Patents Assigned to Akzo Nobel N.V.
  • Publication number: 20120134942
    Abstract: A personal care composition includes a hybrid copolymer including at least one ethylenically unsaturated monomer and a naturally derived hydroxyl containing chain transfer agent as an end group, a hybrid synthetic copolymer including one or more synthetic polymers derived from the at least one ethylenically unsaturated monomer with at least one initiator fragment as an end group and an effective amount of a cosmetic or personal care additive.
    Type: Application
    Filed: July 30, 2010
    Publication date: May 31, 2012
    Applicant: AKZO NOBEL N.V.
    Inventors: John S. Thomaides, Klin A. Rodrigues, Samuel A. Vona, JR., Gary T. Martino, Anthony J. Adamo
  • Publication number: 20120128608
    Abstract: Hybrid copolymer compositions include a hybrid copolymer including at least one ethylenically unsaturated monomer and a naturally derived hydroxyl containing chain transfer agent as an end group; and a hybrid synthetic copolymer including one or more synthetic polymers derived from the at least one ethylenically unsaturated monomer with at least one initiator fragment as an end group. The hybrid copolymer composition may be prepared as a scale inhibiting composition. Methods of preparing a hybrid copolymer are also included.
    Type: Application
    Filed: July 30, 2010
    Publication date: May 24, 2012
    Applicant: AKZO NOBEL N.V.
    Inventors: Klin A. Rodrigues, Matthew M. Vanderhoof, Allen M. Carrier, Jannifer Sanders
  • Patent number: 8168153
    Abstract: The invention concerns a process for the production of chlorine dioxide comprising generating chlorine dioxide in an aqueous reaction medium in a reaction vessel maintained at super-atmospheric pressure, withdrawing gaseous chlorine dioxide from said reaction medium, bringing withdrawn gaseous chlorine dioxide to an aqueous absorption medium and withdrawing gaseous chlorine dioxide from said absorption medium.
    Type: Grant
    Filed: July 11, 2008
    Date of Patent: May 1, 2012
    Assignee: Akzo Nobel N.V.
    Inventors: John C. Sokol, Michael Burke
  • Patent number: 8170404
    Abstract: A bubbler chamber assembly comprising one chamber or two or more chambers connected in series, all chambers being in substantially vertical orientation. A solid or liquid source of the compound is contained in the chamber or chambers. The ratio between the length of the chamber or combined length of chambers connected in series with respect to the direction of flow of the carrier gas through the chamber or chambers and the average diameter equivalent of the cross section of the chamber or chambers with respect to the direction of flow of the carrier gas through the chamber or chambers is not less than about 6:1.
    Type: Grant
    Filed: May 17, 2005
    Date of Patent: May 1, 2012
    Assignee: Akzo Nobel N.V.
    Inventors: Nam Hung Tran, Dennis L. Deavenport, Taeho Ko, Nada El-Zein
  • Patent number: 8163133
    Abstract: The invention relates to an aqueous dispersion useful for internal sizing or surface sizing in the production of paper, comprising at least one cellulose reactive sizing agent selected from the group consisting of ketene dimers and multimers, at least one cellulose non-reactive sizing agent and at least one emulsifier selected from the group consisting of oxyalkylene phosphate and sulfate esters and salts thereof. The invention further concerns a process for its preparation, use thereof, and processes for the production of paper.
    Type: Grant
    Filed: March 26, 2004
    Date of Patent: April 24, 2012
    Assignee: Akzo Nobel N.V.
    Inventor: Ralf Krückel
  • Patent number: 8163675
    Abstract: The present invention generally relates to a polyamide emulsifier, to a drilling fluid composition that comprises said emulsifier and to a method of drilling a borehole into a subterranean formation utilizing the drilling fluid composition of the invention.
    Type: Grant
    Filed: October 20, 2005
    Date of Patent: April 24, 2012
    Assignee: Akzo Nobel N.V.
    Inventors: Reinaldo Conrado Navarrete, Hua Yu, Wangqi Hou, Mohammad Abdur Rahman
  • Patent number: 8157962
    Abstract: The present invention relates to a process for the production of a cellulosic product which comprises providing an aqueous thick suspension containing cellulosic fibers having a fiber concentration of at least about 2% by weight; adding to the thick suspension an aluminum compound, alkaline earth metal salt and acid; diluting the obtained thick suspension to form a thin suspension; adding to the thin suspension one or more drainage and retention aids; and dewatering the obtained thin suspension. The invention further relates to a process for the production of a cellulosic product which comprises providing an aqueous thick suspension containing cellulosic fibers having a fiber concentration of at least about 2% by weight and an alkaline earth metal ion concentration of at least about 100 mg/l; adding to the thick suspension an aluminum compound and optionally an acid to obtain a pH of from about 4 to about 5.
