Patents Assigned to Akzo Nobel N.V.
  • Patent number: 7608644
    Abstract: The present invention refers to a process for the production of paper from a suspension containing cellulosic fibers, and optionally fillers, comprising adding to the suspension at least one cationic organic polymer and an aqueous silica-containing composition comprising an anionic naphthalene sulphonate formaldehyde condensate and anionic silica-based particles, the composition having a weight ratio of naphthalene sulphonate formaldehyde condensate to silica-based particles within the range of from 0.2:1 to 99:1, and containing naphthalene sulphonate formaldehyde condensate and silica-based particles in an amount of at least 0.01% by weight, based on the total weight of the aqueous silica-containing composition, and with the proviso that the composition contains substantially no cellulose-reactive sizing agent. The invention also encompasses an aqueous silica-containing composition and a method for preparation of an aqueous silica-containing compound.
    Type: Grant
    Filed: May 13, 2005
    Date of Patent: October 27, 2009
    Assignee: Akzo Nobel N.V.
    Inventors: Johan Nyander, Hans Johansson-Vestin, Jan Nordin, Annika Viola Pal
  • Patent number: 7604715
    Abstract: The invention relates to a papermaking process in which the static potential of the fibers/paper product can be controlled and reduced while enhancing the softness of the produced paper product. The papermaking process comprises adding to a suspension of cellulosic fibers: (i) a smectite clay (ii) at least one anionic compound selected from anionic microparticles and anionic surfactants (iii) at least one polymer which is cationic, non-ionic or amphoteric (iv) at least one non-ionic surfactant; and/or an oil, wax or fat.
    Type: Grant
    Filed: October 30, 2006
    Date of Patent: October 20, 2009
    Assignee: Akzo Nobel N.V.
    Inventors: Jonas Liesén, Kerstin Malmborg-Nyström
  • Publication number: 20090255932
    Abstract: Pressure release container, e.g. for peroxide materials, with a spout opening (2), a neck (3) along the periphery of the spout opening, and a venting cover (5). The venting cover comprises a body plate (6) to cover the spout opening, the body plate having a vent opening (7) and having a flange (9) with fastening means, e.g. a screw thread (4), to cooperate with corresponding fastening means on the outer face of the neck. The vent opening is covered by a gas permeable sheet (11) fixed between the fastening means of the neck and the flange. The vent opening can be provided with a pop-off cap (8).
    Type: Application
    Filed: August 13, 2007
    Publication date: October 15, 2009
    Applicant: AKZO NOBEL N.V.
    Inventors: Petrus Paulus Waanders, Kai Warnecke, Johannes Harmannus Gerardus Lok
  • Publication number: 20090236227
    Abstract: The present invention relates to a method to electroplate or electropolish a metal on a substrate wherein an ionic liquid selected from the group of N+R1R2R3R4X? or N+R5R6R7R8Y? is employed as electrolyte, and a metal salt added to the ionic liquid is employed as the metal source or a metal anode is used as the metal source, wherein any one of R1 to R8 independently represents a hydrogen, alkyl, cycloalkyl, aryl, or aralkyl group that may be substituted with a group selected from OH, Cl, Br, F, I, phenyl, NH2, CN, NO2, COOR9, CHO, COR9, or OR9, at least one of R5 to R8 is a fatty alkyl chain, and one or more of R5 to R8 can be a (poly)oxyalkylene group wherein the alkylene is a C1 to C4 alkylene and the total number of oxyalkylene units can be from 1 to 50 oxyalkylene units, and at least one of R1 to R8 is a C1 to C4 alkyl chain, R9 is an alkyl or cycloalkyl group, X- is an anion having an N-acyl sulphonylimide anion (—CO—N?—SO2—) functionality, Y? is an anion compatible with the N+R5R6R7R8 ammonium cation, s
    Type: Application
    Filed: February 12, 2007
    Publication date: September 24, 2009
    Applicant: AKZO NOBEL N.V.
    Inventors: Boris Kuzmanovic, Cornelis Johannes Govardus Van Strien, Colin Eric Bartel, Michael Zeitler, Johanna Christina Speelman
  • Publication number: 20090239067
    Abstract: The invention relates to a composite material comprising a polymer and a) 0.1 to 30 wt % of a layered double hydroxide comprising a charge-balancing ion, and b) 10 to 70 wt % of a metal hydroxide, based on the total weight of the composite material.
