Patents Assigned to Akzo
  • Patent number: 9085649
    Abstract: Aqueous suspension comprising 35-45 wt % of solid diacyl peroxide particles having a d50 in the range 1-10 microns, 0.05-1 wt % of a dispersant, and not more than 1 wt % of an organic solvent. This concentrated peroxide suspension comprises only a minor amount of dispersant, has a low volatile organic content and is nonetheless stable for months and low in viscosity.
    Type: Grant
    Filed: March 31, 2010
    Date of Patent: July 21, 2015
    Assignee: AKZO NOBEL CHEMICALS INTERNATIONAL B.V.
    Inventor: Boen Ho O
  • Patent number: 9080043
    Abstract: An aqueous viscoelastic composition is provided comprising at least one viscoelastic surfactant, and at least one hydrophobically modified polymer, which is formed from polymerization of ethylenically unsaturated monomers; has a number average molecular weight of from 1,000 to 100,000 Da; and to a level of at least 0.1 mole %, based on the amount of monomer units in the polymer, contains monomeric units each covalently bonded to a pendant, optionally alkoxylated, hydrocarbyl group having from 6 to 40 carbon atoms, said pendant, optionally alkoxylated, hydrocarbyl group being connected to the backbone of said hydrophobically modified polymer via a non-ester containing linking group.
    Type: Grant
    Filed: December 15, 2011
    Date of Patent: July 14, 2015
    Assignee: AKZO NOBEL CHEMICALS INTERNATIONAL B.V.
    Inventors: Qingwen Wendy Yuan-Huffman, Klin Aloysius Rodrigues, Jian Zhou, Stuart Peter Robert Holt, Elliot Isaac Band
  • Patent number: 9080133
    Abstract: The present invention relates to glutamic acid N,N-diacetic amide, potassium or sodium glutamate N,N-diacetic amide, glutamic acid N-acetic amide N-acetonitrile, potassium or sodium glutamate N-acetic amide N-acetonitrile, to processes to prepare such compounds and the use thereof.
    Type: Grant
    Filed: August 14, 2008
    Date of Patent: July 14, 2015
    Assignee: AKZO NOBEL N.V.
    Inventors: Tjerk Oedse Boonstra, Martin Heus, Axel Carstens, Jim Lepage
  • Patent number: 9079833
    Abstract: Process for the preparation of polysulfide of formula (I) HS—(CH2)n—O—(CH2)m—O—(CH2)p—[S—S—CH2)nO—(CH2)m—O—(CH2)p]q—SH (I) wherein m is an integer in the range 1 to 4, n and p are integers in the range 1-10, and q is an integer in the range 1-60, by oxidizing a bismercaptodiether compound of formula (II) HS—(CH2)n—O—(CH2)m—O—(CH2)p—SH (II) with elemental sulfur in the presence of a base and a protic solvent. This process has a high selectivity towards linear disulfides.
    Type: Grant
    Filed: April 10, 2012
    Date of Patent: July 14, 2015
    Assignees: SHANGHAI ICI RESEARCH & DEVELOPMENT & MANAGEMENT CO. LTD., AKZO NOBEL CHEMICALS INTERNATIONAL B.V.
    Inventors: Olaf Klobes, Jing He
  • Patent number: 9072683
    Abstract: The present invention is directed to the use of xanthan gum, particularly heat treated xanthan gum, as a fixative in hair cosmetic compositions. Xanthan gum is advantageous in that it may be used with other hair fixatives and provides rheology modifying and other properties including excellent stiffness, gloss, dry comb, wet comb, non-flake, anti-static, feel and high humidity curl retention.
    Type: Grant
    Filed: July 18, 2002
    Date of Patent: July 7, 2015
    Assignee: AKZO NOBEL N.V.
    Inventors: Hongjie Cao, Gary T. Martino, Paul H. Richardson
  • Patent number: 9073848
    Abstract: The present invention pertains to a process for separating monochloroacetic acid and dichloroacetic acid from one another via extractive distillation, comprising the steps of (i) contacting a mixture comprising monochloroacetic acid and dichloroacetic acid with an extractive agent which is chemically stable and which has a BF3 affinity of between 65 kJ/mole and 110 kJ/mole, (ii) distilling the mixture to obtain a monochloroacetic acid stream and a stream comprising dichloroacetic acid and the extractive agent, and (iii) regenerating the extractive agent.
    Type: Grant
    Filed: March 13, 2012
    Date of Patent: July 7, 2015
    Assignee: AKZO NOBEL CHEMICALS INTERNATIONAL B.V.
