Class / Patent application number | Description | Number of patent applications / Date published |
428402240 | Microcapsule with solid core (includes liposome) | 37 |
20080241541 | ELASTIC LAMINATES HAVING FRAGRANCE RELEASING PROPERTIES AND METHODS OF MAKING THE SAME - An elastic laminate having fragrance releasing microcapsules embedded within a nonwoven web layer of the laminate is generally disclosed. The elastic laminate is configured to release the encapsulated fragrance upon stretching the laminate. The elastic laminate can continue to release fresh fragrance even after the first stretching force is applied, effectively extending the life of the elastic laminate. The resulting elastic laminate is useful for many applications, and is particularly useful in the construction of an absorbent article. | 10-02-2008 |
20080305334 | CORE/SHELL NANOCRYSTALS AND METHOD FOR PRODUCING THE SAME - Disclosed herein are a core/shell nanocrystal and a method for producing the same. More specifically, disclosed herein are a core/shell nanocrystal comprising a metal-doped shell nanocrystal, and a method for producing the same. The core/shell nanocrystal comprises a core nanocrystal and a metal-doped shell nanocrystal formed on the core nanocrystal. Based on the structure, the core/shell nanocrystal exhibits superior crystallinity and high luminescence efficiency, enables easy control of the shape and size and can be produced in a simple manner. | 12-11-2008 |
20080305335 | CORE-SHELL STRUCTURED SILICONE RUBBER GRAFT POLYMERS, IMPACT-RESISTANT MODIFIED MOLDING COMPOUNDS AND MOLDED BODIES AND METHOD FOR PRODUCING THE SAME - The invention relates to core-shell structured silicone rubber graft polymers that comprise a core a) from a silicium-organic polymer that corresponds to the general formula (R2SiO2/2)x.(RSiO3/2)y.(SiO4/2)z, wherein x=0 to 99.5 mole %, y=0.5 to 100 mole %, z=0 to 50 mole %, wherein R is the same or different and represents alkyl or alkenyl groups having 1 to 6 C atoms, aryl groups or substituted hydrocarbon groups and at last one shell c) from an organic polymer. The silicone rubber graft copolymers are obtained by producing the organic shell c) by radical polymerization at a temperature of not more than 65° C. and adding the initiator in at least two portions to the reaction vessel, with a further addition at least 2 minutes after start of the polymerization. | 12-11-2008 |
20080305336 | Reversible Polymer/Metal Nano-Composites And Method For Manufacturing Same - The present invention provides a polymer/metal nano-composite. The nano-composite includes at least one copolymer chain having alkenyl monomer units and maleimide monomer units, and a nano-sized metal or inorganic crystal. It also provides a method of producing nano-sized metal/inorganic crystals in pure form. These nano-composites and nano-crystals can be useful as polymer fillers, tire rubber compounds, semiconductors, nano-magnets, catalysts, and quantum dots etc. | 12-11-2008 |
20090047517 | MULTILAYER POLYMER FILMS - The invention relates to a multilayer polymer assembly comprising polymer layers covalently bonded together by crosslinks comprising a cyclic moiety, and to processes for the preparation thereof. | 02-19-2009 |
20090061230 | Synthesis of Titanium Dioxide Nanoparticles - The present invention relates to a process for the production of titanium-containing oxide particles having an average primary particle size of 25 nm or less, which comprises the reaction of a hydrolysable halide-containing titanium compound with water in a reaction mixture comprising a polyol, and the particles obtainable thereby. The claimed method is suitable for an industrial upscale and allows the formation of concentrated stable and transparent dispersions in water without the aid of dispersing agents such as surfactants. | 03-05-2009 |
20090098382 | POROUS PARTICLES WITH NON-POROUS SHELL - The present invention is core-shell polymer particles comprising a common binder polymer for the core and the shell wherein the core has a porosity and the shell is non-porous The particles have a porosity from 10 to 70 percent. | 04-16-2009 |
20090324955 | MULTILAYERED CHROMONIC STRUCTURES - A method of making a multilayered chromonic structure comprises (a) preparing a first aqueous mixture comprising (i) a first continuous water-soluble polymer phase and (ii) a first discontinuous chromonic phase comprising a chromonic material, to form chromonic nanoparticles; (b) non-covalently crosslinking the resulting chromonic nanoparticles with a multivalent cation salt; (c) dispersing the resulting crosslinked chromonic nanoparticles in a composition comprising a chromonic material to form a chromonic nanoparticle dispersion; and (d) preparing a second aqueous mixture comprising (i) a second discontinuous chromonic phase comprising the chromonic nanoparticle dispersion and (ii) a second continuous water-soluble polymer phase, to encapsulate the chromonic nanoparticles; wherein at least one of the first discontinuous chromonic phase and the second discontinuous chromonic phase further comprises a guest compound. | 12-31-2009 |
