Patents Assigned to Akzo
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Publication number: 20060083864Abstract: The invention relates to a radiation curable hot melt composition comprising: a) 20 to 100 wt. % of a radiation curable resin or a mixture of radiation curable resins having a viscosity in the range from 15 to 10,000 mPas in the temperature range from 40 to 150° C., b) 0 to 50 wt. % of a hydroxyfunctional resin or oligomer or a mixture of hydroxyfunctional resins or oligomers, c) 0 to 10 wt. % of a photoinitiator, d) 0 to 50 wt. % of fillers and/or additives, and e) 0 to 40 wt. % of pigment, wherein the total amount of components a) to e) adds up to 100 wt. %. The invention further relates to a process for the coating of a substrate with such radiation curable hot melt composition. In this process the composition is heated to a temperature in the range from 40 to 150° C., is applied to the substrate, and then the coated substrate is exposed to electromagnetic radiation having a wavelength ??500 nm.Type: ApplicationFiled: December 7, 2005Publication date: April 20, 2006Applicant: AKZO NOBEL N.V.Inventors: Ann Lindell, Klaas Kruithof, Kent Sorensen
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Patent number: 7030270Abstract: The invention relates to a process for preparing monochloroacetic acid (MCA) comprising a chlorination step and a hydrogenation step and is characterized in that said process comprises the removal of aldehydes from a process stream by oxidation using a peroxycarboxylic acid. A preferred peroxycarboxylic acid comprises peracetic acid. Preferably, the process is carried out at a temperature of 60–100° C., most preferably at atmospheric pressure. Preferably, an about equimolar amount of peroxycarboxylic acid is used relative to the molar amount of aldehydes present in the process stream. A practical choice for the process stream is the acetic acid recycle stream. The invention process provides a clear and colourless MCA end product.Type: GrantFiled: November 19, 2002Date of Patent: April 18, 2006Assignee: Akzo Nobel N.V.Inventors: Cornelis Kooijman, Jacobus Theodorus Jozef Aaldering
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Patent number: 7030060Abstract: The invention relates to a composition useful for the breaking of rest in deciduous fruit species such as apple species and grape species comprising an organic nitrogen-containing compound having a molecular weight of 60 to 300 with the exception of urea and dinitro-ortho-cresol, an inorganic nitrate rest-breaking agent, and a surfactant. Preferably, the organic nitrogen-containing compound is a choline salt such as choline chloride, the inorganic nitrate rest-breaking agent is selected from the group consisting of potassium nitrate, calcium nitrate, ammonium nitrate, calcium ammonium nitrate, urea ammonium nitrate, zinc ammonium nitrate, and mixtures thereof, and the surfactant is an alkoxylated amine such as Armoblen ®*, and Berol®* compound or an alkoxylated quaternary ammonium compound.Type: GrantFiled: July 3, 2000Date of Patent: April 18, 2006Assignee: Akzo Nobel N.V.Inventors: Brian P. McDonald, Hennie A. Workel
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Publication number: 20060078843Abstract: The invention relates to a method of determination of process parameters of a chemical process carried out in a chemical reactor. It comprises passing a sample of a process medium of said chemical process into a side-loop and isolating said side-loop from the process medium. The sample is circulated in said side-loop and tempered to a desired temperature. A measurement of at least one process parameter is made on said sample at the desired temperature. The invention also relates to a system for performing the method, and the use thereof.Type: ApplicationFiled: September 29, 2005Publication date: April 13, 2006Applicant: Akzo Nobel Coatings International B.V.Inventor: Johnny Lundberg
