Patents by Inventor Jan Pieter Drijfhout
Jan Pieter Drijfhout 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: 11634592Abstract: The invention relates to a polymer comprising certain specific units. The invention further relates to processes for making the polymer of the invention. The invention further relates to a binder and compositions comprising the polymer, preferably to compositions suitable for paints and coatings. The invention relates in particular to water-borne, solvent-borne and powder coating compositions and preferably to curable water-borne, curable solvent-borne and curable powder coating compositions. The invention further relates to cured compositions. The invention further relates to objects, in particular coatings prepared from the compositions of the invention. The invention further relates to processes for making the compositions of the invention. The invention further relates to articles having coated thereon the compositions of the invention. The invention further relates to articles having coated and cured thereon the compositions of the invention.Type: GrantFiled: October 29, 2020Date of Patent: April 25, 2023Assignee: COVESTRO (NETHERLANDS) B.V.Inventors: Cornelis Eme Koning, Theo Veldhuis, Leendert Jan Molhoek, Paulus Franciscus Anna Buijsen, Jan Pieter Drijfhout
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Patent number: 11512165Abstract: Polymers and methods of making the same are described whereby the polymers generically include one or more units each of which necessarily has a 1,2,4-substituted cyclohexane group or a 1,1,2,4-substituted cyclohexane group. According to specific disclosures herein, polymers and methods of making the same are described whereby the polymers have one or more S1 units represented by the formula: wherein n is an integer equal to or higher than 1, m is 0 or 1, A is H or CH3, and wherein each of X and Y is a specifically defined group.Type: GrantFiled: August 20, 2020Date of Patent: November 29, 2022Assignee: COVESTRO (NETHERLANDS) B.V.Inventors: Cornelis Eme Koning, Theo Veldhuis, Paulus Franciscus Anna Buijsen, Jan Pieter Drijfhout, Albertus Johannes Reuvers, Rafael Jean Sablong, Chunliang Li
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Publication number: 20210179858Abstract: Polymers are provided which are formed of at least one unit selected from the group consisting of the following units S1 and S2: wherein X and Y are substituents as defined in the specification and k and m are integers as defined in the specification.Type: ApplicationFiled: February 16, 2021Publication date: June 17, 2021Inventors: Cornelis Eme KONING, Theo VELDHUIS, Leendert Jan MOLHOEK, Paulus Franciscus Anna BUIJSEN, Jan Pieter DRIJFHOUT
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Publication number: 20210071012Abstract: The invention relates to a polymer comprising certain specific units. The invention further relates to processes for making the polymer of the invention. The invention further relates to a binder and compositions comprising the polymer, preferably to compositions suitable for paints and coatings. The invention relates in particular to water-borne, solvent-borne and powder coating compositions and preferably to curable water-borne, curable solvent-borne and curable powder coating compositions. The invention further relates to cured compositions. The invention further relates to objects, in particular coatings prepared from the compositions of the invention. The invention further relates to processes for making the compositions of the invention. The invention further relates to articles having coated thereon the compositions of the invention. The invention further relates to articles having coated and cured thereon the compositions of the invention.Type: ApplicationFiled: October 29, 2020Publication date: March 11, 2021Inventors: Cornelis Eme KONING, Theo VELDHUIS, Leendert Jan MOLHOEK, Paulus Franciscus Anna BUIJSEN, Jan Pieter DRIJFHOUT
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Publication number: 20210002419Abstract: Polymers and methods of making the same are described whereby the polymers generically include one or more units each of which necessarily has a 1,2,4-substituted cyclohexane group or a 1,1,2,4-substituted cyclohexane group. According to specific disclosures herein, polymers and methods of making the same are described whereby the polymers have one or more S1 units represented by the formula: wherein n is an integer equal to or higher than 1, m is 0 or 1, A is H or CH3, and wherein each of X and Y is a specifically defined group.Type: ApplicationFiled: August 20, 2020Publication date: January 7, 2021Inventors: Cornelis Eme KONING, Theo VELDHUIS, Paulus Franciscus Anna BUIJSEN, Jan Pieter DRIJFHOUT, Albertus Johannes REUVERS, Rafael Jean SABLONG, Chunliang LI
