Patents Assigned to Akzo
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Patent number: 7220339Abstract: The present invention relates to a process for preparing an aqueous polymer dispersion comprising: preparing a dispersant co-polymer of a monomer mixture (M) by polymerising the monomer mixture (M) in a reaction medium which is substantially free from organic solvents and/or substantially free from monomers which are not soluble in water, the monomer mixture (M) comprises at least one cationic vinyl monomer (m3) and at least one monomer (m4) which is tetrahydrofurfuryl acrylate, tetrahydrofurfuryl methacrylate, or a monomer of the general formula (I): wherein R1 is hydrogen or methyl, R2 is hydrogen or C1-C2 alkyl, R3 is hydrogen, C1-C4 alkyl, phenyl, or benzyl, n=1 to 4, and x=1 to 50, and then, polymerising one or more water-soluble monomers (m) in an aqueous solution of a salt in the presence of the obtained dispersant polymer. The invention also relates to an aqueous polymer dispersion, use of the dispersion and a process for the production of paper.Type: GrantFiled: June 12, 2006Date of Patent: May 22, 2007Assignee: Akzo Nobel N.V.Inventors: Oliver Struck, Christian Przybyla, Achim Sieger, Mathias Hahn, Dirk Ruppelt, Werner Jaeger
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Publication number: 20070112034Abstract: The invention relates to 2-(benzimidazol-1-yl)-acetamide bisaryl derivative having the general Formula I wherein n is 0 or 1; Ar1 represents a diradical derived from a 5- or-6-membered aromatic ring, optionally comprising 1-3 heteroatoms selected from N, O and S, said ring being optionally substituted with (C1-4)alkyl, (C1-4)alkyloxy, halogen, CF3 or cyano; Ar2 represents a 6-membered aryl ring, optionally comprising 1-3 nitrogen atoms, said ring being optionally substituted with 1-3 substituents selected from (C1-4)alkyl (optionally substituted with 1 or more halogens), (C1-4)alkyloxy (optionally substituted with 1 or more halogens), di(C1-4)alkylamino, halogen, CF3 or cyano; or a pharmaceutically acceptable salt thereof; to pharmaceutical compositions comprising the same and to the use of said 2-(benzimidazol-1-yl)-acetamide bisaryl derivatives in the treatment of TRPV1 mediated disorders.Type: ApplicationFiled: November 7, 2006Publication date: May 17, 2007Applicant: AKZO NOBEL N.V.Inventors: Ronald Palin, Colin Gray
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Publication number: 20070111993Abstract: The invention provides for a pharmaceutically suitable non-sublimating and solid salt of an enantiomer of mirtazapine, in particular, a mirtazapine salt selected from the list of the salt of maleic acid, hydrobromic acid and fumaric acid, for use in the manufacture of a pharmaceutical composition comprising a salt of S- or R-mirtazapine.Type: ApplicationFiled: April 19, 2005Publication date: May 17, 2007Applicant: AKZO NOBEL N.V.Inventors: Sytske Moolenaar, Gerardus Kemperman, Kees Van Der Voort Maarschalk
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Publication number: 20070111277Abstract: The invention relates to an isolated polynucleotide sequence comprising a nucleic acid sequence encoding the amino acid sequence of KshA protein or of KshB protein, encoded by nucleotides 499-1695 of SEQ ID NO:1 or by nucleotides 387-1427 of SEQ ID NO:2, respectively, and functional homologues thereof. The polynucleotides of the invention can be used to construct genetically modified microorganisms blocked in 3-ketosteroid 9?-hydroxylase activity, which are useful in the microbial degradation of steroids to accumulate certain steroid products.Type: ApplicationFiled: January 18, 2007Publication date: May 17, 2007Applicant: Akzo Nobel N.V.Inventors: Robert Van Der Geize, Peter Van Der Meijden, Gerda Hessels, Lubbert Dijkhuizen
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Publication number: 20070107866Abstract: The invention relates to a papermaking process in which the static potential of the fibres/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 fibres: (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: ApplicationFiled: October 30, 2006Publication date: May 17, 2007Applicant: AKZO NOBEL N.V.Inventors: Jonas Liesen, Kerstin Malmborg-Nystrom
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Patent number: 7216709Abstract: The present invention generally relates to a method for treating a subterranean formation with an aqueous viscoelastic treating fluid that an aqueous base fluid and one or more non-ionic amido amine oxide surfactant gelling agents. The treatment method comprises injecting the aqueous viscoelastic surfactant treating fluid through a wellbore and into the subterranean formation under conditions effective to control fluid loss, and breaking the gel of the aqueous viscoelastic treating fluid subsequent to treating said formation.Type: GrantFiled: October 28, 2004Date of Patent: May 15, 2007Assignee: Akzo Nobel N.V.Inventors: Paul M. McElfresh, Chad F. Williams
