Patents Assigned to Akzo Nobel N.V.
  • Publication number: 20130186302
    Abstract: The present invention relates to a bitumen or asphalt formulation for the pavement of road surfaces, said formulation comprising a mixture of bitumen and aggregates, and an additive package evenly distributed therein, said additive package comprising from about i) 10 to 60% by weight of an amine or modified amine surfactant, ii) from about 20 to 90% of an asphalt rheology modifying component.
    Type: Application
    Filed: February 18, 2013
    Publication date: July 25, 2013
    Applicant: AKZO NOBEL N.V.
    Inventor: AKZO NOBEL N.V.
  • Publication number: 20130190181
    Abstract: The invention generally relates to a synergistic co-spray dried blend of (alkyl) naphthalene formaldehyde condensate sulfonates and lignosulfonates. This co-spray dried blend is useful as a dispersant in useful in agrochemical formulations.
    Type: Application
    Filed: March 11, 2013
    Publication date: July 25, 2013
    Applicant: AKZO NOBEL N.V.
    Inventor: AKZO NOBEL N.V.
  • Patent number: 8491969
    Abstract: The present invention pertains to a water-redispersible polymer powder based on at least one modified natural latex. The modified natural latex can be obtained by mixing natural latex with at least one radical initiator and/or oxidizing agent, by mixing and reacting natural latex with at least one olefinically unsaturated monomer and with at least one radical initiator, and/or by mixing natural latex with at least one filler. Preferably, the polymer powder contains up to about 95 wt. % of least one natural latex, about 0 to 50 wt. % of at least one protective colloid, about 2 to 70 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, the use thereof as an additive in building material compositions, as well as building material compositions containing the polymer powder.
    Type: Grant
    Filed: June 25, 2009
    Date of Patent: July 23, 2013
    Assignee: Akzo Nobel N.V.
    Inventors: Hongli Willimann, Hans Wicki, Urs Heini, Alexander Zapf, Robert Koelliker
  • Patent number: 8487089
    Abstract: The present invention relates to a water-soluble associative cellulose ether having a DP viscosity from 250 to 20,000 mPa·s, measured at a concentration of 1% by weight, and a molecular substitution, MS, from 0.0001 to 0.005 of a hydrophobic substituent containing an unsubstituted or substituted hydrocarbon group of 8-24 carbon atoms. The cellulose ether has a good thickening effect and advantageous application properties at low contents and can be used in an aqueous decorative paint composition, an aqueous paper coating composition, an aqueous organic filler composition, an aqueous cement slurry, an aqueous detergent composition or an aqueous personal care formulation.
    Type: Grant
    Filed: December 15, 2004
    Date of Patent: July 16, 2013
    Assignee: Akzo Nobel N.V.
    Inventors: Peter Boström, Leif Karlson
  • Patent number: 8466246
    Abstract: Polymerization process comprising the steps of: (a) reacting an aqueous suspension comprising initiator, vinyl chloride, and optionally one or more co-monomers in a continuous stirred tank reactor; and (b) further reacting the resulting suspension in at least one second reactor; wherein the conversion level of vinyl chloride in the continuous stirred tank reactor of step (a) is from 10 to 60 wt %.
    Type: Grant
    Filed: March 20, 2007
    Date of Patent: June 18, 2013
    Assignee: Akzo Nobel N.V.
    Inventors: Carolina Anna Maria Christina Dirix, Johannes Jacobus Theodorus De Jong, Lambertus Meulenbrugge, Koen Antoon Kornelis Vanduffel
  • Patent number: 8461247
    Abstract: The invention relates to an aqueous dispersion and dispersion powder composition for highly flexible, waterproof, hydraulically binding tile adhesives having an extended open time, and containing an emulsion polymer (A) having a glass transition temperature (Tg) of approximately 10° C. to 80° C., and an emulsion polymer (B) having a glass transition temperature (Tg) of approximately ?60° C. to +20° C. The difference of the glass transition temperatures (Tg) of the emulsion polymers (A and B) is at least approximately 5° C. The proportion of vinyl acetate monomer units is 0 to 70 mol-% and the minimum film forming temperature according to DIN 53787 of the 50% aqueous dispersion composition is approximately 15° C. or less, and the monomers, stabilization systems and optionally the additional additives of the dispersion and/or dispersion powder composition are selected such that a good cement compatibility is guaranteed.
