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Class 427/213.3 - Solid encapsulation process utilizing an emulsion or dispersion to form a solid-walled microcapsule (includes liposome)


Subclass of Class 427 - Coating processes
Definition: Subject matter wherein a medium in the form of an emulsion
No. of patents: 404
Last issue date: 09/20/2011


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NumberTitleIssue Date
8021716Polyelectrolyte-encapsulated pigments
The invention concerns a process for encapsulating pigment particles, which comprises (A) producing a dispersion of the pigment to be encapsulated, (B) then applying a polyelectrolyte layer to the surface of the pigment particles, ...
09/20/2011
7985445Water-in-oil capsule manufacture process and microcapsules produced by such process
A novel method of forming water in oil microcapsules is disclosed. According to the invention microcapsules are obtained by steps comprising dispersing an oil soluble amine modified polyfunctional polyvinyl monomer and an oil soluble bi- or polyfunctional vinyl mono...
07/26/2011
7981469Encapsulated chromonic particles
A method of making encapsulated chromonic nanoparticles includes exposing crosslinked chromonic nanoparticles to an acid selected from the group consisting of carbonic acid, phosphoric acid, lactic acid, citric acid, boric acid, sulfuric acid, and mixtures thereof i...
07/19/2011
7824732Encapsulated chromonic particles
A method of making encapsulated chromonic nanoparticles includes exposing crosslinked chromonic nanoparticles to an acid selected from the group consisting of carbonic acid, phosphoric acid, lactic acid, citric acid, boric acid, sulfuric acid, and mixtures thereof i...
11/02/2010
7803422Water-in-oil capsule manufacture process and microcapsules produced by such process
A novel method of forming water in oil microcapsules is disclosed. According to the invention microcapsules are obtained by steps comprising dispersing an oil soluble amine modified polyfunctional polyvinyl monomer and an oil soluble bi- or polyfunctional vinyl mono...
09/28/2010
7736695Oil-in-water capsule manufacture process and microcapsules produced by such process
A novel method of forming oil in water process is disclosed. According to the invention process are obtained by steps comprising dispersing an oil soluble amine modified polyfunctional polyvinyl monomer and an oil soluble bi- or polyfunctional vinyl monomer along wi...
06/15/2010
7678415Method of coating fine particles with lipid film
An object of the present invention is to provide a safe, convenient and efficient method for coating fine particles with lipid membrane. There is provided a method for coating fine particles with lipid membrane, characterized in that, the rate of a polar orga...
03/16/2010
7488513Process for producing microcapsule enclosing electrophoretic particle dispersion, microcapsule enclosing electrophoretic particle dispersion and reversible display medium containing the same
A method of producing microcapsules having an electrophoretic particle dispersion encapsulated comprises the steps of: emulsifying and dispersing a hydrophobic dispersion having electrophoretic particles dispersed in a hydrophobic medium by using a high-speed rotati...
02/10/2009
7368086Functionalized fluorescent nanocrystals, and methods for their preparation and use
Functionalized fluorescent nanocrystal compositions and methods for making and using these compositions are disclosed. The compositions are fluorescent nanocrystals coated with at least one material. The coating material has chemical compounds or ligands with functi...
05/06/2008
7357884Conductive ink composition
A conductive ink composition is obtained by dispersing, in an organic solvent, a solid material made from metal fine particles each coated with protective colloids each made of at least two organic compounds, the metal fine particles consisting of an alloy containin...
04/15/2008
7357949Encapsulated inorganic antimicrobial additive for controlled release
The invention relates to a microcapsule comprising an inorganic antimicrobial agent coated with a hydrophilic polymer. The hydrophilic polymer is able to absorb sufficient water as to enable the action of the encapsulated antimicrobial agent. These microcapsules are...
04/15/2008
7351474Pigment preparations
A pigment formulation in granule form obtainable by a) dispersing at least two different pigments (A) in a solution of a thermoplastic polymer (B) in an organic solvent in the presence or absence of a dispersant (C), and b) applying as a layer the dispersion produce...
04/01/2008
7344752Core-shell particles synthesized through controlled free radical polymerization
The present invention discloses a process for producing a core-shell polymer that comprises: (1) preparing a monomer solution which is comprised of (a) at least one monomer, optional one crosslinking monomer (b) a conjugate acid of a surfactant with a pKa of less th...
03/18/2008
RE40059Sensitive substance encapsulation
A process for stabilizing a sensitive substance; (a) plating a sensitive substance onto a solid carrier under a controlled atmosphere to reduce loss of the sensitive substance; (b) encapsulating the plated material under controlled atmosphere and airflow to reduce v...
02/12/2008
7323039Method for preparing microsphere
It is to provide an improved method for preparation of microsphere from an emulsion wherein an organic phase containing an organic solvent having a boiling point lower than that of water and a hardly-water-soluble polymer is emulsified in an aqueous phase by an in-w...
01/29/2008
7323540Process for preparing microrods using liquid-liquid dispersion
The invention provides a method for forming polymer microrods, the method including the steps of providing a polymer solution comprising a polymer dissolved in a first solvent; providing a dispersion medium comprising a second solvent, wherein the first solvent and ...
01/29/2008
7314636Biodegradable injectable implants containing glycolic acid
This invention is directed to the field of medical implants, and more specifically to biodegradable injectable implants and their methods of manufacture and use. The injectable implants disclosed herein comprise glycolic acid and bio-compatible/bio-absorbable polyme...
01/01/2008
7303818Electrophoretic particles, electrophoretic dispersion liquid, and electrophoretic display device
An electrophoretic display device includes an electrophoretic dispersion liquid in which electrophotographic particles are dispersed. Each of the electrophotographic particles has a surface salt structure consisting of an acid-derived anionic group and any one of ca...
