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| Number | Title | Issue Date |
| 7442357 | Manufacture of silica aerogel via vapor phase reaction A kinetically controlled vapor reaction process for synthesizing silica areogel in a reaction container by injection of a precursor reagent vapor, a catalyst reagent vapor, super saturated steam as a component of the catalyst solution, and a hydrophobic reagent vapo... | 10/28/2008 |
| 7422620 | Process for producing copper nanoparticles The present invention provides a process for producing copper nanoparticles, comprising steps of: a) reacting an aqueous solution containing a reductant with an aqueous solution of a copper salt while stirring for 1-8 min, wherein the reductant being one or more sel... | 09/09/2008 |
| 7413607 | Templated semiconductor particles and methods of making Composite particles of a semiconductor particle such as a metal chalcogenide within a crosslinked, cored dendrimer are described. Additionally, methods of making the composite particles and compositions that contain the composite particles are described. ... | 08/19/2008 |
| 7344583 | Methods of making metal particles within cored dendrimers Composite particles of a metal particle within a crosslinked, cored dendrimer are described. Additionally, methods of making the composite particles and compositions that contain the composite particles are described. ... | 03/18/2008 |
| 7335245 | Metal and alloy nanoparticles and synthesis methods thereof The present teachings are directed toward single metal and alloy nanoparticles and synthesis methods for preparing single metal and alloy nanoparticles. ... | 02/26/2008 |
| 7312100 | In situ patterning of electrolyte for molecular information storage devices This invention pertains to methods assembly of organic molecules and electrolytes in hybrid electronic. In one embodiment, a method is provided that involves contacting a surface/electrode with a compound of formula: R-L2-M-L1-Z1 whe... | 12/25/2007 |
| 7270695 | Synthesis of nanosized metal particles The present invention is directed to methods for forming nanosized metal particles. Preferably, nanosized noble metal particles are formed. According to the methods of the invention, a product containing nanosized metal particles in a solvent are formed. Additionall... | 09/18/2007 |
| 7270694 | Stabilized silver nanoparticles and their use A process comprising: reacting a silver compound with a reducing agent comprising a hydrazine compound in the presence of a thermally removable stabilizer in a reaction mixture comprising the silver compound, the reducing agent, the stabilizer, and an optional solve... | 09/18/2007 |
| 7087210 | Single-step simple and economical process for the preparation of nanosized acicular magnetic iron oxide particles of maghemite phase The present invention relates to a single-step simple and economical process for the preparation of nanosized acicular magnetic iron oxide particles of maghemite phase of size ranging between 300–350 nm in magnetic field at room temperature by biomimetic route, an... | 08/08/2006 |
| 6673953 | Polymeric and carbon compositions with metal nanoparticles The invention comprises a chemical composition with the structure shown below. The composition can be polymerized or pyrolyzed, forming transition metal nanoparticles homogeneously dispersed in a thermoset or carbon composition. The size of the nanopartic... | 01/06/2004 |
| 6666935 | Sol-gel manufactured energetic materials Sol-gel chemistry is used for the preparation of energetic materials (explosives, propellants and pyrotechnics) with improved homogeneity, and/or which can be cast to near-net shape, and/or made into precision molding powders. The sol-gel method is a synt... | 12/23/2003 |
| 6656712 | Method for immobilizing and/or crystallizing biological macromolecules on carbon nanotubes and uses Method for the attachment and/or crystallization of macromolecules, chemical reagents used in the said method, products obtained as well as applications of the said products in the field of materials and of structural biology, in particular as biosensors ... | 12/02/2003 |
| 6653468 | Universal support media for synthesis of oligomeric compounds Compounds for the synthesis of oligomeric compounds, particularly oligonucleotides and oligonucleotide mimetics, are provided. In addition, methods for functionalizing a support medium with a first monomeric subunit and methods for the synthesis of oligom... | 11/25/2003 |
| 6632497 | Hollow fibrous organic nanotube and method for producing the same The invention provides a novel hollow fibrous organic nanotube comprising an O-glycoside type glycolipid having an aldose residue as the glycosyl group and a group represented by the general formula: ##STR1## wherein R is an unsaturated straight-chain hyd... | 10/14/2003 |
