Patents Assigned to Akzo Nobel Chemical International B.V.
  • Process to prepare a chelating agent or precursor thereof using a cyanide salt
    Patent number: 9334232
    Abstract: The present invention relates to a process comprising the reaction of a cyanide with an amino acid and an aldehyde, characterized in that the cyanide is a cyanide salt, the amino acid is aspartic acid and/or glutamic acid in the acidic form, and the process is performed under acidic pH by the addition of between 0 and 1 equivalent of an acid based on the amount of aspartic or glutamic acid.
    Type: Grant
    Filed: June 3, 2010
    Date of Patent: May 10, 2016
    Assignee: AKZO NOBEL CHEMICALS INTERNATIONAL B.V.
    Inventors: Hans Lammers, Martin Heus, Tjerk Oedse Boonstra, Adrianus Maria Reichwein
  • CONCENTRATED AGRICULTURAL COMPOSITION
    Publication number: 20160106094
    Abstract: A concentrated agriculturally active composition is provided, comprising from 5 to 40 wt %, of least one agriculturally active ingredient having a water solubility of at most 1 g/l; at least 20 wt % of at least one cationic surfactant; from 0.1 to 50 wt % of at least one organic solvent, and optionally further agriculturally acceptable additives, wherein the weight ratio of the at least one agriculturally active ingredient to the at least one cationic surfactant is at most 1:2.
    Type: Application
    Filed: March 24, 2014
    Publication date: April 21, 2016
    Applicant: Akzo Nobel Chemicals International B.V.
    Inventors: Marcos Antonio Rodrigues Oliveira, Natalia Goncalves
  • Monoalkyl sulfosuccinates in pesticide formulations and applications
    Patent number: 9307757
    Abstract: The present invention comprises formulations for use as pesticides and their applications. The formulations include a monoalkylsulfosuccinnate as a hydrotrope. The pesticide may be a herbicide comprising glufosinate-ammonium.
    Type: Grant
    Filed: September 21, 2010
    Date of Patent: April 12, 2016
    Assignee: AKZO NOBEL CHEMICALS INTERNATIONAL B.V.
    Inventors: Giao Vinh Nguyen, Mark Alexander
  • Accelerator for curing resins
    Patent number: 9255196
    Abstract: 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: Grant
    Filed: March 21, 2012
    Date of Patent: February 9, 2016
    Assignee: AKZO NOBEL CHEMICALS INTERNATIONAL B.V.
    Inventor: Frederik Willem Karel Koers
  • Alkyd-based coating composition
    Patent number: 9249317
    Abstract: The present invention relates to a coating composition comprising: a) silanized colloidal silica particles; b) alkyd-containing binder; c) a carrier fluid, wherein the coating composition is essentially free from a cobalt-based drier. The present invention also relates to a method of producing a coating composition and the use of such coating composition for coating of a substrate.
    Type: Grant
    Filed: March 23, 2012
    Date of Patent: February 2, 2016
    Assignee: AKZO NOBEL CHEMICAL INTERNATIONAL B.V.
    Inventors: Peter Harry Johan Greenwood, Hans Lagnemo
  • Use of Cationic Surfactants In the Cyanidation of Refractory Carbonaceous Ores for Recovery of Metals
    Publication number: 20160024613
    Abstract: A process for recovery of precious metals from ores or concentrates containing refractory carbonaceous material by cyanidation leaching. The process involves addition to the ores or concentrates at least one cationic surfactant before or during the addition of cyanide-containing solution. The agent enables the recovery of precious metals by cyanidation from high preg-robbing carbonaceous ores and improves the recovery of precious metals by cyanidation from medium to low preg-robbing carbonaceous ores. The agent also prevents froth and foaming formation during the cyanidation process.
    Type: Application
    Filed: April 17, 2014
    Publication date: January 28, 2016
    Applicant: Akzo Nobel Chemicals International B.V.
