Abstract: 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:
Grant
Filed:
November 10, 2008
Date of Patent:
March 2, 2010
Assignee:
Akzo Nobel N.V.
Inventors:
Mahnaz Company, Magnus Franck, Anette Thyberg
Abstract: 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:
Application
Filed:
November 29, 2007
Publication date:
February 25, 2010
Applicant:
AKZO NOBEL N.V.
Inventors:
Hans Hällström, Susanne Gratz, Fredrik Solhage
Abstract: 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.
Abstract: 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.
Abstract: 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:
Application
Filed:
December 18, 2007
Publication date:
February 11, 2010
Applicant:
Akzo Nobel N.V.
Inventors:
Patrik Simonson, Marek Tokarz, Katarina Gutke
Abstract: 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:
Grant
Filed:
December 16, 2005
Date of Patent:
February 9, 2010
Assignee:
Akzo Nobel N.V.
Inventors:
Jonas Liesén, Arne Andersson, Kerstin Malmborg-Nyström
Abstract: 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:
Application
Filed:
September 19, 2007
Publication date:
February 4, 2010
Applicant:
AKZO NOBEL N.V.
Inventors:
Marianne Frederika Reedijk, Auke Gerardus Talma, Aaldert Johannes De Jong
Abstract: 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.
Abstract: 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.
Abstract: 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.
Abstract: The present invention relates to a double-fortified salt composition comprising sodium chloride, between 5 and 100 ppm of iodine in the form of iodate, between 50 and 10,000 ppm of iron as a food-grade iron(III) compound, and between 0.005 and 0.2 wt %, based on the totat weight of the salt composition, of one or more food-grade oils, with the proviso that essentially all iron and iodate is not micro-enicapsulated, to a premix therefor, to a process for preparing such a double-fortified salt composition and premix, and to the use thereof.
Type:
Application
Filed:
March 16, 2007
Publication date:
January 21, 2010
Applicant:
AKZO NOBEL N.V.
Inventors:
Justus Marie De Jong, Gerrit Jan Stokkers
Abstract: The invention relates to a process for the production of hydrogen peroxide comprising a liquid-liquid extraction step, said extraction step comprising contacting an organic feed solution containing hydrogen peroxide with an extraction solvent comprising less than about 30 wt % of water to achieve extraction of hydrogen peroxide to said extraction solvent and obtaining an extract containing hydrogen peroxide.
Type:
Grant
Filed:
June 11, 2007
Date of Patent:
January 12, 2010
Assignee:
Akzo Nobel N.V.
Inventors:
Rolf Edvinsson-Albers, Boris Kuzmanovic, Cornald Van Strien
Abstract: The invention relates to a process for preparing a cellulose ether wherein the cellulose ether is prepared in the presence of an ether of the formula R1-O—R2 having a boiling point between 40 and 90° C., or of a solvent mixture comprising an ether and having a boiling point between 40 and 90° C., wherein R1 and R2 maybe the same or different and are independently selected from an alkyl group.
Abstract: The present invention generally relates to a method for minimizing the formation of insoluble salts of phenoxy herbicides. The method comprises (1) mixing a compatibility agent, amine salts of phenoxy acid herbicides, and a chemical containing non-amine cations in a aqueous system to form a stable and non-nozzle plugging solution; and (2) application of said stable and non-nozzle plugging solution onto target plants.
Type:
Application
Filed:
March 30, 2007
Publication date:
December 10, 2009
Applicant:
Akzo Nobel N.V.
Inventors:
Jinxia Susan Sun, Shawn Zhu, Shuaib A. Khan
Abstract: A process for producing an aqueous silica-based soils disclosed wherein a cationic ion exchange resin having part of its ion exchange capacity in hydrogen form is contacted with an aqueous alkali metal silicate to form a slurry having a pH from 5.0 to 11.5 and/or having particle aggregation or microgel formation corresponding to a S value up to 45%; adjusting the pH using a material comprising an aluminum compound; and separating the resin from the slurry. Silica-based sols having an S value from 15 to 25%, mole ratio Si:Al from 20:1 to 50:1, mole ratio Si:X, where X=alkali metal, from 5:1 to 17:1, SiO2 content of at least 5% by weight and containing silica-based particles having a specific surface area of at least 300 m2/g, as well as the use of such silica-based sols in producing paper are also disclosed.
