Patents Assigned to Akzo
-
Publication number: 20150024214Abstract: The present invention relates to a curable coating composition, comprising: (a) a curable coating resin comprising thiol-reactive groups, (b) a thiolated norbornene curing agent for the curable coating resin, the thiolated norbornene curing agent comprising on average at least 1.0 thiol group per molecule, and (c) an accelerator for accelerating the reaction between the thiol reactive-groups on the curable coating resin and the thiol groups on the thiolated norbornene curing agent. These coating compositions can be cured at ambient temperature and provide a coated surface that can be walked on after only a couple of hours. The coating compositions in general have a VOC below 250 g/L. The coating compositions can be used for the protection of large steel structures, such as ships, buildings, bridges, industrial plants, and oil production installations.Type: ApplicationFiled: January 16, 2013Publication date: January 22, 2015Applicant: AKZO NOBEL COATINGS INTERNATIONAL B.V.Inventors: Colin Cameron, Michael Leslie Malthouse, Alastair Robert Marrion, Antony Colin Wright, Matthew George Unthank
-
Patent number: 8937033Abstract: The present invention relates to the use of phosphated 2-propylheptanol, phosphated 2-proyplheptanol alkoxylate and/or mixtures thereof in agricultural formulations. The invention also relates to agricultural formulations comprising the aforementioned adjuvants, and to methods of treating a plant with the agricultural formulations of the invention.Type: GrantFiled: July 13, 2005Date of Patent: January 20, 2015Assignee: Akzo Nobel N.V.Inventor: Mark Alexander
-
Patent number: 8936159Abstract: The present invention relates to the use of a polymeric quaternary ester product as a collector in a froth flotation process, to a method for froth flotation utilizing the polymeric quaternary ester, to the polymeric quaternary ester as such, and to methods for the production of the polymeric quaternary ester.Type: GrantFiled: May 25, 2011Date of Patent: January 20, 2015Assignee: Akzo Nobel Chemicals International B.V.Inventors: Natalija Gorochovceva, Anders Klingberg
-
Publication number: 20150017336Abstract: The invention relates to a non-aqueous liquid coating composition comprising a) a polyol, b) a polyisocyanate crosslinker c) one or more thiol-functional compounds, d) a metal-based curing catalyst for catalyzing the addition reaction of isocyanate groups and hydroxyl groups, e) a base having a pKa value of at least 7, and which base does not react with isocyanate groups in a way wherein the basicity is reduced, and f) one or more acid group-containing compounds, wherein the one or more thiol-functional compounds are present in an amount to provide a molar ratio of thiol groups over the metal atoms of the metal-based curing catalyst of 1 or higher, and wherein the base is present in a molar amount lower than the molar amount of thiol groups, and wherein the molar ratio of acid groups and base groups is 1:1 or higher.Type: ApplicationFiled: March 4, 2013Publication date: January 15, 2015Applicant: AKZO NOBEL COATINGS INTERNATIONAL B.V.Inventors: Taco Scherer, Nicolaas Jacob Van Beelen, Antonius Josephus Van Der Putten, Arnoldus Adrianus Jozef Maria Van Adrichem, David Elias Bruin, Marcella Gagliardo
-
Patent number: 8932496Abstract: A method of preparing an aqueous dispersion comprising silver particles of mean diameter from 0.5 to 25 nm by weight and an aqueous carrier liquid, including the steps of i) providing a mixture comprising at least one silver salt, aqueous carrier liquid and a stabiliser for the particles ii) contacting the mixture with a non-ionic or covalent reducing agent to form a reaction mixture iii) causing the at least one silver salt to react with the reducing agent to form a dispersion comprising silver particles and acid wherein step iii) is partly or completely performed in the presence of anion exchange resin whereby the acid is exchanged for a hydroxide ion from the resin and/or is sorbed by the resin.Type: GrantFiled: December 14, 2009Date of Patent: January 13, 2015Assignee: Akzo Nobel Coatings International B.V.Inventors: Richard Buscall, Derek Graham, Rory Anderson, Peter Joseph Scales, Paul Mulvaney, Robert James Eldridge
