Patents Assigned to Akzo
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Patent number: 7674833Abstract: The present invention relates to a method of preparing a composition comprising mixing a silica sol having an S-value from about 5 to about 50% and a mineral acid. The invention also relates to a composition obtainable by the method and a composition comprising a network of silica particles and mineral acid, wherein the silica particles have a particle size of from about 2 to about 7 nm. The invention also relates to the use of the composition as a gelled electrolyte.Type: GrantFiled: November 9, 2004Date of Patent: March 9, 2010Assignee: Akzo Nobel N.V.Inventors: Peter Greenwood, Hans Lagnemo, Matthew Reed
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Patent number: 7674817Abstract: The antimicrobial acid-catalyzed coating composition of the invention is an acid-catalyzed coating composition formulated with at least one antimicrobial agent to provide antimicrobial activity to the coating composition and an article coated therewith.Type: GrantFiled: May 12, 2005Date of Patent: March 9, 2010Assignee: Akzo Nobel Coatings International B.V.Inventor: James H. Bray, III
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Publication number: 20100056376Abstract: 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.Type: ApplicationFiled: March 23, 2007Publication date: March 4, 2010Applicants: MONSANTO TECHNOLOGY LLC, AKZO NOBEL N.V.Inventors: Shawn Zhu, Giao Nguyen, Kha Nguyen, Alberto Slikta, David Eaton, David Becher, Henry Agbaje, Michael Seitz
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Publication number: 20100055027Abstract: 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: ApplicationFiled: January 3, 2008Publication date: March 4, 2010Applicant: Akzo Nobel N.V.Inventors: Kalle Hans Thomas Pelin, Fredrik Persson, Erika Stoltz
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Publication number: 20100056375Abstract: The present invention generally relates to an aqueous herbicidal formulation that comprises at least one phenoxy acid herbicide or an agriculturally acceptable salt or derivative thereof, and an alkylamidopropyl dialkylamine surfactant adjuvant, wherein said surfactant adjuvant comprises at least one surfactant having the formula (I) wherein R is a straight or branched chain, saturated or unsaturated acyl group having 6-22 carbon atoms, n is 3, and Y and Y? are, independently, an alkyl group having 1-4 carbon atoms or (AO)sH, wherein AO is an alkyleneoxy group having 2-4 carbon atoms, and s is on average 1-10; provided that at least one of the groups Y and Y? is an alkyl group having 1-4 carbon atoms; or a salt thereof; or a quaternised derivative of (I) having the formula (II) wherein R is a straight or branched chain, saturated or unsaturated acyl group having from 6 to 22 carbon atoms; n is 3; Y and Y? are, independently, an alkyl group having 1-4 carbon atoms or (AO)sH, wherein AO is an alkyleneoxy groupType: ApplicationFiled: December 3, 2007Publication date: March 4, 2010Applicant: Akzo Nobel N.V.Inventors: Claes Johan Markus Jönsson, Shawn Zhu
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Patent number: 7671006Abstract: The present invention relates to the use of phosphated 2-propylheptanol or a phosphated 2-propylheptanol alkoxylate as a hydrotrope in aqueous alkaline solutions for a C8-C18-alcohol alkoxylate containing 1-20 ethyleneoxy units. It also relates to a phosphated 2-propylheptanol alkoxylate per se, and an alkaline cleaning composition comprising a C8-C18-alcohol alkoxylate containing 1-20 ethyleneoxy units and phosphated 2-propylheptanol and/or a phosphated 2-propylheptanol alkoxylate as a hydrotrope. The cleaning compositions may be used for industrial cleaning of hard surfaces, for example for vehicle cleaning or machine dishwashing.Type: GrantFiled: November 10, 2008Date of Patent: March 2, 2010Assignee: Akzo Nobel N.V.Inventors: Mahnaz Company, Magnus Franck, Anette Thyberg
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Patent number: 7670460Abstract: 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: GrantFiled: December 20, 2006Date of Patent: March 2, 2010Assignee: Akzo Nobel N.V.Inventors: Michael Persson, Marek Tokarz, Maj-Lis Dahlgren