    Type: Grant
    Filed: December 18, 2007
    Date of Patent: April 17, 2012
    Assignee: Akzo Nobel N.V.
    Inventors: Patrik Simonson, Marek Tokarz, Katarina Gutke
  • Patent number: 8148434
    Abstract: A process for producing an aqueous silica-based sol is disclosed wherein a cationic ion exchange resin having part of its ion exchange capacity in hydrogen form is contacted with an aqueous alkali metal silicate to form a slurry having a pH from 5.0 to 11.5 and/or having particle aggregation or microgel formation corresponding to a S value up to 45%; adjusting the pH using a material comprising an aluminum compound; and separating the resin from the slurry. Silica-based sols having an S value from 15 to 25%, mole ratio Si:Al from 20:1 to 50:1, mole ratio Si:X, where X=alkali metal, from 5:1 to 17:1, SiO2 content of at least 5% by weight and containing silica-based particles having a specific surface area of at least 300 m2/g, as well as the use of such silica-based sols in producing paper are disclosed.
    Type: Grant
    Filed: November 15, 2010
    Date of Patent: April 3, 2012
    Assignee: Akzo Nobel N.V.
    Inventors: Johan Nyander, Glenn Mankin
  • Patent number: 8142615
    Abstract: The invention relates to a method of producing a laminate paper product comprising at least two layers, said method comprising (i) providing an aqueous suspension comprising cellulosic fibers (ii) adding to the suspension microfibrillar polysaccharide in an amount to yield from about 0.05 to about 50 wt % based on the weight of the cellulosic fibers (iii) dewatering the obtained suspension and forming a first layer having a density from about 150 to about 500 kg/m3 of said laminate paper product. The invention also relates to a method comprising (i) providing an aqueous suspension comprising cellulosic fibers (ii) adding to the suspension microfibrillar polysaccharide in an amount to yield from about 0.
    Type: Grant
    Filed: November 27, 2007
    Date of Patent: March 27, 2012
    Assignee: Akzo Nobel N.V.
    Inventors: Ylva Wildlock, Annette Monica Heijnesson-Hultén
  • Publication number: 20120061866
    Abstract: A self-stabilizing dispersion composition having a copolymer having at least one polymerizable acid-containing moiety, wherein the at least one acid-containing moiety is at least partially neutralized before or during polymerization, and at least one hydrophobic moiety. A process for producing such compositions is also provided, as well as a process for encapsulating water-insoluble actives in such copolymers.
    Type: Application
    Filed: November 17, 2011
    Publication date: March 15, 2012
    Applicant: AKZO NOBEL N.V.
    Inventor: Klin A. RODRIGUES
  • Patent number: 8128996
    Abstract: A process for primer coating a steel substrate with a primer coating comprising a silica binder, wherein the binder comprises an aqueous silica sol having a SiO2/M2O mole ratio, wherein M represents the total of alkali metal and ammonium ions, of at least 6:1, and wherein after the primer coating has dried to the extent that it is touch dry, the coated substrate is immersed in water or alternatively kept in an atmosphere with a relative humidity of at least 50%.
    Type: Grant
    Filed: September 13, 2001
    Date of Patent: March 6, 2012
    Assignee: Akzo Nobel N.V.
    Inventors: Gerald Howard Davies, Gillian Diane Davies, legal representative, Paul Anthony Jackson
  • Publication number: 20120053054
    Abstract: The present invention generally relates to a process for preparing the alkoxylated alkylamines and/or alkyl ether amines. The process consists of three stages, and utilizes an alkali catalyst. The alkoxylated alkyl amines and alkoxylated alkyl ether amines prepared by the process possess the peaked distribution and contain less hazardous by-product.
    Type: Application
    Filed: September 12, 2011
    Publication date: March 1, 2012
    Applicant: AKZO NOBEL N.V.
    Inventors: Shawn Zhu, Giao Nguyen, Kha Nguyen, Alberto Slikta, David Eaton, David Becher, Henry Agbaje, Michael Seitz
  • Patent number: 8123982
    Abstract: Alternative inhibitors that offer an improvement over tolyltriazole in inhibiting yellow metal corrosion. The dithiocarbamate compounds and their salts were compared to that of tolyltriazole under identical conditions. These comparative tests were conducted in common corrosion testing systems, using both electrochemical corrosion cells and pilot cooling rigs, using various water conditions. The test methods included electrochemical studies such as linear polarization resistance, open circuit potential versus time, Tafel and cyclic polarization.
    Type: Grant
    Filed: February 24, 2005
    Date of Patent: February 28, 2012
    Assignee: Akzo Nobel N.V.