-
Publication number: 20150007956Abstract: The invention relates to a sol containing silica-based particles having an axial ratio of at least about 10 and specific surface area of at least about 600 m2/g. The invention further relates to a sol containing silica-based particles having an axial ratio of at least about 10 and S-value up to about 25. The invention further relates to a sol containing silica-based particles having an axial ratio of at least about 10 and a specific surface area of at least about 400 m2/g, wherein the silica-based particles are surface-modified. The invention further relates to a sol containing silica-based particles having a viscosity of at least 50 cP and silica content of at least about 3% by weight, wherein the silica-based particles have a specific surface area of at least about 400 m2/g.Type: ApplicationFiled: September 24, 2014Publication date: January 8, 2015Applicant: AKZO NOBEL N.V.Inventors: Michael PERSSON, Freddie HANSSON, Annika Viola PAL, Lars LINDAHL, Joakim CARLÉN
-
Publication number: 20150005216Abstract: The present invention relates to the use of solutions containing glutamic acid N,N-diacetic acid or a salt thereof (GLDA) and/or methylglycine N,N-diacetic acid or a salt thereof (MGDA) in treating subterranean formations, wherein the solutions contact carbon steel-containing equipment, and to a system containing a carbon steel-containing material in contact with a solution containing glutamic acid N,N-diacetic acid or a salt thereof (GLDA) and/or methylglycine N,N-diacetic acid or a salt thereof (MGDA), at elevated temperatures and/or employing carbon steel types as usually found in subterranean formations.Type: ApplicationFiled: February 11, 2013Publication date: January 1, 2015Applicant: Akzo Nobel Chemicals International B.V.Inventors: Cornelia Adriana De Wolf, Albertus Jacobus Maria Bouwman, Hisham Nasr-El-Din
-
Patent number: 8921503Abstract: The invention relates to a coating composition for use as a coating to prevent fouling in a marine environment, comprising: a) a curable polysiloxane polyoxyalkylene block copolymer; b) a catalyst of general formula (i) wherein each R1 is independently a monovalent hydrocarbon group, each R2 is independently selected from a hydrogen atom, a monovalent organic group, a siloxane group, or a silyl group of formula —SiR33, wherein each R3 is independently a monovalent hydrocarbon group, and n is an integer having a value of 0 or greater, and optionally: c) a filler and/or pigment.Type: GrantFiled: March 28, 2012Date of Patent: December 30, 2014Assignee: Akzo Nobel Coatings International B.V.Inventors: David Neil Williams, David Anthony Stark, Lyndsey Tyson
-
Patent number: 8920603Abstract: The present invention relates to a process of bleaching pulp derived from an alkaline pulping process having a hexenuronic acid content prior to the final bleaching stage from about 1 to about 80 mmol/kg dry pulp, said process comprising three chlorine dioxide stages D0, D1, and D2, wherein the chlorine dioxide charges based on the total chlorine dioxide charge in a) D0 is from about 40 to about 60%; b) D1 is from about 30 to about 55%; c) D2 is from about 4 to about 20%, and wherein the final chlorine dioxide stage D2 is performed at a pH from about 2 to about 4.5. The invention also relates to a bleached pulp obtainable by the process.Type: GrantFiled: October 10, 2007Date of Patent: December 30, 2014Assignee: Akzo Nobel N.V.Inventors: Magnus Björklund, Thomas Christopher Greschik, Håkan Fägersten
-
