Patents Assigned to Akzo Nobel
  • Patent number: 9994449
    Abstract: The invention relates to a process for the production of chlorine dioxide comprising forming chlorine dioxide in a reaction medium in a reaction vessel and withdrawing chlorine dioxide as a gas from the reaction medium in the reaction vessel, the process further comprising adding chlorine dioxide to at least one raw material used in the process. The invention further relates to the use of chlorine dioxide for the reduction of the amount of chlorinated aromatic compounds occurring in a process for the production of chlorine dioxide.
    Type: Grant
    Filed: October 2, 2009
    Date of Patent: June 12, 2018
    Assignee: AKZO NOBEL CHEMICALS INTERNATIONAL B.V.
    Inventors: Felix Karl Torsten Hultén, Karolina Ellen Therese Appelqvist Albinsson, Kalle Hans Thomas Pelin
  • Patent number: 9988574
    Abstract: Process and station for stabilizing an aqueous solution of an iron salt of an organic acid with a ferric component and a ferrous component of less solubility than the ferric component, such as the aqueous solution based on the Fe3+ salt of meso-tartaric acid. To stabilize the content of the dissolved ferric salt, the solution is at least partly subjected to electrolytic oxidation.
    Type: Grant
    Filed: March 27, 2013
    Date of Patent: June 5, 2018
    Assignee: AKZO NOBEL CHEMICALS INTERNATIONAL B.V.
    Inventors: Hans Lammers, Johannes Albertus Maria Meijer
  • Patent number: 9988526
    Abstract: Hybrid dendrite copolymer compositions include a hybrid dendrite copolymer including at least one ethylenically unsaturated first monomer, at least one second ethylenically unsaturated second monomer and a naturally derived hydroxyl containing chain transfer agent as an end group. The at least one first and second ethylenically unsaturated monomers are on separate side chains of the naturally derived hydroxyl containing chain transfer agent. Methods of preparing a hybrid dendrite copolymer are also included.
    Type: Grant
    Filed: November 2, 2012
    Date of Patent: June 5, 2018
    Assignee: AKZO NOBEL CHEMICALS INTERNATIONAL B.V.
    Inventors: Klin Aloysius Rodrigues, Michael L. Standish
  • Patent number: 9982193
    Abstract: Process and dosing station (1) for the preparation of a solution of a non-caking agent, wherein a concentrate of the non-caking agent is circulated in a loop (6) and wherein the concentrate is subsequently diluted by water to obtain the solution. A flow of the concentrate can be drawn from the circulation loop (6) and mixed with a flow of water. The obtained solution can subsequently be fed into a second recirculation loop (12). A flow of solution can be drawn off from the second recirculation loop for being dosed into an amount of salt.
    Type: Grant
    Filed: March 27, 2013
    Date of Patent: May 29, 2018
    Assignee: AKZO NOBEL CHEMICALS INTERNATIONAL B.V.
    Inventors: Hendrikus Wilhelmus Bakkenes, Willem Ferdinand Heezen
  • Patent number: 9981285
    Abstract: Device (1) and method for dosing an aqueous solution (2) of an additive, e.g., a non-caking agent, into an amount of a particulate material, such as a salt. The device comprises a conveyor (4) for transporting the particulate material and a dispenser (5) arranged above the conveyor. The dispenser is connected to a supply for the aqueous solution. The dispenser comprises a pouring outlet (10) extending over at least a part of the width of the conveyor (4). The additive solution is poured with a controlled flow velocity over at least a part of the width of the conveyor (4) transporting the particulate material.
    Type: Grant
    Filed: December 3, 2012
    Date of Patent: May 29, 2018
    Assignee: AKZO NOBEL CHEMICALS INTERNATIONAL B.V.
    Inventors: Hendrikus Wilhelmus Bakkenes, Theodorus Johannes Maria Van Lotringen
  • Publication number: 20180132480
    Abstract: The present invention relates to an aqueous agrochemical spray solution containing an agrochemical active and a surfactant. The spray solution comprises a dispersed phase comprising dispersed particles which have an average particle size between 1 to 100 microns and the concentration of said dispersed particles is from about 0.001 to 5 wt %. The aqueous agrochemical spray solution is capable of reducing the volume of the fine droplets in mist whose size is less than 150 microns during spraying by at least 20% compared to the same aqueous spray solution without the presence of the surfactant. The present invention also relates to a method of reducing the spray drift of an aqueous agrochemical spray solution upon spraying with a spraying apparatus. The method includes adding the surfactant to the aqueous agrochemical spray solution in an amount effective to form the dispersed phase.