    Type: Application
    Filed: February 22, 2007
    Publication date: September 24, 2009
    Applicant: Akzo Nobel N.V.
    Inventors: Johannes Petrus Jozef Verlaan, Aaldert Johannes De Jong
  • Patent number: 7582202
    Abstract: A Composition comprising one or more metal hydroxy salts and a matrix, binder or carrier material, wherein the metal hydroxy salt is a compound comprising (a) as metal either (i) one or more divalent metals, at least one of them being selected from the group consisting of Ni, Co, Ca, Zn, Mg, Fe, and Mn, or (ii) one or more trivalent metal(s), (b) framework hydroxide, and (c) a replaceable anion. This composition has various catalytic applications.
    Type: Grant
    Filed: February 10, 2004
    Date of Patent: September 1, 2009
    Assignees: Akzo Nobel N.V., Albemarle Netherlands B.V.
    Inventors: William Jones, Paul O'Connor, Dennis Stamires
  • Publication number: 20090209666
    Abstract: The invention relates to particular orthoester based polymers as well as the use of specific orthoester based polymers as a demulsifier for water/oil emulsions. Products suitable for use according to the invention have the formula (I), wherein R1 is hydrogen or a hydrocarbyl group with 1-4 carbon atoms, R2, R3, and R4 are, independently, a group comprising C3-C4 alkyleneoxy groups and/or ethyleneoxy groups in any order, and an end group Y, which is, independently, hydrogen, a hydrocarbyl group with 1-30 carbon atoms, a group —(CH2)zNR5R6 or —(CH2)zN+R5R6R7, wherein each of R5, R6, and R7 is, independently, an alkyl group with 1-22 carbon atoms or —CH2CH2OH, and z is 2 or 3, provided that at least one of the groups R2, R3, and R4 comprises at least one block of at least on then average 4 alkyleneoxy groups with 3 and/or 4 carbon atoms, and provided that if Y is hydrogen, then at least one of n and m is a number of 1-100, or a di- or polycondensate of the polymer via free hydroxyl groups in R2, R3 or R4.
    Type: Application
    Filed: April 3, 2007
    Publication date: August 20, 2009
    Applicant: Akzo Nobel N.V.
    Inventors: Per-Erik Hellberg, Ingemar Uneback
  • Publication number: 20090209788
    Abstract: The present invention generally relates to a process for preparing alkoxylated alkylamines and/or alkyl ether amines. The process consists of two stages and utilizes a catalyst with a multiple-charge counterion. The alkoxylated alkylamines and alkoxylated alkyl ether amines prepared by the process possess the peaked ethoxylation distribution and contain less hazardous by-product.
    Type: Application
    Filed: June 21, 2007
    Publication date: August 20, 2009
    Applicant: AKZO NOBEL N.V.
    Inventors: Giao Vinh Nguyen, James Alfred Ragains, Kha Carl Dang Nguyen, Charles Woodville Davis
  • Publication number: 20090206010
    Abstract: The invention relates to a reverse froth flotation process for treating a calcium carbonate ore containing silicates. The process comprises the use of two collectors selected from the group consisting of fatty tri-lower-alkyl quaternary ammonium compounds, fatty di-lower-alkyl benzyl quaternary ammonium compounds, fatty lower-alkyl di-benzyl quaternary ammonium compounds, di-fatty di-lower-alkyl quats, di-fatty lower-alkyl benzyl quats, and fatty bis-imidazoline quats. The use of a combination of different quats was found to result in a synergetic performance of the collectors.
    Type: Application
    Filed: April 18, 2007
    Publication date: August 20, 2009
    Applicant: Akzo Nobel N.V.
    Inventors: Anders Klingberg, Elisabeth Hendriksson
  • Patent number: 7576162
    Abstract: The invention relates to a process for the production of a nitrogen containing epihalohydrin polymer involving reaction of a nitrogen-containing precursor selected from the group consisting of amines, poly-amines, polyaminoamides, polyurethanes and mixtures thereof with epihalohydrin to form of a solution of said epihalohydrin polymer, the process comprising a purification step to remove organic impurities from the formed solution of the epihalohydrin polymer, said purification step comprising contacting the solution of the epihalohydrin polymer with a fluid under liquid, supercritical or near supercritical conditions to effect extraction of organic impurities from the solution of the epihalohydrin polymer to the fluid, withdrawing fluid enriched in organic impurities from the solution of the epihalohydrin polymer, and separating extracted impurities from the withdrawn fluid, wherein the fluid comprises a substance that at atmospheric pressure and room temperature (about 25° C.) is gaseous.