20100255309 | Encapsulated Solid Hydrophilic Particles - A process of forming a population of microcapsules is described comprising a solid hydrophilic core material and a wall material at least partially surrounding the core material. The microcapsule population is formed by providing an anionic, or optionally a cationic, solid hydrophilic core material; providing an oil continuous phase which is low boiling and preferably nonflammable, the oil continuous phase comprising one or more esters with chain length up to about 18 carbons. A mixture is formed by dispersing the solid hydrophilic material in the oil continuous phase. Either an oil soluble or dispersible amine acrylate or methacrylate, along with acid, or alternatively acid acrylate or methacrylate along with base is added. A multifunctional acrylate or methacrylate monomer or oligomer is provided and an initiator. Optionally a surfactant is also added to form the mixture. Emulsification is achieved by subjecting the mixture to high shear agitation and heating the mixture for a time sufficient to enable the acid or amine acrylate or methacrylate and the multifunctional acrylate or methacrylate to form a prepolymer which migrates to the anionic or cationic solid hydrophilic material, thereby forming prepolymers adhered to the hydrophilic core materials. Temperature is held or heating continued for a time sufficient to enable the prepolymer to flow onto and coalesce into a continuous film surface coating on the hydrophilic core material. Heating is carried out or light exposure or both for a time and temperature sufficient to cross link the prepolymers. | 10-07-2010 |
20110014471 | EASY-TO-SUSPEND HYDROPHOBING AGENTS - The invention relates to solids powders comprising particles having an average particle size of 0.1 to 50 μm with predominantly a core-shell structure, wherein the core comprises at least one water-insoluble fatty acid salt and the shell at least one anionic, cationic or non-ionic emulsifier, and the solids powder when introduced into water or at least one polar organic solvent or a mixture comprising water and at least one polar organic solvent, at a temperature of 23° C. while exposed to a mechanical force, forms a complete dispersion within 60 minutes or less. | 01-20-2011 |
20110070443 | Preparation of Nanoparticle Materials - A method of producing nanoparticles comprises effecting conversion of a nanoparticle precursor composition to the material of the nanoparticles. The precursor composition comprises a first precursor species containing a first ion to be incorporated into the growing nanoparticles and a separate second precursor species containing a second ion to be incorporated into the growing nanoparticles. The conversion is effected in the presence of a molecular cluster compound under conditions permitting seeding and growth of the nanoparticles. | 03-24-2011 |
20110159289 | Method of encapsulating particulate materials - A method of encapsulating particulate materials that enables the particulate materials to be used in end use applications where they currently are not useful. The method uses specific sol gel technology to encapsulate solid particles. In addition, the method can be used to multiple coat a coated particle. | 06-30-2011 |
20110217553 | Frozen Ionic Liquid Microparticles and Nanoparticles, and Methods for their Synthesis and Use - “Frozen ionic liquid” microparticles and nanoparticles are disclosed, as are alternative methods of making the particles. The particles may be monodisperse or polydisperse, with spherical or other shapes. The particles may be prepared without specialized equipment, and without harsh conditions. The microparticles and nanoparticles have uses in biomedical, materials, analytical, and other fields. | 09-08-2011 |
20110311823 | CORE SHELL PHOSPHOR AND METHOD OF MAKING THE SAME - A method of making a core-shell phosphor is provided. The method comprises mixing a lanthanum phosphate (LaPO | 12-22-2011 |
20120064347 | HEAT-EXPANDABLE MICROSPHERES AND A METHOD OF MAKING HEAT-EXPANDABLE MICROSPHERES AND APPLICATION THEREOF - Heat-expandable microspheres having high heat resistance and high solvent resistance, a production process thereof include a shell of a thermoplastic resin and a thermally vaporizable blowing agent being encapsulated therein. The thermoplastic resin includes a copolymer produced by polymerizing a polymerizable component containing a carboxyl-group-containing monomer. The surface of the heat-expandable microspheres is treated with an organic compound containing a metal of the Groups from 3 to 12 in the Periodic Table. | 03-15-2012 |
20120077037 | METAL COMPLEX NANOPARTICLES AND METHOD FOR PRODUCING THE SAME - A method for producing metal complex nanoparticles, the method having: providing an aqueous solution containing a metal cyano complex anion having a metal atom M | 03-29-2012 |
