Patents by Inventor Frederik Willem Karel Koers
Frederik Willem Karel Koers 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: 9840599Abstract: Process for curing a thermoset resin comprising the step of contacting said resin with (i) an imine of the structure C(R2)(R3)?N—R1 wherein R1 is selected from hydrogen, hydroxyl, linear or branched alkyl having 1-22 carbon atoms, cycloalkyl having 3-22 carbon atoms, aryl having 6 to 15 carbon atoms, and aralkyl having 7 to 22 carbon atoms, which alkyl, cycloalkyl, aryl, and aralkyl groups may be optionally substituted with one or more groups containing heteroatoms selected from S, O, P, and/or Si. R2 is selected from C(R6)(R5)—C(?O)—R4, —C(R6)(R5)—C(?S)—R4, and —C(R6)(R5)—C(?N)—R4, wherein R4, R5, and R6 are selected from hydrogen, linear or branched alkyl having 1-6 carbon atoms, cycloalkyl having 3-12 carbon atoms, aryl, aralkyl, alkoxy having 1-6 carbon atoms, and aryloxy. R3 is selected from linear or branched alkyl having 1-22 carbon atoms, 1 cycloalkyl having 3-22 carbon atoms, aryl having 6 to 15 carbon atoms, and aralkyl having 7 to 22 carbon atoms, and (ii) methyl isopropyl ketone peroxide.Type: GrantFiled: August 14, 2013Date of Patent: December 12, 2017Assignee: AKZO NOBEL CHEMICALS INTERNATIONAL B.V.Inventors: Frederik Willem Karel Koers, Auke Gerardus Talma
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Patent number: 9428631Abstract: Accelerator solution suitable for forming a redox system with peroxides, comprising (i) an iron compound selected from iron carboxylates, iron 1,3-dioxo complexes, and iron dicylcopentadienyl complexes, (ii) a compound of a second transition metal; the weight ratio of iron:second transition metal being in the range 3:1 to 200:1, with the proviso that the accelerator solution is essentially free of ascorbic acid.Type: GrantFiled: August 29, 2012Date of Patent: August 30, 2016Assignee: AKZO NOBEL CHEMICALS INTERNATIONAL B.V.Inventors: Auke Gerardus Talma, Frederik Willem Karel Koers, Johannes Martinus Gerardus Maria Reijnders
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Patent number: 9382413Abstract: Multi-pack curable composition comprising: a first pack comprising a blend of (i) an epoxy resin, (ii) an unsaturated polyester or vinyl ester resin, and optionally (iii) a peroxyester, a second pack comprising an amine curing agent for the epoxy resin and at least one transition metal compound selected from iron, copper, and manganese compounds, and at least when the first pack does not contain a peroxyester, a third pack comprising a peroxide.Type: GrantFiled: November 29, 2012Date of Patent: July 5, 2016Assignee: AKZO NOBEL CHEMICALS INTERNATIONAL B.V.Inventors: Frederik Willem Karel Koers, Auke Gerardus Talma
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Patent number: 9255196Abstract: Accelerator solution suitable for forming a redox system with peroxides, comprising a Cu(I) compound, a transition metal selected from cobalt and titanium, a phosphorous-containing compound, a nitrogen-containing base, and a hydroxy-functional solvent.Type: GrantFiled: March 21, 2012Date of Patent: February 9, 2016Assignee: AKZO NOBEL CHEMICALS INTERNATIONAL B.V.Inventor: Frederik Willem Karel Koers
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Patent number: 9206302Abstract: Accelerator solution suitable for forming a redox system with peroxides, comprising (i) a compound of a first transition metal selected from manganese and copper, (ii) a compound of a second transition metal; the weight ratio of first transition metal:second transition metal being in the range 3:1 to 200:1, (iii) a nitrogen-containing base, and (iv) a hydroxy-functional solvent, with the proviso that the accelerator solution does not contain ascorbic acid.Type: GrantFiled: March 21, 2012Date of Patent: December 8, 2015Assignee: AKZO NOBEL CHEMICALS INTERNATIONAL B.V.Inventors: Johannes Martinus Gerardus Maria Reijnders, Frederik Willem Karel Koers, Auke Gerardus Talma
