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| Number | Title | Issue Date |
| 7482384 | Iron composite particles for purifying soil or ground water, process for producing the same, purifying agent containing the same, process for producing the purifying agent and method for purifying soil or ground water Iron composite particles for purifying soil or ground water, comprise α-Fe and magnetite, and having a ratio of a diffraction intensity D110 of (110) plane of α-Fe to a sum of a diffraction intensity D311 of (311) plane of magnetite and the d... | 01/27/2009 |
| 7053125 | Controlled dispersion of colloidal suspension by comb polymers Comb polymers are used as dispersants to increase the stability of colloidal suspensions containing multivalent or high concentrations of monovalent ions. Stabilized colloidal suspensions and methods of forming stabilized colloidal suspensions are described, includi... | 05/30/2006 |
| 6929764 | Polymers having ordered, monodisperse pores and their corresponding ordered, monodisperse colloids Ordered, monodisperse macroporous polymers, their corresponding ordered, monodisperse colloids, and methods of preparing them are disclosed. The methods use an ordered, monodisperse colloidal template to define the polymer pore morphology, which in turn acts as a mo... | 08/16/2005 |
| 6706795 | Methods for the preparation of nanosized material particles The present invention relates to a method for the production of particles of nano-materials being transition metals and alloys; metal oxides; and ceramic compositions having a small nanosize, i.e. about 1-6 nm. The method comprises a synthesis in the solutions of co... | 03/16/2004 |
| 6645626 | Superparamagnetic nanostructured materials Amphiphilic block copolymers are used as structure-directing agents for the production of superparamagnetic nanostructured material. A block copolymer solution containing an amphiphilic block copolymer is formed. A sol-gel precursor is formed by hydrolyzi... | 11/11/2003 |
| 6626987 | Modified metal oxide sol, coating composition and optical element A stable modified metal oxide sol which contains from 2 to 50 wt %, as calculated as metal oxides, of particles (c) comprising colloidal particles (a) of a metal oxide having primary particle diameters of from 2 to 60 nm, as nuclei, and a coating material... | 09/30/2003 |
| 6596190 | Remediation agent for contaminated soil and method for the remediation of soil A method for the remediation of contaminated soil directly and effectively removes the contaminants such as organic halides from the contaminated soil, using remediation agents for soil. In more detail, the agents include a slurry of fine iron particles i... | 07/22/2003 |
| 6135372 | Hydroxy-carboxylic acid grinding aids A grinding composition is disclosed for the grinding particulate metal containing minerals containing as a grinding aid at least one hydroxy-carboxylic acid of five to six carbon atoms, containing at least three hydroxyl groups and from one to two carboxy... | 10/24/2000 |
| 5889103 | Polymer scale preventive agent comprising a condensation product of a quinone compound A polymer scale preventive agent for use in polymerization of a monomer having an ethylenically unsaturated double bond, comprising an alkaline solution containing (A) a condensation product having a molecular weight of 400 to 50,000 obtained by condensin... | 03/30/1999 |
| 5876623 | Biodegradable aspartic acid polymers for preventing scale formation in boilers A biodegradable anti-scalant for steam generators, boilers and other heat transfer equipment is provided. Anti-scalants prepared in accordance with the present invention include aspartic acid, poly(aspartic acid) and copolymers of aspartic acid and functi... | 03/02/1999 |
| 5776360 | Highly disperse magnetic metal oxide particles, processes for their preparation and their use This invention relates to magnetic particles comprising mixed oxides of divalent metals and iron (III), having a diameter of 1-10 nm and a surface area of 120-350 m2 /g, with silanes bound to the surface of said particle. It also relates to (1)... | 07/07/1998 |
| 5603865 | Copolymer dispersant composition for inorganic pigments The present invention is directed to a pigment dispersant composition for use with inorganic pigments in coating compositions. The dispersant composition includes a vinyl or acrylic copolymer and a transition metal or rare earth metal salt. The metal salt... | 02/18/1997 |
| 5578245 | Method of preparing a stable colloid of submicron particles The invention provides submicron particles. The invention further provides submicron particles which are dispersed in an aqueous colloid. The invention further provides a method of forming the stable dispersion which includes providing an ion exchange res... | 11/26/1996 |
| 5536445 | Surfactant and dispersible or emulsifiable compositions employing surfactant A surfactant comprising a carboxylic acid ester or amide carrying a terminal strong acid group selected from carboxymethyl, sulphate, sulphonate, phosphate and phosphonate, suitable for stabilising dispersions of solids in organic liquids and oil/water em... | 07/16/1996 |
| 5300255 | Surfactant products of poly(hydroxyalkanecarboxylic acid) phosphate esters A surfactant comprising a carboxylic acid ester or amide carrying a terminal strong acid group selected from carboxymethyl, sulphate, sulphonate, phosphate and phosphonate, suitable for stabilising dispersions of solids in organic liquids and oil/water em... | 04/05/1994 |
| 5284512 | Polyaspartic acid and its salts for dispersing suspended solids Water soluble salts of a ଲ-polyaspartic acid, i.e., a polyaspartic acid having predominantly beta linkages in the amino acid residue chain thereof, are eminently well suited as dispersants for particulate matter in an aqueous medium.... | 02/08/1994 |
| 5244979 | Pigment dispersing agent A pigment dispersing agent for paints is constituted with a particular acrylic polymer component having a tertiary amino group and/or a nitrogen-containing heterocyclic ring and a particular polyester component, and has particular number average molecular... | 09/14/1993 |