    Inventors: Qiong Zhou, Junhua Jiang, Yeonuk Choi
  • Process for preparing dichlorohydrin
    Patent number: 9242916
    Abstract: The invention relates to a process wherein a stream comprising dichlorohydrin, water, and HCI is separated into a stream which is rich in dichlorohydrin and low in HCI and an aqueous HCI stream which is low in dichlorohydrin. The process involves the distillation of the mixture comprising dichlorohydrin, water, and HCI with an amount of water being added before and/or during the distillation such that the water concentration during the distillation is on the line D-E, or to the right thereof, in the phase diagram of FIG. 1.
    Type: Grant
    Filed: July 1, 2010
    Date of Patent: January 26, 2016
    Assignee: AKZO NOBEL CHEMICALS INTERNATIONAL B.V.
    Inventors: Anton Alexandru Kiss, Hendrik Jan Vos, Eilertdina Henderika Renkema, Antoon Jacob Berend Ten Kate
  • Superhydrophilic amphiphilic copolymers and processes for making the same
    Patent number: 9243074
    Abstract: A superhydrophilic amphiphilic copolymer and process for making the superhydrophilic amphiphilic copolymer includes a low molecular weight polysaccharide modified with a hydrophobic reagent, such as substituted succinic anhydride. The superhydrophilic amphiphilic copolymer system generates stable foam for use in applications, such as healthcare formulations, with low irritation of the eyes and skin.
    Type: Grant
    Filed: February 25, 2013
    Date of Patent: January 26, 2016
    Assignee: AKZO NOBEL CHEMICALS INTERNATIONAL B.V.
    Inventors: Joseph B. Gardner, Michael J. Fevola, Frank C. Sun, Russel M. Walters
  • Cellulose Ether as a Drift Control Agent and Rainfastness Agent
    Publication number: 20160015027
    Abstract: The present invention is directed to an agricultural composition comprising at least one agricultural chemical and at least one cellulose ether, wherein the cellulose ether is a nonionic methylethylhydroxyethyl cellulose (MEHEC) polymer. The present invention is also directed to a method for reducing spray drift during the spraying of an aqueous solution. The method comprises: providing a nonionic MEHEC polymer; combining the MEHEC polymer with at least one agricultural chemical to obtain the aqueous solution; and spraying the aqueous solution. Further, the present invention is also directed to a method for increasing resistance to rain wash off of an aqueous solution sprayed onto a surface. The method comprises: providing a nonionic MEHEC polymer; combining the MEHEC polymer with at least one agricultural chemical to obtain the aqueous solution; and spraying the aqueous solution onto the surface.
    Type: Application
    Filed: March 11, 2014
    Publication date: January 21, 2016
    Applicant: AKZO NOBEL CHEMICALS INTERNATIONAL B.V.
    Inventors: Jinxia Susan Sun, Qiwei He, Shawn Zhu, Logan Dempsey, Michael Walters, Peter Westbye
  • Dispersants for agricultural applications
    Patent number: 9232786
    Abstract: An agrochemical formulation and its method of manufacture comprising an agrochemical active and a dispersant polymer comprising a copolymer of benzylmethacrylate, acrylic acid and 2-acrylamido-2-methyl propane sulfonic acid.
    Type: Grant
    Filed: April 19, 2010
    Date of Patent: January 12, 2016
    Assignee: AKZO NOBEL CHEMICALS INTERNATIONAL B.V.
    Inventors: Klin A. Rodrigues, Mark Alexander
  • Viscoelastic surfactant as drift control agent in pesticide formulations
    Patent number: 9232787
    Abstract: Dual function viscoelastic surfactants (VES) which, when used in a pesticide formulation, are capable of producing a spray pattern between the patterns formed by spraying water and an aqueous pesticide solution containing guar gum as a way to reduce the drifting of the small drops to unintended targets while providing enhanced efficacy to the pesticide.
    Type: Grant
    Filed: December 7, 2011
    Date of Patent: January 12, 2016
    Assignee: AKZO NOBEL CHEMICALS INTERNATIONAL B.V.
