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Akzo Nobel N.V. Patents
Assignee:
Akzo Nobel N.V.
Address:
Arnhem, NL
No. of patents:
1056
Patents:












Patent Number Title Of Patent Date Issued
7988783 Additive for hydraulically setting systems, the hydraulically setting mixtures and the use there August 2, 2011
The invention relates to an additive for hydraulically setting systems based on modified polycarboxylates and water-soluble ethers of high polymeric polysaccharides, optionally containing further standard additives, characterized by a content of a) a water-soluble ether of cellulose
7987866 Zwitterionic surfacant together with an anionic ether-containing surfactant as a drag-reducing a August 2, 2011
The present invention relates to the use of a zwitterionic surfactant in combination with an ether sulphate or ether carboxylate surfactant in a water-based system as a drag-reducing agent. The combination has besides a high drag-reducing effect also a low sensitivity to hard water.
7972589 Hair fixative film July 5, 2011
The present invention relates to a hair fixative film, which contains a natural and/or synthetic polymer as the main component and a method of applying said film to hair. Such film is useful in maintaining a desired look and style of hair. Furthermore, the film is beneficial because it
7968740 Process for preparing organically modified layered double hydroxide June 28, 2011
A process is disclosed for preparing an organically modified layered double hydroxide having a distance between the individual layers of the layered double hydroxide of about 1.5 nm and comprising an organic anion as charge-balancing anion, the process comprising the steps of: (a) pr
7964686 Aqueous treatment compositions and polymers for use therein June 21, 2011
Aqueous treatment composition for use as anti-scalant and dispersant. The composition includes a polymer containing low amounts of sulfonate that prove as effective in carbonate and phosphate inhibition as polymers containing much higher amounts of sulfonate.
7956096 Microspheres June 7, 2011
The invention relates to thermally expandable thermoplastic microspheres comprising a polymer shell made from ethylenically unsaturated monomers encapsulating a propellant, said ethylenically unsaturated monomers comprising from 40 to 70 wt % of acrylonitrile, from 5 to 40 wt % of me
7955473 Process for the production of paper June 7, 2011
The present invention relates to a process for producing paper which comprises: (vii) providing an aqueous suspension comprising cellulosic fibres, (viii) adding to the suspension after all points of high shear: a first polymer being a cationic polymer having a charge density above
7954643 Use of a derivative of aspartic acid as a collector in froth flotation processes June 7, 2011
A derivative of aspartic acid is used as a collector for a phosphate containing mineral, such as apatite, in a froth flotation process. According to the invention the collector has a high selectivity for phosphate containing minerals even in the presence of carbonate minerals, such a
7942941 Pour point depressant additives for oil compositions May 17, 2011
The present invention generally relates to oil compositions, primarily to fuel oil and petroleum compositions produced there from susceptible to wax formation at low temperatures, to polymeric amides for use with such fuel oil compositions, and to methods for their manufacture.
7935666 Amine copolymers for textile and fabric protection May 3, 2011
The present invention relates to a detergent composition having from 3 to 75 percent by weight of at least one surfactant; and from 0.01 to 5 percent by weight percent of a copolymer composed of from about 70 to 100 mole percent of at least one amine-functional monomer, and from about 30
7919535 Silica-based sols April 5, 2011
The invention relates to an aqueous sol containing silica-based particles which sol has a specific surface area of at least 115 m.sup.2/g aqueous sol and an S-value within the range of from 10 to 45% or contains silica-based particles having a specific surface area of at least 550 m.
