Patents by Inventor Hendrik Jan Willem Van Den Haak
Hendrik Jan Willem Van Den Haak 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: 10144795Abstract: The invention relates to a non-aqueous coating composition comprising a. a polyisocyanate, b. a polyol having an average functionality of more than 3 hydroxyl groups per molecule, c. a metal based curing catalyst for the addition reaction of isocyanate groups and hydroxyl groups, and d. a mercapto carboxylic acid, wherein the coating composition does not contain a carboxylic acid wherein the carbonyl group of the carboxylic acid is in conjugation with a ?-electron system.Type: GrantFiled: July 14, 2017Date of Patent: December 4, 2018Assignee: Akzo Nobel Coatings International B.V.Inventors: Dirk Jan Vincent Christiaan Van Steenis, Hendrik Jan Willem Van Den Haak, Taco Scherer
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Patent number: 10000660Abstract: The invention relates to a thiol-functional organic compound having on average at least 3.1 thiol groups per molecule, and having carbon atoms, oxygen atoms, and sulfur atoms, and optionally further heteroatoms, and wherein the ratio of the number of carbon atoms (C) to the sum of the number of heteroatoms (HA), (C/HA) is at least 2.0, and wherein the thiol groups are derived from 2-mercapto acetic acid, 2-mercapto propionic acid, or 3-mercapto propionic acid, or esters thereof; and to a liquid coating composition comprising the thiol-functional compound and a thiol-reactive crosslinker.Type: GrantFiled: December 9, 2013Date of Patent: June 19, 2018Assignee: AKZO NOBEL COATINGS INTERNATIONAL B.V.Inventors: Ronald Petrus Clemens Van Gaalen, Rogier Van Gemert, Hendrik Jan Willem Van Den Haak, Nicolaas Jacob Van Beelen
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Publication number: 20180002475Abstract: The invention relates to a non-aqueous coating composition comprising a. a polyisocyanate, b. a polyol having an average functionality of more than 3 hydroxyl groups per molecule, c. a metal based curing catalyst for the addition reaction of isocyanate groups and hydroxyl groups, and d. a mercapto carboxylic acid, wherein the coating composition does not contain a carboxylic acid wherein the carbonyl group of the carboxylic acid is in conjugation with a ?-electron system.Type: ApplicationFiled: July 14, 2017Publication date: January 4, 2018Applicant: Akzo Nobel Coatings International B.V.Inventors: Dirk Jan Vincent Christiaan Van Steenis, Hendrik Jan Willem Van Den Haak, Taco Scherer
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Patent number: 9745401Abstract: The invention relates to a non-aqueous coating composition comprising a. a polyisocyanate, b. a polyol having an average functionality of more than 3 hydroxyl groups per molecule, c. a metal based curing catalyst for the addition reaction of isocyanate groups and hydroxyl groups, and d. a mercapto carboxylic acid, wherein the coating composition does not contain a carboxylic acid wherein the carbonyl group of the carboxylic acid is in conjugation with ?-electron system.Type: GrantFiled: October 19, 2009Date of Patent: August 29, 2017Assignee: Akzo Nobel Coatings International B.V.Inventors: Dirk Jan Vincent Christiaan Van Steenis, Hendrik Jan Willem Van Den Haak, Taco Scherer
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Publication number: 20150315415Abstract: The invention relates to a thiol-functional organic compound having on average at least 3.1 thiol groups per molecule, and having carbon atoms, oxygen atoms, and sulfur atoms, and optionally further heteroatoms, and wherein the ratio of the number of carbon atoms (C) to the sum of the number of heteroatoms (HA), (C/HA) is at least 2.0, and wherein the thiol groups are derived from 2-mercapto acetic acid, 2-mercapto propionic acid, or 3-mercapto propionic acid, or esters thereof; and to a liquid coating composition comprising the thiol-functional compound and a thiol-reactive crosslinker.Type: ApplicationFiled: December 9, 2013Publication date: November 5, 2015Inventors: Ronald Petrus Clemens VAN GAALEN, Rogier VAN GEMERT, Hendrik Jan Willem VAN DEN HAAK, Nicolaas Jacob VAN BEELEN
