Patents Assigned to Akzo
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Patent number: 12275862Abstract: Embodiments herein relate to a non-aqueous liquid foul release coating composition for controlling aqueous biofouling on man-made objects comprising a moisture curable polysiloxane comprising repeating units of according to formula (I) as described in the application and at least one terminal or pendant group of according to formula (II) as described in the application; and at least one of a marine biocide or a non-volatile component comprising units selected from hydrocarbyl, heterocarbyl, halocarbyl, ether, ester, amide, ketone, siloxane, urethane or urea groups. Embodiments herein further relate to a substrate coated with such coating composition and to processes of use of such coating compositions to control aquatic biofouling of a man-made object.Type: GrantFiled: January 12, 2018Date of Patent: April 15, 2025Assignee: Akzo Nobel Coatings International B.V.Inventors: David Moore, Uwe Scheim, Kevin John Reynolds, Alison Louise Parry, Graeme Dunford, Clayton Price, Robin Alexander Heath
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Patent number: 12240995Abstract: The invention relates an aqueous coating composition comprising an acrylic polymer dissolved in a liquid phase comprising water and a water-miscible solvent, wherein the coating composition comprises at least 50 wt % water, and wherein the acrylic polymer is a film-forming polymer obtainable by free radical polymerization of a monomer mixture comprising in the range of from 30 to 70 wt % of a poly(ethyleneglycol) (meth)acrylic monomer a.; in the range of from 2 to 20 wt % of an alkoxysilyl or alkoxyalkylsilyl functional (meth)acrylic monomer b.; and in the range of from 10 to 68 wt % of a hydrophobic ethylenically unsaturated monomer c. The invention further relates to a substrate coated with such coating composition, to a process for controlling aquatic biofouling on a surface of a man-made object, and to use of such coating composition to control aquatic biofouling on a man-made object.Type: GrantFiled: March 30, 2020Date of Patent: March 4, 2025Assignee: Akzo Nobel Coatings International B.V.Inventors: James Ferguson, Alistair Andrew Finnie
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Patent number: 12234378Abstract: The present disclosure relates to a tie-coat composition comprising one or more binder polymers obtainable by copolymerizing a mixture of ethylenically unsaturated monomers, wherein the tie-coat composition provides a tie-coat with good dry adhesion, freshwater adhesion and saltwater adhesion to topcoats based on resins with condensable silane groups such as polydiorganosiloxane resins with hydrolysable groups or organic resins with terminal and/or pendant alkoxysilyl groups. The present disclosure further relates to a process for controlling aquatic fouling on a surface of a man-made object comprising applying such tie-coat composition and a topcoat composition, and to a substrate coated with a tie-coat layer deposited from such tie-coat composition and a topcoat layer.Type: GrantFiled: July 10, 2019Date of Patent: February 25, 2025Assignee: Akzo Nobel Coatings International B.V.Inventors: Kevin John Reynolds, Alison Louise Parry, Robin Alexander Heath, Graeme Dunford, Clayton Price
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Patent number: 12234373Abstract: The present disclosure relates to a two-component coating composition comprising: i) a base component comprising a di-amine resin, and ii) a curing component comprising a polyisocyanate prepolymer, wherein the two-component coating composition comprises less than 5 wt % of polyol resin. The present disclosure further relates to a method for coating a substrate using such two-component coating composition, to a coated substrate obtainable by such method, and to use of such coating composition for improving erosion resistance of a substrate.Type: GrantFiled: September 18, 2019Date of Patent: February 25, 2025Assignee: Akzo Nobel Coatings International B.V.Inventors: Dirk Seeger, Christoph Piecha, Dieter Hohnholz, Oliver Bölke, Sandra Becker
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Patent number: 12215247Abstract: The disclosure relates to a coating composition comprising a resin system comprising an organic film-forming resin and optionally a curing agent reactive with the organic film-forming resin, a lithium salt with a solubility in water in the range from 0.01 to 120 g/L at 20° C., selected from the group consisting of lithium carbonate, lithium phosphate, lithium bicarbonate, lithium tetraborate, and lithium oxalate, and a zinc salt of 2,5-dimercapto-1,3,4-thiadiazole (DMTD), wherein the zinc salt of DMTD is present as solid particles, the surface of which is at least partially covered by a layer of a film-formed polymer. The zinc salt of DMTD was shown to have a synergistic effect on reinforcement of barrier properties of a protective layer that is formed in a coating defect due to the presence of the lithium salt. In addition, the coating composition has an improved pot life.Type: GrantFiled: January 17, 2023Date of Patent: February 4, 2025Assignee: Akzo Nobel Coatings International B.V.Inventors: Peter Visser, Dimitri Theodoor Leon Van Agterveld