| 5143637 | Magnetic fluid composition A heat-resistant, water-resistant, low-viscosity magnetic fluid and a process for producing same has a dispersion medium made of a low-volatile organic solvent, a low molecular weight dispersant having a lipophilic group and a polar group, the lipophilic ... | 09/01/1992 |
| 5112418 | Method for bonding joints with an organic adhesive using a water soluble silane modified amorphous hydrated metal oxide primer A method of bonding a plurality of articles together with an organic adhesive by using a primer that provides increased crack propagation resistance without the use of organic solvents. The method comprises reacting aluminum, titanium silicon, iron, or zi... | 05/12/1992 |
| 5059248 | Stable, fluid, aqueous pigment dispersions for use in film coating tablets and the like Improved stable, fluid, aqueous dispersion compositions comprise a pigment, an alkali metal, alkaline earth metal or ammonium salt of a linear aliphatic substituted glycine such as a salt of ethylene diamine tetraacetic acid or nitrilo triacetic acid as a... | 10/22/1991 |
| 4888079 | Method for bonding joints with an organic adhesive using a water soluble amorphous hydrated metal oxide primer A method of bonding a plurality of articles together with an organic adhesive by using a primer that provides increased crack propogation resistance without the use of organic solvents. The method comprises reacting aluminum, titanium, silicon, iron, or z... | 12/19/1989 |
| 4704295 | Enteric film-coating compositions A non-toxic edible enteric film coating dry powder and aqueous enteric coating suspension for coating pharmaceutical tablets and the like; the enteric coated tablets; and methods of making the enteric coating dry powder, the aqueous coating suspension, an... | 11/03/1987 |
| 4612138 | Stable acidic and alkaline metal oxide sols A stable acidic and alkaline metal oxide sol is formed by hydrolyzing a metal salt precursor in the presence of a stabilizing component chosen from the group consisting of surfactants having an HLB of at least 8, dispersing carboxylate polymers, and mixtu... | 09/16/1986 |
| 4604525 | Radiation image storage panel with dispersing agent In a radiation image storage panel comprising a support and a phosphor layer which comprises a binder and a stimulable phosphor dispersed therein and is colored with a colorant, the improvement which comprises said colorant is a pigment capable of absorbi... | 08/05/1986 |
| 4548733 | Anionic siliconates of silylorganocarboxylates, sulfonates and phosphonates to reduce viscosities of particulate slurries What is disclosed is a method of reducing the viscosities of aqueous slurries of particulate materials using anionic siliconates of silylorganocarboxylates, sulfonates and phosphonates and the compositions that are obtained thereby. An example is the use ... | 10/22/1985 |
| 4452704 | Method for treating aqueous mediums Method and composition for controlling the deposition of scale imparting precipitates on structural parts of a system exposed to an aqueous medium containing scale imparting precipitates, under scale imparting conditions, are disclosed. Specifically, thes... | 06/05/1984 |
| 4361492 | Particulate dispersant enhancement using acrylamide-acrylic acid copolymers A method of enhancing the activity of water-soluble, low molecular weight polymeric dispersants used to suspend iron oxides in cooling waters which also contain soluble iron compounds comprises treating such waters with the water-soluble, low molecular we... | 11/30/1982 |
| 4224178 | Method for reducing the crystallinity of a stabilized colloidal composition A method for the formation of amorphous dispersions derived by the admixing of a stabilized colloidal dispersion of a higher degree of crystallinity with a modifier. The modified dispersions exhibit a shift towards lower particle size distribution. The re... | 09/23/1980 |
| 4114956 | Transporting iron ore slurries Method of transporting iron ore by forming an aqueous slurry containing by volume 20 to 45 percent iron ore; from 0.02 to 0.4 percent by weight based on iron ore in the slurry of a dispersant; and from 0.01 to 0.2 percent by weight based on water in the s... | 09/19/1978 |
| 4048354 | Method of preparation and use of novel electroless plating catalysts A method for the formation of novel colloidal catalytic electroless plating compositions comprises admixing a highly stable non-active colloidal dispersion with an activity modifier. The mixture so formed is used in electroless plating processes wherein a... | 09/13/1977 |
| 4028216 | Method for producing an alumina sol A stoichiometric amount of aluminum is commingled with hydrochloric acid in an aqueous media to provide a final reaction mixture containing from about 10 to about 14 wt. % aluminum in from about a 1:1 to about 1.5:1 ratio with the chloride anion content t... | 06/07/1977 |
| 4000085 | Process for manufacturing gels containing iron and molybdenum and the uses thereof Gels containing molybdenum and iron and optionally other metals, are useful in the production of catalysts or as optical filters. They are produced by conducting essentially a solid - solid reaction between a compound of molybdenum, e.g. ammonium molybdat... | 12/28/1976 |
| 3992343 | Process for dispersing undissolved solid, organic or inorganic colorant particles Process for dispersing solid, organic or inorganic colorant particles or mixtures thereof in a system comprised mainly of water by mixing into the aqueous system about 0.05 to 10% by weight of at least one dispersing agent comprising a polymer derived fro... | 11/16/1976 |
| 3958048 | Aqueous suspensions for surface activation of nonconductors for electroless plating Water soluble salts of metals other than the noble metals, such as copper and nickel salts, are converted in the presence of a water soluble suspending agent to suspensions of water insoluble catalytic particles which are absorbable onto the surface of no... | 05/18/1976 |
