Patents by Inventor Michael Arnoldus Jacobus Schellekens

Michael Arnoldus Jacobus Schellekens 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).

  • Patent number: 11459419
    Abstract: 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: Grant
    Filed: December 18, 2018
    Date of Patent: October 4, 2022
    Assignee: 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
  • Publication number: 20220098353
    Abstract: 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: Application
    Filed: January 29, 2020
    Publication date: March 31, 2022
    Inventors: Michael Arnoldus Jacobus SCHELLEKENS, Johannes Hendrikus DE BONT, Gerardus Cornelis OVERBEEK
  • Publication number: 20210079209
    Abstract: 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: Application
    Filed: December 18, 2018
    Publication date: March 18, 2021
    Inventors: Michael Arnoldus Jacobus SCHELLEKENS, Johannes Hendrikus DE BONT, John BARBOSA, Jon Andrew CRONIN, Charles SHEARER, Matthew Stewart GEBHARD, Gerardus Cornelis OVERBEEK
  • Publication number: 20210070977
    Abstract: 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: Application
    Filed: December 18, 2018
    Publication date: March 11, 2021
    Inventors: Michael Arnoldus Jacobus SCHELLEKENS, Johannes Hendrikus DE BONT, John BARBOSA, Jon Andrew CRONIN, Charles SHEARER, Matthew Stewart GEBHARD, Gerardus Cornelis OVERBEEK
  • Patent number: 9567476
    Abstract: There is disclosed a process for obtaining a water-borne crosslinkable composition comprising a block copolymer comprising at least blocks [A]x[B]y (where x is an integer from 3 to 80 (inc.), where y is an integer ?10 and where y>x) and a polymer P, the block copolymer-polymer having an acid value ?150 mg KOH per g of block copolymer-polymer, where at least block [A] and [B] is obtained by a controlled radical polymerisation of at least one ethylenically unsaturated monomer via a reversible addition-fragmentation chain transfer (RAFT) mechanism in solution in the presence of a control agent and a source of free radicals; and where polymer P is obtained in the presence of blocks [A]x[B]y by an emulsion polymerisation process.
    Type: Grant
    Filed: February 4, 2013
    Date of Patent: February 14, 2017
    Assignee: DSM IP ASSETS B.V.
    Inventors: Michael Arnoldus Jacobus Schellekens, Tijs Nabuurs, John Geurts, Gerardus Cornslis Overbeek
  • Patent number: 9340699
    Abstract: An aqueous emulsion comprising at least a covalently bound vinyl oligomer and vinyl polymer, wherein said vinyl oligomer comprises 5 to 85 mol % of vinyl monomers bearing quaternary ammonium ion functional groups or quaternisable amine functional groups and is obtained by a controlled radical polymerisation of at least one vinyl monomer via a reversible addition-fragmentation chain transfer mechanism in solution in the presence of a control agent and a source of free radicals; wherein said vinyl polymer is obtained by emulsion polymerisation of vinyl monomers in the presence of the vinyl oligomer; wherein the weight % ratio of vinyl oligomer to vinyl polymer is in the range of from 0.5:99.5 to 65:35.
    Type: Grant
    Filed: January 13, 2014
    Date of Patent: May 17, 2016
    Assignee: DSM IP ASSETS B.V.
    Inventors: Michael Arnoldus Jacobus Schellekens, John Geurts, Tijs Nabuurs, Gerardus Cornelis Overbeek
  • Patent number: 9255211
    Abstract: An aqueous coating composition (which optionally can coat plastic substrates) the composition comprising a block copolymer and a polymer P; where the block copolymer comprises at least blocks [A]x[B]y; where at least block [A] is obtained by a controlled radical polymerization of at least one ethylenically unsaturated monomer via a reversible addition-fragmentation chain transfer (RAFT) mechanism (optionally in solution in the presence of a control agent and a source of free radicals); and wherein block [A] comprises 20 to 100 mol % of ethylenically unsaturated monomer units bearing water-dispersing functional groups; wherein block [B] comprises 20 to 100 mol % of ethylenically unsaturated monomer units bearing plastic adhesion promoting functional groups; and wherein polymer P is prepared in the presence of blocks [A]x[B]y. The compositions may be used to coat plastic substrates, foam; surfaces having low surface energy, hydrophobic substrates and/or polyolefins.