Patent number: 8920933Abstract: An autoxidisable aqueous varnish composition comprising: a) film forming polymer latex binder system comprising, on a non-vol basis, i) 40-60 wt % soft autoxidisable polymer particles of Fox Tg less than 5° C., ii) 60-40 wt % hard polymer particles of Fox Tg at least 40° C. wherein the soft autoxidisable polymer particles comprise at least 60 wt % gel b) a carrier liquid comprising at least 50 wt % water and an amount of a volatile organic material of from 0 to 2 wt % when calculated on the total liquid varnish composition, c) optionally pigment at a pigment to binder weight ratio up to 0.05:1 calculated on a non-vol basis.Type: GrantFiled: June 15, 2010Date of Patent: December 30, 2014Assignee: Akzo Nobel Coatings International B.V.Inventors: Hugues Straub, Manish Sarkar, Barry Norman Osborn, James Stephen Wixey
-
Publication number: 20140378309Abstract: Gel prevention agents and methods for use with agricultural products include certain alkylamidoamines and their quaternary ammonium counterparts that, when blended with products containing alkoxylated surfactants, the alkylamidoamines and their quaternary counterparts reduce the gel formation tendency of such products.Type: ApplicationFiled: September 8, 2014Publication date: December 25, 2014Applicant: AKZO NOBEL N.V.Inventor: Shawn ZHU
-
Publication number: 20140366776Abstract: An aqueous paint composition comprising by weight of the total composition i) from 1 to 6%, preferably from 2 to 5% chelating thickener ii) from 2 to 8%, preferably from 3 to 5% clay thickener and iii) from 0 to 30%, preferably 5 to 20% clay extender whereby said composition is capable of being formed into a self-supporting, dimensionally stable paint bodyType: ApplicationFiled: June 16, 2014Publication date: December 18, 2014Applicant: AKZO NOVEL COATINGS INTERNATIONAL B.V.Inventor: Gary Thomas WREN
-
Publication number: 20140371126Abstract: A detergent composition comprising 10 to 60 wt % detergent surfactant and 0.1 to 10 wt % of a soil release agent comprising a water soluble addition polymer having a backbone prepared from (meth)acrylic, vinylic and/or (meth)acrylamido and pendent di- and/or tri-styryl groups attached thereto.Type: ApplicationFiled: August 28, 2012Publication date: December 18, 2014Applicant: Akzo Nobel Chemicals international B.V.Inventors: Klin Aloysius Rodrigues, Daniel Woodson Verstrat, Allen Mark Carrier, Martin Charles Crossman, Adam Peter Jarvis, Susanne Henning Rogers
-
Publication number: 20140371492Abstract: Process for the chlorination of an organic compound comprising at least one aliphatic hydroxyl group, said process comprising the steps of actively adding to said organic compound (i) hydrogen chloride and (ii) a HCl desolubilizer or a precursor thereof, and heating the resulting mixture at a reaction temperature in the range 20°-160° C., wherein said chlorination is performed in the presence of a catalyst selected from the group consisting of (a) ketones, (b) aldehydes, (c) carboxylic acids with 1-8 carbon atoms, (d) organic compounds comprising a ?-diketone moiety or a ?-keto aldehyde moiety, and (e) organic polymers comprising at least one carbonyl group, having a vapour pressure at the reaction temperature of less than 1 mbar, a weight average molecular weight Mw of 500 g/mole or more, and are soluble in the reaction mixture at the reaction temperature, and wherein the HCl desolubilizer is an alkali metal chloride salt, an alkaline earth metal chloride salt, or an acid.Type: ApplicationFiled: September 6, 2012Publication date: December 18, 2014Applicant: AKZO NOBEL CHEMICALS INTERNATIONAL B.V.Inventors: Antoon Jacob Berend Ten Kate, André Michiel Koolaard, Eilertdina Henderika Renkema, Carolina Anna Maria Christina Dirix, Luc Louis Théophile Vertommen
-
Patent number: 8911796Abstract: The present invention relates to a sodium chloride composition comprising an iron complex of tartaric acid wherein between 55 and 90% by weight of the tartaric acid is meso-tartaric acid. The present invention furthermore relates to a process to prepare such a sodium chloride composition and to the use of such a sodium chloride composition.Type: GrantFiled: May 27, 2010Date of Patent: December 16, 2014Assignee: Akzo Nobel Chemicals International B.V.Inventors: Hendrikus Wilhelmus Bakkenes, Roberto Aloysius Gerardus Maria Bergevoet, Johannes Albertus Maria Meijer, Maria Steensma
-
