Patents Assigned to Akzo
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Patent number: 7846997Abstract: The invention relates to a solid pigment preparation comprising at least 35% by weight of one or more pigments and at most 65% by weight of a dispersant resin, wherein the dispersant resin comprises a polyester backbone having at least one pendent hydrophilic polyalkylene oxide monoalkylether group, the dispersant resin comprising 30 to 80% by weight of alkylene oxide units and having a number average molecular weight of 1,000 to 150,000.Type: GrantFiled: October 3, 2006Date of Patent: December 7, 2010Assignee: Akzo Nobel Coatings International B.V.Inventors: Klaas Jan Hendrik Kruithof, Rienk Hettema, Roger MacLiver Roy, Hendrik Meijer
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Patent number: 7842757Abstract: The invention relates to a solid pigment preparation comprising a pigment and a dispersant resin, wherein the composition comprises at least 35% by weight of at least one pigment and at most 65% by weight of dispersant resin, calculated on the combined weight of pigment and dispersant resin, wherein the dispersant resin comprises a polymer backbone produced by chain-reaction polymerization having pendent hydrophilic polyalkylene oxide side groups, and wherein the pigment particles within the preparation have average particle sizes in the range of 50 nm to 5,000 nm.Type: GrantFiled: October 3, 2006Date of Patent: November 30, 2010Assignee: Akzo Nobel Coatings International B.V.Inventors: Jamie MacLiver Roy, Hendrik Jan Willem Van Den Haak, Roger Francis Graham Brown
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Publication number: 20100298464Abstract: A process of making a polymerisable ethylenically unsaturated macromonomer from an unsaturated non-mineral oil, the oil being a mixture of triglycerides, some of which comprise at least one fatty acid having at least two non-conjugated unsaturated bonds at least one of which is ethylenically unsaturated, the process comprising the steps of: i) conjugating the non-conjugated unsaturated bonds, ii) reacting the reaction product of step (i) with an enophile having an acid, ester or anhydride moiety to form an adduct, iii) reacting the adduct with an ethylencially unsaturated monomer having a moiety reactive with the acid, ester or anhydride moiety of the enophile to form an intermediate iv) reacting the intermediate of step (iii) with a chain extender having at least two moieties reactive with the acid, ester or anhydride moiety of the enophile to form the macromonomer, where the oil has an iodine value of from 110 to 180 g of iodine per 100 g of oil.Type: ApplicationFiled: December 16, 2008Publication date: November 25, 2010Applicant: AKZO NOBEL COATINGS INTERNATIONAL B.V.Inventors: Jeff T. Carter, Steve Quinn
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Publication number: 20100298807Abstract: The invention pertains to an applicator (1) for inserting an implant, in particular a rod-like implant (2) containing an active substance, under the skin of a human or animal, comprising a housing (3), a cannula (6), a cannula holder (9), an implant (2) accommodated inside the cannula (6) and/or the cannula holder (9), a protective cover (7) for the cannula (6), and a mechanism (22, 23, 7) which, at least after the cover (7) has been removed from the cannula (6), secures the implant (2) inside the cannula (6) and/or cannula holder (9) . The mechanism (22, 23, 7) disengages the implant (2) during insertion of the cannula (6) or after the cannula (6) has been inserted. Substantially no lateral force will be exerted during the expelling of the implant from the cannula.Type: ApplicationFiled: January 20, 2006Publication date: November 25, 2010Applicant: AKZO NOBEL N.V.Inventors: Willem Jansen, Maurice Petrus Wilhelmus Tak, Hendricus Johannes Vertegaal, Iris Epkjen Hobo Van Der Graaf
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Publication number: 20100297422Abstract: Corrosion and chip-resistant coatings for high tensile steel components, such as automotive coil springs, are formed from a coating composition comprising a substantially non-zinc containing primer and a topcoat. The primer includes an epoxy resin having an epoxy equivalent weight of about 860 to about 930, a polyhydroxyl functional phenolic curing agent having a hydroxyl equivalent weight of about 200 to about 500, and a filler material. The topcoat includes an epoxy resin having an epoxy equivalent weight of about 520 to about 930, an elastomer-modified epoxy resin having an epoxy equivalent weight of about 1000 to about 1600, a carboxyl functional polyester with an acid number of about 45 to about 75 mg KOH/g, a foaming agent and a reinforcing fiber.Type: ApplicationFiled: January 23, 2009Publication date: November 25, 2010Applicant: Akzo Nobel Coatings International B.V.Inventor: Chad Lucas
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Publication number: 20100292106Abstract: Methods of controlling barium sulfate scale in oil field applications are disclosed. These methods involve the application of one or more carboxylated oligomers to an aqueous system in the oil field. Carboxylated oligomers include polymaleic acid and polyethercarboxylates. Additionally, methods of neutralizing polymaleic acid and use of this neutralized product for barium sulfate scale control are disclosed.Type: ApplicationFiled: November 11, 2008Publication date: November 18, 2010Applicant: AKZO NOBEL N.V.Inventors: Jannifer Sanders, Stuart Peter Robert Holt, Klin A. Rodrigues