    Type: Grant
    Filed: October 4, 2013
    Date of Patent: February 9, 2016
    Assignee: DSM IP ASSETS B.V.
    Inventors: Michael Arnoldus Jacobus Schellekens, Gerardus Cornelis Overbeek, Tijs Nabuurs, John Geurts
  • Patent number: 9228096
    Abstract: A radiation curable composition comprising 15 to 85 wt % of at least one solvent comprising ?20 wt % of water; 5 to 50 wt % of at least one radiation curable material having a Mn in the range of from 50 to 10,000 g/mol; and 10 to 70 wt % of at least one polyurethane having a Mw in the range of from 4,000 to 70,000 g/mol, the polyurethane having 0 to 5 wt % of isocyanate-reactive component(s) bearing ionic or potentially ionic water-dispersing groups and a free isocyanate group content ?0.5 wt %.
    Type: Grant
    Filed: January 21, 2014
    Date of Patent: January 5, 2016
    Assignee: DSM IP ASSETS B.V.
    Inventors: Gerardus Cornelis Overbeek, Alfred Jean Paul Bückmann, Michael Arnoldus Jacobus Schellekens, Jacobus Willem Griffioen
  • Patent number: 9096756
    Abstract: A process for obtaining an aqueous emulsion comprising a block copolymer by the solution polymerisation of vinyl monomers to obtain block [B] in the presence of a) a radical precursor; and b) an iodine atom containing block [A]; where block [A] and [B] together comprise 0 to 2 wt % of methacrylic acid; where block [A] and block [B] together comprise ?2.5 wt % of vinyl monomers bearing ionic or potentially ionic water-dispersing groups not including methacrylic acid; and performing a post polymerisation reaction on the block copolymer emulsion obtained in step II; and wherein said aqueous emulsion has a free vinyl monomer level <1000 ppm when having a solids content of ?20 wt %.
    Type: Grant
    Filed: December 24, 2013
    Date of Patent: August 4, 2015
    Assignee: DSM IP ASSETS B.V.
    Inventors: Tijs Nabuurs, Gerardus Cornelis Overbeek, Michael Arnoldus Jacobus Schellekens, Danny Visser, Frank Vaes
  • Publication number: 20150024227
    Abstract: There is described a block copolymer comprising at least a block [A] and a block [B], where: (a) (i) block [A] comprises from 5 to 95 mole-% per mole-% of the block [A] of itaconate functional moieties; (b) (i) block [B] is substantially free of itaconate functional moieties. Preferably the block copolymer is made by a controlled radical polymerisation (CRP) such as reversible addition-fragmentation chain transfer (RAFT).
    Type: Application
    Filed: February 4, 2013
    Publication date: January 22, 2015
    Inventors: Tijs Nabuurs, Michael Arnoldus Jacobus Schellekens, Gerardus Cornelis Overbeek
  • Publication number: 20140170428
    Abstract: An aqueous, metal, coating composition (and process for obtaining it) comprising a block copolymer and a polymer P; wherein the block copolymer comprises at least blocks [A]x[B]y, where at least block [A] is obtained by a controlled radical polymerisation of at least one ethylenically unsaturated monomer via a reversible addition-fragmentation chain transfer (RAFT) mechanism in solution in the presence of a control agent and a source of free radicals; and where (a) block [A] comprises (i) 0 to 80 mol % of metal adhering ethylenically unsaturated monomers; (ii) 0 to 100 mol % of water dispersible ethylenically unsaturated monomers; (iii) 0 to 70 mol % of C1 to C30 hydrocarbo (meth)acrylate and/or styrenic monomers; (iv) 0 to 35 mol % of ethylenically unsaturated monomer different from i), ii)+iii); where the amount of at least one of i), ii), iii)+iv) is >0 mol %; block [A] has a Hansch parameter <1.
    Type: Application
    Filed: February 24, 2014
    Publication date: June 19, 2014
    Applicant: DSM IP ASSETS B.V.
    Inventors: Michael Arnoldus Jacobus SCHELLEKENS, Tijs NABUURS, John GEURTS, Gerardus Cornelis OVERBEEK
  • Publication number: 20140134337
    Abstract: A radiation curable composition comprising 15 to 85 wt % of at least one solvent comprising ?20 wt % of water; 5 to 50 wt % of at least one radiation curable material having a Mn in the range of from 50 to 10,000 g/mol; and 10 to 70 wt % of at least one polyurethane having a Mw in the range of from 4,000 to 70,000 g/mol, the polyurethane having 0 to 5 wt % of isocyanate-reactive component(s) bearing ionic or potentially ionic water-dispersing groups and a free isocyanate group content ?0.5 wt %.