7919074 Polyetheramide compositions April 5, 2011
Ethanol soluble or dispersible polyetheramide polymers that have a percent elongation to break of less than 100%. The polymers are formed from a reaction mixture comprising at least one or more poly(alkyleneoxy) diamines and one or more diacids. The reaction mixture can optionally in
7918987 Electrochemical process to prepare a halogenated carbonyl group-containing compound April 5, 2011
The present invention provides a process to prepare a halogenated carbonyl group-containing compound by electrochemically reacting the corresponding carbonyl group-containing compound with a hydrogen halide H--X, an organic halide R'--X and/or a halide salt M.sup.n+--X.sub.n.sup.- un
7897704 Composition of diepoxy resin modified with monofunctional organic material and dicarboxylic acid March 1, 2011
A protective crosslinkable coating composition comprising modified epoxy resin and crosslinker the modified epoxy resin being the reaction product, by weight, of i) from 80 to 99.9 parts of di-epoxy resin of epoxy equivalent weight from 500 to 5000 and formed from the reaction of bis
7893114 Silica-based sols and their production and use February 22, 2011
The invention relates to a process for producing aqueous silica-based sols which comprises providing a cationic ion exchange resin having at least part of its ion exchange capacity in hydrogen form; bringing said ion exchange resin in contact with an aqueous alkali metal silicate to form
7892398 Sizing of paper February 22, 2011
The invention relates to an aqueous dispersion of cellulose-reactive sizing agent containing an acid anhydride, an anionic polyelectrolyte and a nitrogen-containing organic compound which is an amine or quaternary ammonium thereof having a molecular weight less than 180 and/or having
7858058 Method for crystallizing soluble salts of divalent anions from brine December 28, 2010
The invention pertains to removing soluble alkali metal or ammonium salt of a divalent anion from brine comprising following steps: obtaining brine with NaCl-concentration between 150g/L and saturation in the presence or absense of a cyrstal growth inhibitor for NaCl(GCI-NaCl),or wit
7854947 Personal care compositions comprising plant fiber December 21, 2010
Personal care compositions having plant fiber such as tapioca fiber, and methods of applying those formulations. The addition of fiber to personal care formulations can provide performance improvement such as cleansing, exfoliation, irritation reduction, suspending, foam enhancement, and
7854925 Use of solubilized, anionic polyurethanes in skin care compositions December 21, 2010
This patent pertains to the use of anionic polyurethanes in a solubilized state which contribute to enhanced aesthetics to skin care compositions. The polyurethanes may be used alone or in combination with another polymer, particularly acrylate and methacrylate polymers.
7851571 Hybrid copolymers December 14, 2010
Hybrid copolymers for use as anti-sealant 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 prepari
7851513 Silica-based sols and their production and use December 14, 2010
A process for producing aqueous 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
7850954 Use of solubilized, anionic polyurethanes in skin care compositions December 14, 2010
This patent pertains to the use of anionic polyurethanes in a solubilized state which contribute to enhanced aesthetics to skin care compositions. The polyurethanes may be used alone or in combination with another polymer, particularly acrylate and methacrylate polymers.
7834110 Addition of organic initiators during the pressure drop in vinyl chloride monomer polymerization November 16, 2010
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 tim
7829627 Glass Adhesion Promoter November 9, 2010
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 s
7825059 Process for preparing trioxepane composition and use thereof in crosslinking polymers November 2, 2010
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 R.sup.3CHOH--CH.sub.2--C(CH.sub.3).sub.2OH wi
7824503 Aqueous hydrogen peroxide-containing composition and its use for cleaning surfaces November 2, 2010
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-
7816310 Increased moisturization efficacy using hydroxyalkylurea and ammonium lactate October 19, 2010
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
7799421 Controlled release materials September 21, 2010
The invention relates to polymers whose water solubility may be triggered by changes in pH, salt concentration, concentration of surfactant or a combination of both. The polymer is a copolymer or terpolymer containing from 2 to 60 mole percent of an amine functionality that has been
7786202 Process for preparing organically modified layered double hydroxide August 31, 2010
The invention relates to a process for preparing a layered double hydroxide comprising a charge-balancing anion, the process comprising the steps of: (a) preparing a precursor suspension or solution comprising a divalent metal ion source, a trivalent metal ion source, water, and a so
7786181 Chemical composition and process August 31, 2010
The invention relates to a solid powdery composition comprising unexpanded thermally expandable microspheres including a thermoplastic polymer shell encapsulating a propellant and from about 0.1 to about 50 wt % of at least one inhibitor selected from the group consisting of acids having