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Publication number: 20100043970Abstract: The present invention relates to a method of producing a wood based product comprising applying a water-based adhesive composition comprising non-gelatinised starch, the composition further comprises from 0.1 to 50 weight % of one or more polymers (P) containing an amine group or an amide group, onto one or more pieces of a wood-based material and joining the one or more pieces with one or more further pieces of a wood based material.Type: ApplicationFiled: December 7, 2007Publication date: February 25, 2010Applicant: AKZO NOBEL COATING INTERNATIONAL B.V.Inventors: Farideh Khabbaz, Per Anders Eriksson, Joanna Fare, Anna Kristina Furberg
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Publication number: 20100048768Abstract: The invention relates to a cellulosic product containing thermoplastic microspheres and a charged aromatic acrylamide-based polymer. The invention further relates to a process for a process for producing a cellulosic product which comprises providing an aqueous suspension containing cellulosic fibres; adding to the suspension thermoplastic microspheres and a charged aromatic acrylamide-based polymer; and dewatering the obtained suspension. The invention also relates to the use of the cellulosic product as a liquid packaging board.Type: ApplicationFiled: November 29, 2007Publication date: February 25, 2010Applicant: AKZO NOBEL N.V.Inventor: Fredrik Solhage
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Publication number: 20100047404Abstract: The invention relates to a packaging laminate comprising at least one base layer of paper or paper board and at least one liquid barrier layer, said paper or paper board being sized with a formulation comprising a sizing agent selected from the group consisting of ketene dimers and multimers, succinic anhydrides, rosins and mixtures thereof, and also comprising an acrylamide based polymer The invention further relates to the production and use of a packaging laminate and a package for food or beverage products and its production.Type: ApplicationFiled: November 29, 2007Publication date: February 25, 2010Applicant: AKZO NOBEL N.V.Inventors: Hans Hällström, Susanne Gratz, Fredrik Solhage
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Patent number: 7666963Abstract: Hybrid copolymers for use as anti-scalant and dispersant. The polymers are useful in compositions used in aqueous systems. The polymers include at least one synthetic monomeric constituent that is chain terminated by a naturally occurring hydroxyl containing moiety. A process for preparing these hybrid copolymers is also provided.Type: GrantFiled: July 18, 2006Date of Patent: February 23, 2010Assignee: Akzo Nobel N.V.Inventors: Klin A. Rodrigues, Darin K. Griffith
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Patent number: 7662306Abstract: The present invention generally relates to polysilicate microgels. More specifically, the invention relates to a process for preparing aqueous polysilicate microgels which comprises mixing an aqueous solution of alkali metal silicate with an aqueous phase of silica-based material having a pH of 11 or less, to polysilicate microgels per se and to the use thereof as flocculating agents in paper making and water purification. The invention further relates to a process for the production of paper from a suspension of cellulosic fibers, and optional filler, which comprises adding to the suspension at least one cationic or amphoteric organic polymer and a polysilicate microgel, forming and draining the suspension on a wire.Type: GrantFiled: December 6, 1999Date of Patent: February 16, 2010Assignee: Akzo Nobel NVInventors: Michael Persson, Bozena Stanislawa Tokarz, Maj-lis Dahlgren, Hans Johansson-Vestin
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Publication number: 20100032117Abstract: 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: ApplicationFiled: December 18, 2007Publication date: February 11, 2010Applicant: Akzo Nobel N.V.Inventors: Patrik Simonson, Marek Tokarz, Katarina Gutke