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Patent number: 9200143Abstract: Process for curing a thermoset resin comprising the step of contacting said resin with (i) one or more imines of the structure Formula (I), wherein —y=0 or 1, z=1-4, and y+z?2, —X is independently selected from O, S, P, NH, N—R1, and N—OH, —R1 is selected from linear or branched, cyclic, bi-cyclic, or tri-cyclic alkylene groups with 2-18 carbon atoms, arylene groups with 6-12 carbon atoms, and aralkylene groups with 2-18 carbon atoms, —R2-R5 are individually selected from hydrogen, linear or branched alkyl groups having 1-18 carbon atoms, cycloalkyl groups having 3-12 carbon atoms, aryl groups having 6-12 carbon atoms, aralkyl groups having 6-18 carbon atoms, alkoxy groups having 1-6 carbon atoms, and aryloxy groups; —each of said R-groups may optionally be substituted with O, S, Si, P, or N-containing substituents, —R4 and R5; R3 and R4; R2, R5 and R1 and R3 may optionally form ring, and (ii) a peroxide.Type: GrantFiled: August 14, 2013Date of Patent: December 1, 2015Assignee: AKZO NOBEL CHEMICALS INTERNATIONAL B.V.Inventors: Frederik Willem Karel Koers, Auke Gerardus Talma
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Publication number: 20150225515Abstract: Process for curing a thermoset resin comprising the step of contacting said resin with (i) an imine of the structure C(R2)(R3)?N—R1 wherein R1 is selected from hydrogen, hydroxyl, linear or branched alkyl having 1-22 carbon atoms, cycloalkyl having 3-22 carbon atoms, aryl having 6 to 15 carbon atoms, and aralkyl having 7 to 22 carbon atoms, which alkyl, cycloalkyl, aryl, and aralkyl groups may be optionally substituted with one or more groups containing heteroatoms selected from S, O, P, and/or Si. R2 is selected from C(R6)(R5)—C(?O)—R4, —C(R6)(R5)—C(?S)—R4, and —C(R6)(R5)—C(?N)—R4, wherein R4, R5, and R6 are selected from hydrogen, linear or branched alkyl having 1-6 carbon atoms, cycloalkyl having 3-12 carbon atoms, aryl, aralkyl, alkoxy having 1-6 carbon atoms, and aryloxy. R3 is selected from linear or branched alkyl having 1-22 carbon atoms, 1 cycloalkyl having 3-22 carbon atoms, aryl having 6 to 15 carbon atoms, and aralkyl having 7 to 22 carbon atoms, and (ii) methyl isopropyl ketone peroxide.Type: ApplicationFiled: August 14, 2013Publication date: August 13, 2015Inventors: Frederik Willem Karel Koers, Auke Gerardus Talma
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Publication number: 20150203656Abstract: Accelerator solution suitable for forming a redox system with peroxides, comprising (i) an iron compound selected from iron carboxylates, iron 1,3-dioxo complexes, and iron dicylcopentadienyl complexes, (ii) a compound of a second transition metal; the weight ratio of iron:second transition metal being in the range 3:1 to 200:1, with the proviso that the accelerator solution is essentially free of ascorbic acid.Type: ApplicationFiled: August 29, 2012Publication date: July 23, 2015Applicant: Akzo Nobel Chemicals International B.V.Inventors: Auke Gerardus Talma, Frederik Willem Karel Koers, Johannes Martinus Gerardus Maria Reijnders
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Publication number: 20150203659Abstract: Process for curing a thermoset resin comprising the step of contacting said resin with (i) one or more imines of the structure Formula (I), wherein y=0 or 1, z=1-4, and y+z?2, X is independently selected from O, S, P, NH, N—R1, and N—OH, R1 is selected from linear or branched, cyclic, bi-cyclic, or tri-cyclic alkylene groups with 2-18 carbon atoms, arylene groups with 6-12 carbon atoms, and aralkylene groups with 2-18 carbon atoms, R2-R5 are individually selected from hydrogen, linear or branched alkyl groups having 1-18 carbon atoms, cycloalkyl groups having 3-12 carbon atoms, aryl groups having 6-12 carbon atoms, aralkyl groups having 6-18 carbon atoms, alkoxy groups having 1-6 carbon atoms, and aryloxy groups; each of said R-groups may optionally be substituted with O, S, Si, P, or N-containing substituents, R4 and R5; R3 and R4; R2,R5 and R1 and R3 may optionally form ring, and (ii) a peroxide.Type: ApplicationFiled: August 14, 2013Publication date: July 23, 2015Inventors: Frederik Willem Karel Koers, Auke Gerardus Talma