    Inventors: Shawn Zhu, Michael Walters
  • Polyester polyamine and polyester polyquaternary ammonium corrosion inhibitors
    Patent number: 9228089
    Abstract: The present invention relates to the use of a product obtainable by the reaction of a fatty acid, or mixture of acids, having the formula R1COOH (I); and a dicarboxylic acid or a derivative thereof having the formula (IIa) or (IIb) with an alkoxylated fatty amine having the formula (III) or a partial or wholly quaternized derivative thereof; optionally said reaction between the fatty acid, the dicarboxylic acid and the alkoxylated fatty amine is being followed by a further reaction step wherein part or all of the nitrogen atoms are quaternized by reaction with an alkylating agent R5X; as a corrosion inhibitor for metal surfaces. The present invention also relates to such products and to methods for their production.
    Type: Grant
    Filed: December 23, 2011
    Date of Patent: January 5, 2016
    Assignee: AKZO NOBEL CHEMICALS INTERNATIONAL B.V.
    Inventors: Per-Erik Hellberg, Natalija Gorochovceva
  • BIOACTIVE COMPOSITIONS FROM THEACEA PLANTS AND USE THEREOF IN BEVERAGES, FUNCTIONAL FOODS, NUTRICEUTICALS, SUPPLEMENTS AND THE LIKE
    Publication number: 20150366928
    Abstract: The present invention relates to isolated bioactive compositions containing bioactive fractions derived from Theacea plants. The present invention also relates to bioactive topical formulations containing the bioactive compositions. The present invention further relates to methods of using the bioactive compositions of the present invention, including, for example, methods for inhibiting inflammatory activity in skin tissue of a mammal, for protecting skin tissue of a mammal from ultraviolet light-induced damage, and for normalizing skin disorders in skin tissue of a mammal. The present invention also relates to methods for isolating bioactive fractions derived from cell juice or a cell walls component a Theacea plant. The bioactive compositions are suitable for use in, inter alia, beverages, functional foods, nutriceuticals, supplements, and the like.
    Type: Application
    Filed: February 10, 2014
    Publication date: December 24, 2015
    Applicant: AKZO NOBEL CHEMICALS INTERNATIONAL B.V.
    Inventors: Michael KOGANOV, Olga DUEVA-KOGANOV, Artyom DUEV, Xiaowen HOU
  • ENVIRONMENTALLY FRIENDLY STIMULATION FLUIDS, PROCESSES TO CREATE WORMHOLES IN CARBONATE RESERVOIRS, AND PROCESSES TO REMOVE WELLBORE DAMAGE IN CARBONATE RESERVOIRS
    Publication number: 20150361330
    Abstract: The present invention includes processes to create wormholes in carbonate reservoirs by contacting a formation with a solution comprising glutamic acid N,N-diacetic acid (GLDA) and/or a salt thereof, methylglycine-N,N-diacetic acid (MGDA) and/or a salt thereof, or a combination thereof. The present invention also includes processes to remove wellbore damage in a carbonate reservoir by contacting a damaged zone of the carbonate reservoir with a solution comprising GLDA and/or a salt thereof, methylglycine-N,N-diacetic acid (MGDA) and/or a salt thereof, or a combination thereof. The present invention further includes solutions comprising a salt and further comprising GLDA and/or a salt thereof, methylglycine-N,N-diacetic acid (MGDA) and/or a salt thereof, or a combination thereof.
    Type: Application
    Filed: August 21, 2015
    Publication date: December 17, 2015
    Applicant: AKZO NOBEL CHEMICALS INTERNATIONAL B.V.
    Inventors: Cornelia Adriana de Wolf, Hisham Nasr-El-Din, James N. LePage, Mohamed Ahmed Nasr-El-Din Mahmoud, Johanna Hendrika Bemelaar
  • Accelerator for curing resins
    Patent number: 9206302
    Abstract: 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: Grant
    Filed: March 21, 2012
    Date of Patent: December 8, 2015
    Assignee: AKZO NOBEL CHEMICALS INTERNATIONAL B.V.