Abstract: The present invention pertains to a process for decreasing and/or drying skins which comprises contacting the skins to be degreased and/or dried with one or more extractor solvents which are able to dissolve both fat and water. Preferably, the extractor solvent is selected from the group consisting of dimethyl ether (DME), methylal, dioxolane, diethyl ether, methyl ethyl ketone, ethanol, propanol, and isopropanol. Most preferably, the extractor solvent is DME.
Type:
Application
Filed:
June 4, 2009
Publication date:
December 3, 2009
Applicants:
AKZO NOBEL N. V., GASES RESEARCH INNOVATION AND TECHNOLOGY S.L. (GRIT S.L.)
Inventors:
Hermanus Johannus BERKHOUT, Jose Ramon GARCIA DEL RIO
Abstract: The present invention generally relates to a process for the arylation of unsaturated linear fatty acids and/or alkyl esters thereof to their aryl branched counterparts. Said arylation process comprises contacting said unsaturated linear fatty acids and/or alkyl esters thereof and one or more aromatic compounds with at least one metal ion exchanged solid material catalyst. The invention also relates to various derivatives prepared from the aryl branched fatty acids and/or alkyl esters prepared in accordance with the present invention.
Type:
Grant
Filed:
July 16, 2004
Date of Patent:
November 17, 2009
Assignee:
Akzo Nobel N.V.
Inventors:
Zongchao Zhang, Shuguang Zhang, James F. Gadberry
Abstract: Polymerization process comprising the steps of: (a) reacting an aqueous suspension comprising initiator, vinyl chloride, and optionally one or more co-monomers in a continuous stirred tank reactor; and (b) further reacting the resulting suspension in at least one second reactor; wherein the conversion level of vinyl chloride in the continuous stirred tank reactor of step (a) is from 10 to 60 wt %.
Type:
Application
Filed:
March 20, 2007
Publication date:
November 12, 2009
Applicant:
AKZO NOBEL N.V.
Inventors:
Carolina Anna Maria Christina Dirix, Johannes JacobusTheodorus De Jong, Lambertus Meulenbrugge, Koen Antoon Kornelis Vanduffel
Abstract: The present invention relates to an aqueous alkaline composition with good wetting ability, which composition is dilutable with water without exhibiting any phase separation. The composition contains a surface active nonionic alkylene oxide adduct of an alkyl-branched alcohol, with a good wetting ability, a hexyl glycoside and/or an octyliminodipropionate and a further surface active nonionic alkylene oxide adduct having an HLB-value according to Davies of at least 6.4. The Compositions may be used for the cleaning of hard surfaces, in scouring and mercerizing processes and for laundry.
Abstract: According to the invention, a slow setting bitumen-aggregate mix for cold paving is manufactured by a) preparing a cationic oil-in-water emulsion of bitumen in the presence of an emulsifier containing i) a tertiary polyamine selected from the group consisting of a di(C2-C3 alkylene)triamine, a tri(C2-C3 alkylene)tetraamine, a tetra(C2-C3 alkylene)pentaamine, a penta(C2-C3 alkylene)hexaamine, a hexa(C2 C3 alkylene)heptaamine or a mixture thereof, which amine compounds have only tertiary amine groups and contain one or two aliphatic groups with 8-22 carbon atoms, bound to a nitrogen atom, while the remaining nitrogen substituents are methyl groups and ii) an acid present in such an amount that the aqueous emulsion obtains a pH value from 1-6, preferably 1.5-5, and b) mixing the aqueous emulsion obtained with a solid aggregate.