20120148845 | HEAT STORAGE MICROCAPSULES AND MANUFACTURING METHOD THEREOF - Disclosed are heat storage microcapsules encapsulating a water-soluble heat storage material stably and certainly, heat storage microcapsules with high durability which prevent phase separation of an inorganic salt hydrate latent heat storage material, heat storage microcapsules which prevent supercooling of a latent heat storage material to exhibit stable heat history and a manufacturing method thereof. The heat storage microcapsules comprise a core covered with a shell, wherein the core contains (a) at least one water-soluble latent heat storage material selected from a salt hydrate and a sugar alcohol and (b) a polymer derived from a water-soluble monomer mixture of a water-soluble monofunctional monomer and a water-soluble multifunctional monomer, and the shell is composed of a hydrophobic resin. | 06-14-2012 |
20120177924 | MICROCAPSULES - The present invention concerns microcapsules comprising a capsule core, a capsule wall and also, disposed on the outer surface of the capsule wall, a polyelectrolyte having an average molecular weight in the range from 500 g/mol to 10 million g/mol, the capsule wall being constructed from | 07-12-2012 |
20120225295 | MINIATURIZED MICROPARTICLES - A system and method for forming encoded microparticles is described. One embodiment includes an encoded microparticle, the microparticle comprising a plurality of segments aligned along an axis, wherein the plurality of segments define a code for the microparticle; and an outer cuboid encapsulating the plurality of segments, wherein the plurality of segments are detectable through the outer cuboid. | 09-06-2012 |
20120270050 | Functionally Coated Non-Oxidized Particles and Methods for Making the Same - Air-stable coated particles which include an oxidizable core having an organic ligand coating substantially encompassing the oxidizable core, are disclosed and described. The coated particles can also be substantially free of an oxide layer, especially oxide layers around the oxidizable core. As such, the organic ligand coating acts as a protective or passivating coating. The air-stable coated particles can be formed via a particle size-reduction process. An oxidizable particulate can be crushed and contacted with an organic ligand. The process conditions are maintained such that an oxide layer is preempted from forming on the oxidizable core. Such materials can be effective as high energy density additives for various fuels, pyrotechnic, ionic liquids, and rocket propellant applications and for biomedical applications. | 10-25-2012 |
20130004772 | SUPERFICIALLY POROUS METAL OXIDE PARTICLES, METHODS FOR MAKING THEM, AND SEPARATION DEVICES USING THEM - Superficially porous hybrid particles include hybrid solid cores that each contain an inorganic material and an organic material; and porous hybrid outer shells each include the inorganic and organic materials and having ordered pores, wherein the ordered pores have a median pore size ranges from about 15 to about 1000 Å with a pore size distribution (one standard deviation) of no more than 50% of the median pore size and produce at least one X-ray diffraction peak between 0.01° and 10° of a 2θ scan range; wherein the particles have a median size range from about 0.5 μm to about 100 μm with a particle size distribution (one standard deviation) of no more than 15% of the median particle size, wherein the inorganic material comprises a metal oxide selected from silica, alumina, titania or zirconia. | 01-03-2013 |
20130017395 | DOUBLE CORE-SHELL FLUORESCENT MATERIALS AND PREPARATION METHODS THEREOFAANM Zhou; MingjieAACI GuangdongAACO CNAAGP Zhou; Mingjie Guangdong CNAANM Ma; WenboAACI GuangdongAACO CNAAGP Ma; Wenbo Guangdong CNAANM Lu; ShuxinAACI GuangdongAACO CNAAGP Lu; Shuxin Guangdong CNAANM Wang; YewenAACI GuangdongAACO CNAAGP Wang; Yewen Guangdong CN - Double core-shell fluorescent materials and preparation methods thereof are provided. The double core-shell fluorescent materials include inner core, inner shell coating the inner core and outer shell coating the said inner shell. The inner core is metal particle and the chemical constitution of the inner shell is silicon dioxide. The outer shell is fluorescent powder represented by the following chemical formula: (R | 01-17-2013 |
20130040144 | SILICONE MICROPARTICLE AND METHOD FOR PRODUCING THE SAME - The present invention provides a silicone microparticle, wherein the silicone microparticle comprises 100 parts by mass of a silicone elastomer spherical microparticle having volume-average particle diameter of 0.1 to 100 μm and 0.5 to 25 parts by mass of a polyorganosilsesquioxane to cover surface of the silicone elastomer spherical microparticle, wherein the polyorganosilsesquioxane has a shape of granule with the size thereof being 60 nm or less. There can be provided a silicone microparticle having low agglomerating tendency and excellent dispersibility even if rubber hardness of a silicone elastomer microparticle is low and a particle diameter thereof is small. | 02-14-2013 |