| 6630171 | Particles based on polyamino-acid(s) and methods for preparing same The invention concerns delivery particles (DP's) for active principles (AP's) based on linear amphiphilic polyamino-acids (PAA's), with -peptide chains, capable of being spontaneously formed by contacting PAA's with a liquid medium, preferably with... | 10/07/2003 |
| 6613301 | Method for producing nanometer-sized ultrafine titanium dioxide A method for producing nano-sized titanium dioxide (TiO2) ultrafine powder from titanium tetrachloride (TiCl4) in the vapor phase by the gas phase oxidation reaction using flames, in which the method comprises: simultaneously introdu... | 09/02/2003 |
| 6613894 | Method for producing a pyranosyl nucleic acid conjugate The invention relates to a process for the preparation of a pyranosyl nucleic acid of the formula (I) or of the formula (II) ##STR1## The process for the preparation of the pyranosyl nucleic acid comprises (a) bonding the nucleoside to a solid support, (b... | 09/02/2003 |
| 6613302 | UZM-5, UZM-5P and UZM-6: crystalline aluminosilicate zeolites and processes using the same A new family of crystalline alumino-silicate zeolites has been synthesized. These zeolites are represented by the empirical formula. where M is an alkali or alkaline earth metal such as lithium and strontium, R is a nitrogen containing organic cation such as t... | 09/02/2003 |
| 4859444 | Method of producing ultrafine particles of graphite fluoride Graphite fluoride in the form of submicron particles is easily obtained at high yield by using, exclusively, acetylene black as the carbon material to be fluorinated with fluorine gas. Use of any other type of carbon black does not give comparable results... | 08/22/1989 |
| 4801643 | Small particle size non-surface active protective colloid-stabilized latexes derived from monomers of high aqueous phase grafting tendencies Disclosed are aqueous polyacrylate dispersions, i.e., aqueous latex dispersions of acrylate polymers, having improved rheological and stability characteristics, prepared by polymerization of acrylic esters, methacrylic esters and mixtures thereof in the p... | 01/31/1989 |
| 4769351 | Hydrothermal process for preparing zirconia-alumina base ultra-fine powders of high purity A process for preparing a zirconia-alumina base composite ultra-fine powder is described, including the steps of: mixing an aluminum salt or an alumina hydrate with an aqueous zirconium oxychloride solution, with or without metal salt acting as a stabiliz... | 09/06/1988 |
| 4766187 | Copolymerizable ethylenically unsaturated surfactants for latex preparation Disclosed herein are compounds of the formula ##STR1## wherein M is a cation selected from the group consisting of alkali metal, ammonium, amino, and hydrogen; and wherein x and y are independently selected from 0 to 2. These compounds are disclosed ... | 08/23/1988 |
| 4503021 | Preparation of titanium diboride powder Finely-divided titanium diboride or zirconium diboride powders are formed by reacting gaseous boron trichloride with a material selected from the group consisting of titanium powder, zirconium powder, titanium dichloride powder, titanium trichloride powde... | 03/05/1985 |
| 4380590 | Emulsion copolymer cation exchange resins Emulsion copolymer particles with diameters smaller than 1.5 micrometers and functionalized with cation exchange functional groups are prepared and suspended as emulsions in liquid media to form liquid cation exchange materials.... | 04/19/1983 |
| 4359537 | Emulsion copolymer anion exchange resins Emulsion copolymer particles with diameters less than 1.5 micrometers are functionalized with anion exchange functional groups by a method involving coagulation of the emulsion. Both weakly basic and strongly basic anion exchange resins are prepared from ... | 11/16/1982 |
| 4312956 | Filtration and deionization prepared from cationic and anionic emulsion ion exchange resins Flocs prepared by mixing cationic and anionic emulsion ion exchange resins are useful as a filtration and deionization medium. Flocs prepared from weakly acidic and weakly basic emulsion ion exchange resins may be regenerated thermally.... | 01/26/1982 |
| 4200695 | Flocs for filtration and deionization prepared from cationic and anionic emulsion ion exchange resins Flocs prepared by mixing cationic and anionic emulsion ion exchange resins are useful as a filtration and deionization medium. Flocs prepared from weakly acidic and weakly basic emulsion ion exchange resins may be regenerated thermally.... | 04/29/1980 |
| 4191812 | Ion exchange process involving emulsion ion exchange resins Ions are exchanged between emulsion ion exchange resins and conventional ion exchange resins during both batch and column contact. This process may be used to place the emulsion resin or the conventional resin in the desired ionic form.... | 03/04/1980 |