    Inventors: Eric C. Ward, Alvie L. Foster, Jr., Michael L. Standish, Ivonne C. Weidner
  • Patent number: 8118976
    Abstract: The present invention concerns a process for the production of a cellulosic product comprising providing a fiber-containing suspension, wherein at least about 60% by weight of the fibers are cellulosic fibers, and dewatering the suspension on a wire to form a cellulosic fiber web, the process further comprising adding silica-based particles to the formed web and a wet strength agent to the suspension and/or to the formed web. The invention also concerns a product obtainable by the process. The invention further concerns a dispersion comprising silica-based particles and a substantially aldehyde-free wet strength agent. A further aspect of the invention concerns a dispersion comprising silica-based particles having a specific surface area ranging from about 1000 to about 1700 m2/g and a wet strength agent. Still another aspect of the invention concerns the use of the dispersion as an additive in a papermaking process.
    Type: Grant
    Filed: April 28, 2008
    Date of Patent: February 21, 2012
    Assignee: Akzo Nobel N.V.
    Inventors: Hans Johansson-Vestin, Arne Andersson, Fredrik Solhage
  • Patent number: 8119195
    Abstract: The present invention pertains to the use of quaternary organic ammonium compounds for the reduction of efflorescence in building materials. In addition, a mixture containing at least one quaternary organic ammonium compound and at least one water-soluble organic polymer and, optionally, further additives is described. The mixture according to the invention can be prepared by a) at least one quaternary organic ammonium compound and at least one water-soluble organic polymer being mixed with one another in water and the obtained aqueous mixture optionally being subsequently dried, or b) at least one powdery quaternary organic ammonium compound and at least one powdery water-soluble organic polymer being mixed with one another, or c) at least one liquid and/or dissolved quaternary organic ammonium compound being applied on at least one powdery water-soluble organic polymer, in particular by means of spraying, adsorption, mixing, fluidized bed drying and/or granulation.
    Type: Grant
    Filed: September 15, 2008
    Date of Patent: February 21, 2012
    Assignee: Akzo Nobel N.V.
    Inventor: Adrian Keller
  • Publication number: 20120040830
    Abstract: The present invention generally relates to herbicidal compositions, and more particularly, herbicidal compositions containing glyphosate or a salt thereof and a surfactant comprising at least one mono and/or diglyceride alkoxylate.
    Type: Application
    Filed: March 11, 2010
    Publication date: February 16, 2012
    Applicant: AKZO NOBEL N.V.
    Inventors: Shawn Zhu, Norman R. Pallas
  • Patent number: 8106118
    Abstract: A glass adhesion composition containing a copolymer having an acid and a substituted amide, silanol, or amine oxide functionality. The substituted amide, silanol, or amine oxide functionality provide excellent adhesion of the copolymer to glass, silica, sand and other silicon-based substances. The copolymer is useful as a fiberglass binder, and also useful in providing protective coatings on glass sheets. A fiberglass sizing composition is also provided having a copolymer that includes at least one acid group derived from at least one acid monomer, a hydrophobic comonomer, and a crosslinker.
    Type: Grant
    Filed: September 21, 2010
    Date of Patent: January 31, 2012
    Assignee: Akzo Nobel N.V.
    Inventors: Klein A. Rodrigues, James C. Long
  • Publication number: 20120022203
    Abstract: The present invention relates to a process for preparing a polymer dispersion comprising polymerising one or more water soluble anionic monomers (m1) and one or more non-ionic vinyl monomers (m2) present in a reaction mixture further comprising a polymeric stabiliser (B) and a polymeric co-stabiliser (C). It further relates to a polymer dispersion, the use of the polymer dispersion and a process for producing paper.
    Type: Application
    Filed: September 28, 2011
    Publication date: January 26, 2012
    Applicants: FRAUNHOFER-GESELLSCHAFT ZUR FORDERUNG DER ANGEWANDTEN FORSCHUNG E.V., AKZO NOBEL N.V.
    Inventors: Christian Przybyla, Oliver Struck, André Laschewsky, Bernd Paulke, Mathias Hahn
  • Patent number: 8101851
    Abstract: The invention pertains to a process for manufacturing a solar cell foil comprising the steps of: providing an etchable temporary substrate applying a front electrode of a transparent conductive oxide (TCO) onto the temporary substrate applying a photovoltaic layer onto the TCO layer applying a back electrode layer applying a permanent carrier ensuring that the front electrode and the back electrode are electrically connected in an interconnect to establish a series connection, the front and the back electrode each being interrupted by front and back groove, respectively, at different sides of the interconnect in any one of the preceding steps providing an etch resist on the non-TCO side of the temporary substrate at least at the location of the interconnect, and at least not at the entire location of the front groove selectively removing the temporary substrate where it is not covered with etch resist.
    Type: Grant
    Filed: July 16, 2004
    Date of Patent: January 24, 2012
    Assignee: Akzo Nobel N.V.
    Inventor: Gerrit Cornelis Dubbeldam
  • Publication number: 20120004432
    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: Application
    Filed: March 17, 2010
    Publication date: January 5, 2012
    Applicant: 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