Abstract: The present invention provides a formulation comprising a pesticide and/or a plant growth regulator; an acyl morpholine of the formula (I) where R is H, CH3 or C2H5; and a polar aprotic co-solvent different from an acyl morpholine of formula (I). The formulation can be used in treatment of plants, and is especially well suited for use as a soluble liquid formulation.
Type:
Application
Filed:
May 24, 2011
Publication date:
May 23, 2013
Applicant:
AKZO NOBEL CHEMICALS INTERNATIONAL B.V.
Abstract: The present invention relates to process to prepare a polymer by an aqueous emulsion or suspension polymerisation process wherein a monomer mixture is polymerised in the presence of a free radical initiator and a stabiliser, to the emulsion and redispersible polymer powder obtainable therewith, and to the use of this emulsion and powder in a building material composition, in particular to hydrophobise the building material composition, wherein the monomer mixture comprises (i) 0.5-80 wt. % of biomonomers containing an ester of a polyol and at least one fatty acid, the polyol having 2 to 10 hydroxy groups, and at least one vinyl group; (ii) 20-99.5 wt.
Type:
Application
Filed:
May 9, 2011
Publication date:
May 23, 2013
Applicant:
AKZO NOBEL CHEMICALS INTERNATIONAL B.V.
Abstract: An aqueous liquid colorant composition having a volatile organic content up to 50 g/l and suitable for colouring aqueous or solventborne architectural coatings and basepaints comprising based on the total weight of the composition, i) from 0 to 26% of non-volatile organic liquid having a vapour pressure up to 1.3 N/m2 at 25° C. ii) from 2 to 13% of stabilising agent iii) from 4 to 77% of colour pigment iv) from 0 to 8% of rheology modifying clay v) from 0 to 20% of extender wherein the ratio of the combined weight of iii)+iv)+v): the combined weight of i)+ii) is from 0.8 to 2.75:1 and the combined weight of the non-volatile organic liquid i) and the stabilising agent ii) is no greater than 24% and the combined weight of the rheology modifying clay iv) and the extender v) is at least 2% when the amount of colour pigment is less than 51%.
Type:
Application
Filed:
May 30, 2011
Publication date:
May 23, 2013
Applicant:
Akzo Nobel Coatings International B.V.
Inventors:
Fiona McLachlan, Paul John Christopher Sasada, Alban Elroy Richardson
Abstract: The present invention relates to a process of producing a cellulosic fibre web comprising a) providing a cellulosic suspension to which a debonder system can be added, b) dewatering the cellulosic suspension and forming a cellulosic fibre web, and c) applying a smectite clay to said cellulosic fibre web with or without adding a polymer in an amount from about 0.01 to about 2 kg/t dry cellulosic fibres. The invention also relates to a web obtainable by the process.
Type:
Application
Filed:
March 25, 2011
Publication date:
May 16, 2013
Applicant:
AKZO NOBEL CHEMICALS INTERNATONAL B.V.
Inventors:
Kerstin Malmborg, Fredrik Solhage, Arne Olov Roland Andersson
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
Abstract: The invention relates to an aqueous coating composition for forming a peelable temporary coating on a substrate, said aqueous coating composition comprising at least one water based film-forming polymer, characterized in that the composition additionally comprises solid particles of an amino resin based polymer.
Type:
Grant
Filed:
June 3, 2008
Date of Patent:
May 14, 2013
Assignee:
Akzo Nobel Coatings International B.V.
Inventors:
Mark Johannes Maria Van Ginneken, Edward Marinus, Petrus Henricus De Bruin
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.
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.
Abstract: An aqueous coating composition having a PVC of from 78 to 88% comprising, based on the total volume solids of the dry coating unless otherwise stated: a) opacifying pigment particles comprising i) from 3 to 10% titanium dioxide, ii) from 0 to 20% of hollow polymeric particles; b) non-opacifying extender particles comprising i) calcium magnesium carbonate, and/or ii) calcium carbonate, and/or iii) nepheline syenite, and/or iv) kaolin, wherein i)+ii)+iii)+iv)=40 to 80%, and iv) is 0 to 20%; c) polymer binder particles of calculated Fox Tg of from 25 to 70° C. having an acid value of from 15 to 65 mg KOH/g of polymer and wherein the polymer particles are derived from acrylic monomers and optionally further comprising styrene and/or its derivatives; d) dispersant having a weight average molecular weight of at least 3500 Daltons; e) fugitive coalescing solvent; wherein the composition is free of non-fugitive coalescing solvent.
Type:
Grant
Filed:
April 21, 2011
Date of Patent:
May 7, 2013
Assignee:
Akzo Nobel Coatings International B.V.
Inventors:
Stephen Arthur Wheeler, Anthony David Woods, Simon Nicholas Emmett, Javier Perez-Amoros
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.
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
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.
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.
Abstract: The present invention relates to a curable mixture suitable for obtaining “easy-to-clean” properties in the cured mixture, comprising at least one mineral binder, a powder comprising at least one fluoroorganyl-substituted silicon compound encapsulated in a water-soluble polymer, the amount of the silicon compound being 0.001% to 8% by weight, based on the present mixture, and optionally further adjuvants, and also to a process for preparing the mixture and to the use thereof. The invention further relates to a water-redispersible powder and also to a corresponding intermediate for use in the curable mixture in order to obtain “easy-to-clean” properties in the cured mixture. Also claimed, furthermore, is a process for preparing the powder, and the use thereof.
Type:
Application
Filed:
March 30, 2011
Publication date:
April 4, 2013
Applicants:
Akzo Nobel Chemicals International B.V., Evonik Degussa GmbH
Inventors:
Manuel Friedel, Philipp Albert, Burkhard Standke, Spomenko Ljesic, Ulf Kehrer
Abstract: The invention relates to a hardener composition for use in an amino resin based adhesive system, comprising an aliphatic alpha hydroxy- mono-, or di-, carboxylic acid, and polyvinyl alcohol. It also relates to an adhesive system and a method of gluing wooden materials.
Type:
Grant
Filed:
June 27, 2008
Date of Patent:
April 2, 2013
Assignee:
Akzo Nobel Coatings International B.V.
Inventors:
Hans Ekblom, Sara Fäldt, Ingvar Lindh, Benyahia Nasli-Bakir
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
Abstract: A process of preparing a silica sol is described. The process involves reacting a fresh sol with guanidine carbonate. The reaction may be conducted in the presence of a base (e.g., sodium water glass), and at a pH of from 8 to 12. The process of the present invention may also include concentrating steps. The silica sol prepared by the method of the present invention has a BET surface area of greater than or equal to 100 m2/g, and contains from 0.05 to 15% by weight of gaunidinium ions, based on the total weight of the silica gel.
Type:
Application
Filed:
September 14, 2012
Publication date:
March 21, 2013
Applicant:
Akzo Nobel Chemicals International B.V.
Abstract: A superhydrophilic amphiphilic copolymer and process for making the superhydrophilic amphiphilic copolymer includes a low molecular weight polysaccharide modified with a hydrophobic reagent, such as substituted succinic anhydride. The superhydrophilic amphiphilic copolymer system generates stable foam for use in applications, such as healthcare formulations, with low irritation of the eyes and skin.
Type:
Grant
Filed:
October 7, 2009
Date of Patent:
March 19, 2013
Assignee:
Akzo Nobel Chemicals International B.V.
Inventors:
Joseph B. Gardner, Michael J. Fevola, Frank C. Sun, Russel M. Walters
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.
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.