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Publication number: 20070105920Abstract: The invention relates 2-(benzimidazol-1-yl)-N-(4-phenylthiazol-2-yl)acetamide derivatives having the general Formula I wherein R1 is H, (C1-4)alkyl, (C1-4)alkyloxy or halogen; R2 represents 1-3 substituents selected from H, (C1-4)alkyl (optionally substituted with 1 or more halogens), (C1-4)alkyloxy (optionally substituted with 1 or more halogens), halogen, CF3 or cyano; or a pharmaceutically acceptable salt thereof; to pharmaceutical compositions comprising the same and to the use of said 2-(benzimidazol-1-yl)-N-(4-phenylthiazol-2-yl)acetamide derivatives in the treatment of TRPV1 mediated disorders.Type: ApplicationFiled: November 7, 2006Publication date: May 10, 2007Applicant: AKZO NOBEL N.V.Inventors: Ronald Palin, Colin Gray
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Patent number: 7214329Abstract: The invention relates to an aqueous organic peroxide emulsion comprising an anti-freeze agent, a protective colloid, and a plasticiser wherein the plasticizer is an ester having a ratio of the number of carbon atoms present in the pasticiser molecule (excluding aromatic carbon atoms) to the number of ester groups in the molecule of higher than 8. These emulsions show a reduced droplet growth as compared to emulsions comprising a conventional plasticizer, i.e. the emulsions of the invention are more stable upon storage than the emulsions of the prior art. The invention emulsions are particularly useful in polymerization processes such as the polymerization of vinyl chloride monomer.Type: GrantFiled: February 20, 2002Date of Patent: May 8, 2007Assignee: Akzo Nobel N.V.Inventor: Boen H. O
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Patent number: 7214706Abstract: The invention provides chroman compounds having Formula (1), wherein R1 is (1C–4C)alkyl, (2C–4C)alkenyl or (2C–4C)alkynyl, and independently R1 has a cis-orientation in relation to the exocyclic phenyl group at the 2-position of the skeleton; R4 is Hal, CF3, OH or (1C–2C)alkyloxy; R2, R3, and R5 are independently H, Hal, CF3, (1C–4C)alkyl, (2C–4C)alkenyl or (2C–4C)alkynyl and prodrugs thereof for the manufacture of a medicine for estrogen-receptor related treatments.Type: GrantFiled: February 26, 2001Date of Patent: May 8, 2007Assignee: Akzo Nobel N.V.Inventors: Gerrit Herman Veeneman, Neeltje Miranda Teerhuis
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Publication number: 20070094978Abstract: The invention relates to a wood based flooring material having an upper surface and a backing surface, the wood based flooring material comprising one or more layers, wherein the backing surface has a coating of a thermoplastic composition, wherein the thermoplastic composition has a ratio elastic modulus G? to viscous modulus G?, G?/G?, of less than or equal to about 5 at 0.001 Hz and 25° C. The invention also relates to a method of producing the flooring material.Type: ApplicationFiled: September 13, 2006Publication date: May 3, 2007Applicant: AKZO NOBEL COATINGS INTERNATIONAL B.V.Inventors: Tomas Svanholm, Johan Blix, Kee Lee
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Publication number: 20070095493Abstract: A process for the production of paper which includes the steps of providing an aqueous suspension containing cellulosic fibers, and optional fillers; adding to the suspension: (a) at least one charged organic polymer; and (b) an aqueous sol containing silica-based particles; wherein the sol has: (i) an S-value within the range of from 10 to 45%; (ii) a viscosity within the range of from 5 to 40 cP; and (iii) a molar ratio of SiO2 to M2O, where M is alkali metal or ammonium, within the range of from 10:1 to 40:1; and (III) forming and draining the suspension on a wire.Type: ApplicationFiled: December 20, 2006Publication date: May 3, 2007Applicant: AKZO NOBEL N.V.Inventors: Michael Persson, Marek Tokarz, Maj-Lis Dahlgren
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Patent number: 7211682Abstract: The invention pertains to an aqueous solution of a sodium salt xNa+ yH+ of the chelating compound of formula I: wherein x=2.1–2.7, y=0.9–0.3, and x+y=3. The invention further pertains to a container comprising at least 0.5 kg of said aqueous solution and to a method of preparing an aqueous solution comprising at least 45 wt % of the sodium salt xNa+ yH+ of the chelating compound of formula I from Na3-HEDTA, comprising the steps of electrodialysing an aqueous solution containing less than 42 wt % of Na3-HEDTA using a bipolar membrane, thereby converting the trisodium salt solution to the solution of the sodium salt of formula I with x=2.1–2.7, y=0.9–0.3, and x+y=3.Type: GrantFiled: July 13, 2004Date of Patent: May 1, 2007Assignee: Akzo Nobel N.V.Inventors: Martin Heus, Hans Lammers, Jim Lepage
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Patent number: 7208448Abstract: The invention relates to a passivated hydrogenation catalyst that is embedded in a primary amine, a derivative thereof, and/or a nitrile, the process to make such catalysts, as well as the use of such catalysts in a hydrogenation process in which an amine or a derivative thereof is produced.Type: GrantFiled: March 13, 2003Date of Patent: April 24, 2007Assignee: Akzo Nobel N.V.Inventors: Thale Jacob Ottens, Jacobus Van Den Berg, Paul Van Poecke