20130059154 | POLYLACTIC RESIN EXPANDED BEADS AND MOLDED ARTICLE OF THE EXPANDED BEADS - An expanded bead of a polylactic acid resin, having an exterior surface, a surface region including the entire exterior surface and having a weight of one-sixth to one-fourth the weight of the expanded bead, and a center region located inside the surface region and having a weight of one-fifth to one-third the weight of the expanded bead, wherein the expanded bead, the surface region and the center region, after having been subjected to a pretreatment including a heat treatment at 110° C. for 120 minutes followed by cooling at a cooling speed of 2° C./min, have endothermic calorific values of (Br:endo), (Brs:endo) and (Brc:endo), respectively, when measured by heat flux differential scanning calorimetry at a heating speed of 2° C./min in accordance with JIS K7122(1987), and wherein (Br:endo) is greater than 25 J/g and (Brs:endo) is smaller than (Brc:endo) and is not smaller than 0 J/g. | 03-07-2013 |
20130078469 | METHODS FOR PRODUCING NANOPARTICLES AND USING SAME - A method for producing nanocomposite particles is provided. The method comprises supplying an organic phase fluid an organic phase fluid, an aqueous phase fluid, an amphiphile, and a plurality of hydrophobic nanospecies to a nozzle. An electric field is generated proximate the nozzle such that the fluid exiting the nozzle forms a cone jet that disperses into a plurality of droplets. The plurality of droplets are collected, and nanocomposite particles comprising a self-assembled structure encapsulating at least one hydrophobic nanospecies form by self-assembly. | 03-28-2013 |
20130084456 | STABLE FORMALDEHYDE-FREE MICROCAPSULES - Water-dispersible core-shell microcapsules that are essentially free of formaldehyde. Also, oligomeric compositions of, and microcapsules obtained from, particular reaction products between a polyamine component and a particular mixture of glyoxal and a C | 04-04-2013 |
20130089740 | SYNTHESIS AND USE OF IRON OLEATE - The present invention relates to a method of forming an iron oleate complex comprising the steps of: (a) dissolving an oleate in a low-order alcohol solvent at a temperature of about 35° C. to 65° C.; (b) adding a non-polar solvent to the solution of step (a); (c) adding an iron salt dissolved in a low-order alcohol to the solution of step (b); (d) agitating the solution of step (c) at a temperature of about 50° C. for at least 5 min; (e) cooling the reaction mixture of step (d) to a temperature of about 15° C. to 30° C.; (f) optionally filtering the reaction mixture of step (e); (g) separating the non-polar solvent phase from the low-order alcohol phase; (h) washing and drying the non-polar solvent phase; (i) removing volatiles from the non-polar solvent phase of step (h) by evaporation; and (j) mixing the product of step (i) with a polar solvent to yield a solid iron oleate complex. The present invention further relates to an iron oleate complex obtainable by the method of the invention, an iron oleate complex of formula I, the use of the iron oleate complex of the invention as precursor for the preparation of nanoparticles, and a method of forming iron oxide nanoparticles comprising the suspension of iron oxide/hydroxide and the iron oleate complex of the invention. | 04-11-2013 |
20130095323 | Method of producing inorganic layered double hydroxides, novel inorganic layered double hydroxides and uses of the same - Novel nanosized layered double hydroxide materials and a method of producing the same as well as uses of said material. The novel materials are uniform and have the general formula I | 04-18-2013 |
20130323509 | RESIN BLEND FOR MELTING PROCESS - The present invention relates to a resin mixture for melt processing, comprising a first resin; and a second resin comprising an acrylate-based copolymer including silica particles and having a polydispersity index (PDI) of 1 to 2.5, a method for preparing a resin-molded article using the same, and a resin-molded article. Surface characteristics of the molded article can be improved and excellent scratch resistance can be obtained by using the resin composition. In addition, processing time can be reduced, productivity is increased, and manufacturing costs are lowered by omitting the additional surface coating step. | 12-05-2013 |
20140017498 | HIGH DENSITY POLYMER PARTICLES AND DISPERSION OF SAME - A high density polymer particle includes a cross-linked organic polymer host matrix; and a high density metal provided within the interior of the cross-linked organic polymer host matrix. | 01-16-2014 |