    Type: Grant
    Filed: March 13, 2006
    Date of Patent: June 11, 2013
    Assignee: Akzo Nobel N.V.
    Inventors: Hongli Willimann, Hans Wicki, Ulf Kehrer
  • Publication number: 20130137799
    Abstract: Anionic graft copolymers and scale inhibition compositions including the anionic graft copolymers in which the anionic graft copolymers include a natural component grafted with an ethylenically unsaturated anionic monomer where the anionic graft copolymer includes 1 or more reacted anhydroglucose units per every 100 anhydroglucose units in the anionic graft copolymer.
    Type: Application
    Filed: July 30, 2010
    Publication date: May 30, 2013
    Applicant: AKZO NOBEL N.V.
    Inventors: Klein A. Rodrigues, Matthew M. Vanderhoof, John Ozbek
  • Publication number: 20130133848
    Abstract: The present invention relates to a process of producing a cellulosic product comprising (i) providing an aqueous suspension of cellulosic fibers, (ii) adding microfibrillar polysaccharide, (iii) adding thermoplastic microspheres, (iv) dewatering the suspension and forming a cellulosic product. The invention also relates to a process of producing a single layer cellulosic product comprising (i) providing an aqueous suspension of cellulosic fibers, (ii) adding microfibrillar polysaccharide derived from softwood and/or hardwood and optionally adding thermoplastic microspheres to the suspension, (iii) dewatering the suspension and forming a cellulosic product. The invention further relates to a cellulosic product obtainable from said processes. The invention also relates to a composition comprising microfibrillar polysaccharide and thermoplastic microspheres and the use thereof.
    Type: Application
    Filed: January 25, 2013
    Publication date: May 30, 2013
    Applicant: AKZO NOBEL N.V.
    Inventor: Akzo Nobel N.V.
  • Patent number: 8440011
    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: Grant
    Filed: November 11, 2008
    Date of Patent: May 14, 2013
    Assignee: Akzo Nobel N.V.
    Inventors: Premnathan Naidoo, Sundaram Logaraj, Alan Duncan James
  • Publication number: 20130116120
    Abstract: The present invention relates to processes for preparation of alkoxylated alkyl amines or alkoxylated alkyl ether amines with peaked distribution, surfactants comprising alkoxylated alkyl amines or alkoxylated alkyl ether amines with peaked distribution, and stable herbicidal formulations comprising alkoxylated alkyl amines or alkoxylated alkyl ether amines with peaked distribution.
    Type: Application
    Filed: January 18, 2013
    Publication date: May 9, 2013
    Applicant: AKZO NOBEL N.V.
    Inventor: AKZO NOBEL N.V.
  • Publication number: 20130116163
    Abstract: The present invention relates to the use of an alkyl di(lower alkyl)mono(polyoxyethylene) quaternary ammonium compound as a hydrotrope in 5 aqueous solutions for a nonionic surfactant, preferably a C8-C18-alcohol alkoxylate containing 1-20 ethyleneoxy units and 0-5 propyleneoxy units. It also relates to a composition comprising said quaternary ammonium compound and said nonionic surfactant. The cationic surfactant has the formula 10 R2+R(1)N(CH2CH2O)n H X R1 wherein R?C6-C22 alkyl; R1 and R2 are independently a C1-C4 alkyl group; n=8-25; and X— is an anion. The compositions may be used for the cleaning of hard surfaces, for example for vehicle cleaning or machine dishwashing.
    Type: Application
    Filed: October 25, 2012
    Publication date: May 9, 2013
    Applicant: AKZO NOBEL N.V.
