Patents Assigned to Akzo Nobel N.V.
  • Patent number: 8673819
    Abstract: The present invention teaches a surfactant blend composition of at least one nonionic alkoxylate and at least one sugar-based surfactant, and its use as an adjuvant for pesticides. The pesticidal composition employing the surfactant blend composition of the invention realizes an efficacy that is unexpectedly superior to similar pesticidal compositions which employ only the individual surfactant components. The composition of the present invention is useful as a tank side additive, or as a component in herbicidal formulations. In addition the compositions of the present invention are useful as adjuvants for other pesticides, such as, fungicides, insecticides, plant growth regulators, acaracides and the like.
    Type: Grant
    Filed: July 3, 2009
    Date of Patent: March 18, 2014
    Assignee: Akzo Nobel N.V.
    Inventor: Jinxia Susan Sun
  • Patent number: 8674021
    Abstract: Sulfonated graft copolymer obtained by radical graft copolymerization of one or more synthetic monomers in the presence of hydroxyl-containing naturally derived materials. The graft copolymer includes 0.1 to 100 wt %, based on weight of the total synthetic monomers, of at least one monoethylenically unsaturated monomer having a sulfonic acid group, monoethylenically unsaturated sulfuric acid ester or salt thereof, with the monomer and hydroxyl-containing naturally derived materials present in a weight ratio of 5:95 to 95:5.
    Type: Grant
    Filed: July 20, 2007
    Date of Patent: March 18, 2014
    Assignee: Akzo Nobel N.V.
    Inventors: Klin A. Rodrigues, Jannifer Sanders
  • Patent number: 8663992
    Abstract: Process for thermally stabilizing a polymer containing residues of a Sn(II), Sb(III), Pb(II), Bi(III), Fe(II), Ti(II), Ti(III), Mn(II), Mn(III), or Ge(II)-containing catalyst by treating the polymer at a temperature above its melting temperature with a peroxide selected from the group consisting of ketone peroxides, hydroperoxides, peracids, hydrogen peroxide, and mixtures thereof, wherein said peroxide is used in an amount less than 0.2 wt % based on the weight of the polymer and wherein the molar ratio of peroxy functionalities from said peroxide (p) to metal (M) ranges from 1 to 100; said metal (M) being selected from the group consisting of Sn(II), Sb(III), Pb(II), Bi(III), Fe(II), Ti(II), Ti(III), Mn(II), Mn(III), and Ge(II). The invention further relates to a method for determining the metal residue content of a polymer.
    Type: Grant
    Filed: July 8, 2009
    Date of Patent: March 4, 2014
    Assignee: Akzo Nobel N.V.
    Inventors: Andreas Herman Hogt, Wilhelm Klaas Frijlink
  • Patent number: 8653009
    Abstract: The invention relates to the use of compounds comprising three hydrophobic groups as additives to a stream of crude oil containing carboxylic acids, in particular naphthenic acids, and salt water, to prevent the formation of calcium carboxylates when the fluid is exposed to shear forces. Preferably, the compounds are added to a crude oil/water stream containing organic acids Ca2+ ions at a point between the well and the pressure reduction valve in the crude oil receiving station.
    Type: Grant
    Filed: June 18, 2008
    Date of Patent: February 18, 2014
    Assignee: AKZO Nobel N.V.
    Inventors: Martin Hellsten, Ingemar Uneback
  • Patent number: 8629085
    Abstract: The present invention relates to a composition comprising a) an anionic compound having wetting and dispersing properties selected from the group of a1) an alkyl naphthalene sulfonate, a2) a naphthalene sulfonate-formaldehyde condensate that may optionally be alkyl substituted and mixtures thereof, and b) a nitrogen-containing surfactant selected from the group consisting of alkylamine alkoxylates, alkylamidoamine alkoxylates, alkanolamides and their alkoxylates, alkylamidopropylamines, betaines, amino acids, or any mixtures thereof, wherein the molar amount of anionic sulfonate and, if any are present, carboxylate groups in the composition is in excess of the molar amount of nitrogen-containing groups. These compositions exhibit synergistic wetting properties as compared to the surface-active components taken alone. Further, the compositions also exhibit an increased rainfastness.
    Type: Grant
    Filed: September 6, 2012
    Date of Patent: January 14, 2014
    Assignee: Akzo Nobel N.V.
    Inventors: Karin Bergström, Christine Strandberg
  • Patent number: 8623462
    Abstract: The present invention pertains to a water-redispersible polymer powder composition based on at least one synthetic polymer and at least one natural latex. Preferably, the polymer powder contains up to about 90 wt. % of at least one water-insoluble, synthetic polymer, up to about 90 wt. % of least one natural latex, about 0 to 50 wt. % of at least one protective colloid, about 2 to 50 wt. % of at least one filler and/or anti-caking agent, as well as optionally further additives. In addition, the invention pertains to a process for the preparation of the polymer powder composition, the use thereof as an additive in building material compositions, as well as building material compositions containing the polymer powder composition.
    Type: Grant
    Filed: June 25, 2009
    Date of Patent: January 7, 2014
    Assignee: Akzo Nobel N.V.