    Type: Application
    Filed: January 12, 2018
    Publication date: May 17, 2018
    Applicants: AKZO NOBEL CHEMICALS INTERNATIONAL B.V., DOW AGROSCIENCES LLC
    Inventors: Jinxia Susan SUN, Shawn ZHU, Martin W. MURRAY, Marcus BOONE, Michael WALTERS, Qingwen Wendy YUAN-HUFFMAN, Christine PUGLISI, Brandon Matthew DOWNER, Stephen L. WILSON
  • Patent number: 9968951
    Abstract: The present invention relates to a fluidizing unit, comprising a cardboard structure 2, a deformable receptacle 3 disposed within the cardboard structure 2, and a fluidizing means 4 disposed within the deformable receptacle 3 and comprising a container 4a and a fluidizing base 4b covering the container 4a, the container 4a and the fluidizing base 4b constituting the outer walls of a pressure chamber 4c which can be charged with compressed air, the fluidizing means 4 further comprising a supply line 4d for compressed air, which opens out via the fluidizing base into the pressure chamber, and also a seal 4e which spans the periphery of the container 4a and is designed such that the interior 5 of the deformable receptacle 3 is separated into two regions 5a and 5b separate from one another.
    Type: Grant
    Filed: March 11, 2015
    Date of Patent: May 15, 2018
    Assignee: Akzo Nobel Coatings International B.V.
    Inventor: Rolf Weber
  • Patent number: 9963534
    Abstract: Polysaccharide alkali swellable rheology modifiers include an emulsion polymer including at least one polysaccharide portion and at least one synthetic portion wherein the at least one synthetic portion is obtained from at least one anionic ethylenically unsaturated monomer, at least one nonionic ethylenically unsaturated monomer or a combination thereof, wherein at least one of the nonionic ethylenically unsaturated monomers is a hydrophobic ethylenically unsaturated monomer, as well as methods of making polysaccharide alkali swellable rheology modifiers.
    Type: Grant
    Filed: December 2, 2016
    Date of Patent: May 8, 2018
    Assignee: AKZO NOBEL CHEMICALS INTERNATIONAL B.V.
    Inventors: Klin Aloysius Rodrigues, Anthony John Adamo, Samuel Anthony Vona, Jr.
  • Patent number: 9957373
    Abstract: A method for crosslinking a copolymer of ethylene and at least one other monomer using an organic peroxide represented by Formula (1): wherein R1 is either a methyl or an ethyl group and wherein (i) R1 is a methyl group, R2 is an alkyl group having 1 to 8 carbon atoms optionally substituted with groups containing O, Si, P, S, SO— or SO2 functionalities; (ii) if R1 is an ethyl group, R2 is an alkyl group having 2 to 8 carbon atoms optionally substituted with groups containing O, Si, P, S, SO— or SO2 functionalities.
    Type: Grant
    Filed: September 8, 2014
    Date of Patent: May 1, 2018
    Assignee: AKZO NOBEL CHEMICALS INTERNATIONAL B.V.
    Inventors: Tadanaga Itou, Koichi Tateishi
  • Patent number: 9938251
    Abstract: A composition comprising at least two trimeric cyclic ketone peroxides: a trimeric cyclic methyl ethyl ketone peroxide (3MEK-cp) of formula (I) and at least one peroxide satisfying formula (II) wherein R1 through R3 are independently selected from alkyl and alkoxyalkyl groups, said groups having 2 to 5 carbon atoms, the total number of carbon plus oxygen atoms of R1?R2+R3 is in the range 7-15, and the molar ratio of 3MEK-cp to the total amount of peroxides satisfying formula (II) being in the range of from 10:90 to 80:20.