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Patent number: 7208534Abstract: The present invention pertains to a solvent based coating composition comprising A) at least one toner base comprising an acrylic polyol, a cellulose resin, a polyester polyol, and a pigment, B) at least one connector base comprising at least one resin compatible with the resins mentioned in toner base A), and C) at least one reducer base free of resins and pigments. It has been found that the coating composition of the present invention does not have drawbacks such as insufficient hiding, a high sensitivity for cloudiness, and a loss of brightness or color. Such drawbacks are often found in base coat compositions. Furthermore, the coating composition of the present invention provides a very flexible application window. Due to a selection of resins, additives, and/or fillers to be used in the connector base (B), the use and properties of the coating composition of the present invention can be modified.Type: GrantFiled: November 6, 2001Date of Patent: April 24, 2007Assignee: Akzo Nobel N.V.Inventor: Arthur Jozef Gerardus Van Rooyen
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Publication number: 20070088025Abstract: The invention relates to tricyclic 1-[(in-dol-3-yl)carbonyl]piperazine derivative having the general Formula (I) wherein X is CH2, O or S; R represents 1-3 substituents independently selected from H, (C1-4)alkyl, (C1-4)alkyloxy and halogen; R1 is (C5-8)cycloalkyl; R2 is H or (C1-4)alkyl; R3, R3?, R4?, R4?, R5, R5? and R6? are independently hydrogen or (C1-4)-alkyl, optionally substituted with (C1-4)alkyloxy, OH or halogen; R6 is hydrogen or (C1-4)alkyl, optionally substituted with (C1-4)alkyloxy, OH or halogen; or R6 forms together with R7a 4-7 membered saturated heterocyclic ring, optionally containing a further heteroatom selected from O and S; R7 forms together with R6 a 4-7 membered saturated heterocydic ring, optionally containing a further heteroatom selected from O and S; or R7 is H, (C1-4)alkyl or (C3-5)cycloalkyl, the alkyl groups being optionally substituted with OH, halogen or (C1-4)alkyloxy; or a pharmaceutically acceptable salt thereof.Type: ApplicationFiled: December 13, 2004Publication date: April 19, 2007Applicant: AKZO NOBEL N.V.Inventor: Julia Adam-Worrall
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Publication number: 20070082931Abstract: Disclosed herein are indole derivatives of the formula (I) wherein each of the substitutents is given the definition as set forth in the specification and claims. Also disclosed are pharmaceutical compositions containing the indole derivatives and use of the derivatives for the treatment of pain.Type: ApplicationFiled: August 18, 2006Publication date: April 12, 2007Applicant: AKZO NOBLE N.V.Inventors: Paul Ratcliffe, Julia Adam-Worrall, Angus Morrison, Stuart Francis, Takao Kiyoi
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Publication number: 20070082972Abstract: The invention relates to the use of a polymer including salts of amine-functional groups and/or salts of phosphine-functional groups bound (pendant) to the backbone of the polymer, said salts including as counter-ion the anionic residue of an acid having an aliphatic, aromatic, or alkaryl hydrocarbon group comprising at least 5 carbon atoms in antifouling compositions. The invention further relates to antifouling compositions including such a polymer.Type: ApplicationFiled: January 11, 2005Publication date: April 12, 2007Applicant: AKZO NOBEL COATINGS INTERNATIONAL B.V.Inventor: Clayton Price
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Publication number: 20070071665Abstract: A derivative of aspartic acid is used as a collector for a phosphate containing mineral, such as apatite, in a froth flotation process. According to the invention the collector has a high selectivity for phosphate containing minerals even in the presence of carbonate minerals, such as calcite. The derivative has the formula (1) where RI is a hydrophobic group containing a hydrocarbon group of 6-24 carbon atoms; RII is an alkyl group with 1-7 carbon atoms or a group of the formula (B)yH, in which B is an alkyleneoxy group with 24 carbon atoms and y is a number from 1 to 10; and M is a group selected from the group consisting of a cation or hydrogen. Methods for producing the derivative are also described.Type: ApplicationFiled: November 5, 2004Publication date: March 29, 2007Applicant: AKZO NOBEL N.V.Inventors: Ludwig Eisenhuth, Elisabeth Henriksson, Anders Klingberg
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Patent number: 7192989Abstract: The present invention relates to a method of preparing expanded thermoplastic microspheres, comprising charging thermally expandable microspheres into an expansion device comprising rotating feeding means enveloped by a hollow body, and one or more scrapers. The invention further relates to an expansion device for expanding thermoplastic microspheres.Type: GrantFiled: December 17, 2003Date of Patent: March 20, 2007Assignee: Akzo Nobel N.V.Inventors: Lars-Olof Svedberg, Guy Hovland, Thomas Holmlund
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Publication number: 20070059267Abstract: 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: ApplicationFiled: December 15, 2004Publication date: March 15, 2007Applicant: AKZO NOBEL N.V.Inventors: Peter Boström, Leif Karlson