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| Number | Title | Issue Date |
| 7411085 | Carbon nanotube dispersion, production method of carbon nanotube structure and carbon nanotube structure A carbon nanotube dispersion includes a carbon nanotube compound represented by structural formula A and a dispersion medium in which the carbon nanotube is dispersed or dissolved, wherein a moiety represented by double lines... | 08/12/2008 |
| 7371738 | Method of transdermal drug delivery using hyaluronic acid nanoparticles The present invention relates to the development of a hyaluronic acid and hyaluronic acid hybrid nanoparticle systems for the administration of active molecules, peptides, DNA and/or other hydrophilic or hydrophobic molecules, the composition of hyaluronic acid and ... | 05/13/2008 |
| 7371696 | Carbon nanotube structure and method of vertically aligning carbon nanotubes A Carbon NanoTube (CNT) structure includes a substrate, a CNT support layer, and a plurality of CNTs. The CNT support layer is stacked on the substrate and has pores therein. One end of each of the CNTs is attached to portions of the substrate exposed through the po... | 05/13/2008 |
| 7348364 | Segmented copolyesters as compliant, absorbable coatings and sealants for vascular devices Disclosed are absorbable sealants or coatings for biomedical devices which are formulated from a segmented copolyester having a molecular weight of more than 5 kDa, a glass transition temperature of less than 35° C., and low degree of crystallinity evidenced by a h... | 03/25/2008 |
| 7335752 | Azobenzene derivative compound, particle and method of fabricating the same An azobenzene derivative compound denoted by general formula (I): (wherein R1 denotes a hydrogen atom, halogen atom, cyano group, amino group, ester group, nitro group, alkyl group, alkoxyl group, cycloalkyl grou... | 02/26/2008 |
| 7304103 | Process for making polymers comprising derivatized carbon nanotubes and compositions thereof The present invention incorporates new processes for blending derivatized carbon nanotubes into polymer matrices to create new polymer/composite materials. When modified with suitable chemical groups using diazonium chemistry, the nanotubes can be made chemically co... | 12/04/2007 |
| 7273652 | Hollow carbon fiber and production method Production of hollow carbon fibers and hollow carbon particles includes baking and carbonization of polymer particles having a specified volume after deformation. A metal-deposited carbon fiber with metal deposited inside and/or outside the hollow carbon fiber is ap... | 09/25/2007 |
| 7229837 | Enhanced photophysics of conjugated polymers A particulate fluorescent conjugated polymer surfactant complex and method of making and using same. The particles are between about 15 and about 50 nm and when formed from a lipsome surfactant have a charge density similar to DNA and are strongly absorbed by cancer... | 06/12/2007 |
| 7122461 | Method to assemble structures from nano-materials Numerous embodiments of a method to assemble nano-materials on a platform are described. In one embodiment, a nano-material is functionalized with a first bondable group. The functionalized nano-material is disposed on an assembly platform having an electrode to for... | 10/17/2006 |
| 6682748 | Transfer-free cosmetic composition comprising a dispersion of polymer particles in a liquid fatty phase and a fat-soluble polymer A composition suitable for topical application, which contains: a liquid fatty phase, at least one coloring agent, at least 2% by weight, with respect to the total weight of the composition, of a polymer which is dispersible in the liquid fatty phase, a... | 01/27/2004 |
| 6680411 | Carborane supercluster and method of producing same A carborane supercluster consisting of carborane (C2 B10 H12) as its constituent unit expressed as a molecular formula C2m B10m H12m-x, where x is a positive integer (i.e., x=1, 2, 3, . . .... | 01/20/2004 |
| 6680016 | Method of forming conductive polymeric nanocomposite materials A method of reinforcing a polymeric material with carbon nanofibers is provided in which carbon nanofibers are combined with a polymer and a solvent for the polymer to form a substantially homogeneous mixture, followed by removal of the solvent by evapora... | 01/20/2004 |
| 6676887 | Oxidation resistant carbon composites with improved friction performance and methods for making and using them An oxidation resistant carbon composite material comprises nanocrystalline silicon carbide regions distributed throughout a carbon matrix. The composite is prepared by intermixing in a solvent a silicon carbide precursor and a carbon precursor and forming... | 01/13/2004 |
| 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 |
| 6670285 | Nitrogen-containing polymers as porogens in the preparation of highly porous, low dielectric constant materials Dielectric compositions comprised of porous polymeric matrices are prepared using nitrogen-containing polymers as pore-generating agents. The compositions are useful in the manufacture of electronic devices such as integrated circuit devices and integrate... | 12/30/2003 |
| 6669851 | Water purification by polymer colloids A colloid comprises a sulfone polymer. The colloid may be used as a replacement for activated carbon or charcoal in water purification systems. Unlike activated carbon, the colloid is advantageously regenerated chemically and reused.... | 12/30/2003 |
| 6667360 | Nanoparticle-filled polymers Polymer resins incorporating nanoparticles having a particle size in the range of 1-100 nm and a narrow particle size distribution have improved tensile properties and scratch resistance.... | 12/23/2003 |