    Inventor: Akzo Nobel N.V.
  • Patent number: 8431104
    Abstract: The invention concerns a process for the production of chlorine dioxide comprising formation of chlorine dioxide in a reaction medium in at least one reaction vessel and withdrawing chlorine dioxide from said at least one reaction vessel, the process further comprising a step of treating reaction medium or at least one process stream originating directly or indirectly from said at least one reaction vessel with an adsorbent efficient for removing chlorinated organic compounds from said at least one process stream.
    Type: Grant
    Filed: January 3, 2008
    Date of Patent: April 30, 2013
    Assignee: Akzo Nobel N.V.
    Inventors: Kalle Hans Thomas Pelin, Fredrik Persson, Erika Stoltz
  • Patent number: 8431619
    Abstract: An aqueous composition, for alleviating at least one problem that conventional aqueous cosmetic compositions, includes (A) at least one selected from the group consisting of a cross-linked product of a hydroxyalkyl modified starch with a carbon number of 2 to 5, a cross-linked product of a hydroxyalkyl modified starch with a carbon number of 2 to 5 and an acyl modified starch with a carbon number of 2 to 18 and a cross-linked product of an acyl modified starch with a carbon number of 2 to 18; and (B) a water-soluble polymer material. When the water-soluble polymer material (B) is an association type poly(meth)acrylate polymer, a nonionic or cationic cellulose polymer, a poly(meth)acrylic acid polymer or xanthan gum, the aqueous composition exhibits excellent viscosity increase ratio and temporal stability.
    Type: Grant
    Filed: April 16, 2012
    Date of Patent: April 30, 2013
    Assignee: Akzo Nobel N.V.
    Inventor: Tomohiro Hashimoto
  • Patent number: 8431646
    Abstract: The present invention relates to the use of a mixture that is dispersible, redispersible, or soluble in water, or an aqueous composition for protecting substrates from corrosion, wherein the mixture, or the composition, is based on at least one organic polymer that is soluble in water and at least one organosilicon compound. The invention further relates to a mixture that is dispersible, redispersible, or soluble in water, based on at least one organic polymer that is soluble in water and at least one organosilicon compound having at least one Si—O—Si bond and/or at least one Si—Si bond, wherein either the content of the organic polymer soluble in water, based on the sum of the organic polymer soluble in water and of the organosilicon compound, is between about 40 and about 80 wt.-%, or the organosilicon compound is an oligomer mixture of alkyl alkoxy siloxanes, wherein the oligomer mixture contains 50 to 100 wt.-% of alkyl alkoxy siloxanes, and the same have a degree of oligomerization of 2 to 20.
    Type: Grant
    Filed: March 7, 2008
    Date of Patent: April 30, 2013
    Assignees: Evonik Degussa GmbH, Akzo Nobel N.V.
    Inventors: Sabine Giessler-Blank, Burkhard Standke, Ulf Kehrer
  • Patent number: 8425723
    Abstract: The present invention is directed to a method of efficiently maintaining or increasing brightness and whiteness of refined paper. In one aspect, the invention is directed to a method for substantially maintaining (or even increasing) brightness and/or whiteness of paper with increased pulp refining, the method including refining the pulp down to reduce the freeness at least about 100 CSF and adding a combination of an OBA and a carrier polymer to the paper surface in the size press in amounts sufficient to increase brightness and/or whiteness of the final paper. In another aspect, the invention is directed to a method of making paper from refined pulp that includes refining a cellulosic fiber suspension to reduce the freeness at least about 100 CSF and contacting the cellulosic fibers with at least one optical brightening agent (OBA) during or after the refining step prior to adding any additional wet end chemicals.
    Type: Grant
    Filed: April 3, 2008
    Date of Patent: April 23, 2013
    Assignee: Akzo Nobel N.V.
