass transition temperature of higher than 10° C.Type: GrantFiled: December 18, 2018Date of Patent: October 4, 2022Assignee: COVESTRO (NETHERLANDS) B.V.Inventors: Michael Arnoldus Jacobus Schellekens, Johannes Hendrikus De Bont, John Barbosa, Jon Andrew Cronin, Charles Shearer, Matthew Stewart Gebhard, Gerardus Cornelis Overbeek
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Publication number: 20220098353Abstract: The present invention relates to a process for preparing a waterborne dispersion comprising amphiphilic block copolymer comprising at least blocks [A] and [B], and polymer P comprising ethylenically unsaturated monomer(s) different from monomer(s) (i) (monomer(s) (iii)), whereby the amount of block copolymer is higher than 0.5 and lower than 50 wt.Type: ApplicationFiled: January 29, 2020Publication date: March 31, 2022Inventors: Michael Arnoldus Jacobus SCHELLEKENS, Johannes Hendrikus DE BONT, Gerardus Cornelis OVERBEEK
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Publication number: 20210079209Abstract: The present invention relates to a waterborne dispersion comprising (A) amphiphilic block copolymer obtained with a controlled radical polymerization process and comprising at least blocks [A] and [B], whereby block [A] comprises ethylenically unsaturated monomer(s) bearing water-soluble and/or water-dispersible functional groups (monomer(s) (i)), and block [B] comprises ethylenically unsaturated monomer(s) different from monomer(s) (i) (monomer(s) (ii)); and (B) polymer P comprising ethylenically unsaturated monomer(s) different from (i) (monomer(s) (ii)), characterized in that the amount of block copolymer is higher than 1 and lower than 30 wt. %, based on the total weight of monomers used to prepare the block copolymer and polymer P; the acid value of the composition consisting of block copolymer and polymer P is higher than 1 and at most 35 mg KOH per g of the block copolymer-polymer P composition; the block copolymer has a calculated glass transition temperature of higher than 10° C.Type: ApplicationFiled: December 18, 2018Publication date: March 18, 2021Inventors: Michael Arnoldus Jacobus SCHELLEKENS, Johannes Hendrikus DE BONT, John BARBOSA, Jon Andrew CRONIN, Charles SHEARER, Matthew Stewart GEBHARD, Gerardus Cornelis OVERBEEK
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Publication number: 20210070977Abstract: The present invention further relates to a waterborne dispersion comprising (A) polymer P; (B) amphiphilic block copolymer obtained with a controlled radical polymerization process and comprising at least blocks [A] and [B], whereby block [A] comprises ethylenically unsaturated monomer(s) bearing water-soluble and/or water-dispersible functional groups (monomer(s) (i)), and block [B] comprises ethylenically unsaturated monomer(s) different from monomer(s) (i) (monomer(s) (ii)); and (C) crosslinker, characterized in that the polymer P is crosslinkable and comprises ethylenically unsaturated monomer(s) bearing crosslinkable functional groups different from monomer(s) (i) and monomer(s) (ii) (monomer(s) (iii)) in an amount of from 1 to 10 wt. %, based on the total weight of monomers used to prepare the polymer P, the amount of lock copolymer is higher than 1 wt. % and lower than 30 wt.Type: ApplicationFiled: December 18, 2018Publication date: March 11, 2021Inventors: Michael Arnoldus Jacobus SCHELLEKENS, Johannes Hendrikus DE BONT, John BARBOSA, Jon Andrew CRONIN, Charles SHEARER, Matthew Stewart GEBHARD, Gerardus Cornelis OVERBEEK
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Publication number: 20190367644Abstract: The present invention relates to an aqueous emulsion comprising at least 30 wt. % of vinyl copolymer(s) (A), said vinyl copolymer(s) (A) containing the following monomers: (I) isobornyl methacrylate and 2-octyl acrylate in a summed amount of at least 30 wt. %, in a weight ratio of isobornyl methacrylate to 2-octyl acrylate from 5:95 to 95:5; (II) no more than 70 wt. % of at least one ethylenically unsaturated monomer other than 2-octyl acrylate and isobornyl methacrylate, whereby the summed amount of (I) and (II) is 100 wt. % and whereby the amount of vinyl copolymer(s) (A) is given relative to the total weight amount of binder present in the emulsion.Type: ApplicationFiled: July 3, 2017Publication date: December 5, 2019Inventors: Tijs NABUURS, Maud KASTELIJN, Johannes Hendrikus DE BONT, Gerardus Cornelis OVERBEEK, Saskia Carolien VAN DER SLOT, Ronald TENNEBROEK, Addy MOLHOEK
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Patent number: 10457763Abstract: The present invention relates to an aqueous polymer emulsion comprising at least 30 wt. % of a vinyl copolymer (A), said vinyl copolymer comprising: (I) from 10 to 90 wt. % of 2-octyl acrylate monomer; (II) from 10 to 90 wt. % of at least one itaconate ester monomer according to formula (1) in which A and B may be different or the same and A and B are independently an alkyl group or an aryl group; and (III) from 0 to 80 wt. % of ethylenically unsaturated monomer other than (I) and (II); whereby the summed amount of (I), (II) and (III) is 100 wt. % and whereby the amount of vinyl copolymer (A) is given relative to the total weight amount of the polymers present in the emulsion.Type: GrantFiled: February 12, 2016Date of Patent: October 29, 2019Assignee: DSM IP ASSETS B.V.Inventors: Tijs Nabuurs, Jeffrey Stubbs, Johannes Hendrikus De Bont, Gerardus Cornelis Overbeek
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Publication number: 20180030186Abstract: The present invention relates to an aqueous polymer emulsion comprising at least 30 wt. % of a vinyl copolymer (A), said vinyl copolymer comprising: (I) from 10 to 90 wt. % of 2-octyl acrylate monomer; (II) from 10 to 90 wt. % of at least one itaconate ester monomer according to formula (1) in which A and B may be different or the same and A and B are independently an alkyl group or an aryl group; and (III) from 0 to 80 wt. % of ethylenically unsaturated monomer other than (I) and (II); whereby the summed amount of (I), (II) and (III) is 100 wt. % and whereby the amount of vinyl copolymer (A) is given relative to the total weight amount of the polymers present in the emulsion.Type: ApplicationFiled: February 12, 2016Publication date: February 1, 2018Inventors: Tijs NABUURS, Jeffrey STUBBS, Johannes Hendrikus DE BONT, Gerardus Cornelis OVERBEEK