    Type: Grant
    Filed: March 9, 2015
    Date of Patent: April 10, 2018
    Assignee: AKZO NOBEL CHEMICALS INTERNATIONAL B.V.
    Inventors: Jan Martijn Van Der Schuur, Johan Nuysink, Renaud Charles Joseph Millet, Bart Fischer
  • Patent number: 9914786
    Abstract: The invention relates to a dry or slurry process to prepare phosphate-crosslinked cellulose ethers from a cellulose starting material comprising the steps of adding an alkalizing agent to the cellulose starting material to achieve mercerization, adding an ethehfying agent to the reaction mixture to achieve etherification of the cellulose, and adding a crosslinking agent to the reaction mixture to achieve crosslinking of the cellulose, wherein at least part of the alkalizing agent is added to the cellulose starting material before the etherification and/or crosslinking reactions take place to obtain alkalized cellulose; the crosslinking agent and the etherifying agent are added one after the other in random order or simultaneously; the crosslinking agent is an alkali metal thmetaphosphate; and the crosslinking and etherification steps are performed at an elevated temperature.
    Type: Grant
    Filed: July 9, 2015
    Date of Patent: March 13, 2018
    Assignee: Akzo Nobel Chemicals International B.V.
    Inventor: Paulus Pieter De Wit
  • Patent number: 9907303
    Abstract: The invention relates to a viscoelastic system for drift reduction for pesticidal formulations, and the use thereof, wherein the formulation comprising at least one nitrogen-based cationic surfactant and at least one pesticide, wherein the pesticide contains at least one acid functional group associating with the cationic surfactant thereby forming a viscoelastic formulation.
    Type: Grant
    Filed: February 20, 2015
    Date of Patent: March 6, 2018
    Assignee: AKZO NOBEL CHEMICALS INTERNATIONAL B.V.
    Inventor: Jinxia Susan Sun
  • Patent number: 9902805
    Abstract: The present invention relates to a pre-accelerated resin composition, characterized in that the resin composition comprises an unsaturated polyester resin and/or a vinyl ester resin, a soluble copper compound and a heterocyclic aromatic amine and which resin composition is essentially free of cobalt. The present invention further relates to a two component composition in which the first component comprises such a resin composition and in which the second component comprises an organic peroxide.
    Type: Grant
    Filed: July 18, 2016
    Date of Patent: February 27, 2018
    Assignee: AKZO NOBEL CHEMICALS INTERNATIONAL B.V.
    Inventors: Johan Jansen, Ronald Ivo Kraeger
  • Patent number: 9902829
    Abstract: The present invention relates to thermally expandable thermoplastic microspheres comprising a polymer shell made from ethylenically unsaturated monomers encapsulating a propellant, said ethylenically unsaturated monomers comprising from 21 to 80 wt % of methacrylamide and from 20 to 70 wt % methacrylonitrile, the total amount of methacrylamide and methacrylonitrile being from 70 to 100 wt % of the ethylenically unsaturated monomers. Furthermore, the invention relates to production and use of such microspheres.
    Type: Grant
    Filed: May 27, 2013
    Date of Patent: February 27, 2018
    Assignee: Akzo Nobel Chemicals International B.V.
    Inventor: Ove Nordin
  • Patent number: 9888683
    Abstract: The present invention relates to an aqueous agrochemical spray solution containing an agrochemical active and a surfactant. The spray solution comprises a dispersed phase comprising dispersed particles which have an average particle size between 1 to 100 microns and the concentration of said dispersed particles is from about 0.001 to 5 wt %. The aqueous agrochemical spray solution is capable of reducing the volume of the fine droplets in mist whose size is less than 150 microns during spraying by at least 20% compared to the same aqueous spray solution without the presence of the surfactant. The present invention also relates to a method of reducing the spray drift of an aqueous agrochemical spray solution upon spraying with a spraying apparatus. The method includes adding the surfactant to the aqueous agrochemical spray solution in an amount effective to form the dispersed phase.