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Patent number: 12208415Abstract: The invention relates to a process for coating a magnet to be inserted into a pocket of a rotor comprising the steps of providing a permanent magnet, and applying a dry powder coating comprising a prepolymer, a hardener, at least one functional filler and a blowing agent. In order to avoid premature reaction of the prepolymer, the blowing agent is a chemical blowing agent. Further, the invention relates to a permanent magnet to which a process according to the invention was applied and to a rotor comprising a permanent magnet to which a process according to the invention was applied.Type: GrantFiled: October 29, 2020Date of Patent: January 28, 2025Assignee: Akzo Nobel Nederland B.V.Inventors: Arash Shaghaghi, Sarah Giersberg, Thomas Gohmann, Udo Baumheier, Birgit Buchmann
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Patent number: 12151009Abstract: Compositions comprising UV blocking agents, a film forming polymer containing acid groups and a neutralizing agent; compositions and methods for increasing the SPF of a composition by neutralizing at least a portion of the acid groups of the film forming agent with the neutralizing agent.Type: GrantFiled: July 16, 2018Date of Patent: November 26, 2024Assignees: Beiersdorf AG, Akzo Nobel Chemicals International B.VInventors: Qiwei He, Michael Timothy Philbin, Gary Theodore Martino, Thomas A. Meyer, Donathan G. Beasley, John H. Wagner
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Patent number: 12129390Abstract: The embodiments herein provide a solvent borne pigment paste comprising an alkyd, where the alkyd is obtainable by a process including the steps of a. producing an OH-functional alkyd from a non-drying oil or fatty acid, one or more polyols, and a first anhydride; where the non-drying oil or fatty acid has an iodine number ?115; b. esterification of the OH-functional alkyd with trimellitic anhydride (TMA), where at least 80% of the esterified TMA residues has two free carboxylic groups. In some embodiments, at least 85%, at least 90%, or at least 98% of the esterified TMA residues has two free carboxylic groups.Type: GrantFiled: December 17, 2018Date of Patent: October 29, 2024Assignee: Akzo Nobel Coatings International B.V.Inventors: Karel Hindrik Van Streun, Eric Harry Jacobus Rijlaarsdam
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Patent number: 12091587Abstract: A one-component moisture-curing adhesive composition is provided, comprising from 80 to 100 wt % of an isocyanate-functional prepolymer obtainable by reacting (a) a polyisocyanates mixture having an average nominal isocyanate functionality in the range of from above 2.00 to below 2.05, and (b) a polyol mixture, wherein the equivalent ratio between isocyanate groups in (a) and hydroxyl groups in (b) is in the range of from 3.5 to 7.0, wherein the content of free isocyanate groups in the adhesive composition is in the range of from 14 to 17 wt %, and wherein polyisocyanates mixture (a) comprises (a1) a diisocyanate comprising methyl diphenyl diisocyanate in excess of (a2) a uretonimine-modified methyl diphenyl diisocyanate comprising at least 3 isocyanate functional groups. A method of bonding a first piece of material to a second piece of material using such adhesive composition, and an object made from the method, are also provided.Type: GrantFiled: July 13, 2022Date of Patent: September 17, 2024Assignee: Akzo Nobel Coatings International B.V.Inventors: Shahin Akhlaghi, Hendrica Petronella Maria Verlaan-Hooft
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Patent number: 12091539Abstract: The invention relates to an aqueous binder composition comprising three different dispersed polymers: an acrylic polymer a. with a Tg between 80 and 120° C.; an acrylic polymer b. with a Tg between 40 and 60° C.; and a polyurethane modified acrylic polymer c. The binder composition can be used in a coating composition, especially in a primer composition.Type: GrantFiled: June 4, 2019Date of Patent: September 17, 2024Assignee: Akzo Nobel Coatings International B.V.Inventor: Remy Van Gorkum
