Patents by Inventor Wilhelm Klaas Frijlink
Wilhelm Klaas Frijlink 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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Publication number: 20230091635Abstract: Process for obtaining polyethylene with an MFI (190° C./2.16 kg) of at least 4 g/10 minutes and a melt strength (190° C.) of at least 8.0 cN, said process involving extrusion of low density polyethylene (LDPE) with an MFI of at least 5 g/10 minutes and a vinyl content of less than 0.25 terminal vinyl groups per 1000 C-atoms (measured with NMR in deuterated tetrachloroethane solution)—in the presence of 500-5,000 ppm, based on the weight of low density polyethylene, of an organic peroxide.Type: ApplicationFiled: November 29, 2022Publication date: March 23, 2023Applicant: NOURYON CHEMICALS INTERNATIONAL B.V.Inventors: Wilhelm Klaas FRIJLINK, Jan Martijn VAN DER SCHUUR
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Patent number: 11518829Abstract: Process for obtaining polyethylene with an MFI (190° C./2.16 kg) of at least 4 g/10 minutes and a melt strength (190° C.) of at least 8.0 cN, said process involving extrusion of low density polyethylene (LDPE) with an MFI of at least 5 g/10 minutes and a vinyl content of less than 0.25 terminal vinyl groups per 1000 C-atoms (measured with NMR in deuterated tetrachloroethane solution)—in the presence of 500-5,000 ppm, based on the weight of low density polyethylene, of an organic peroxide.Type: GrantFiled: November 23, 2018Date of Patent: December 6, 2022Assignee: NOURYON CHEMICALS INTERNATIONAL B.V.Inventors: Wilhelm Klaas Frijlink, Jan Martijn Van Der Schuur
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Patent number: 11236180Abstract: A process for enhancing the melt strength of polypropylene by extruding said polypropylene in a twin-screw extruder, under inert atmosphere, at a temperature between about 150° C. and about 300° C., and in the presence of about 0.1 to about 3.0 wt %, based on the weight of the polypropylene, of a para-substituted dibenzoyl peroxide.Type: GrantFiled: August 21, 2018Date of Patent: February 1, 2022Assignee: NOURYON CHEMICALS INTERNATIONAL B.V.Inventors: Wilhelm Klaas Frijlink, Jan Martijn Van Der Schuur, Auke Gerardus Talma, Waldo Joseph Elisabeth Beek, Hendrikus Johannes Maria Kamp
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Publication number: 20210403230Abstract: Organic peroxide composition that is solid at room temperature, said composition comprising (i) at least about 40 wt %—based on the weight of the entire composition—of an organic peroxide that is solid at room temperature, said organic peroxide being selected from peroxydicarbonates and diacylperoxides, and (ii) about 0.001 to about 5 wt %—based on the weight of organic peroxide in the composition—of an HCl scavenger that is solid at room temperature.Type: ApplicationFiled: October 11, 2019Publication date: December 30, 2021Applicant: NOURYON CHEMICALS INTERNATIONAL B.V.Inventors: Wilhelm Klaas FRIJLINK, Petrus Paulus WAANDERS, Johan NUYSINK, Rudy KOERS
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Patent number: 10920052Abstract: Process for reducing fogging from high melt strength polypropylene (HMS-PP) obtained by heat treating polypropylene at a temperature between 150° C. and 300° C. in the presence of a dialkyl peroxydicarbonate, said process involving the introduction of an anhydride to said high melt strength polypropylene.Type: GrantFiled: December 5, 2016Date of Patent: February 16, 2021Assignee: NOURYON CHEMICALS INTERNATIONAL B.V.Inventors: Wilhelm Klaas Frijlink, Jan Martijn Van Der Schuur, Auke Gerardus Talma, Michel Van Den Berg
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Publication number: 20200362068Abstract: Process for obtaining polyethylene with an MFI (190° C/2.16 kg) of at least 4 g/10 minutes and a melt strength (190° C.) of at least 8.0 cN, said process involving extrusion of low density polyethylene (LDPE) with an MFI of at least 5 g/10 minutes and a vinyl content of less than 0.25 terminal vinyl groups per 1000 C-atoms (measured with NMR in deuterated tetrachloroethane solution)—in the presence of 500-5,000 ppm, based on the weight of low density polyethylene, of an organic peroxide.Type: ApplicationFiled: November 23, 2018Publication date: November 19, 2020Applicant: NOURYON CHEMICALS INTERNATIONAL B.V.Inventors: Wilhelm Klaas FRIJLINK, Jan Martijn VAN DER SCHUUR