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Patent number: 8969438Abstract: Non-aqueous pigment concentrate comprising one or more pigments, one or more dispersants, and at least one resin, characterized in that the resin is a polyester comprising at least one oligo-ester building block with a hydrophobic tail linked thereto, wherein the hydrophobic tail is selected from the group consisting of: (a) branched hydrocarbons, (b) hydrocarbons containing a cyclic group, and (c) linear hydrocarbons, provided that when said linear hydrocarbon is linked to the oligo-ester building block via an ester group, the linear hydrocarbon contains 3 to 12 carbon atoms.Type: GrantFiled: September 24, 2007Date of Patent: March 3, 2015Assignee: Akzo Nobel Coatings International B.V.Inventors: Hendrik Jan Willem Van Den Haak, Jamie MacLiver Roy, Claudio Argentino Di Lullo, Colin Cameron, Lorenzo Soldavini, Bhuvaneswaran Ganesh
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Publication number: 20110212267Abstract: The invention relates to a non-aqueous coating composition comprising a. a polyisocyanate, b. a polyol having an average functionality of more than 3 hydroxyl groups per molecule, c. a metal based curing catalyst for the addition reaction of isocyanate groups and hydroxyl groups, and d. a mercapto carboxylic acid, wherein the coating composition does not contain a carboxylic acid wherein the carbonyl group of the carboxylic acid is in conjugation with ?-electron system.Type: ApplicationFiled: October 19, 2009Publication date: September 1, 2011Inventors: Dirk Jan Vincent Christiaan Van Steenis, Hendrik Jan Willem Van Den Haak, Taco Scherer
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Patent number: 7842757Abstract: The invention relates to a solid pigment preparation comprising a pigment and a dispersant resin, wherein the composition comprises at least 35% by weight of at least one pigment and at most 65% by weight of dispersant resin, calculated on the combined weight of pigment and dispersant resin, wherein the dispersant resin comprises a polymer backbone produced by chain-reaction polymerization having pendent hydrophilic polyalkylene oxide side groups, and wherein the pigment particles within the preparation have average particle sizes in the range of 50 nm to 5,000 nm.Type: GrantFiled: October 3, 2006Date of Patent: November 30, 2010Assignee: Akzo Nobel Coatings International B.V.Inventors: Jamie MacLiver Roy, Hendrik Jan Willem Van Den Haak, Roger Francis Graham Brown
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Publication number: 20100010150Abstract: Non-aqueous pigment concentrate comprising one or more pigments, one or more dispersants, and at least one resin, characterized in that the resin is a polyester comprising at least one oligo-ester building block with a hydrophobic tail linked thereto, wherein the hydrophobic tail is selected from the group consisting of: (a) branched hydrocarbons, (b) hydrocarbons containing a cyclic group, and (c) linear hydrocarbons, provided that when said linear hydrocarbon is linked to the oligo-ester building block via an ester group, the linear hydrocarbon contains 3 to 12 carbon atoms.Type: ApplicationFiled: September 24, 2007Publication date: January 14, 2010Applicant: AKZO NOBEL COATINGS INTERNATIONAL B.V.Inventors: Hendrik Jan Willem Van Den Haak, Jamie MacLiver Roy, Claudio Argentino Di Lullo, Colin Camerron, Lorenzo Soldavini, Bhuvaneswaran Ganesh
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Publication number: 20090030139Abstract: The invention relates to a solid pigment preparation comprising a pigment and a dispersant resin, wherein the composition comprises at least 35% by weight of at least one pigment and at most 65% by weight of dispersant resin, calculated on the combined weight of pigment and dispersant resin, wherein the dispersant resin comprises a polymer backbone produced by chain-reaction polymerization having pendent hydrophilic polyalkylene oxide side groups, and wherein the pigment particles within the preparation have average particle sizes in the range of 50 nm to 5,000 nm.Type: ApplicationFiled: October 3, 2006Publication date: January 29, 2009Applicant: Akzo Nobel Coatings International B.V.Inventors: Jamie MacLiver Roy, Hendrik Jan Willem Van Den Haak, Roger Francis Graham Brown