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Patent number: 7658819Abstract: The invention relates to a composition used for enhancing softness in paper products. The composition comprises (i) an oil, fat or wax (i) at least one non-ionic surfactant (iii) at least one anionic compound selected from anionic microparticles and anionic surfactants (iv) at least one polymer which is cationic, non-ionic or amphoteric wherein the non-ionic surfactant is added in an amount of from about 60 to about 1000 parts by weight per 100 parts by weight of the polymer. The invention also relates to a process for production of paper comprising adding said composition to a cellulosic suspension or to a wet or dry paper web.Type: GrantFiled: December 16, 2005Date of Patent: February 9, 2010Assignee: Akzo Nobel N.V.Inventors: Jonas Liesén, Arne Andersson, Kerstin Malmborg-Nyström
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Publication number: 20100029810Abstract: The invention relates to aqueous dispersions, characterized in that they comprise (c) at least one aqueous silicon dioxide dispersion with a mean particle diameter of the SiO2-particles of 1 to 400 nm and (d) at least one water-soluble hydroxyl-containing organic compound, to a process for their preparation and to their use in adhesive and coating formulations.Type: ApplicationFiled: September 20, 2007Publication date: February 4, 2010Applicant: Akzo Nobel Chemicals International B.V.Inventors: Dietrich Pantke, Peter-Nikolaus Schmitz, Hartmut Melzer, Rüdiger Musch
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Publication number: 20100029822Abstract: The invention relates to a process for the production of a layered double hydroxide comprising carbonate by preparing a divalent and trivalent metal ion source-containing slurry, which is subsequently treated solvothermally. If the slurry does not contain a divalent metal ion source containing carbonate, a carbonate source is added during or after the solvothermal treatment.Type: ApplicationFiled: September 19, 2007Publication date: February 4, 2010Applicant: AKZO NOBEL N.V.Inventors: Marianne Frederika Reedijk, Auke Gerardus Talma, Aaldert Johannes De Jong
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Publication number: 20100024998Abstract: 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: ApplicationFiled: November 27, 2007Publication date: February 4, 2010Applicant: Akzo Nobel N.V.Inventors: Ylva Wildlock, Anette Monica Heijnesson-Hulten
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Publication number: 20100022485Abstract: The invention relates to aqueous formulations comprising alkoxylated castor oils with 15-25 ethyleneoxy units and a vitamin, preferably a fat-soluble vitamin, as well as to the use of such formulations in the process to administer the vitamin to an animal, or to make personal care formulations comprising the vitamin.Type: ApplicationFiled: June 25, 2007Publication date: January 28, 2010Applicant: Akzo Nobel N.V.Inventor: Inger Olausson
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Patent number: 7651977Abstract: The present invention provides an improved herbicidal composition including (a) an effective amount of an herbicidal cyclohexanedione oxime compound or agriculturally acceptable salt thereof; (b) one or more esters of a fatty acid; (c) a salt of dodecylbenzenesulfonic acid; (d) at least one nonionic surfactant selected from the group consisting of polyoxyethylene plant oils and polyoxyethylene sorbitan esters; and (e) optionally an aromatic hydrocarbon solvent. The present invention also provides a method for controlling the growth of vegetation, by applying to the vegetation the composition of the present invention.Type: GrantFiled: October 28, 2004Date of Patent: January 26, 2010Assignees: Valent U.S.A. Corporation, Akzo Nobel Surface Chemistry LLCInventors: James Lyle Hazen, Aleksander Edward Karczewski, Yabin Lei, Jane Qing Liu, Evelyn Jean Taylor
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Publication number: 20100012885Abstract: Hydrophobically modified polymers for use as anti-scalant and dispersant. The polymers are useful in compositions used in aqueous systems. The polymers include at least one hydrophilic acid monomer, wherein the at least one hydrophilic acid monomer is a polymerizable carboxylic acid or sulfonic acid functionality but not both. The polymers also include at least one hydrophobic moiety. A solvent-free process for preparing these polymers is also provided.Type: ApplicationFiled: September 23, 2009Publication date: January 21, 2010Applicant: Akzo Nobel N.V.Inventor: Klein A. RODRIGUES