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Patent number: 7026112Abstract: The present invention is concerned with oligonucleotides that can be used as in the amplification and detection of Epstein Barr Virus (EBV) nucleic acid, in particular RNA-specific sequences. Furthermore a method for the diagnosis of EBV associated malignant and non-malignant diseases is provided. The oligonucleotides according to the present invention are specifically suited for the detection of EBV gene expression in circulating peripheral blood cells, in human (tumor) tissue samples and thin sections thereof using “in solution” amplification or “in situ” amplification techniques and in other biological samples potentially containing EBV-infected cells.Type: GrantFiled: March 1, 1999Date of Patent: April 11, 2006Assignee: Akzo Nobel N.V.Inventors: Marcel Bartolina Hendrikus Johannes Vervoort, Adrianus Johannes Christiaan van den Brule, Jaap Michiel Middeldorp
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Patent number: 7025873Abstract: Cationic layered materials, a process for their preparation and their use in hydrocarbon conversion, purification, and synthesis processes, such as fluid catalytic cracking. Cationic layered materials are especially suitable for the reduction of SOx and NOx emissions and the reduction of the sulfur and nitrogen content in fuels like gasoline and diesel. The new preparation process avoids the use of metal salts and does not require the formation of anionic clay as an intermediate.Type: GrantFiled: June 24, 2003Date of Patent: April 11, 2006Assignees: Albemarle Netherlands BV., Akzo Nobel NV.Inventors: Paul O'Connor, William Jones, Dennis Stamires
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Patent number: 7027165Abstract: Device and method for recording the visual properties of a surface, comprising an imaging device for recording light interaction (reflection or transmission) with a surface, a light source, and a sample area for positioning a sample with a surface to be examined. The imaging device, the light source, and the sample area are arranged in such a way that in one image at least one of the surface properties is recordable as a function of a continuous range of angles between the illumination direction and the observation direction. The imaging device is a CCD camera. The device and method are suitable for imaging and evaluating visual properties which are dependent on the optical geometry, such as flop behavior and gloss.Type: GrantFiled: April 5, 2002Date of Patent: April 11, 2006Assignee: Akzo Nobel N.V.Inventors: Klaas Hendrik De Haas, Gerrit Cornelis Dubbeldam, Ivo Bernardus Nicolaas Van Der Lans, Robin Paul Fries
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Patent number: 7026304Abstract: Disclosed are 2-alkylated-cyclodextrin derivatives and pharmaceutically acceptable salts thereof. The 2-alkylated-cyclodextrin derivatives are suitable for use in the reversal of drug-induced neuromuscular block.Type: GrantFiled: February 14, 2002Date of Patent: April 11, 2006Assignee: Akzo Nobel N.V.Inventors: Mingqiang Zhang, Gary Tarver
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Patent number: 7026113Abstract: The invention provides an equine infectious anemia (EIA) vaccine that provides immunity to mammals, especially equines, from infection with equine infectious anemia virus (EIAV) and which allows differentiation between vaccinated and non-vaccinated, but exposed, mammals or equines. Preferably said vaccine encompasses at least one mutation in an EIAV which produces a non-functional gene in the vaccine virus that is always expressed in disease-producing wild-type EIA viruses. Additionally, said EIA vaccine virus cannot cause clinical disease in mammals or spread or shed to other mammals including equines.Type: GrantFiled: June 26, 2002Date of Patent: April 11, 2006Assignee: Akzo Nobel N.V.Inventors: Ronald Montelaro, Bridget Puffer, Feng Li, Charles Issel, Kristina J. Hennessy, Karen K. Brown
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Patent number: 7022327Abstract: The present invention provides a birnavirus mutant which is suited as vaccine candidate in eradication control programmes. The mutant is not able to produce a native VP5 protein, and this feature can be used as a marker to distinguish between animals vaccinated with the VP5 mutant or infected with a naturally-occurring birnavirus.Type: GrantFiled: May 26, 1998Date of Patent: April 4, 2006Assignee: Akzo Nobel N.V.Inventors: Heinrich Dieter Lütticken, Egbert Mundt, Adriaan Anthonius Wilhelmus Maria van Loon