    Type: Grant
    Filed: June 21, 2006
    Date of Patent: August 18, 2009
    Assignees: Akzo Nobel N.V., Fraunhofer-Gesellschaft zur Forderung der Angewandten Forschung E.V.
    Inventors: Oliver Struck, Andreas Pingel-Keuth, Christian Przybyla, Ulrich Fehrenbacher, Thomas Hirth, Steffen Unser
  • Patent number: 7575607
    Abstract: The invention relates to an aqueous fuel composition having a homogeneous liquid phase, a so called microemulsion, containing a liquid hydrocarbon fraction, ethanol and an additive with an emulsifying and solubilizing ability. The composition contains a) 70-95% by weight of an hydrocarbon fraction having a boiling point within the range from 130 to 425° C., b) 2-25% by weight of ethanol, c) 0.002-0.8% by weight of water, and d) 0.2-25% by weight of an additive comprising 5-100% by weight of an nitrogen-containing surractant, such as an amine surfactant, an ether amine surfactant, an amine oxide surfactant and an amido surfactant, and optionally an alcohol having a hydrocarbon group of 5-24 carbon atoms. Preferably the additive contains 5-90% by weight of the nitrogen-containing surfactant and 10-95% by weight of the alcohol. The composition, which can be stored for long periods. may be used as a fuel in diesel engines.
    Type: Grant
    Filed: December 12, 2001
    Date of Patent: August 18, 2009
    Assignee: Akzo Nobel N.V.
    Inventors: Anna Lif, Sara Olsson
  • Publication number: 20090192067
    Abstract: The invention relates to aqueous, 2-in-1 laundry detergent compositions comprising conventional cleaning agents and at least one softening agent that comprises at least one amido alkyl amine quaternary compound. The 2-in-1 laundry detergent composition of the invention is phase stable and provides excellent cleaning performance and superior through-the-wash-softening and antistatic properties.
    Type: Application
    Filed: May 31, 2007
    Publication date: July 30, 2009
    Applicant: Akzo Nobel N.V.
    Inventors: Maurice O. Dery, Andrew Soliman, John P. Bell
  • Patent number: 7566389
    Abstract: The present invention relates to a method of preparing an electrode comprising providing an electrode substrate, depositing on said electrode substrate a first substantially aqueous coating solution comprising precursors of a valve metal oxide and of at least two platinum group metal oxides, treating the first coating solution to provide a first metal oxide coating layer on the electrode substrate, depositing on said first coating layer a second substantially organic coating solution comprising precursors of a valve metal oxide and at least one platinum group metal oxide, wherein at least one of the precursors is in organic form, treating said second coating solution to provide a second metal oxide coating layer on the first coating layer. The invention also relates to an electrode obtainable by said method, and the use thereof.
    Type: Grant
    Filed: October 8, 2004
    Date of Patent: July 28, 2009
    Assignee: Akzo Nobel N.V.
    Inventors: Takayuki Shimamune, Erik Zimmerman, Christer Andreasson
  • Publication number: 20090178972
    Abstract: A method for removing liquid, gaseous and/or dissolved constituents from an aqueous stream includes contacting the aqueous stream with a porous material and then contacting the aqueous stream with an adsorbent material. The porous material includes pores having an average diameter of approximately 0.01 ?m to approximately 50 ?m and an extraction liquid immobilized within at least a portion of the pores.
    Type: Application
    Filed: March 5, 2007
    Publication date: July 16, 2009
    Applicant: AKZO NOBEL N.V.
    Inventors: Dirk Thomas Meijer, Cornelis Johannes Govardus Van Strien
  • Patent number: 7553888
    Abstract: The invention relates to a method of producing an aqueous dispersion comprising mixing at least one silane compound and colloidal silica particles to form silanized colloidal silica particles, mixing said silanized colloidal silica particles with an organic binder to form the dispersion. The invention also relates to a dispersion obtainable by the method, and the use thereof.
    Type: Grant
    Filed: October 14, 2003
    Date of Patent: June 30, 2009
    Assignee: Akzo Nobel N.V.
