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| Number | Title | Issue Date |
| 7928149 | Precious metal colloid, precious metal fine-particle, composition, and method for producing precious metal fine-particle To provide a precious metal colloid enabling a production in simply and in low cost, a long-term storage, and a formation of a thin film having a high conductivity, a precious metal fine-particle, a composition including the same, and a method for producing a precio... | 04/19/2011 |
| 7846976 | Metallic fine particles, process for producing the same, composition containing the same, and use thereof A process for producing metallic fine particles is provided by, the reduction of the metallic ions performed in two steps using two types of reducing agents which significantly differ in reducing ability thereof, in which a reducing agent in which the reduction abil... | 12/07/2010 |
| 7786178 | Process for producing fine silver particle colloidal dispersion, fine silver particle colloidal dispersion, and conductive silver film A process for producing a fine silver particle colloidal dispersion which can simply form conductive silver layers and antimicrobial coatings by screen printing or the like. The process is characterized by having a reaction step of allowing an aqueous silver nitrate... | 08/31/2010 |
| 7745499 | Metal colloid solution A colloid solution that exhibits storage stability and pH stability, being useful as viral substitute particles for use in an integrity test for virus removal membrane. In particular, a metal colloid solution characterized in that it comprises metal particles or met... | 06/29/2010 |
| 7718710 | Stable concentrated metal colloids and methods of making same A method for manufacturing stable concentrated colloids containing metal nanoparticles in which the colloid is stabilized by adding a base. This allows the metal particles to be formed in higher concentration without forming larger agglomerates and/or precipitating.... | 05/18/2010 |
| 7241814 | Preparation of metallic nanoparticles with shell-crosslinked micelle as mold A method for the preparation of a dispersion of fine particles characterized in that the micelles are ones which have been formed in a aqueous medium with an amphiphilic block copolymer represented by the general formula PB and in which the shell of each micelle has... | 07/10/2007 |
| 7217410 | Surface modified protein microparticles A microparticle contains a cross-linked protein shell, and a surface coating. ... | 05/15/2007 |
| 7189279 | Cross-linked polymeric nanoparticles and metal nanoparticles derived therefrom There are provided internally cross-linked, stable polymeric materials, in the form of substantially spherical particles, each particle consisting essentially of a single macromolecule. They have the unusual property of being soluble or dispersible in a liquid mediu... | 03/13/2007 |
| 7169735 | Catalyst and process for preparing the same The object of the present invention is to provide a catalyst that is highly active and capable of maintaining its activity for a long period of time even in a high-temperature environment. The present invention is a catalyst including: a porous carrier which is comp... | 01/30/2007 |
| 7090738 | Method of manufacturing membrane electrode assembly A membrane electrode assembly having excellent electric power generating capability is produced from a base coated with first polymer electrolytic solution to form an undried first polymer electrolytic membrane. Undried first polymer electrolytic membrane is coated ... | 08/15/2006 |
| 7053126 | Process for producing noble-metal type fine-particle dispersion, coating liquid for forming transparent conductive layer, transparent conductive layered structure and display device A process for producing a noble-metal type fine-particle dispersions, having the steps of an agglomeration step of adding a hydrazine solution to a dispersion in which primary particles of noble-metal type fine particles have been made to stand monodisperse in a sol... | 05/30/2006 |
| 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 |
| 7044995 | Purification of metals from mixtures thereof A process for preparing a pure PGM (platinum group metal) from a material containing a plurality of PGM compounds, wherein the PGM is selected from the group consisting of Pt, Pd, Os, Ir, Ru, Rh and Re, and the process includes initially forming the PGM in activated... | 05/16/2006 |
| 6972046 | Process of forming magnetic nanocomposites via nanoparticle self-assembly A process of forming a hard-soft phase, exchange-coupled, magnetic nanocomposite includes forming a dispersion of magnetic nanoparticles, separating the magnetic nanoparticles from a solvent of the dispersion so as to allow self-assembly of the magnetic nanoparticle... | 12/06/2005 |
| 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 |
| 6844026 | Preparation of particles by hydrolysis of a metal cation in the presence of a polymer A subject matter of the invention is a process for the preparation of particles comprising at least one metal ion, which comprises the stage of bringing into contact a precursor a metal cation, optionally partially hydrolyzed, with at least one water-soluble comb co... | 01/18/2005 |
| 6806238 | Use of lamellar crystallites as extreme pressure additives in aqueous lubricants, lamellar crystallites and method for obtaining same The invention concerns the use as extreme pressure additive in aqueous lubricants used for deforming or transforming metals, lamellar crystallites having a length (L) ranging between 0.1 and 100 μm, a width (I) ranging between 0.5 and 30 μm and a thickness (e) ran... | 10/19/2004 |
| 6749597 | Respiratory infection treatment device A device and method for treating an illness or infection in the repiratory tract of a body is provided. The device administers an antimicrobial mist directly to the tissues to be treated, which coats the tissues in the respiratory tract where the infection is coloni... | 06/15/2004 |
| 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 |