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Patent number: 12054582Abstract: An alkyd resin is provided wherein the alkyd resin is obtainable by polymerization of reaction components comprising a polybasic acid, a polyhydric alcohol, and unsaturated fatty acids, or by further reacting such alkyd resin with a polyurethane prepolymer with emulsifying groups. Also provided are a coating composition comprising such alkyd resin as binder polymer, and a substrate coated with such coating composition.Type: GrantFiled: March 16, 2022Date of Patent: August 6, 2024Assignee: Akzo Nobel Coatings International B.V.Inventors: Leonardus Jacobus Petrus Van Der Boon, Iris Klein Schiphorst, Aranka Gabriëlla Maria Louisa Van Klink, Keimpe Jan Van Den Berg
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Patent number: 12049537Abstract: A fluorinated, alkoxysilyl-functional polymer is provided, obtainable by a method comprising the steps of: a) reacting an OH-functional (per)fluoropolyether (PFPE) with a polyisocyanate A under urethane formation reaction conditions, to obtain an isocyanate-functional intermediate B, b) reacting intermediate B with a secondary, alkoxysilyl-functional monoamine C, to obtain the alkoxysilyl-functional polymer. The polymer can be used as an additive in preparation of a coating with easy-clean, anti-stain and anti-scratch properties, which can advantageously be used for coating various substrates in consumer electronics or automotive applications such as glass, metal, metal alloy, anodized substrates, plastics, composite etc.Type: GrantFiled: April 9, 2021Date of Patent: July 30, 2024Assignee: Akzo Nobel Coatings International B.V.Inventors: Zheng Shi, Xingshun Chen, Quan James Huang, Puxin Fang, Lin Hong
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Patent number: 12031053Abstract: The present disclosure describes a low gloss polyurethane one component powder coating composition comprising 90 to 100 wt % of a resin system comprising a thermosetting resin, an isocyanate curing agent for reacting with the thermosetting resin, and a polycarbonate diol, wherein: the thermosetting resin comprises a first hydroxyl functional polyester resin (i) having a hydroxyl value of between 200 and 250 mgKOH/g and a second hydroxyl functional polyester resin (ii) having a hydroxyl value of between 20 and 40 mgKOH/g, the weight ratio of (i):(ii) ranges from 15:85 to 35:65, the isocyanate curing agent comprises at least one unblocked uretdione curing agent, the ratio of isocyanate groups of the curing agent to hydroxyl group of the thermosetting ranges between 0.8 to 1.2, and the total weight % of the polycarbonate diol in the coating composition ranges from 1 to 10 wt % based on the total weight of the coating composition.Type: GrantFiled: October 15, 2020Date of Patent: July 9, 2024Assignee: Akzo Nobel Coatings International B.V.Inventor: Gabriela Budurlean
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Patent number: 12024641Abstract: A kit of parts is provided, comprising: in one part a) a water-borne stain; and, in another part b) a water-immiscible organic solvent-borne stain, wherein said water-borne stain is essentially free of resin and further contains at least one water-miscible organic solvent. Additionally, a method of coloring a wooden substrate is described, comprising the steps of: a) applying a water-borne stain to a surface of the wooden substrate, wherein the water-borne stain is essentially free of resin and comprises at least one water-miscible organic solvent; and thereafter b) applying a water-immiscible organic solvent-borne stain to said surface.Type: GrantFiled: July 28, 2020Date of Patent: July 2, 2024Assignee: Akzo Nobel Coatings International B.V.Inventors: Stephen Edward Johnson, Heath G. Saunders, F. Brent Neal
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Patent number: 11920052Abstract: The present disclosure relates to an aqueous dispersion of a carboxyl-functional, unsaturated polyester containing a perfluoropolyether block prepared by the following steps: a) subjecting a carboxyl-terminated perfluoropolyether C to a reaction with an ethylenically unsaturated epoxy-functional compound D in the presence of compound E, wherein compound E is a carboxylic acid or anhydride with functionality of at least 2, to obtain carboxyl-functional, unsaturated polyester F, and b) neutralizing carboxyl-functional, unsaturated polyester F with a neutralizer G and dispersing it in water. The dispersion can be used to prepare a waterborne, UV-curable coating composition and used for easy-clean coatings for various substrates.Type: GrantFiled: July 29, 2020Date of Patent: March 5, 2024Assignee: Akzo Nobel Coatings International B.V.Inventors: Jianhui Wang, Zhenglin Xu, Hong Lin