    Type: Grant
    Filed: December 21, 2012
    Date of Patent: February 13, 2018
    Assignees: AKZO NOBEL CHEMICALS INTERNATIONAL B.V., DOW AGROSCIENCES LLC
    Inventors: Jinxia Susan Sun, Shawn Zhu, Martin W. Murray, Marcus Boone, Michael Walters, Qingwen Wendy Yuan-Huffman, Christine Puglisi, Brandon Matthew Downer, Stephen L. Wilson
  • Patent number: 9873795
    Abstract: Process for the preparation of a fiber-reinforced composite material comprising the step of contacting (i) a radically curable resin, (ii) fibers with a total water content of 0.5-20 wt %, based on the total weight of fibers, (iii) at least one transition metal compound selected from manganese, iron, and copper compounds, and (iv) a peroxide.
    Type: Grant
    Filed: January 27, 2014
    Date of Patent: January 23, 2018
    Assignee: AKZO NOBEL CHEMICALS INTERNATIONAL B.V.
    Inventors: Maria Steensma, Johannes Martinus Gerardus Maria Reijnders, Albert Roland Zuijderduin, Susana Gomes Santana, Auke Gerardus Talma
  • Patent number: 9868856
    Abstract: A mineral-compatible cationic emulsion composition with polymer stabilizers, and methods for utilizing same in paving and other applications is disclosed. In one aspect, a bitumen-in-water emulsion composition includes at least one bitumen material, at least one polymer stabilizer, at least one emulsifier, and water, where the emulsifier is a cationic surfactant, an amphoteric surfactant, or a mixture of both, and the polymer stabilizer is a natural or synthetic cationic polymer consisting of alkylene polyamines, alkyl polyamines, polyquaternary polymers, polyvinylamine, polyvinylimidazoline, polyester polyquaternary polymers, polyether polyquaternary polymers, or mixtures thereof. The inclusion of polymer stabilizer in the cationic emulsion increases the stability of the emulsion and increases the compatibility of the cationic emulsion with negatively charged minerals.
    Type: Grant
    Filed: December 2, 2015
    Date of Patent: January 16, 2018
    Assignee: Akzo Nobel Chemicals International B.V.
    Inventors: Ralph Franklin, Qiong Zhou
  • Patent number: 9868813
    Abstract: The invention comprises a thermosetting powder coating composition comprising first and second resin, the first resin being an acid functional polyester resin with an acid value below 50 mg KOH/g, the second resin being obtainable by reacting hydroxyl functional components and acid functional components, the hydroxyl functional components containing 2 hydroxyl functional groups per molecule and/or at least 3 hydroxyl functional groups per molecule, the acid functional components containing 2 acid functional groups per molecule and/or at least 3 acid functional groups per molecule, wherein more than 90 mol. % of the total of hydroxyl functional components in the second resin originate from neopentyl glycol (NPG), and from 6 to 11 mol % of the total of hydroxyl functional components and acid functional components in the second resin originating from hydroxyl functional components and/or acid functional components having at least 3 functional groups per molecule.
    Type: Grant
    Filed: May 16, 2016
    Date of Patent: January 16, 2018
    Assignee: AKZO NOBEL COATINGS INTERNATIONAL B.V.
    Inventors: Virginie Marcelle Andrée Hancill, Michele Falcone, Ergin Basar
  • Publication number: 20180002475
    Abstract: 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: Application
    Filed: July 14, 2017
    Publication date: January 4, 2018
    Applicant: Akzo Nobel Coatings International B.V.
    Inventors: Dirk Jan Vincent Christiaan Van Steenis, Hendrik Jan Willem Van Den Haak, Taco Scherer
  • Patent number: 9856392
    Abstract: Various embodiments of radiation curable coating compositions are provided. In one embodiment, a radiation curable coating composition includes a (meth)acrylate functional compound and an adhesion promoting (meth)acrylate compound. The radiation curable coating composition can also include a (meth)acrylate functional compound, a poly(meth)acrylate and a reactive diluent. The (meth)acrylate functional compound can be made from the reaction of a multifunctional isocyanate, a polyol and a hydroxyl functional (meth)acrylate in the presence of a catalyst.
    Type: Grant
    Filed: December 23, 2011
    Date of Patent: January 2, 2018
    Assignee: AKZO NOBEL COATINGS INTERNATIONAL B.V.
    Inventors: Gary Pierce Craun, Kenneth James Gardner, Patricia Miller