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Patent number: 7834110Abstract: The invention pertains to a process to polymerize one or more monomers wherein one or more initiators and optionally one or more surfactants are added to a polymerization mixture when the pressure in the polymerization reactor is dropping. This process allows a shorter polymerization time due to a higher pressure drop rate at the end of the polymerization reaction. Moreover, the cooling capacity of the polymerization reactor is used more efficiently.Type: GrantFiled: March 7, 2008Date of Patent: November 16, 2010Assignee: Akzo Nobel N. V.Inventors: Lambertus Meulenbrugge, Koen Antoon Kornelis Vanduffel, Hans Westmijze
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Patent number: 7833435Abstract: The invention relates to the use of gluconates in the production of semiconductor wafers, preferably in the polishing of the semiconductor wafers during the production process, and to a polishing agent based on an abrasive substance and/or colloid and a mixture of disuccinates or methylglycine diacetic acid (MGDA) and gluconates.Type: GrantFiled: February 23, 2007Date of Patent: November 16, 2010Assignee: Akzo Nobel Chemicals International B.V.Inventors: Gabriele Hey, Alessandro Aghina
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Patent number: 7829627Abstract: A glass adhesion composition containing a copolymer having an acid and a substituted amide, silanol, or amine oxide functionality. The substituted amide, silanol, or amine oxide functionality provide excellent adhesion of the copolymer to glass, silica, sand and other silicon-based substances. The copolymer is useful as a fiberglass binder, and also useful in providing protective coatings on glass sheets. A fiberglass sizing composition is also provided having a copolymer that includes at least one acid group derived from at least one acid monomer, a hydrophobic comonomer, and a crosslinker.Type: GrantFiled: August 1, 2007Date of Patent: November 9, 2010Assignee: Akzo Nobel N.V.Inventors: Klin A. Rodrigues, James C. Long
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Publication number: 20100276152Abstract: The present invention relates to an acidic aqueous solution containing a chelating agent and an acid, wherein the chelating agent is glutamic acid N,N-diacetic acid (GLDA) or a salt thereof and wherein the amount of GLDA or the salt thereof is at least 10 wt %, based on the weight of the aqueous solution, and to the use thereof as an oilfield chemical, in descaling processes, or in processes in which highly concentrated aqueous acids are used, such as cleaning processes or plating processes.Type: ApplicationFiled: October 10, 2008Publication date: November 4, 2010Applicant: Akzo Nobel N.V.Inventors: Cornelia Adriana De Wolf, James N. Lepage, Johanna Hendrika Bemelaar
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Patent number: 7824503Abstract: The invention pertains to an aqueous composition having a pH of 3 or less and comprising the following ingredients, based on the total weight of the composition: a) 0.05-40 wt % of a polymeric thickener having —COOR groups, wherein R is independently chosen from H, OH, and a carbon-containing group, and b) 0.05-60 wt % of hydrogen peroxide, wherein the active oxygen content attributable to ingredient a) is at least 0.02 wt %, based on the total weight of the composition, with the proviso that (co)polymers prepared from (meth)acrylate monomers are absent.Type: GrantFiled: April 12, 2007Date of Patent: November 2, 2010Assignee: Akzo Nobel N.V.Inventors: Wasil Maslow, René Gerritsen, Bernhard De Vries, John Meijer, Paul Albert Iacobucci
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Patent number: 7825059Abstract: Process to prepare a trioxepane compound of the following formula (I) comprising less than 3.5 wt % of dialkyl peroxide based on the total amount of peroxides, said process comprising the steps of reacting a glycol compound of the formula R3CHOH—CH2—C(CH3)2OH with hydrogen peroxide in the presence of an acid to form a glycol hydroperoxide, purifying the glycol hydroperoxide, reacting the purified glycol hydroperoxide with a ketone or aldehyde of the formula R1R2CO in the presence of an acid to form the trioxepane compound, and purifying the trioxepane compound, wherein R1, R2, and R3 are independently selected from hydrogen and a substituted or unsubstituted hydrocarbyl group, with the proviso that if R1 and R2 are both methyl groups, R3 is not hydrogen. Initiator compositions comprising the so-prepared trioxepane compound are characterized by a high safe processing temperature in combination with a good crosslink efficiency.Type: GrantFiled: September 27, 2005Date of Patent: November 2, 2010Assignee: Akzo Nobel N.V.Inventors: John Meijer, Leonardus Bernardus Gerhardus Maria Nijhof, Herman Evert Roelofs, Haimo Tonnaer, Roelof Van De Worp
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Publication number: 20100272765Abstract: The invention relates to a stable emulsion comprising (a) an oil; (b) water; (c) a surfactant; and (d) solid particulate material, wherein an emulsion comprising the oil, water, and the surfactant has a transitional phase inversion point, wherein the stable emulsion contains droplets having a d50 value of below 1 ?m, and wherein the shelf life time of an emulsion comprising compounds (a) to (d) is longer than the shelf life time of emulsions containing only compounds (a) to (c).Type: ApplicationFiled: January 8, 2009Publication date: October 28, 2010Applicant: AKZO NOBEL N.V.Inventors: Boen Ho O, Jozef Johannes Maria Baltussen