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Patent number: 9034785Abstract: Solution suitable for accelerating the cure of a curable resin using a peroxide, said accelerator solution comprising (i) at least one organic solvent, (ii) a manganese salt, a copper salt, or a combination thereof, and (iii) an iron complex of a tetradentate, pentadentate or hexadentate nitrogen donor ligand.Type: GrantFiled: June 14, 2011Date of Patent: May 19, 2015Assignee: AKZO NOBEL CHEMICALS INTERNATIONAL B.V.Inventors: Frederik Willem Karel Koers, Johannes Martinus Gerardus Maria Reijnders, Auke Gerardus Talma, Johannes Hermanus Ter Beek
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Publication number: 20140323613Abstract: Multi-pack curable composition comprising: a first pack comprising a blend of (i) an epoxy resin, (ii) an unsaturated polyester or vinyl ester resin, and optionally (iii) a peroxyester, a second pack comprising an amine curing agent for the epoxy resin and at least one transition metal compound selected from iron, copper, and manganese compounds, and at least when the first pack does not contain a peroxyester, a third pack comprising a peroxide.Type: ApplicationFiled: November 29, 2012Publication date: October 30, 2014Inventors: Frederik Willem Karel Koers, Auke Gerardus Talma
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Publication number: 20140135466Abstract: Process for the preparation of a composition comprising di-(tert-butylcyclohexyl) peroxydicarbonate comprising the steps of (a) preparing a pre-mix comprising di-(tert-butylcyclohexyl) peroxydicarbonate, one or more organic solvents, a hydrophilic silica, and apolyalkoxylated butyl ether, and (b) milling the pre-mix resulting from step (a).Type: ApplicationFiled: July 19, 2012Publication date: May 15, 2014Applicant: Akzo Nobel Chemicals International B. V.Inventors: Frederik Willem Karel Koers, Francisca Anna Maria Veldkamp-Groot Koerkamp
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Publication number: 20140011966Abstract: Process for the preparation of an accelerator solution suitable for forming a redox system with peroxides, comprising the steps of heating a liquid formulation comprising a hydroxy-functional solvent and a nitrogen-containing base to a temperature in the range 50-200° C., followed by adding a transition metal salt or complex to said heated formulation.Type: ApplicationFiled: March 21, 2012Publication date: January 9, 2014Applicant: Akzo Nobel Chemicals International B.V.Inventors: Johannes Martinus Gerardus Maria Reijnders, Frederik Willem Karel Koers, Auke Gerardus Talma
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Publication number: 20140005342Abstract: Accelerator solution suitable for forming a redox system with peroxides, comprising (i) a compound of a first transition metal selected from manganese and copper, (ii) a compound of a second transition metal; the weight ratio of first transition metal:second transition metal being in the range 3:1 to 200:1, (iii) a nitrogen-containing base, and (iv) a hydroxy-functional solvent, with the proviso that the accelerator solution does not contain ascorbic acid.Type: ApplicationFiled: March 21, 2012Publication date: January 2, 2014Inventors: Johannes Martinus Gerardus Maria Reijnders, Frederik Willem Karel Koers, Auke Gerardus Talma
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Publication number: 20140005343Abstract: Accelerator solution suitable for forming a redox system with peroxides, comprising a Cu(I) compound, a transition metal selected from cobalt and titanium, a phosphorous-containing compound, a nitrogen-containing base, and a hydroxy-functional solvent.Type: ApplicationFiled: March 21, 2012Publication date: January 2, 2014Applicant: Akzo Nobel Chemicals International B.V.Inventor: Frederik Willem Karel Koers