    Inventors: Alexander Zapf, Hans Wicki, Hongli Willimann, Urs Heini
  • Patent number: 8613832
    Abstract: The present invention relates to a drainage and retention aid composition which comprises: (d) a first anionic component which is a water-soluble anionic organic polymer; (e) a second anionic component which is a water-dispersible or branched anionic organic polymer; and (f) a third anionic component which is an anionic siliceous material; wherein the first, second and third anionic components are present in a dry matter content of from 0.01 to 50% by weight.
    Type: Grant
    Filed: February 15, 2012
    Date of Patent: December 24, 2013
    Assignee: Akzo Nobel N.V.
    Inventors: Johan Nyander, Fredrik Solhage
  • Publication number: 20130336907
    Abstract: The present invention is directed to heat treated xanthan gums, which have improved solution viscosity over other xanthan gums heat-treated under the same processing conditions while maintaining the improved ease of use and the short, non-stringy gel texture of heat treated xanthan gums. Such high solution viscosity xanthan gums are suitable in a variety of applications, including cosmetic and personal care compositions.
    Type: Application
    Filed: August 21, 2013
    Publication date: December 19, 2013
    Applicant: Akzo Nobel N.V.
    Inventors: Hongjie Cao, Gary T. Martino
  • Patent number: 8568565
    Abstract: The present invention relates to a silica-based sol having a concentration of soluble silica of less than about 1000 mg SiO2/l, conductivity of at least about 2.0 mS/cm and S-value below about 50%. The invention further relates to a method of producing a silica-based sol comprising subjecting an aqueous alkali metal silicate solution to electrodialysis to form an electrodialyzed sol, and acidifying the electrodialyzed sol to form an acidified sol having a pH in the range of from about 5.0 to about 10. The invention further relates to silica-based sol obtainable by the process and to the use of the silica-based sol as a flocculating agent. The invention further relates to a process for producing paper which comprises providing an aqueous suspension comprising cellulosic fibers, adding to the suspension one or more drainage and retention aids comprising a silica-based sol according to the invention, and dewatering the obtained suspension to provide a sheet or web of paper.
    Type: Grant
    Filed: July 10, 2009
    Date of Patent: October 29, 2013
    Assignee: Akzo Nobel N.V.
    Inventors: Marek Tokarz, Hans-Åke Baltsen
  • Patent number: 8563778
    Abstract: The present invention relates to a process to prepare ethylene amines by the amination of ethylene oxide, ethylene glycol or ethanolamine in the presence of a catalyst, comprising a step wherein methylamine and/or ethylamine are removed from the reaction effluents.
    Type: Grant
    Filed: December 29, 2008
    Date of Patent: October 22, 2013
    Assignee: Akzo Nobel N.V.
    Inventors: Martin Stefan Hanson, Leif Kenny Christian Gustafson, Johan Lif, Boris Kuzmanovic, Ulf Schröder
  • Publication number: 20130269894
    Abstract: The present invention relates to a process for producing paper which comprises: providing an aqueous suspension comprising cellulosic fibres, adding to the suspension, after all points of high shear, a cationic polysaccharide; an inorganic polymer P1 being a cationic polyaluminium compound; and a polymer P2 being an anionic polymer; and, dewatering the obtained suspension to form paper.
    Type: Application
    Filed: September 6, 2012
    Publication date: October 17, 2013
    Applicant: AKZO NOBEL N.V.
    Inventors: Fredrik Solhage, Joakim Carlén, Birgitta Johansson
  • Patent number: 8558021
    Abstract: The present invention relates to a process for the catalytic halogenation of an organic compound comprising at least one vicinal diol moiety, said process comprising a step of bringing the organic compound comprising at least one vicinal diol moiety into contact with a hydrogen halide in the presence of a catalyst, characterized in that the catalyst is an organic compound comprising a ?-diketone moiety or a ?-keto aldehyde moiety.
    Type: Grant
    Filed: March 17, 2010
    Date of Patent: October 15, 2013
    Assignee: Akzo Nobel N.V.
    Inventors: Antoon Jacob Berend Ten Kate, Richard Herman Woudenberg, Eilertdina Henderika Renkema, Luc Louis Theophile Vertommen, Carolina Anna Maria Christina Dirix, Tim Baks
  • Patent number: 8551312
    Abstract: The invention relates to a process for the production of an amino acid having at least one secondary or tertiary amino group and three or more carboxyl groups or its salt with less than an equivalent of alkaline metal based on the number of carboxyl groups, said process comprising reducing alkali metal ions from an aqueous solution of an alkali metal salt of an amino acid having at least one secondary or tertiary amino group and three or more carboxyl groups and acidifying the amino carboxylate starting material by first performing a chemical acidification step using an organic or inorganic acid to get a compound in which at least one of the groups is protonated, and in a subsequent step further acidifying the amino carboxylate starting material and reducing alkali metal ions from an aqueous solution of the partially acidified alkali metal salt of the amino acid having at least one secondary or tertiary amino group and three or more carboxyl groups by electrodialysis, wherein the electrodialysis is performed
    Type: Grant
    Filed: November 27, 2007
    Date of Patent: October 8, 2013
    Assignee: Akzo Nobel N.V.