| 6531304 | Method for modifying the dispersion characteristics of metal organic-prestabilized or pre-treated nanometal colloids The present invention relates to a process for modifying the dispersing properties of organometallic-prestabilized or organometallic-pretreated nanometal colloids by reacting reactive metal-carbon bonds in the protective shell to prepare nanometal colloid... | 03/11/2003 |
| 6503468 | Method of preparing silver-doped vanadium pentoxide antistatic agent A method of doping vanadium pentoxide with silver comprising the steps of: providing vanadium pentoxide gel providing stable colloidal silver and combining the vanadium pentoxide gel and the colloidal silver at room temperature for a period sufficient for... | 01/07/2003 |
| 6500871 | Process for preparing colloids of particles coming from the hydrolysis of a salt of a metal cation Process for preparing mineral particles in the form of colloids in aqueous dispersion of controlled size from a precursor, comprising: a) the step of putting the said precursor, which is a mineral salt of a metal cation, into aqueous solution; b) the comp... | 12/31/2002 |
| 6462095 | Polymer-stabilized metal colloid solutions, method for producing said solutions and use of the same as catalysts for fuel cell Polymer-stabilized metal colloid solutions, process for preparing them and their use as catalysts for fuel cells. Process for preparing metal colloid solutions by reacting a platinum compound and, if desired, one or more compounds of Rh, Ru, Ir or Pd with... | 10/08/2002 |
| 6455594 | Method for producing platinum colloid, and platinum colloid produced by the same A platinum colloid is formed by reducing platinum ions by agitating a treatment solution, while controlling temperature of the treatment solution under a reductive atmospheric condition. The solution contains one part of capacity of a platinum chloride ac... | 09/24/2002 |
| 6224739 | Process for preparing solvent-stabilized metal colloids and substrate-immobilized metal clusters Solvent-stabilized transition metal colloids are prepared either electrochemically by cathodically reducing metal salts in the presence of polar stabilizing solvents to form metal colloids, or the transition metal salts are reduced in polar solvents using... | 05/01/2001 |
| 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 |
| 6090858 | Shape control method for nanoparticles for making better and new catalysts A method for shape controlled synthesis of colloidal metal nanoparticles includes providing a solution of 8×10-5 M K2 PtCl4 and water in a reaction vessel and maintaining the vessel at a constant temperature of approximat... | 07/18/2000 |
| 6054495 | Synthesis of unagglomerated metal nano-particles at membrane interfaces The present invention relates to a powder of unagglomerated metallic particles. More particularly, the present invention relates to a powder of unagglomerated metallic particles having an average diameter of about 1-100 nm and the process for making the s... | 04/25/2000 |
| 5957828 | Silver sol, preparation thereof, coating material for forming transparent conductive film and transparent conductive film A silver sol comprises silver particles having a particle size ranging from 1 to 100 nm and a silver solid content ranging from 1 to 80% by weight. The silver sol can be prepared by a method comprising the steps of reacting a solution of a silver compound... | 09/28/1999 |
| 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 |
| 5872013 | Universally applicable detection system based on ultra small colloidal metal particles An aggregate for qualitatively or quantitatively determining bindable substances. Said aggregate comprises an ultra small colloidal particle and a specific binding agent characterized in that the mean diameter of the colloidal particle is below 2 nm. Pref... | 02/16/1999 |
| 5583056 | Method for preparing aqueous suspension for diagnostic tests The invention relates to an aqueous suspension for diagnostic or immunodiagnostic tests, comprising non-polymer nuclei surrounded by a hydrophilic copolymer that contains functional groups, and also to a method for the preparation of this suspension. The ... | 12/10/1996 |
| 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 |
| 5384073 | Ligand gold bonding Gold sol coated with alkanethiols and alkanethiol derivatives, which provide groups on the sol available for the linking of binding moieties such as antibodies, antigens or ligands to the gold sol. Di- and tri-thiol compounds bound to gold sol also facili... | 01/24/1995 |
| 5362417 | 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... | 11/08/1994 |
| 5294369 | Ligand gold bonding Gold sol coated with alkanethiols and alkanethiol derivatives, which provide groups on the sol available for the linking of binding moieties such as antibodies, antigens or ligands to the gold sol. Di- and tri-thiol compounds bound to gold sol also facili... | 03/15/1994 |
| 5187209 | Colloidal metal dispersion, and a colloidal metal complex Thers is disclosed a novel colloidal metal dispersion in which colloidal particles of a metal are protected by specific polymers including hydrazide polymers, acrylic ester polymers and acrylamide polymers. The colloidal metal dispersion is highly stable,... | 02/16/1993 |
| 5182190 | Method for obtaining a photographic coating composition The present invention relates to a method for obtaining a silver halide photographic composition for a coating layer. The method consists in individually preparing the various components of the desired layer, comprising at least one silver halide emulsion... | 01/26/1993 |
| 5030669 | Pigment dispersions A dispersion and a method therefor wherein the dispersion has composition A or B, wherein A is a nonaqueous dispersion comprising pigment particles having an average size of less than 0.1 micrometer dispersed in an organic medium, and B is an aqueous dispersio... | 07/09/1991 |
| 4904411 | Highly loaded, pourable suspensions of particulate materials Slurries or suspensions for forming sintered ceramic or metallic articles are described as having a high volume fraction of sinterable particles, at least 55% by volume. while the slurries maintain a pourable viscosity, such as not more that 2000 cPs at 1... | 02/27/1990 |