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Patent number: 7022304Abstract: The present invention is directed to a process for the preparation of a doped anionic clay. In said process a trivalent metal source is reacted with a divalent metal source, at least one of the metal sources being either doped boehmite, doped MgO or doped brucite, to obtain a doped anionic clay. Suitable dopants are compounds containing elements selected from the group of alkaline earth metals (for instance Ca and Ba), alkaline metals, transition metals (for example Co, Mn, Fe, Ti, Zr, Cu, Ni, Zn, Mo, W, V, Sn), actinides, rare earth metals such as La, Ce, and Nd, noble metals such as Pt and Pd, silicon, gallium, boron, titanium, and phosphorus.Type: GrantFiled: February 7, 2002Date of Patent: April 4, 2006Assignee: Akzo Nobel N.V.Inventors: Dennis Stamires, William Jones, Paul O'Connor
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Publication number: 20060069195Abstract: The invention comprises a method for preparing a stabilizer comprising organotinthioalkanol comprising reacting the ingredients in a mixture comprising both alkyltin and dialkyltin containing compounds, a thioalkanol, an additional sulfur containing compound and optionally an oxygen containing compound. The amount of thioalkanol in the composition is limited to no more than about 0.5000 equivalent per equivalent of the alkyltin and dialkyltin containing compounds. There is also present from about 1 percent by weight to about 50 percent by weight, based on the weight of the organotinthioalkanol stabilizer of a low volatility, low water solubility, aliphatic hydroxyl-containing, liquid organic compound that is introduced into the reaction mixture following completion of the reaction. The invention includes the organotinthioalkanol stabilizer made by the above method.Type: ApplicationFiled: September 22, 2005Publication date: March 30, 2006Applicant: AKZO NOBEL N.V.Inventor: Henry Barda
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Publication number: 20060067873Abstract: The invention relates to a process for the continuous production of chlorine dioxide under non-crystallising conditions in at least two reaction vessels comprising the steps of feeding to a first reaction vessel alkali metal chlorate, a mineral acid and hydrogen peroxide to form an acidic reaction medium maintained in said first reaction vessel, reacting alkali metal chlorate, hydrogen peroxide and mineral acid in said reaction medium to form chlorine dioxide and alkali metal salt of the mineral acid, withdrawing chlorine dioxide from said reaction medium in said first reaction vessel as a gas, withdrawing depleted reaction medium comprising mineral acid, alkali metal chlorate and alkali metal salt of the mineral acid from said first reaction vessel and feeding it to a second reaction vessel, feeding hydrogen peroxide to the reaction medium in said second reaction vessel and maintaining said reaction medium therein at a concentration of alkali metal chlorate from about 9 to about 75 mmoles/litre, reacting alkType: ApplicationFiled: September 19, 2005Publication date: March 30, 2006Applicant: Akzo Nobel N.V.Inventor: Maria Johansson
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Publication number: 20060062929Abstract: A process for forming a coating on a substrate, including the steps of effecting tribostatic charging of a body of powder by establishing a fluidised-bed of the body of powder in a fluidising chamber at least a part of which is conductive, applying a voltage to the conductive part of the fluidising chamber, immersing a substrate which is electrically non-conductive or poorly conductive, either electrically isolated or earthed, wholly or partly in the fluidised bed, withdrawing the substrate from the fluidised-bed and forming adherent particles of the powder into a continuous coating over at least part of the substrate.Type: ApplicationFiled: December 11, 2003Publication date: March 23, 2006Applicant: Akzo Nobel Coatings International B.V.Inventors: Kevin Kittle, Michele Falcone
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Patent number: 7015298Abstract: The invention pertains to a coating composition comprising a compound comprising at least one spiro-ortho silicate group and a hydroxyl-reactive cross-linker, to a process for curing the composition, and to the use of the composition. The coating composition of the current invention can be formulated to a coating composition having a low content of volatile organic solvents, is curable at a temperature as low as 5° C., and the cured coating composition of the current invention is essentially free of unreacted low-molecular weight blocking agents. Further, the pot life: drying time ratio of coating compositions according to the invention is particularly favorable.Type: GrantFiled: September 29, 2003Date of Patent: March 21, 2006Assignee: Akzo Nobel N.V.Inventors: Keimpe Jan Van Den Berg, Klaus Hobel, Josephus Christiaan Van Oorschot, Jan Cornelis Van Beelen, Huig Klinkenberg