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Patent number: 10875959Abstract: Polymers and methods of making the same are described whereby the polymers generically include one or more units each of which necessarily has a 1,2,4-substituted cyclohexane group or a 1,1,2,4-substituted cyclohexane group. According to specific disclosures herein, polymers and methods of making the same are described whereby the polymers have one or more S1 units represented by the formula: wherein n is an integer equal to or higher than 1, m is 0 or 1, A is H or CH3, and wherein each of X and Y is a specifically defined group.Type: GrantFiled: May 26, 2017Date of Patent: December 29, 2020Assignee: DSM IP ASSETS B.V.Inventors: Cornelis Eme Koning, Theo Veldhuis, Paulus Franciscus Anna Buijsen, Jan Pieter Drijfhout, Albertus Johannes Reuvers, Rafael Jean Sablong, Chunliang Li
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Publication number: 20190390003Abstract: The invention relates to a polymer comprising certain specific units. The invention further relates to processes for making the polymer of the invention. The invention further relates to a binder and compositions comprising the polymer, preferably to compositions suitable for paints and coatings. The invention relates in particular to water-borne, solvent-borne and powder coating compositions and preferably to curable water-borne, curable solvent-borne and curable powder coating compositions. The invention further relates to cured compositions. The invention further relates to objects, in particular coatings prepared from the compositions of the invention. The invention further relates to processes for making the compositions of the invention. The invention further relates to articles having coated thereon the compositions of the invention. The invention further relates to articles having coated and cured thereon the compositions of the invention.Type: ApplicationFiled: May 26, 2017Publication date: December 26, 2019Inventors: Cornelis Eme KONING, Theo VELDHUIS, Paulus Franciscus Anna BUIJSEN, Jan Pieter DRIJFHOUT, Albertus Johannes REUVERS, Rafael Jean SABLONG, Chunliang LI
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Publication number: 20190292313Abstract: The invention relates to a polymer comprising certain specific units. The invention further relates to processes for making the polymer of the invention. The invention further relates to a binder and compositions comprising the polymer, preferably to compositions suitable for paints and coatings. The invention relates in particular to water-borne, solvent-borne and powder coating compositions and preferably to curable water-borne, curable solvent-borne and curable powder coating compositions. The invention further relates to cured compositions. The invention further relates to objects, in particular coatings prepared from the compositions of the invention. The invention further relates to processes for making the compositions of the invention. The invention further relates to articles having coated thereon the compositions of the invention. The invention further relates to articles having coated and cured thereon the compositions of the invention.Type: ApplicationFiled: May 26, 2017Publication date: September 26, 2019Inventors: Cornelis Eme KONING, Theo VELDHUIS, Leendert Jan MOLHOEK, Paulus Franciscus Anna BUIJSEN, Jan Pieter DRIJFHOUT
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Publication number: 20190276677Abstract: The invention relates to a polymer comprising certain specific units. The invention further relates to processes for making the polymer of the invention. The invention further relates to a binder and compositions comprising the polymer, preferably to compositions suitable for paints and coatings. The invention relates in particular to water-borne, solvent-borne and powder coating compositions and preferably to curable water-borne, curable solvent-borne and curable powder coating compositions. The invention further relates to cured compositions. The invention further relates to objects, in particular coatings prepared from the compositions of the invention. The invention further relates to processes for making the compositions of the invention. The invention further relates to articles having coated thereon the compositions of the invention. The invention further relates to articles having coated and cured thereon the compositions of the invention.Type: ApplicationFiled: May 26, 2017Publication date: September 12, 2019Inventors: Cornelis Eme KONING, Theo VELDHUIS, Leendert Jan MOLHOEK, Paulus Franciscus Anna BUIJSEN, Jan Pieter DRIJFHOUT
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Patent number: 10399113Abstract: The disclosure relates to a heat curable powder coating composition suitable for being cured at a temperature from 60 to 130° C. containing: a thermal initiation system and a resin system, wherein the reactivity of the thermal initiation system is such that the thermal initiation system provides a geltime between 2.5 and 1000 minutes at 60° C. in butane diol-dimethacrylate as measured according to DIN 16945 using 1 wt % of the thermal initiation system in 99 wt % of butane dioldimethacrylate, wherein the amount of thermal initiation system is chosen such that when the powder coating composition is applied to a substrate and cured at a temperature of 130° C. for 20 minutes.Type: GrantFiled: September 23, 2015Date of Patent: September 3, 2019Assignee: DSM IP ASSETS B.V.Inventors: Johan F. G. A. Jansen, Leendert Jan Molhoek, Jan Pieter Drijfhout