Publication number: 20140357892Abstract: The process of the present invention pertains to a process wherein a liquid feed comprising monochioroacetic acid, dichloroacetic acid, and optionally acetic acid and/or trichioroacetic acid is subjected to a catalytic hydrodechlorination step by contacting it with a source of hydrogen in the presence of a solid heterogeneous hydrogenation catalyst situated in a fixed catalyst bed, wherein the liquid feed is fed to the top of avertical tubular reactor at a superficial mass velocity of between and 10 kg/s per square meter of the horizontal cross-section of the vertical tubular reactor and a rate of between 250 and 3,000 kg/hr per m of said catalyst bed, wherein the source of hydrogen is fed to the top or bottom of the vertical tubular reactor at a rate of between 0.025 to 0.Type: ApplicationFiled: October 17, 2012Publication date: December 4, 2014Applicant: AKZO NOBEL CHEMICALS INTERNATIONAL B.V.Inventors: Melle Rinze Nieuwhof, Cornelis Kooijman, Hendrik Jan Vos, Lars Magnus Tollin, Jacobus Van Den Berg, Henricus Johannes Marinus Petrus Van Hal
-
Patent number: 8900612Abstract: The present invention relates in general to the use of amides of the following general formula (I) wherein R1 is a linear or branched hydrocarbyl group containing 9 to 14 carbon atoms; R2 is selected from the group consisting of methyl, ethyl and benzyl; and R3 is selected from the group consisting of hydrogen, methyl and ethyl, as solvents for organic agriculturally active ingredients, compositions comprising organic agriculturally active ingredients and such amides, methods for treating a plant utilizing such compositions, as well as some of the amides as such and methods for their production.Type: GrantFiled: December 23, 2010Date of Patent: December 2, 2014Assignee: Akzo Nobel Chemicals International B.V.Inventors: Adrianus Marinus Groenewegen, Kornelis Overkempe, Peter Westbye
-
Publication number: 20140349024Abstract: A process of applying a protective coating to a vessel, wherein the protective coating is selected on the basis of risks associated with regions where the vessel is expected to travel.Type: ApplicationFiled: December 19, 2012Publication date: November 27, 2014Applicant: AKZO NOBEL COATINGS INTERNATIONAL B.V.Inventors: Richard Mark Ramsden, Robert Matthew Curran, Jeremy C. Thomason
-
Publication number: 20140349138Abstract: A drier for air-drying an auto-oxidizable resin composition, said drier comprising: 1,4,7-trialkyl-1,4,7-triazacyclononane (L); a manganese salt having the general formula Mn2+[X]n, wherein anion X is selected from PF6?, SbF6?, AsF6?, BF4?, B(C6F5)4?, CI?, Br?, I?, NO3, or R2COO? in which case n=2, or the anion X is SO42? in which case n=1, and wherein R2 is C1-C20 alkyl optionally substituted with heteroatoms, C6-C20) aryl optionally substituted with heteroatoms, or a polymeric residue; wherein the 1,4,7-trialkyl-1,4,7-triazacyclononane (L) is present in the mixture in an amount such that the molar ratio of Mn:L is at least 1.25:1 and preferably at least 1.5:1.Type: ApplicationFiled: December 17, 2012Publication date: November 27, 2014Applicant: AKZO NOBEL COATINGS INTERNATIONAL B.V.Inventors: Michel Daniel Meijer, Eddy Van Weelde, Joseph Theodorus Maria Van Dijk, Jitte Flapper
-
Publication number: 20140342163Abstract: A mixture for use as a drier for air-drying an auto-oxidizable resin composition, said mixture comprising : 1,4,7-trialkyl-1,4,7-triazacyclononane (L); and, a manganese salt having the general formula Mn2+[X]n, wherein anion X is selected from PF6?, SbF6?, AsF6?, BF4?, B(C6F5)4?, Cl?, Br?, I?, NO3?, or R2COO? in which case n=2, or the anion X is SO42? in which case n=1, and wherein R2 is C1-C20 alkyl optionally substituted with heteroatoms, C6-C20 aryl optionally substituted with heteroatoms, or a polymeric residue; wherein the 1,4,7-trialkyl-1,4,7-triazacyclononane (L) is present in the mixture in an amount such that the molar ratio of L:Mn is at least 1.25:1 and more preferably at least 1.5:1.Type: ApplicationFiled: December 17, 2012Publication date: November 20, 2014Applicant: AKZO NOBEL COATINGS INTERNATIONAL B.V.Inventors: Michel Daniel Meijer, Eddy Van Weelde, Joseph Theodorus Maria Van Dijk, Jitte Flapper