20140113138 | METHOD OF ENCAPSULATION AND IMMOBILIZATION - A method for encapsulating a material comprises the steps of choosing a material to encapsulate; placing the material into a material solvent to form a material solution; forming a primary emulsion of the material solution in an immiscible liquid medium that is immiscible with the material solvent, the material solution serving as the disperse phase and the immiscible liquid medium serving as the continuous phase of the primary emulsion, wherein the immiscible liquid medium contains an encapsulating agent dissolved therein, the encapsulating agent being capable of being crosslinked, polymerized, gelled or otherwise hardened or solidified; adding the primary emulsion as droplets into a crosslinking medium, and thereafter activating the crosslinking, polymerizing, gelling, hardening or solidifying of the encapsulating agent to envelope the material in a crosslinked, polymerized, gelled or otherwise hardened or solidified matrix forming the droplets into beads. | 04-24-2014 |
20140134438 | STABILIZED LITHIUM COMPOSITE PARTICLES - Stabilized lithium particles include a lithium-containing core and a coating of a complex lithium salt that surrounds and encapsulates the core. The coating, which is a barrier to oxygen and water, enables the particles to be handled in the open air and incorporated directly into electrochemical devices. The coating material is compatible, for example, with electrolytic materials that are used in electrochemical cells. The average coated particle size is less than 500 microns. | 05-15-2014 |
20140154508 | POROGEN COMPOSITIONS, METHODS OF MAKING AND USES - The present specification discloses porogen compositions comprising a core material and shell material, methods of making such porogen compositions, methods of forming such porous materials using such porogen compositions, biocompatible implantable devices comprising such porous materials, and methods of making such biocompatible implantable devices. | 06-05-2014 |
20140186630 | Microcapsule Particles - The present invention teaches microcapsule particles comprising an oil soluble or dispersible core material; and a wall material at least partially surrounding the core material, the microcapsule wall material consisting of the reaction product of a first composition in the presence of a second composition; the first composition comprising a water phase: the water phase comprising a water soluble or dispersible initiator having at least one —COOH or amine functional group and a nonionic emulsifier, the emulsifier comprising a water soluble or dispersible material at a pH from 4 to 12, the water soluble or dispersible initiator is selected from initiators having a C—N═N—C type structure and of formulas I, II or III (set forth in the specification) having amine or carboxyl functionality. | 07-03-2014 |
20150017446 | CORE-FIRST NANOPARTICLE FORMATION PROCESS, NANOPARTICLE, AND COMPOSITION - A method is provided for synthesizing a core-shell nanoparticle that includes the following steps: providing a polymeric seed (in a solvent) that includes mono-vinyl monomer cross-liniked with a cross-linking agent to form the core of the nanoparticle, the core has an average diameter of from about nanometers to about 10,000 nanometers, and the core has polymer chains with living ends; adding a stabilizer to stabilize the seed and prevent the seed from precipitating out of solution; and grafting a shell species onto the living ends of the core to form the shell of the nanoparticle. A core-first synthesized nanoparticle, along with a rubber composition and tire product are also provided. | 01-15-2015 |
20150072147 | ORGANIC POLYMERIC PARTICLES, PAPER COATING COMPOSITIONS, AND METHODS - Embodiments of the present disclosure include organic polymeric particles, paper coating compositions, coated paper, and methods of forming coated paper with the paper coating compositions. The embodiments of the organic polymeric particle include an organic hydrophilic polymer with a unit for hydrogen bonding, and a hollow porous structure that comprises an organic polymer that at least partially surrounds the organic hydrophilic polymer, where the hollow porous structure has a pore surface area greater than 1 percent of a total theoretical exterior surface area of the hollow porous structure and the organic hydrophilic polymer and the hollow porous structure give the organic polymeric particle a void volume fraction of 40 percent to 85 percent. | 03-12-2015 |
20160038633 | ADDITIVE MANUFACTURING POWDER AND METHOD OF MANUFACTURING THE SAME - Additive manufacturing powder contains a core-shell type particle containing a core particle comprising a first binder resin and a filler and a shell present on the surface of the core particle. The shell contains a second binder resin. The powder has a particle size distribution Dv/Dn of 1.5 or less and an average circularity of from 0.800 to 0.980, the average circularity being represented by the following relation: | 02-11-2016 |