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Publication number: 20130211013Abstract: Solution suitable for accelerating the cure of a curable resin using a peroxide, said accelerator solution comprising (i) at least one organic solvent, (ii) a manganese salt, a copper salt, or a combination thereof, and (iii) an iron complex of a tetradentate, pentadentate or hexadentate nitrogen donor ligand.Type: ApplicationFiled: June 14, 2011Publication date: August 15, 2013Applicant: Akzo Nobel Chemicals International B.V.Inventors: Frederik Willem Karel Koers, Johannes Martinus Gerardus Maria Reijnders, Auke Gerardus Talma, Johannes Hermanus Ter Beek
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Patent number: 8366960Abstract: The invention pertains to a peroxide composition comprising, based on the total weight of the composition: a) 10-90 wt % of an organic peroxide; b) 90-10 wt % of an organic solvent in which the organic peroxide does not dissolve; and c) optionally additives; wherein the water content is less than 20 wt %.Type: GrantFiled: April 10, 2008Date of Patent: February 5, 2013Assignee: Akzo Nobel N.V.Inventors: Johannes Martinus Gerardus Maria Reijnders, Frederik Willem Karel Koers
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Patent number: 8268189Abstract: Accelerator solution suitable for forming a redox system with peroxides and having a high storage stability, consisting essentially of (a) more than 1.0 wt % of one or more reducing agents, at least one of them being selected from ascorbic acid and sodium formaldehyde sulphoxylate, (b) one or more metal salts, at least one of them being selected from the group consisting of transition metal salts, lithium salts, and magnesium salts, (c) one or more organic oxygen-containing solvents, (d) optionally one or more stabilisers, and (e) optionally water.Type: GrantFiled: May 24, 2006Date of Patent: September 18, 2012Assignee: Akzo Nobel N.V.Inventors: Frederik Willem Karel Koers, Anna Gerdine Van De Bovenkamp-Bouwman
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Patent number: 8008380Abstract: The invention relates to an accelerator solution comprising a complexing agent selected from the group consisting of complexing agents having a nitrogen atom and a hydroxyl group and bipyridine, a salt of a metal selected from the group consisting of transition metal, magnesium, and lithium, and optionally a solvent, wherein when the complexing agent has a nitrogen atom and a hydroxyl group, the amount of complexing agent in the accelerator solution is at least 5 wt %, based on the total weight of the accelerator solution, the amount of solvent is less than 50 wt %, and the amount of diethylene glycol as solvent is less than 25 wt %, based on the total weight of the accelerator solution.Type: GrantFiled: March 31, 2008Date of Patent: August 30, 2011Assignee: AKZO Nobel N.V.Inventors: Frederik Willem Karel Koers, John Meijer, Anna Gerdine van de Bovenkamp-Bouwman
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Publication number: 20100120977Abstract: The invention relates to an accelerator solution comprising a complexing agent selected from the group consisting of complexing agents having a nitrogen atom and a hydroxyl group and bipyridine, a salt of a metal selected from the group consisting of transition metal, magnesium, and lithium, and optionally a solvent, wherein when the complexing agent has a nitrogen atom and a hydroxyl group, the amount of complexing agent in the accelerator solution is at least 5 wt %, based on the total weight of the accelerator solution, the amount of solvent is less than 50 wt %, and the amount of diethylene glycol as solvent is less than 25 wt %, based on the total weight of the accelerator solution.Type: ApplicationFiled: March 31, 2008Publication date: May 13, 2010Inventors: Frederik Willem Karel Koers, John Meijer, Anna Gerdine Van De Bovenkamp-Bouwman