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Publication number: 20200223956Abstract: A process for enhancing the melt strength of polypropylene by extruding said polypropylene in a twin-screw extruder, under inert atmosphere, at a temperature between about 150° C. and about 300° C., and in the presence of about 0.1 to about 3.0 wt %, based on the weight of the polypropylene, of a para-substituted dibenzoyl peroxide.Type: ApplicationFiled: August 21, 2018Publication date: July 16, 2020Applicant: NOURYON CHEMICALS INTERNATIONAL B.V.Inventors: Wilhelm Klaas FRIJLINK, Jan Martijn VAN DER SCHUUR, Auke Gerardus TALMA, Waldo Joseph Elisabeth BEEK, Hendrikus Johannes Maria KAMP
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Publication number: 20190263987Abstract: Process for reducing fogging from high melt strength polypropylene (HMS-PP) obtained by heat treating polypropylene at a temperature between 150° C. and 300° C. in the presence of a dialkyl peroxydicarbonate, said process involving the introduction of an anhydride to said high melt strength polypropylene.Type: ApplicationFiled: December 5, 2016Publication date: August 29, 2019Inventors: Wilhelm Klaas FRIJLINK, Jan Martijn VAN DER SCHUUR, Auke Gerardus TALMA, Michel VAN DEN BERG
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Patent number: 10316162Abstract: Masterbatch comprising a dimeric and/or trimeric cyclic ketone peroxide dispersed in a polymeric matrix with a porosity, expressed as percentage of voids on the volume of the matrix, of 0.1-80 vol %, wherein said masterbatch comprises, per 100 g of polymeric matrix, 1-30 g dimeric and/or trimeric cyclic ketone peroxide and less than 0.20 g saturated hydrocarbons with 17-51 carbon atoms.Type: GrantFiled: December 2, 2013Date of Patent: June 11, 2019Assignee: AKZO NOBEL CHEMICALS INTERNATIONAL B.V.Inventors: Paul Albert Iacobucci, Wilhelm Klaas Frijlink, Bart Fischer
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Patent number: 10301441Abstract: Process for enhancing the melt strength of polypropylene by heat treating said polypropylene at a temperature between 150° C. and 300° C. in the presence of 0.3-3 wt %, based on the weight of the polypropylene, of a dialkyl peroxydicarbonate having alkyl groups with 12-20 carbon atoms, wherein a hydrophilic silica with a silanol group concentration of at least 1.0 mmol Si—OH groups/g, as measured by LiAlH4 titration, is added to said polypropylene before, during, or after said heat treatment, in a mole ratio Si—OH/dialkyl peroxydicarbonate of more than 0.5.Type: GrantFiled: June 9, 2015Date of Patent: May 28, 2019Assignee: AKZO NOBEL CHEMICALS INTERNATIONAL B.V.Inventors: Wilhelm Klaas Frijlink, Leonardus Bernardus Gerhardus Maria Nijhof
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Publication number: 20170145172Abstract: Process for enhancing the melt strength of polypropylene by heat treating said polypropylene at a temperature between 150° C. and 300° C. in the presence of 0.3-3wt %, based on the weight of the polypropylene,of a dialkyl peroxydicarbonate having alkyl groups with 12-20 carbon atoms, wherein a hydrophilic silica with a silanol group concentration of at least 1.0 mmol Si—OH groups/g, as measured by LiAlH4 titration, is added to said polypropylene before, during, or after said heat treatment, in a mole ratio Si—OH/dialkyl peroxydicarbonate of more than 0.5.Type: ApplicationFiled: June 9, 2015Publication date: May 25, 2017Inventors: Wilhelm Klaas Frijlink, Leonardus Bernardus Gerhardus Maria Nijhof
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Patent number: 9527967Abstract: Masterbatch comprising one or more organic peroxides in liquid form, dispersed in a polymeric matrix comprising at least 50 wt % of a bioresin, wherein the polymeric matrix has a porosity, expressed as percentage of voids on the volume of the matrix, of 2.5-70 vol % and the concentration of water in the masterbatch is kept to 2000 ppm or less, based on the total weight of the masterbatch.Type: GrantFiled: December 2, 2013Date of Patent: December 27, 2016Assignee: AKZO NOBEL CHEMICALS INTERNATIONAL B.V.Inventors: Paul Albert Iacobucci, Wilhelm Klaas Frijlink
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Publication number: 20150329682Abstract: Masterbatch comprising one or more organic peroxides in liquid form, dispersed in a polymeric matrix comprising at least 50 wt % of a bioresin, wherein the polymeric matrix has a porosity, expressed as percentage of voids on the volume of the matrix, of 2.5-70 vol % and the concentration of water in the masterbatch is kept to 2000 ppm or less, based on the total weight of the masterbatch.Type: ApplicationFiled: December 2, 2013Publication date: November 19, 2015Inventors: Paul Albert Iacobucci, Wilhelm Klaas Frijlink