    Inventor: Martha Patricia Wild
  • Patent number: 8404037
    Abstract: The present invention relates to a bitumen or asphalt formulation for the pavement of road surfaces, said formulation comprising a mixture of bitumen and aggregates, and an additive package evenly distributed therein, said additive package comprising from about i) 10 to 60% by weight of an amine or modified amine surfactant, ii) from about 20 to 90% of an asphalt rheology modifying component.
    Type: Grant
    Filed: July 24, 2008
    Date of Patent: March 26, 2013
    Assignee: Akzo Nobel N.V.
    Inventors: Premnathan Naidoo, Sundaram Logaraj, Alan Duncan James
  • Patent number: 8399705
    Abstract: The present invention relates to an alkalimetal salt of glutamic acid-N,N-diacetic acid (GLDA) of the formula NaxKyHzGLDA, wherein x is equal to or more than 2 and lower than 4 and y is more than 0 and equal to or lower than 2, x+y is 3.5-4, and x+y+z=4, to processes to prepare such salt and the use thereof.
    Type: Grant
    Filed: August 14, 2008
    Date of Patent: March 19, 2013
    Assignee: Akzo Nobel N.V.
    Inventors: Tjerk Oedse Boonstra, Martin Heus
  • Patent number: 8393391
    Abstract: The present invention pertains to a dry cement formulation for cementing earth boreholes, in particular oil, gas and/or terrestrial heat boreholes, containing a) about 20 to 99.9 wt. % cement, b) about 0 to 65 wt. % powdered quartz/or quartz dust, c) about 0.1 to 30 wt. % water-redispersible dispersion powder, and d) about 0 to 20 wt. % further additives. Furthermore, the invention pertains to the use of the dry cement formulation for preparing a cement slurry as well as to the use of water-redispersible dispersion powders in a cement slurry for cementing earth boreholes, wherein the cement slurries can be used for reducing the water loss of the cement slurry, for reducing the gas and/or water penetration and/or for sealing off the gas and/or water channels by means of the cement slurry which has been introduced into the borehole and has set.
    Type: Grant
    Filed: November 15, 2007
    Date of Patent: March 12, 2013
    Assignee: Akzo Nobel N.V.
    Inventors: Hongli Willimann, Franck Vallee, Charles Zhang
  • Patent number: 8393473
    Abstract: The invention relates to a flotation process for removal of slimes from potash ores which includes a step in said process wherein a collector is used which is a mixture of ethoxylated fatty amines having the formulae (I) wherein R1 and R2 are, independently, a hydrocarbyl group having 1-22 C-atoms, and n is on average above 15 and less than 100, and (II) wherein R3 is a hydrocarbyl group having 8-22 carbon atoms; z is a number 1-3; X, Y and Y? are, independently, an alkyl group with 1-4 carbon atoms or the group -(EO)sH, wherein EO is an ethyleneoxy unit and s is on average 5-50, and the sum of all s is on average 15 or more, and less than 100; provided that at least one of X, Y and Y? is a group -(EO)sH; and where the molar ratio of I to II is 1:5 to 5:1. The invention also relates to said mixtures of collectors where the molar ratio of I to II is 1:5 to 5:1.
    Type: Grant
    Filed: November 26, 2008
    Date of Patent: March 12, 2013
    Assignee: Akzo Nobel N.V.
    Inventor: Jan Olof Gustafsson
  • Patent number: 8388809
    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 20 to 80 wt % of acrylonitrile, from 20 to 80 wt % of monomers selected from the group consisting of esters of acrylic acid, from 0 to 10 wt % of methacrylonitrile, from 0 to 40 wt % of monomers selected from the group consisting of esters of methacrylic acid, the total amount of acrylonitrile and esters of acrylic acid constituting from 50 to 100 wt % of said ethylenically unsaturated monomers, and said propellant comprising at least one of methane, ethane, propane, isobutane, n-butane and isopentane. The invention further relates to the production and use of the microspheres.
    Type: Grant
    Filed: February 9, 2007
    Date of Patent: March 5, 2013
    Assignee: Akzo Nobel N.V.
    Inventors: Ove Nordin, Heléne Ström, Christina Nyholm, Anna Kron