7777065 Removal of residual sulfur dioxide from dimethyl sulfate August 17, 2010
The present invention relates to a method of removing SO.sub.2 contaminants from dimethyl sulfate (DMS) by treatment with an oxidizing agent, and to a process for the preparation of odor free fatty acid trialkanolamine esters quaternized with DMS which is substantially free of SO.sub
7759438 Polymerization process for preparing (co)polymers July 20, 2010
The present invention relates to an aqueous dispersion polymerization process for preparing a (co)polymer wherein an organic peroxide is used as initiator (as a source of free radicals) during the polymerization process in conjunction with an effective amount of an organic peroxide s
7740701 Adhesive composition with lightweight filler June 22, 2010
A hydraulically setting mortar composition containing at least one hydraulically setting component, at least one lightweight filler, at least one cellulose ether, at least one setting retarder and optionally further additional additives, particularly fillers and/or dispersion powders
7732495 Silica-based sols and their production and use June 8, 2010
The invention relates to a process for producing aqueous silica-based sols which comprises providing a cationic ion exchange resin having at least part of its ion exchange capacity in hydrogen form; bringing said ion exchange resin in contact with an aqueous alkali metal silicate to form
7727945 Modified polysaccharides June 1, 2010
Modified polysaccharide polymers for use as anti-scalant and dispersant. The polymers are useful in compositions used in aqueous systems. The modified polysaccharides are also useful in detergent formulations, water treatment, dispersants and oilfield applications and as fiberglass b
7700764 Method of preparing microfibrillar polysaccharide April 20, 2010
The present invention relates to a method of preparing microfibrillar polysaccharide comprising treating a polysaccharide in an aqueous suspension comprising an oxidant and at least one transition metal, mechanically delaminating said polysaccharide such that microfibrillar polysacch
7691960 Citric acid based emulsifiers for oilfield applications exhibiting low fluorescence April 6, 2010
The present invention relates to a composition of citric acid based emulsifiers comprising polyamides for oilfield drilling applications that exhibit very low fluorescence, and to a process for their preparation.
7691234 Aqueous composition April 6, 2010
The present invention relates to an aqueous composition comprising anionic organic polymeric particles and colloidal anionic silica-based particles. The anionic organic polymeric particles are obtainable by polymerizing one or more ethylenically unsaturated monomers together with one or
7682592 Chemical process and production unit March 23, 2010
The invention relates to a continuous process for producing chlorine dioxide comprising the steps of continuously: a) feeding to a reactor (1) an acid, hydrogen peroxide and alkali metal chlorate; b) reacting the alkali metal chlorate with the acid and the hydrogen peroxide to form a
7682485 Papermaking process March 23, 2010
The present invention relates to a process for improving the absorption rate for paper products. The process comprises treating a cellulosic fiber web comprising applying to said cellulosic fiber web at least one polymer; and colloidal particles.
7678224 Method for reducing emissions and method for producing a wooden product March 16, 2010
The present invention relates to a method for reducing emissions of one or more gaseous substances from an assembly of at least two pieces of wooden materials, which have been glued together. It also relates to a method for producing a laminated wooden product comprising planing at least
7674860 Redispersible powder and its aqueous dispersion, preparation, process and use March 9, 2010
The invention relates to a redispersible powder obtainable by (co)polymerization, using a polymer with cationic functionality in an aqueous medium, optionally accompanied by the use of conventional additives, the polymer with cationic functionality being obtained by (co)polymerizatio
7674833 Composition prepared from silica sol and mineral acid March 9, 2010
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 pa
7671006 Phosphated alcanol, its use as a hydrotrope and cleaning composition containing the compound March 2, 2010
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 C.sub.8-C.sub.18-alcohol alkoxylate containing 1-20 ethyleneoxy units. It also relates to a phosphated 2-propylheptanol
7670460 Production of paper using slica-based-sols March 2, 2010
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
7666963 Hybrid copolymers February 23, 2010
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 prepari
7662306 Polysilicate microgels February 16, 2010
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 hav
7658819 Composition February 9, 2010
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 leas
7645438 Process for the production of hydrogen peroxide January 12, 2010
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 wat
7629392 Silica-based sols and their production and use December 8, 2009
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 aggregat

 
 
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