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Publication number: 20150291761Abstract: Masterbatch comprising a dimeric and/or trimeric cyclic ketone peroxide dispersed in a polymeric matrix with a porosity, expressed as percentage of voids on the volume of the matrix, of 0.1-80 vol %, wherein said masterbatch comprises, per 100 g of polymeric matrix, 1-30 g dimeric and/or trimeric cyclic ketone peroxide and less than 0.20 g saturated hydrocarbons with 17-51 carbon atoms.Type: ApplicationFiled: December 2, 2013Publication date: October 15, 2015Inventors: Paul Albert Iacobucci, Wilhelm Klaas Frijlink, Bart Fischer
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Patent number: 8663992Abstract: Process for thermally stabilizing a polymer containing residues of a Sn(II), Sb(III), Pb(II), Bi(III), Fe(II), Ti(II), Ti(III), Mn(II), Mn(III), or Ge(II)-containing catalyst by treating the polymer at a temperature above its melting temperature with a peroxide selected from the group consisting of ketone peroxides, hydroperoxides, peracids, hydrogen peroxide, and mixtures thereof, wherein said peroxide is used in an amount less than 0.2 wt % based on the weight of the polymer and wherein the molar ratio of peroxy functionalities from said peroxide (p) to metal (M) ranges from 1 to 100; said metal (M) being selected from the group consisting of Sn(II), Sb(III), Pb(II), Bi(III), Fe(II), Ti(II), Ti(III), Mn(II), Mn(III), and Ge(II). The invention further relates to a method for determining the metal residue content of a polymer.Type: GrantFiled: July 8, 2009Date of Patent: March 4, 2014Assignee: Akzo Nobel N.V.Inventors: Andreas Herman Hogt, Wilhelm Klaas Frijlink
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Patent number: 8334348Abstract: Process for the modification of a polymer or copolymer having the following general structure for one or more of the repeating units: (1) wherein n is an integer, m is an integer in the range 0 to 6, and R is selected from hydrogen, substituted or unsubstituted C1-C20 alkyl, C3-C20 cycloalkyl, C6-C20 aryl, C7-C20 aralkyl, and C7-C20 alkaryl, which groups may include linear or branched alkyl moieties; the optional one or more substituents being selected from the group consisting of hydroxy, alkoxy, linear or branched alk(en)yl, aryloxy, halogen, carboxylic acid, ester, carboxy, nitrile, and amido groups, which process involves contacting the polymer or copolymer with a cyclic organic peroxide under conditions whereby at least some of said peroxide is decomposed. This process results in a (co)polymer with a high degree of branching but free of gel formation.Type: GrantFiled: February 22, 2007Date of Patent: December 18, 2012Assignee: Akzo Nobel N.V.Inventors: Andreas Herman Hogt, Wilhelm Klaas Frijlink
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Publication number: 20110104812Abstract: Process for thermally stabilizing a polymer containing residues of a Sn(II), Sb(III), Pb(II), Bi(III), Fe(II), Ti(II), Ti(III), Mn(II), Mn(III), or Ge(II)-containing catalyst by treating the polymer at a temperature above its melting temperature with a peroxide selected from the group consisting of ketone peroxides, hydroperoxides, peracids, hydrogen peroxide, and mixtures thereof, wherein said peroxide is used in an amount less than 0.2 wt % based on the weight of the polymer and wherein the molar ratio of peroxy functionalities from said peroxide (p) to metal (M) ranges from 1 to 100; said metal (M) being selected from the group consisting of Sn(II), Sb(III), Pb(II), Bi(III), Fe(II), Ti(II), Ti(III), Mn(II), Mn(III), and Ge(II). The invention further relates to a method for determining the metal residue content of a polymer.Type: ApplicationFiled: July 8, 2009Publication date: May 5, 2011Applicant: AKZO NOBEL N.V.Inventors: Andreas Herman Hogt, Wilhelm Klaas Frijlink
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Publication number: 20090124723Abstract: Process for the modification of a polymer or copolymer having the following general structure for one or more of the repeating units: (1) wherein n is an integer, m is an integer in the range 0 to 6, and R is selected from hydrogen, substituted or unsubstituted C1-C20 alkyl, C3-C20 cycloalkyl, C6-C20 aryl, C7-C20 aralkyl, and C7-C20 alkaryl, which groups may include linear or branched alkyl moieties; the optional one or more substituents being selected from the group consisting of hydroxy, alkoxy, linear or branched alk(en)yl, aryloxy, halogen, carboxylic acid, ester, carboxy, nitrile, and amido groups, which process involves contacting the polymer or copolymer with a cyclic organic peroxide under conditions whereby at least some of said peroxide is decomposed. This process results in a (co)polymer with a high degree of branching but free of gel formation.Type: ApplicationFiled: February 22, 2007Publication date: May 14, 2009Applicant: AKZO NOBEL N. V.Inventors: Andreas Herman Hogt, Wilhelm Klaas Frijlink