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Patent number: 11900507Abstract: A computer implemented method and system for generating a visualization of a stained wood substrate are provided. The method includes receiving an image of the wood substrate to be stained; subdividing the image i-14 into a plurality of sub-images, each sub-image corresponding to the portion of the image having a color falling in a respective one of color bands; for each sub-image, retrieving a reflectance curve representative for the wood substrate for the color corresponding to the sub-image; retrieving absorption and scattering values for the stain; for each sub-image, determining the reflectance curve representative for the stained wood based on the absorption and scattering values for the stain and the reflectance curve for the wood substrate for that sub-image; and for each pixel of each sub-image, determining a color based on the reflectance curve representative for the stained wood, resulting in a generated image of the substrate after applying the stain.Type: GrantFiled: June 29, 2020Date of Patent: February 13, 2024Assignee: Akzo Nobel Coatings International B.V.Inventors: Margot Julia Vlot, Peter Mark Spiers, Eric Jacob Jan Kirchner
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Patent number: 11865574Abstract: The invention relates to a method of coating an article and to a coated article. A method according to the invention comprises: providing a substrate coated with a first powder coating layer; optionally heating the substrate and first layer so as to at least partially melt or soften the first powder coating layer, wherein said first powder coating layer is not or only partially cured; applying a second powder coating layer on said first layer; and curing said first and second layer.Type: GrantFiled: January 7, 2020Date of Patent: January 9, 2024Assignee: Akzo Nobel Coatings International B.V.Inventors: Michael Denis McCormick, Oriol Aixala-Marimon, Frank Zimmermann
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Patent number: 11613667Abstract: The embodiments herein relate to a composition of a fluorinated polyurethane acrylate resin and a polyurethane acrylate resin, which, upon curing, is durable and has anti-stain and anti-scratch properties. The preparation of the composition is conducted with a one-pot multicomponent synthesis process, wherein multiple components are put together to carry out reactions simultaneously. The process is especially suitable for industrial scale production, and open for adding additive components to further adjust the performance of the prepared composition. The embodiments herein also relate to oligomers prepared in the synthesis process, as well as the use of the composition or oligomer to form a coating onto a substrate.Type: GrantFiled: December 21, 2018Date of Patent: March 28, 2023Assignee: Akzo Nobel Coatings International B.V.Inventors: Zheng Shi, Jianhui Wang, Junbiao Lu, Zhenglin Xu, Shili Xing
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Patent number: 11530333Abstract: The present disclosure provides for a coating composition system suitable for forming a stain resistant and soft tactile texture coating onto a variety of substrate materials including plastic materials, metal materials, ceramic materials, and concrete materials. The coating composition system can be cured under mild curing conditions, and provides the resulting coating with excellent properties in terms of adhesion to the substrates, strength, and abrasion resistance. The present disclosure also provides for a method for preparing the coating composition system, and the use thereof.Type: GrantFiled: December 26, 2016Date of Patent: December 20, 2022Assignee: Akzo Nobel Coatings International B.V.Inventors: Xiaoguang Han, Junbiao Lu
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Patent number: 11518906Abstract: The present disclosure relates to a 2K coating composition comprising a polysiloxane-modified polyurethane and a hardener, wherein the polysiloxane-modified polyurethane obtainable by a method comprising the following steps: a) subjecting a polyol to a reaction with an isocyanate-functional silane coupling agent to obtain a silane-grafted polyol, and b) subjecting the silane-grafted polyol to a condensation reaction with a hydroxyl-functional polysiloxane, to obtain the polysiloxane-modified polyurethane. The polysiloxane-modified polyurethane can be used in a coating composition to form a coating which has smooth feel, stain resistance and easy clean properties, particularly desired in the field of e.g. consumer electronics and automotive industry.Type: GrantFiled: July 26, 2019Date of Patent: December 6, 2022Assignee: Akzo Nobel Coatings International B.V.Inventors: Jintao Zhang, Jihai Xu, Jin Hyun Kim, Junbiao Lu