    Inventors: Mark Theodorus Gerardus Jongmans, Johannes Josef Pragt, Gerrald Bargeman, Boelo Schuur, Jacobus Theodorus Josef Aaldering, André Banier De Haan, Melle Rinze Nieuwhof, Paul Verwer, Anton Alexandru Kiss, Antoon Jacob Berend Ten Kate, Cornelis Johannes Govardus Van Strien
  • Publication number: 20150183733
    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: Application
    Filed: March 11, 2015
    Publication date: July 2, 2015
    Applicant: 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
  • Publication number: 20150176209
    Abstract: The present invention relates to a process for the production of paper and board which comprises: (a) introducing one or more fillers, one or more anionic polysaccharides and one or more cationic agents into a mixing zone to form a filler composition; (b) introducing by means of a pump the filler composition into an aqueous suspension comprising cellulosic fibres; and (c) dewatering the obtained suspension. The present invention also relates to a process for the production of a filler composition which comprises: (a) introducing one or more fillers, one or more anionic polysaccharides and one or more cationic agents into a mixing zone to form a filler composition; (b) introducing by means of a pump the filler composition into a storage tank.
    Type: Application
    Filed: March 4, 2015
    Publication date: June 25, 2015
    Applicant: AKZO NOBEL CHEMICALS INTERNATIONAL B.V.
    Inventor: Patrik SIMONSON
  • Patent number: 9062170
    Abstract: The 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 40 to 70 wt % of acrylonitrile, from 5 to 40 wt % of methacrylonitrile, from 10 to 50 wt % of monomers selected from the group consisting of esters of acrylic acid, esters of methacrylic acid and mixtures thereof, and said propellant comprising at least one of methane, ethane, propane, isobutane, n-butane and neo-pentane. The invention further relates to the production and use of the microspheres.
    Type: Grant
    Filed: May 3, 2011
    Date of Patent: June 23, 2015
    Assignee: AKZO NOBEL N.V.
    Inventors: Ove Nordin, Heléne Ström, Christina Nyholm, Claes Hammer
  • Publication number: 20150157543
    Abstract: Film-forming compositions comprising 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: Application
    Filed: February 17, 2015
    Publication date: June 11, 2015
    Applicant: AKZO NOBEL CHEMICALS INTERNATIONAL B.V.
    Inventors: Qiwei He, Michael T. Philbin, Gary T. Martino, Thomas A. Meyer, Donathan G. Beasley, John H. Wagner, JR.
  • Patent number: 9051406
    Abstract: Graft dendrite copolymers derived from at least one ethylenically unsaturated first monomer, at least one second ethylenically unsaturated second monomer and a natural hydroxyl containing component as an end group. The at least one first and second ethylenically unsaturated monomers are on separate side chains of the natural hydroxyl containing component. Methods of preparing a graft dendrite copolymer are also included.
    Type: Grant
    Filed: November 2, 2012
    Date of Patent: June 9, 2015
    Assignee: AKZO NOBEL CHEMICALS INTERNATIONAL B.V.
    Inventor: Klin Aloysius Rodrigues
  • Patent number: 9045650
    Abstract: A film-forming polymer with improved chemical stability in antifouling coating applications, said polymer bearing pendant to its backbone a salt of (i) a basic group with a first pKa of the conjugate acid of at least 4.0 and (ii) an organic acid with a first pKa of 2.0 or less; said basic group being covalently bonded to the polymer backbone.
    Type: Grant
    Filed: August 10, 2009
    Date of Patent: June 2, 2015
    Assignee: AKZO NOBEL COATINGS INTERNATIONAL B.V.
    Inventors: Alistair Andrew Finnie, Clayton Price, Richard Mark Ramsden
  • Patent number: 9044779
    Abstract: A method for the application of at least two different powder coating layers to a substrate comprising the steps of application of a first powder coating layer followed by the application of a second powder coating layer, without any substantial curing of the first powder coating layer prior to the application of the second powder coating layer, followed by the simultaneous curing of the first powder coating layer and the second powder coating layer, wherein the first powder coating layer is applied to the substrate using a corona charging system and the second powder coating layer is applied to the substrate using a tribo charging system, or the first powder coating layer is applied to the substrate using a tribo charging system and the second powder coating layer is applied to the substrate using a corona charging system and the first powder coating layer and second powder coating layer have an opposite electrostatic polarity.
    Type: Grant
    Filed: April 27, 2011
    Date of Patent: June 2, 2015
    Assignee: AKZO NOBEL COATINGS INTERNATIONAL B.V.
    Inventors: Steven Thomas Thompson, Robert Edward Barker, Neil Lewis Engward, Gavin John Scott
  • Patent number: 9040608
    Abstract: The present invention relates to a curable mixture suitable for obtaining “easy-to-clean” properties in the cured mixture, comprising at least one mineral binder, a powder comprising at least one fluoroorganyl-substituted silicon compound encapsulated in a water-soluble polymer, the amount of the silicon compound being 0.001% to 8% by weight, based on the present mixture, and optionally further adjuvants, and also to a process for preparing the mixture and to the use thereof. The invention further relates to a water-redispersible powder and also to a corresponding intermediate for use in the curable mixture in order to obtain “easy-to-clean” properties in the cured mixture. Also claimed, furthermore, is a process for preparing the powder, and the use thereof.