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Publication number: 20100273006Abstract: Polymeric thermosetting systems that are formaldehyde free binder systems and composites utilizing such systems include a formaldehyde free binder formed one or more hydroxyl polymers and one or more hydroxyl polymer crosslinkers.Type: ApplicationFiled: December 18, 2008Publication date: October 28, 2010Applicant: Akzo Nobel N.V.Inventors: Klin A. Rodrigues, Matthew Keur
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Publication number: 20100267876Abstract: Disclosed is a composition containing (i) 1-50 wt. % of a water-soluble, branched polyesteramide, (ii) 1-50 wt. % of a solvent selected from the group of alcohols, ethers, and ether alcohols having a boiling point in the range of 130° to 250° C., and (iii) 0-98 wt. % of water, and its use as an additive to water borne base coat compositions to reduce or eliminate problems of underspray/overspray.Type: ApplicationFiled: June 15, 2007Publication date: October 21, 2010Applicant: AKZO NOBEL COATINGS INTERNATIONAL B.V.Inventors: Antonius Hendrikus Gerardus Van Engelen, Marysia Cornelia Wilhelmina Van Boxtel
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Publication number: 20100267874Abstract: The present invention pertains to the use of quaternary organic ammonium compounds for the reduction of efflorescence in building materials. In addition, a mixture containing at least one quaternary organic ammonium compound and at least one water-soluble organic polymer and, optionally, further additives is described. The mixture according to the invention can be prepared by a) at least one quaternary organic ammonium compound and at least one water-soluble organic polymer being mixed with one another in water and the obtained aqueous mixture optionally being subsequently dried, or b) at least one powdery quaternary organic ammonium compound and at least one powdery water-soluble organic polymer being mixed with one another, or c) at least one liquid and/or dissolved quaternary organic ammonium compound being applied on at least one powdery water-soluble organic polymer, in particular by means of spraying, adsorption, mixing, fluidized bed drying and/or granulation.Type: ApplicationFiled: September 15, 2008Publication date: October 21, 2010Applicant: AKZO Nobel N.V.Inventor: Adrian Keller
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Patent number: 7816310Abstract: A personal care composition having at least one hydroxyalkylurea (HAU) optionally in combination with at least one other moisturizing agent. The at least one HAU, alone or together with the at least one moisturizing agent, provides not only the perception of moisturization, but also actual increased moisturization efficacy. When the two are used in combination in a personal care composition, they are provided in a synergistically moisturizing effective ratio to provide that perception of moisturization and increased moisturization efficacy. Such personal care compositions provide an enhanced smooth feel as well as enhanced flexibility, elasticity, suppleness and firmness without leaving a heavy or greasy feel.Type: GrantFiled: September 10, 2004Date of Patent: October 19, 2010Assignee: Akzo Nobel N.V.Inventors: Peter A. Landa, Hongjie Cao, Gary T. Martino, Irina M. Morosov, Tatiana Drovetskaya
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Publication number: 20100252073Abstract: A polymerisation reactor comprising one or more circulation loops with one or more inlets for raw material, one or more outlets, and a circulation pump for circulating a reactor charge within the circulation loop. A by-pass line for by-passing the circulation pump connects a point of the loop upstream of the pump with a point downstream of the pump, both points being provided with a three way valve.Type: ApplicationFiled: January 9, 2007Publication date: October 7, 2010Applicant: AKZO NOBEL COATINGS INTERNATIONAL B.VInventor: David Charles Adams
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Publication number: 20100252446Abstract: The present invention pertains to the use of an additive selected from the group consisting of amorphous silica, graphite powder, and a mixture thereof in a process to electroplate or electropolish a metal on a substrate using an ionic liquid as the electrolyte to increase metal layer thickness. It furthermore pertains to a method to electroplate or electropolish a metal on a metal substrate wherein an ionic liquid is employed as electrolyte, wherein a metal salt added to said ionic liquid or a metal anode is employed as metal source, and wherein said ionic liquid comprises said additive.Type: ApplicationFiled: July 30, 2008Publication date: October 7, 2010Applicant: Akzo Nobel N.V.Inventors: Boris Kuzmanovic, Lamberdine Johanna Willemina Maria Nabuurs-Willems, Cornelis Johannes Govardus Van Strien, Franz Winfried Welter, Johanna Christina Speelman
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Publication number: 20100245523Abstract: A support for an article onto which an image is to be printed by thermal transfer printing from a retransfer intermediate sheet has a surface shaped for engagement with the article, at least a portion of the surface being formed from an elastomeric material. Also disclosed are a method of making a support, apparatus for thermal transfer printing, a method of printing and an article bearing a printed image.Type: ApplicationFiled: October 23, 2008Publication date: September 30, 2010Applicant: AKZO NOBEL COATINGS INTERNATIONAL B.V.Inventor: Jeffrey Michael Howell