    Inventors: Johannes Martinus Gerardus Maria Reijnders, Frederik Willem Karel Koers, Auke Gerardus Talma
  • NITROGEN CONTAINING SURFACTANTS FOR AGRICULTURAL USE
    Publication number: 20150342183
    Abstract: The present invention comprises formulations for agricultural use comprising a surfactant and pesticide. The surfactants comprise nitrogen containing surfactants with N+—CH2COO?, N+—CH2COOCH3, N—CH2COO?M+, N—CH2CH2COO?M+, and/or amine oxide functionalities which enhance the pesticide activity. The pesticides include herbicides, fungicides and insecticides.
    Type: Application
    Filed: August 10, 2015
    Publication date: December 3, 2015
    Applicant: AKZO NOBEL CHEMICALS INTERNATIONAL B.V.
    Inventors: Shawn Zhu, Joshua Jurs, Elliot Isaac Band, Michael Walters
  • Process for curing thermoset resins
    Patent number: 9200143
    Abstract: 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: Grant
    Filed: August 14, 2013
    Date of Patent: December 1, 2015
    Assignee: AKZO NOBEL CHEMICALS INTERNATIONAL B.V.
    Inventors: Frederik Willem Karel Koers, Auke Gerardus Talma
  • Process for deploymerizing polysulfides and the preparation of bis-mercapto-diethers
    Patent number: 9193679
    Abstract: The invention related to a process for the preparation of a bismercaptodiether by reacting a polysulfide with a monothiol in the presence of a base and to a process for the depolymerization of a polysulfide by reacting said polysulfide with a monothiol in the presence of a base. These processes enable the preparation of bismercaptodiethers without inorganic salt formation.
    Type: Grant
    Filed: March 11, 2015
    Date of Patent: November 24, 2015
    Assignee: AKZO NOBEL CHEMICALS INTERNATIONAL B.V.
    Inventors: Rudolf Anthonius Maria Venderbosch, Hendrika Petronella Maria Verlaan-Hooft, Auke Gerardus Talma, Olaf Klobes, Ralf Tatas, Hendrik Jan Vos
  • Process for separating monochloroacetic acid and dichloroacetic acid via extractive distillation using an organic solvent
    Patent number: 9187400
    Abstract: The present invention pertains to a process for separating monochloroacetic acid and dichloroacetic acid from one another via extractive distillation using (a) an extractive agent that is chemically stable and has a BF3 affinity of between 65 kJ/mole and 110 kJ/mole and (b) an organic solvent that is either an acid with a lowest pKa of between 3.0 and 6.
    Type: Grant
    Filed: April 3, 2013
    Date of Patent: November 17, 2015
    Assignee: AKZO NOBEL CHEMICALS INTERNATIONAL B.V.
    Inventors: Johannes Jozef Pragt, Mark Theodorus Gerardus Jongmans, Gerrald Bargeman, Boelo Schuur, Jacobus Theodorus Josef Aaldering, Melle Rinze Nieuwhof, Anton Alexandru Kiss, André Banier De Haan, Alex Londoño Rodriguez, Cornelis Johannes Govardus Van Strien
  • Aqueous silanized silica dispersion
    Patent number: 9187647
    Abstract: The present invention relates to a method of producing an aqueous dispersion of silanized colloidal silica particles comprising mixing in an aqueous medium a) at least one silane compound containing an epoxy-functionality, b) at least one silane compound having no epoxy-functionality capable of modifying colloidal silica particles; and c) colloidal silica particles in any order to form an aqueous dispersion of silanized colloidal silica particles containing silane compounds originating from a) and b). It also relates to a dispersion obtainable by said method and to the use thereof in coating applications.
    Type: Grant
    Filed: March 10, 2010
    Date of Patent: November 17, 2015
    Assignee: AKZO NOBEL CHEMICALS INTERNATIONAL B.V.
    Inventors: Peter Harry Johan Greenwood, Hans Lagnemo, Martin Lagnemo