    Inventors: Martin Heus, Hans Lammers, Arie Volmer
  • Patent number: 8545859
    Abstract: The present invention relates to the use of acrylate copolymers, which provide excellent water resistance to personal care products without the undesirable waxy, greasy or heavy feel. Further, these acrylate copolymers are easy for manufacturers to use as they can be easily incorporated into the water phase without special processing.
    Type: Grant
    Filed: November 26, 2003
    Date of Patent: October 1, 2013
    Assignee: Akzo Nobel N.V.
    Inventors: Hongjie Cao, Gary T. Martino, Samuel A. Vona, Jr.
  • Patent number: 8545828
    Abstract: The present invention is directed to heat treated xanthan gums, which have improved solution viscosity over other xanthan gums heat-treated under the same processing conditions while maintaining the improved ease of use and the short, non-stringy gel texture of heat treated xanthan gums. Such high solution viscosity xanthan gums are suitable in a variety of applications, including cosmetic and personal care compositions.
    Type: Grant
    Filed: February 21, 2003
    Date of Patent: October 1, 2013
    Assignee: Akzo Nobel N. V.
    Inventors: Hongjie Cao, Gary T. Martino
  • Publication number: 20130239850
    Abstract: The present invention generally relates to an additive package for warm-mix asphalt formulations for the pavement of road surfaces, said additive package comprising a) surfactant component, and b) an asphalt rheology modifying component, wherein said asphalt rheology modifying component comprises at least one of a i) a wax component and ii) a resin component. The invention also relates to a warm mix asphalt having improved compaction at lower temperatures, and to a pavement made from said warm mix asphalt.
    Type: Application
    Filed: May 2, 2013
    Publication date: September 19, 2013
    Applicant: AKZO NOBEL N.V.
    Inventors: Premnathan NAIDOO, Sundaram LOGARAJ, Alan Duncan JAMES
  • Publication number: 20130233543
    Abstract: The present invention relates to nitrogen-containing hydroxyethyl substituted compounds to be used as corrosion inhibitors for metal surfaces, for example in aqueous systems and in particular in oil-field applications, e.g. in oil or gas wells, and which could be used under sweet-well conditions as well as under sour-well conditions. It may also be used in oil-field acidizing and fracture-acidizing well stimulation treatment. The compounds belong to the group of partly ethoxylated fatty alkylamines, partly ethoxylated alkyletheramines and partly or fully hydroxyethyl substituted alkylamidopropylamines.
    Type: Application
    Filed: April 12, 2013
    Publication date: September 12, 2013
    Applicant: Akzo Nobel N.V.
    Inventors: Kornelis OVERKEMPE, William John Ernest PARR, Johanna Christina SPEELMAN
  • Publication number: 20130219775
    Abstract: The present invention generally relates to oil compositions, primarily to fuel oil and petroleum compositions produced there from susceptible to wax formation at low temperatures, to polymeric imides for use with such fuel oil compositions, and to methods for their manufacture.
    Type: Application
    Filed: March 18, 2013
    Publication date: August 29, 2013
    Applicant: AKZO NOBEL N.V.
    Inventor: AKZO NOBEL N.V.
  • Publication number: 20130220867
    Abstract: A packaged peroxide formulation comprising a container and a liquid peroxide formulation, wherein said container has a volume of at least 50 litres and a vent area/volume ratio of at least 20·10?3 m2/m3, said liquid peroxide formulation satisfies the classification tests for organic peroxide type F, has a conductivity of at least 100 pS/m, is not an emulsion or suspension, and comprises (i) at least 33 wt % of an organic peroxide selected from the group consisting of diacyl peroxides, peroxyesters, peroxydicarbonates, peroxyketals, and monoperoxycarbonates, and (ii) optionally a phlegmatiser, the packaged peroxide formulation has a vent area that is at least equal to the minimum total vent area as determined by the 10 litre venting test.
    Type: Application
    Filed: April 4, 2013
    Publication date: August 29, 2013
    Applicant: AKZO NOBEL N.V.
    Inventor: AKZO NOBEL N.V.
  • Patent number: 8497315
    Abstract: The present invention pertains to a process for the preparation of aqueous dispersions which are stabilized with a water-insoluble stabilizing colloid, characterized in that a) in a first step a water-insoluble stabilizing colloid is prepared, with this being prepared, based on the amount of monomer used for the preparation of the stabilizing colloid, by means of radical polymerization, followed by b) the addition of at least one further olefinically unsaturated monomer and at least one initiator, in which process by means of radical polymerization of the further olefinically unsaturated monomer an aqueous dispersion is obtained, on which c) optionally a residual monomer reduction is performed, with this being carried out by means of polymerization of residual monomers and/or by means of physical removal of the residual monomers and optionally further volatile organic components by means of the introduction of vapor and/or gas.
    Type: Grant
    Filed: November 15, 2007
    Date of Patent: July 30, 2013
    Assignee: Akzo Nobel N.V.
    Inventors: Hongli Willimann, Jakob Wolfisberg, Ulf Kehrer