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Patent number: 10328455Abstract: The invention relates to a one component heat-curable powder coating composition comprising a resin containing reactive unsaturations and wherein all said reactive unsaturations are carbon carbon double bonds connected directly to an electron withdrawing group, a thermal initiation system comprising a transition metal catalyst and a peroxide, wherein the peroxide is chosen from the group of peroxyesters, mono-peroxycarbonates and mixtures thereof and a co-crosslinker chosen from the group of vinylethers, vinylesters, vinylamides, itaconates, enamines and mixtures thereof.Type: GrantFiled: September 18, 2015Date of Patent: June 25, 2019Assignee: DSM IP ASSETS B.V.Inventors: Johan F. G. A. Jansen, Jan Pieter Drijfhout
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Patent number: 10329431Abstract: The invention relates to a one component heat curable powder coating composition comprising a resin containing reactive unsaturations and wherein all said reactive unsaturations are carbon carbon double bonds connected directly to an electron withdrawing group, a thermal initiation system comprising a peroxide chosen from the group of compounds represented by formula (1) wherein R1 and R2 each independently stand for an optionally substituted alkyl of 1 to 30 C-atoms, wherein the 1 to 30 C-atoms do not include the C-atoms of the substituents or for an optionally substituted aryl of 6 to 18 C-atoms, wherein the 6 to 18 C-atoms do not include the C-atoms of the substituents, and a co-crosslinker chosen from the group of vinylethers, vinyletherurethanes, vinylesters, vinylamides, itaconates, enamines, vinylureas and mixtures thereof.Type: GrantFiled: September 25, 2015Date of Patent: June 25, 2019Assignee: DSM IP ASSETS B.V.Inventors: Johan F.G.A. Jansen, Jan Pieter Drijfhout
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Patent number: 10072179Abstract: The invention relates to a vinyl functionalized urethane resin (VFUR) useful as a curing agent in thermosetting powder coating compositions, a process for making said vinyl functionalized urethane resin, a vinyl functionalized urethane resin composition (VFURC) useful as a curing agent in thermosetting powder coating compositions, a process for making vinyl functionalized urethane resin composition, a thermosetting powder coating composition (TPCC), a process for the preparation thereof, a cured thermosetting powder coating composition, processes for coating an article with said thermosetting powder coating composition and an article coated with said thermosetting powder coating composition as well as uses of the vinyl functionalized urethane resin or of the vinyl functionalized urethane resin composition or of the thermosetting powder coating composition or of the articles having coated and cured thereon said thermosetting powder coating composition.Type: GrantFiled: April 22, 2014Date of Patent: September 11, 2018Assignee: DSM IP ASSETS B.V.Inventor: Jan Pieter Drijfhout
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Patent number: 9296917Abstract: The invention relates to a heat-curable powder coating composition comprising i) at least one crystalline polyester resin present in an amount of at most 90 wt %; and ii) at least one amorphous polyester resin; and iii) at least one crosslinking agent; and iv) at least one thermal radical initiator, wherein, the at least one crystalline polyester resin and/or the at least one amorphous polyester resin has di-acid ethylenic unsaturations; wherein the at least one crosslinking agent is either crystalline or amorphous; wherein the at least one crosslinking agent has reactive unsaturations that are reactable with the ethylenic unsaturations of the di-acid ethylenic unsaturations of the at least one crystalline polyester resin and/or the at least one amorphous polyester resin to be crosslinked, said unsaturations of the crosslinking agent are different from the unsaturations of the at least one crystalline polyester resin and the unsaturations of the at least amorphous polyester resin; wherein the wt % is based onType: GrantFiled: May 6, 2011Date of Patent: March 29, 2016Assignee: DSM IP ASSETS B.V.Inventors: Tosko Alexandar Misev, Leendert Jan Molhoek, Johan Franz Gradus Antonius Jansen, Nicole Van Der Werf, Sven Johan Wilbert Reijmer, Jan Pieter Drijfhout, Peter Wellenberg
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Publication number: 20160068707Abstract: The invention relates to a vinyl functionalized urethane resin (VFUR) useful as a curing agent in thermosetting powder coating compositions, a process for making said vinyl functionalized urethane resin, a vinyl functionalized urethane resin composition (VFURC) useful as a curing agent in thermosetting powder coating compositions, a process for making vinyl functionalized urethane resin composition, a thermosetting powder coating composition (TPCC), a process for the preparation thereof, a cured thermosetting powder coating composition, processes for coating an article with said thermosetting powder coating composition and an article coated with said thermosetting powder coating composition as well as uses of the vinyl functionalized urethane resin or of the vinyl functionalized urethane resin composition or of the thermosetting powder coating composition or of the articles having coated and cured thereon said thermosetting powder coating composition.Type: ApplicationFiled: April 22, 2014Publication date: March 10, 2016Inventor: Jan Pieter DRIJFHOUT