    Inventors: Peter Greenwood, Hans Lagnemo
  • Patent number: 7544726
    Abstract: The invention relates to a method of producing a stable substantially aqueous silanized colloidal silica dispersion having a silica content of at least about 20 wt %, comprising mixing at least one silane compound and colloidal silica particles, wherein the weight ratio of silane to silica is from about 0.003 to about 0.2. The invention also relates to a dispersion obtainable by the method, and to a stable substantially aqueous silanized colloidal silica dispersion having a silica content of at least about 20 wt %, wherein the weight ratio of silane to silica is from about 0.003 to about 0.2. The invention further concerns the use of the dispersion for coatings applications and as an additive.
    Type: Grant
    Filed: October 14, 2003
    Date of Patent: June 9, 2009
    Assignee: Akzo Nobel N.V.
    Inventor: Peter Greenwood
  • Patent number: 7534760
    Abstract: The present invention relates to a clear and stable, highly alkaline composition with controlled foaming, containing a high amount of surface active nonionic alkylene oxide adduct and a hexyl glycoside as a hydrotrope. This composition has a very good wetting and cleaning ability and can be used for cleaning of hard surfaces, in a mercerization process and for a cleaning, desizing or scouring process of fibres and fabrics.
    Type: Grant
    Filed: May 13, 2005
    Date of Patent: May 19, 2009
    Assignee: Akzo Nobel N.V.
    Inventors: Ingegard Johansson, Bo Karlsson, Christine Strandberg, Gunvor Karlsson, Karin Hammarstrand
  • Publication number: 20090124723
    Abstract: Process for the modification of a polymer or copolymer having the following general structure for one or more of the repeating units: (1) wherein n is an integer, m is an integer in the range 0 to 6, and R is selected from hydrogen, substituted or unsubstituted C1-C20 alkyl, C3-C20 cycloalkyl, C6-C20 aryl, C7-C20 aralkyl, and C7-C20 alkaryl, which groups may include linear or branched alkyl moieties; the optional one or more substituents being selected from the group consisting of hydroxy, alkoxy, linear or branched alk(en)yl, aryloxy, halogen, carboxylic acid, ester, carboxy, nitrile, and amido groups, which process involves contacting the polymer or copolymer with a cyclic organic peroxide under conditions whereby at least some of said peroxide is decomposed. This process results in a (co)polymer with a high degree of branching but free of gel formation.
    Type: Application
    Filed: February 22, 2007
    Publication date: May 14, 2009
    Applicant: AKZO NOBEL N. V.
    Inventors: Andreas Herman Hogt, Wilhelm Klaas Frijlink
  • Publication number: 20090114879
    Abstract: The present invention relates to the use of a specific group of alkoxylated and/or acylated non-quaternary nitrogen-containing compounds as anti-agglomerants for gas hydrates. The anti-agglomerants are surface-active non-quaternary nitrogen-containing compounds with 1-5 nitrogen atoms, which compounds have at least one hydrophobic group with 6-24 carbon atoms, and where the hydrophobic group is connected to the remainder of the molecule by an amine moiety, an ether moiety or an amide moiety, provided that when the hydrophobic group is connected by means of an amide moiety to the remainder of the molecule, the compounds must contain a total of at least two nitrogen atoms, and optionally contain 1-12 —CH2CH2O— groups and/or 1-6 hydroxyalkyl groups with 3-4 carbon atoms; and which compounds have at least one C2-C3 acyl group and/or at least one hydroxyalkyl group with 3-4 carbon atoms; or a salt thereof.
    Type: Application
    Filed: March 16, 2007
    Publication date: May 7, 2009
    Applicant: AKZO NOBEL N.V.
    Inventors: Martin Hellsten, Hans Oskarsson
  • Patent number: RE40730
    Abstract: The invention relates to an adhesive system comprising (a) an etherified amino resin, (b) a polymer prepared from one or more ethylenically unsaturated monomers, (c) a curing agent, and (d) a polyvinyl alcohol and the use thereof for gluing wood based products. The invention also relates to a hardener composition for gluing systems of the amino resin type comprising, (b) a polymer prepared from one or more ethylenically unsaturated monomers, said polymer containing post-crosslinking groups, (c) a carboxylic acid and (d) a polyvinyl alcohol and the use thereof for formulating an adhesive system. The invention further relates to a method of application of the adhesive system or the hardener composition onto the surface to be glued.
    Type: Grant
    Filed: November 25, 2005
    Date of Patent: June 9, 2009
    Assignee: Akzo Nobel N.V.
    Inventors: Benyahia Nasli-Bakir, Stefan Lindberg