    Type: Application
    Filed: January 21, 2014
    Publication date: May 15, 2014
    Applicant: DSM IP ASSETS B.V.
    Inventors: Gerardus Cornelis OVERBEEK, Alfred Jean Paul BÜCKMANN, Michael Arnoldus Jacobus SCHELLEKENS, Jacobus Willem GRIFFIOEN
  • Publication number: 20140127153
    Abstract: An aqueous emulsion comprising at least a covalently bound vinyl oligomer and vinyl polymer, wherein said vinyl oligomer comprises 5 to 85 mol % of vinyl monomers bearing quaternary ammonium ion functional groups or quaternisable amine functional groups and is obtained by a controlled radical polymerisation of at least one vinyl monomer via a reversible addition-fragmentation chain transfer mechanism in solution in the presence of a control agent and a source of free radicals; wherein said vinyl polymer is obtained by emulsion polymerisation of vinyl monomers in the presence of the vinyl oligomer; wherein the weight % ratio of vinyl oligomer to vinyl polymer is in the range of from 0.5:99.5 to 65:35.
    Type: Application
    Filed: January 13, 2014
    Publication date: May 8, 2014
    Applicant: DSM IP ASSETS B.V.
    Inventors: Michael Arnoldus Jacobus SCHELLEKENS, John GEURTS, Tijs NABUURS, Gerardus Cornelis OVERBEEK
  • Publication number: 20140107290
    Abstract: A process for obtaining an aqueous emulsion comprising a block copolymer by the solution polymerisation of vinyl monomers to obtain block [B] in the presence of a) a radical precursor; and b) an iodine atom containing block [A]; where block [A] and [B] together comprise 0 to 2 wt % of methacrylic acid; where block [A] and block [B] together comprise ?2.5 wt % of vinyl monomers bearing ionic or potentially ionic water-dispersing groups not including methacrylic acid; and performing a post polymerisation reaction on the block copolymer emulsion obtained in step II; and wherein said aqueous emulsion has a free vinyl monomer level <1000 ppm when having a solids content of ?20 wt %.
    Type: Application
    Filed: December 24, 2013
    Publication date: April 17, 2014
    Applicant: DSM IP ASSETS B.V.
    Inventors: Tijs NABUURS, Gerardus Cornelis OVERBEEK, Michael Arnoldus Jacobus SCHELLEKENS, Danny VISSER, Frank VAES
  • Publication number: 20140037975
    Abstract: An aqueous coating composition (which optionally can coat plastic substrates) the composition comprising a block copolymer and a polymer P; where the block copolymer comprises at least blocks [A]x[B]y; where at least block [A] is obtained by a controlled radical polymerisation of at least one ethylenically unsaturated monomer via a reversible addition-fragmentation chain transfer (RAFT) mechanism (optionally in solution in the presence of a control agent and a source of free radicals); and wherein block [A] comprises 20 to 100 mol % of ethylenically unsaturated monomer units bearing water-dispersing functional groups; wherein block [B] comprises 20 to 100 mol % of ethylenically unsaturated monomer units bearing plastic adhesion promoting functional groups; and wherein polymer P is prepared in the presence of blocks [A]x[B]y. The compositions may be used to coat plastic substrates, foam; surfaces having low surface energy, hydrophobic substrates and/or polyolefins.
    Type: Application
    Filed: October 4, 2013
    Publication date: February 6, 2014
    Applicant: DSM IP ASSETS B.V.
    Inventors: Michael Arnoldus Jacobus SCHELLEKENS, Gerardus Cornelis OVERBEEK, Tijs NABUURS, John GEURTS
  • Publication number: 20130224382
    Abstract: A radiation curable composition comprising 15 to 85 wt % of at least one solvent comprising ?20 wt % of water; 5 to 50 wt % of at least one radiation curable material having a Mn in the range of from 50 to 10,000 g/mol; and 10 to 70 wt % of at least one polyurethane having a Mw in the range of from 4,000 to 70,000 g/mol, the polyurethane having 0 to 5 wt % of isocyanate-reactive component(s) bearing ionic or potentially ionic water-dispersing groups and a free isocyanate group content ?0.5 wt %.