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Publication number: 20160017153Abstract: The invention relates to a one component heat curable powder coating composition comprising a resin containing reactive unsaturations and wherein all said reactive unsaturations are carbon carbon double bonds connected directly to an electron withdrawing group, a thermal initiation system comprising a peroxide chosen from the group of compounds represented by formula (1) wherein R1 and R2 each independently stand for an optionally substituted alkyl of 1 to 30 C-atoms, wherein the 1 to 30 C-atoms do not include the C-atoms of the substituents or for an optionally substituted aryl of 6 to 18 C-atoms, wherein the 6 to 18 C-atoms do not include the C-atoms of the substituents, and a co-crosslinker chosen from the group of vinylethers, vinyletherurethanes, vinylesters, vinylamides, itaconates, enamines, vinylureas and mixtures thereof.Type: ApplicationFiled: September 25, 2015Publication date: January 21, 2016Inventors: Johan F.G.A. JANSEN, Jan Pieter DRIJFHOUT
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Publication number: 20160009950Abstract: The invention relates to a heat curable powder coating composition suitable for being cured at a temperature from 60 to 130° C. comprising: a thermal initiation system and a resin system, wherein the reactivity of the thermal initiation system is such that the thermal initiation system provides a geltime between 2.5 and 1000 minutes at 60° C. in butane diol-dimethacrylate as measured according to DIN 16945 using 1 wt % of the thermal initiation system in 99 wt % of butane diol-dimethacrylate, wherein the amount of thermal initiation system is chosen such that when the powder coating composition is applied to a substrate and cured at a temperature of 130° C.Type: ApplicationFiled: September 23, 2015Publication date: January 14, 2016Inventors: Johan F.G.A. JANSEN, Leendert Jan MOLHOEK, Jan Pieter DRIJFHOUT
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Publication number: 20160009949Abstract: The invention relates to a one component heat-curable powder coating composition comprising a resin containing reactive unsaturations and wherein all said reactive unsaturations are carbon carbon double bonds connected directly to an electron withdrawing group, a thermal initiation system comprising a transition metal catalyst and a peroxide, wherein the peroxide is chosen from the group of peroxyesters, mono-peroxycarbonates and mixtures thereof and a co-crosslinker chosen from the group of vinylethers, vinylesters, vinylamides, itaconates, enamines and mixtures thereof.Type: ApplicationFiled: September 18, 2015Publication date: January 14, 2016Inventors: Johan F.G.A. JANSEN, Jan Pieter DRIJFHOUT
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Publication number: 20130203938Abstract: The invention relates to a heat-curable powder coating composition comprising i) at least one crystalline polyester resin present in an amount of at most 90 wt %; and ii) at least one amorphous polyester resin; and iii) at least one crosslinking agent; and iv) at least one thermal radical initiator, wherein, the at least one crystalline polyester resin and/or the at least one amorphous polyester resin has di-acid ethylenic unsaturations; wherein the at least one crosslinking agent is either crystalline or amorphous; wherein the at least one crosslinking agent has reactive unsaturations that are reactable with the ethylenic unsaturations of the di-acid ethylenic unsaturations of the at least one crystalline polyester resin and/or the at least one amorphous polyester resin to be crosslinked, said unsaturations of the crosslinking agent are different from the unsaturations of the at least one crystalline polyester resin and the unsaturations of the at least amorphous polyester resin; wherein the wt % is based onType: ApplicationFiled: May 6, 2011Publication date: August 8, 2013Applicant: DMS IP ASSETS B.V.Inventors: Tosko Alexandar Misev, Leendert Jan Molhoek, Johan Franz Gradus Antonius Jansen, Nicole Van Der Werf, Sven Johan Wilbert Reijmer, Jan Pieter Drijfhout, Peter Wellenberg
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Publication number: 20110274833Abstract: The invention relates to a one component heat curable powder coating composition system for being cured at a temperature from 60 to 130° C. comprising: a thermal initiation system and a resin system, wherein the reactivity of the thermal initiation system is such that the thermal initiation system provides a geltime between 2.5 and 1000 minutes at 60° C. in butane diol-dimethacrylate as measured according to DIN 16945 using 1 wt % of the thermal initiation system in 99 wt % of butane diol-dimethacrylate, wherein the amount of thermal initiation system is chosen such that when the powder coating composition is applied to a substrate and cured at a temperature of 130° C.Type: ApplicationFiled: November 6, 2009Publication date: November 10, 2011Inventors: Johan F.G.A. Jansen, Leendert Jan Molhoek, Jan Pieter Drijfhout