| 6664315 | Nanocomposites of dendritic polymers In the present invention, an inorganic reactant is, or reactants are, localized with respect to a dendritic polymer by physical constraint within or by a non-covalent conjugation to the dendritic polymer. The localized inorganic reactant or reactants is/a... | 12/16/2003 |
| 6656641 | Methods of enhancing conductivity of a polymer-ceramic composite electrolyte Methods for enhancing conductivity of polymer-ceramic composite electrolytes are provided which include forming a polymer-ceramic composite electrolyte film by a melt casting technique and uniaxially stretching the film from about 5 to 15% in length. The ... | 12/02/2003 |
| 6652958 | Thermally conductive polymer sheet A thermally conductive polymer sheet includes a polymer matrix and graphitized carbon fibers as a thermally conductive filler. The graphitized carbon fibers are formed by spinning, infusibilization, carbonization, pulverized mesophase pitch before graphit... | 11/25/2003 |
| 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 |
| 6646026 | Methods of enhancing dyeability of polymers The invention relates to new methods of dyeing polymers. The methods include dispersing nanomaterials into the polymers to form polymer nanocomposites, and dyeing the polymer nanocomposites with a dye. The invention also relates to dyed polymers thus obta... | 11/11/2003 |
| 6641792 | Hollow carbon fiber and production method Production of hollow carbon fibers and hollow carbon particles includes baking and carbonization of polymer particles having a specified volume after deformation. A metal-deposited carbon fiber with metal deposited inside and/or outside the hollow carbon ... | 11/04/2003 |
| 6641773 | Electro spinning of submicron diameter polymer filaments An electro spinning process yields uniform, nanometer diameter polymer filaments. A thread-forming polymer is extruded through an anodically biased die orifice and drawn through an anodically biased electrostatic field. A continuous polymer filament is co... | 11/04/2003 |
| 6634321 | Systems and method for storing hydrogen Devices and methods for storing hydrogen fuels or other gaseous fuels. One embodiment of a container for storing gaseous fuels in accordance with an aspect of the invention comprises a high-pressure vessel configured to contain the gas in a high-pressure ... | 10/21/2003 |
| 6635720 | Core-shell tectodendrimers Core-shell tecto(dendrimers) useful in biomedicine, pharmaceuticals, personal care products, and in other ways analogous to the known uses for dendrimers, hypercomb branched polymers, and other dendritic polymers are the reaction product of a core dendrit... | 10/21/2003 |
| 6630131 | Composition containing a mixed silicate, a polysaccharide and crosslinked poly(2-acrylamido-2-methyl-propane-sulphonic acid) polymer The invention relates to a composition containing at least one mixed silicate, at least one polysaccharide and at least one crosslinked poly(2-acrylamido-2-methylpropanesulphonic acid) polymer which is at least 90% neutralized, having use in the cosmetic ... | 10/07/2003 |
| 6621970 | UV-curable optical fiber coating composition including fullerenes A composition for coating an optical waveguide, more specifically, an optical fiber, and optical fibers coated therewith are disclosed. The coating composition is a radiation curable composition containing: a radiation curable oligomer, a reactive diluent... | 09/16/2003 |
| 6245312 | Superhard carbon material, a method for its production, and articles made therefrom The present invention is concerned with a superhard carbon material having a structure comprising structural elements, in the form of tetrahedrons, with groups of carbon atoms in their apices. It is also concerned with a method for producing the superhard... | 06/12/2001 |
| 4871716 | Magnetically responsive, hydrophilic microspheres for incorporation of therapeutic substances and methods of preparation thereof Novel magnetically responsive hydrophilic protein or polypeptide microspheres prepared by dispersing an aqueous solution or dispersion of protein or polypeptide and particulate magnetically responsive material in an organic solvent solution of a high mole... | 10/03/1989 |
| 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 |
| 4791151 | Multilobals Binder, coating, and adhesive compositions having surprising film build, flow, leveling, and adhesive wet tack are provided by an aqueous dispersion comprising polymer particles having a central core surrounded by lobes. Also disclsoed are the uses and pr... | 12/13/1988 |
| 4745160 | Biodegradable amphipathic copolymers A pharmaceutically or veterinarily acceptable amphipathic, non-cross linked linear, branched or graft block copolymer, which has a minimum weight average molecular-weight of 1000, in which the hydrophobic component is biodegradable or hydrolytically unsta... | 05/17/1988 |
| 4683100 | 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 ... | 07/28/1987 |
| 4470405 | Method and apparatus for controlling insolation in a building A method, apparatus and system is provided for controlling the rate of insolation transmission through the roof of a building, such as a greenhouse. The roof is provided with translucent panels through which liquid containing opaquing material passes. Con... | 09/11/1984 |
| 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 |
| 4247340 | Purification of sugars using emulsion anion exchange resins Impure sugar solutions containing charged particulate impurities are treated with strongly basic emulsion anion exchange resin particles to form flocs of the charged particulate impurities and the resin particles. These flocs remove dissolved ionic impuri... | 01/27/1981 |
| 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 |