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Patent number: 7011738Abstract: The present invention relates to a method for activation of a cathode comprising at least a cathode substrate wherein the cathode is cleaned by means of an acid, the cleaned cathode is coated with at least one electrocatalytic coating solution, drying the coated cathode until it is at least substantially dry, and thereafter contacting the cathode with a solvent redissolving precipitated electrocatalytic salts or acids formed on the cathode, originating from the electrocatalytic solution, to form dissolved electrocatalytic metal ions on the cathode surface, so that said electrocatalytic metal ions can precipitate as metals on the cathode. The invention also comprises a cathode obtainable by the method and the use of an activated cathode in an electrolytic cell for producing chlorine and alkali hydroxide.Type: GrantFiled: June 25, 2001Date of Patent: March 14, 2006Assignee: Akzo Nobel N.V.Inventors: Lars-Erik Bergman, Erik Zimmerman, Tomas Widenfalk, Bernd Busse
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Patent number: 7008896Abstract: The present invention is directed to a process for the preparation of crystalline anionic clay-containing bodies from sources comprising a trivalent metal source and a divalent metal source comprising the steps of: a) preparing a precursor mixture containing a liquid, a divalent metal source and/or a trivalent metal source, at least one of them being insoluble in the liquid; b) shaping the precursor mixture to obtain shaped bodies; c) optionally thermally treating the shaped bodies; and d) aging the shaped bodies to obtain crystalline anionic clay-containing bodies; with the proviso that if no divalent or trivalent metal source is present in the precursor mixture of step a), such source is added to the shaped bodies after shaping step b) and before aging step d); and with the further proviso that the combined use of an aluminium source as the trivalent metal source and a magnesium source as the divalent metal source is excluded.Type: GrantFiled: January 31, 2002Date of Patent: March 7, 2006Assignee: Akzo Nobel NVInventors: Dennis Stamires, William Jones, Paul O'Connor
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Publication number: 20060040343Abstract: 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: February 19, 2003Publication date: February 23, 2006Applicant: AKZO NOBEL, N.V. PATENT DEPARTMENTInventors: Robert Van Der Geize, Peter Van De Meijden, Gerda Hessels, Lubbert Dijkhuizen
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Patent number: 7001584Abstract: The invention relates to a process for production of hydrogen peroxide according to the anthraquinone process including alternate hydrogenation and oxidation of one or more quinones selected from anthraquinones and/or tetrahydro anthraquinones in a working solution comprising at least one quinone solvent and at least one hydroquinone solvent, wherein said at least one quinone solvent comprises isodurene in an amount from 15 to 100 wt %. The invention also relates to a composition useful as a working solution at production of hydrogen peroxide.Type: GrantFiled: June 12, 2001Date of Patent: February 21, 2006Assignee: Akzo Nobel N.V.Inventors: Mats Nyström, Christina Järnvik
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Patent number: 7001933Abstract: The invention relates to a polymer comprising quaternary ammonium and/or quaternary phosphonium groups bound to the backbone of the polymer, said quaternary ammonium groups and/or quaternary phosphonium groups being neutralised by counter-ions, wherein the counter-ions consist of the anionic residue of an acid having an aliphatic, aromatic, or alkaryl hydrocarbon group comprising 6 or more carbon atoms. The invention further relates to the preparation of this polymer, its use in anti-fouling compositions, and to anti-fouling compositions comprising the polymer.Type: GrantFiled: July 22, 2003Date of Patent: February 21, 2006Assignee: Akzo Nobel N.V.Inventors: Robert Lines, Clayton Price