Patents by Inventor John Geurts
John Geurts 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: 9567476Abstract: 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: GrantFiled: February 4, 2013Date of Patent: February 14, 2017Assignee: DSM IP ASSETS B.V.Inventors: Michael Arnoldus Jacobus Schellekens, Tijs Nabuurs, John Geurts, Gerardus Cornslis Overbeek
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Patent number: 9340699Abstract: 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: GrantFiled: January 13, 2014Date of Patent: May 17, 2016Assignee: DSM IP ASSETS B.V.Inventors: Michael Arnoldus Jacobus Schellekens, John Geurts, Tijs Nabuurs, Gerardus Cornelis Overbeek
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Patent number: 9255211Abstract: 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: GrantFiled: October 4, 2013Date of Patent: February 9, 2016Assignee: DSM IP ASSETS B.V.Inventors: Michael Arnoldus Jacobus Schellekens, Gerardus Cornelis Overbeek, Tijs Nabuurs, John Geurts
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Publication number: 20140170428Abstract: 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: ApplicationFiled: February 24, 2014Publication date: June 19, 2014Applicant: DSM IP ASSETS B.V.Inventors: Michael Arnoldus Jacobus SCHELLEKENS, Tijs NABUURS, John GEURTS, Gerardus Cornelis OVERBEEK
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Publication number: 20140127153Abstract: 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: ApplicationFiled: January 13, 2014Publication date: May 8, 2014Applicant: DSM IP ASSETS B.V.Inventors: Michael Arnoldus Jacobus SCHELLEKENS, John GEURTS, Tijs NABUURS, Gerardus Cornelis OVERBEEK
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Publication number: 20140037975Abstract: 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: ApplicationFiled: October 4, 2013Publication date: February 6, 2014Applicant: DSM IP ASSETS B.V.Inventors: Michael Arnoldus Jacobus SCHELLEKENS, Gerardus Cornelis OVERBEEK, Tijs NABUURS, John GEURTS
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Publication number: 20130224509Abstract: 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: ApplicationFiled: April 3, 2013Publication date: August 29, 2013Applicant: DSM IP ASSETS B.V.Inventors: Michael Arnoldus Jacobus SCHELLEKENS, John GEURTS, Tijs NABUURS, Gerardus Cornelis OVERBEEK
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Publication number: 20130150528Abstract: 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: ApplicationFiled: February 4, 2013Publication date: June 13, 2013Applicant: DSM IP ASSETS B.V.Inventors: Michael Arnoldus Jacobus SCHELLEKENS, Tijs NABUURS, John GEURTS, Gerardus Cornslis OVERBEEK
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Publication number: 20120282212Abstract: 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: ApplicationFiled: June 28, 2012Publication date: November 8, 2012Applicant: DSM IP Assets B.VInventors: Michael Arnoldus Jacobus SCHELLEKENS, John Geurts, Tijs Nabuurs, Gerardus Cornelis Overbeek
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Publication number: 20120196143Abstract: 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: ApplicationFiled: April 4, 2012Publication date: August 2, 2012Applicant: DSM IP Assets B.V.Inventors: Michael Arnoldus Jacobus SCHELLEKENS, Gerardus Cornelis Overbeek, Tijs Nabuurs, John Geurts
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Publication number: 20110207871Abstract: An aqueous dispersion comprising a crystallisable vinyl block copolymer-polymer which comprises: i) a vinyl block copolymer comprising at least blocks [A]x [B]y , wherein at least a crystallisable block [A] is obtained by a controlled radical polymerisation of at least one vinyl 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 wherein the vinyl block copolymer comprises 2 to 50 wt % of vinyl monomers bearing at least a crystallisable side chain by weight of the vinyl block copolymer-polymer; wherein crystallisable block [A] has an average degree of polymerisation x, wherein x is an integer in the range of from 3 to 80; wherein block [B] has an average degree of polymerisation y, wherein y is an integer ?3; and ii) a vinyl polymer [P] obtained by the free radical emulsion polymerisation of one or more vinyl monomers in the presence of the vinyl block copolymer; and wherein the block copolymer:polymType: ApplicationFiled: July 31, 2008Publication date: August 25, 2011Applicant: DSM IP ASSETS B.V.Inventors: John Geurts, Michael Arnoldus Jacobus Schellekens, Tijs Nabuurs, Gerardus Comelis Overbeek
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Publication number: 20110159306Abstract: 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: ApplicationFiled: June 30, 2009Publication date: June 30, 2011Inventors: Michael Arnoldus Jacobus Schellekens, Tijs Nabuurs, John Geurts, Gerardus Cornelis Overbeek
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Publication number: 20110111244Abstract: 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: ApplicationFiled: April 1, 2009Publication date: May 12, 2011Inventors: Michael Arnoldus Jacobus Schellekens, Gerardus Cornelis Overbeek, Tijs Nabuurs, John Geurts
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Publication number: 20110021689Abstract: 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: ApplicationFiled: January 16, 2009Publication date: January 27, 2011Inventors: Michael Arnoldus Jacobus Schellekens, Tijs Nabuurs, John Geurts, Gerardus Cornelis Overbeek
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Patent number: 7833584Abstract: Aqueous coating composition comprising a blend of 20 to 60 wt % of a multistage vinyl polymer (A) comprising 5 to 40 wt % of at least one hard polymer stage (i) having a Tg?50° C. and 95 to 60 wt % of at least one soft polymer stage (ii) having a Tg??5° C.; and 80 to 40 wt % of a vinyl oligomer-polymer (B) comprising 15 to 50 wt % of at least one alkaline soluble oligomer (iii) and 85 to 50 wt % of at least one vinyl polymer (iv) having a Tg in the range of from ?20 to 30° C.Type: GrantFiled: March 31, 2006Date of Patent: November 16, 2010Assignee: DSM IP Assets B.V.Inventors: John Geurts, Rajasingham Satgurunathan, Jan Bouman, Gerardus Cornelis Overbeek
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Publication number: 20100136353Abstract: 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: ApplicationFiled: April 3, 2008Publication date: June 3, 2010Inventors: Michael Arnoldus Jacobus Schellekens, John Geurts, Tijs Nabuurs, Gerardus Cornelis Overbeek
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Publication number: 20090068367Abstract: Aqueous coating composition comprising a blend of 20 to 60 wt % of a multistage vinyl polymer (A) comprising 5 to 40 wt % of at least one hard polymer stage (i) having a Tg?50° C. and 95 to 60 wt % of at least one soft polymer stage (ii) having a Tg??5° C.; and 80 to 40 wt % of a vinyl oligomer-polymer (B) comprising 15 to 50 wt % of at least one alkaline soluble oligomer (iii) and 85 to 50 wt % of at least one vinyl polymer (iv) having a Tg in the range of from ?20 to 30° C.Type: ApplicationFiled: March 31, 2006Publication date: March 12, 2009Inventors: John Geurts, Rajasingham Satgurunathan, Jan Bouman, Gerardus Cornelis Overbeek