    Type: Application
    Filed: April 4, 2013
    Publication date: August 29, 2013
    Applicant: DSM IP ASSETS B.V.
    Inventors: Gerardus Cornelis OVERBEEK, Alfred Jean Paul Bückmann, Michael Arnoldus Jacobus Schellekens, Jacobus Willem Griffioen
  • Publication number: 20130224509
    Abstract: An aqueous emulsion comprising at least a covalently bound vinyl oligomer and vinyl polymer, wherein said vinyl oligomer comprises 5 to 85 mol % of vinyl monomers bearing quaternary ammonium ion functional groups or quaternisable amine functional groups and is obtained by a controlled radical polymerisation of at least one vinyl monomer via a reversible addition-fragmentation chain transfer mechanism in solution in the presence of a control agent and a source of free radicals; wherein said vinyl polymer is obtained by emulsion polymerisation of vinyl monomers in the presence of the vinyl oligomer; wherein the weight % ratio of vinyl oligomer to vinyl polymer is in the range of from 0.5:99.5 to 65:35.
    Type: Application
    Filed: April 3, 2013
    Publication date: August 29, 2013
    Applicant: DSM IP ASSETS B.V.
    Inventors: Michael Arnoldus Jacobus SCHELLEKENS, John GEURTS, Tijs NABUURS, Gerardus Cornelis OVERBEEK
  • Publication number: 20130150528
    Abstract: There is disclosed a process for obtaining a water-borne crosslinkable composition comprising a block copolymer comprising at least blocks [A]x[B]y (where x is an integer from 3 to 80 (inc.), where y is an integer ?10 and where y>x) and a polymer P, the block copolymer-polymer having an acid value ?150 mg KOH per g of block copolymer-polymer, where at least block [A] and [B] is obtained by a controlled radical polymerisation of at least one ethylenically unsaturated monomer via a reversible addition-fragmentation chain transfer (RAFT) mechanism in solution in the presence of a control agent and a source of free radicals; and where polymer P is obtained in the presence of blocks [A]x[B]y by an emulsion polymerisation process.
    Type: Application
    Filed: February 4, 2013
    Publication date: June 13, 2013
    Applicant: DSM IP ASSETS B.V.
    Inventors: Michael Arnoldus Jacobus SCHELLEKENS, Tijs NABUURS, John GEURTS, Gerardus Cornslis OVERBEEK
  • Publication number: 20130030118
    Abstract: A process for obtaining an aqueous emulsion comprising a block copolymer by the solution polymerisation of vinyl monomers to obtain block [B] in the presence of a) a radical precursor; and b) an iodine atom containing block [A]; where block [A] and [B] together comprise 0 to 2 wt % of methacrylic acid; where block [A] and block [B] together comprise ?2.5 wt % of vinyl monomers bearing ionic or potentially ionic water-dispersing groups not including methacrylic acid; and performing a post polymerisation reaction on the block copolymer emulsion obtained in step II; and wherein said aqueous emulsion has a free vinyl monomer level <1000 ppm when having a solids content of ?20 wt %.
    Type: Application
    Filed: October 9, 2012
    Publication date: January 31, 2013
    Applicant: DSM IP ASSETS B.V.
    Inventors: Tijs NABUURS, Gerardus Cornelis OVERBEEK, Michael Arnoldus Jacobus SCHELLEKENS, Danny VISSER, Frank VAES
  • Publication number: 20120315397
    Abstract: A radiation curable composition comprising 15 to 85 wt % of at least one solvent comprising ?20 wt % of water; 5 to 50 wt % of at least one radiation curable material having a Mn in the range of from 50 to 10,000 g/mol; and 10 to 70 wt % of at least one polyurethane having a Mw in the range of from 4,000 to 70,000 g/mol, the polyurethane having 0 to 5 wt % of isocyanate-reactive component(s) bearing ionic or potentially ionic water-dispersing groups and a free isocyanate group content ?0.5 wt %.
    Type: Application
    Filed: August 17, 2012
    Publication date: December 13, 2012
    Applicant: DSM IP Assets B.V.
    Inventors: Gerardus Cornelis Overbeek, Alfred Jean Paul Bückmann, Michael Arnoldus Jacobus Schellekens, Jacobus Willem Griffioen