    Type: Grant
    Filed: March 30, 2011
    Date of Patent: May 26, 2015
    Assignees: Evonik Degussa GmbH, Akzo Nobel Chemicals International B.V.
    Inventors: Manuel Friedel, Philipp Albert, Burkhard Standke, Spomenko Ljesic, Ulf Kehrer
  • Publication number: 20150139930
    Abstract: Personal Care compositions including one or more narrow molecular weight range copolymers have certain weight average molecular weights that provide low viscosity profiles and improved spray performance while also providing improved shampoo removability, hold, stiffness and feel compared to un-fractionated copolymers.
    Type: Application
    Filed: June 11, 2013
    Publication date: May 21, 2015
    Applicant: Akzo Nobel Chemicals International B.V.
    Inventors: Rama Subramanium Chandran, Michael Timothy Philbin
  • Patent number: 9034785
    Abstract: Solution suitable for accelerating the cure of a curable resin using a peroxide, said accelerator solution comprising (i) at least one organic solvent, (ii) a manganese salt, a copper salt, or a combination thereof, and (iii) an iron complex of a tetradentate, pentadentate or hexadentate nitrogen donor ligand.
    Type: Grant
    Filed: June 14, 2011
    Date of Patent: May 19, 2015
    Assignee: AKZO NOBEL CHEMICALS INTERNATIONAL B.V.
    Inventors: Frederik Willem Karel Koers, Johannes Martinus Gerardus Maria Reijnders, Auke Gerardus Talma, Johannes Hermanus Ter Beek
  • Publication number: 20150132521
    Abstract: The invention relates to a thermoformable paint film laminate comprising, in the following order, a) a backing sheet layer of thermoplastic resin, b) optionally, an adhesive layer, c) at least one intermediate layer, d) a low-gloss soft-feel layer having a surface having a gloss at 60° of at most 20 gloss units, e) a pressure-sensitive adhesive layer having a higher adhesion to the removable protective layer f) than to the low-gloss soft-feel layer d), and f) a removable protective layer, wherein the low-gloss soft-feel layer d) is obtained by applying a liquid coating composition on the at least one intermediate layer c) and drying and curing the liquid coating composition, and wherein the liquid coating composition comprises a polycarbonate diol and a hydroxyl-reactive crosslinker.
    Type: Application
    Filed: February 14, 2013
    Publication date: May 14, 2015
    Applicant: Akzo Nobel Coatings International B.V.
    Inventors: Matthew Paul Amick, Alexander Leo Yahkind, James Anthony Kostecki, Quan Song
  • Patent number: 9028968
    Abstract: Coating composition comprising the reaction product of a tetra-alkoxyorthosilicate or a partially condensed oligomer thereof and an epoxy resin containing hydroxyl groups, said coating composition having a solids content of at least 70 vol % and/or a volatile organic content (VOC) not exceeding 250 g/l. This coating composition gives fast curing at ambient and sub-ambient temperatures and an extended pot life.
    Type: Grant
    Filed: August 7, 2008
    Date of Patent: May 12, 2015
    Assignee: Akzo Nobel Coatings International B.V.
    Inventors: Steven Alister Nixon, Susan Pritchard, Adrian Ferguson Andrews
  • Patent number: 9029470
    Abstract: Latex emulsions are disclosed which can be used in the formation of coating compositions that are not water sensitive, have good blush resistance and retortability. In some embodiments, the coating compositions are used to coat substrates such as cans and packaging materials for the storage of food and beverages. Coating compositions can be prepared by mixing an ethylenically unsaturated monomer component and a stabilizer comprising a strong acid, in a carrier to form a monomer emulsion, reacting the monomer emulsion with an initiator to form the latex emulsion, and reacting the latex emulsion with a neutralizer. Methods of coating substrates with the coating compositions, and substrates coated with the coating compositions are also disclosed.
    Type: Grant
    Filed: February 22, 2010
    Date of Patent: May 12, 2015
    Assignee: Akzo Nobel Coatings International B.V.
    Inventors: Jude Thomas Rademacher, Gary Charles Pompignano, Willy P Kulhanek
  • Patent number: 9023167
    Abstract: A process for coating a substrate comprising the sequential steps of (a) providing a transfer sheet provided with a printed powder coating, (b) applying the transfer sheet onto the substrate with the powder coating in contact with the substrate, (c) removing the transfer sheet from the powder coating and (d) curing the powder coating on the substrate.
    Type: Grant
    Filed: April 18, 2008
    Date of Patent: May 5, 2015
    Assignee: Akzo Nobel Coatings International B.V.
    Inventor: Kevin Jeffrey Kittle