12/04/2007
7300671Method and apparatus for preparing microparticles using in-line solvent extraction
Apparatus and method for preparing microparticles using in-line solvent extraction. An emulsion is formed by combining two phases in a static mixer. The emulsion is combined with an extraction liquid in a blending static mixer. The outflow of the blending static mix...
11/27/2007
7299552Methods for creating channels
Methods of creating an internal channel of a fluid-ejection device are provided. One method includes encapsulating a channel core in an element of the fluid-ejection device that corresponds to the internal channel and dissolving at least a portion of the channel cor...
11/27/2007
7289083Multi-sided display for portable computer
A display apparatus for providing multi-sided viewing functionality to a portable computer system. In one embodiment, the display apparatus is comprised of a front cover which is electrically and mechanically coupled to the portable computer. A first display compone...
10/30/2007
7288014Design, fabrication, testing, and conditioning of micro-components for use in a light-emitting panel
A method of forming micro-components is disclosed. The method includes pretesting and conditioning of the micro-components. The micro-components that fail testing or conditioning are discarded, and those remaining are assembled into a panel. ...
10/30/2007
7285306Process for self-repair of insulation material
A self-healing system for an insulation material initiates a self-repair process by rupturing a plurality of microcapsules disposed on the insulation material. When the plurality of microcapsules are ruptured reactants within the plurality of microcapsules react to ...
10/23/2007
7285502Methods for forming porous insulator structures on semiconductor devices
A method for forming a porous insulative structure on a semiconductor device structure includes forming a layer of unconsolidated electrically insulative, or dielectric, material with microcapsules dispersed therethrough on at least a portion of the surface of the s...
10/23/2007
7280791Polyaniline filled polyimide weldable intermediate transfer components
A weldable intermediate transfer belt having a substrate with a homogeneous composition of polyaniline in an amount of from about 2 to about 25 percent by weight of total solids, and a thermoplastic polyimide in an amount of from about 75 to about 98 percent by weig...
10/09/2007
7273624Stable dosage forms containing ubiquinones
The invention relates to stable solid dosage forms for peroral administration containing, in addition to an ubiquinone, at least one thermoplastically processible matrix-forming auxiliary agent. ...
09/25/2007
7271200Emulsions
A novel emulsion comprising a material which is stabilised by a polymer resin precursor having interface active molecules incorporated therein by reaction from poorly or non-surface active materials is disclosed. The process for producing such emulsions is likewise ...
09/18/2007
7264875Microcapsules and processes for producing the same
A microcapsule encapsulating a disperse system is produced by preparing a liquid organic dispersion containing a resin whose acid group has been neutralized, a colored particle, and an organic solvent; dispersing the liquid organic dispersion in an aqueous medium to...
09/04/2007
7261920Process for forming a patterned thin film structure on a substrate
A process for forming a patterned thin film structure on a substrate is disclosed. A pattern is printed with a material, such as a masking coating or an ink, on the substrate, the pattern being such that, in one embodiment, the desired thin film structures will be f...
08/28/2007
7259744Dielectrophoretic displays
A dielectrophoretic display comprises a substrate having walls defining at least one cavity, the cavity having a viewing surface and a side wall inclined to the viewing surface; a suspending fluid contained within the cavity; a plurality of at least one type of part...
08/21/2007
7259100Nanoparticles and method for making the same
A method for making nanoparticles, nanoparticle inks and device layers therefrom is disclosed. In accordance with the present invention, nanoparticles are isolated from a composite material that is formed by treating a metal oxide precursor to form the metal nanopar...
08/21/2007
7259101Nanoparticles and method for making the same
A method for making nanoparticles, nanoparticle inks and device layers therefrom is disclosed. In accordance with the present invention, nanoparticles are isolated from a composite material that is formed by treating a metal oxide precursor to form the metal nanopar...
08/21/2007
7255877Fenofibrate microparticles
Fenofibrate microparticles are prepared using a combination of surface modifiers with a phospholipid. Particle size growth and stability are controlled while significantly smaller sized fenofibrate particles are produced. ...
08/14/2007
7250933Electrophoretic display device
Color selection and grey values are obtained in electrophoretic displays causing pixels, which have a main reservoir (16) surrounded by auxiliary reservoirs (18) for the primary colors and an entrance electrode (13), to move particles to the mai...
07/31/2007
7247312Sustained-release drug formulations for implantation
The present invention relates to a formulation for implantation having a novel constitution, which accomplishes controlled releases of active ingredients. The formulation comprises one of combinations (a), (b) and (c), as well as a carrier comprising a hydrophobic p...
07/24/2007
7247790Spinning concentrator enhanced solar energy alternating current production
Due to an ever growing shortage of conventional energy sources, there is an increasingly intense interest in harnessing solar energy. This invention deals with method and apparatus for the direct conversion of solar energy to alternating current power by an active s...
07/24/2007
7244413Functionalized encapsulated fluorescent nanocrystals
Provided are a functionalized, encapsulated fluorescent nanocrystal comprising a liposome having encapsulated therein one or more fluorescent nanocrystals; use of the functionalized, encapsulated fluorescent nanocrystals in detection systems; and a method of produci...
07/17/2007
7235261Controlled release encapsulation
This invention relates to a controlled release encapsulated dry powder that is formed by an emulsion comprising: A) a fully hydrolyzed polymer, B) a hydrophobic silica, C) a modified corn starch, and D) at least one fragrance oil, which is emulsified in water and sp...
06/26/2007
7236290Electrophoretic medium with improved stability
An electrophoretic medium comprises a liquid and at least one particle disposed within the liquid and capable of moving therethrough on application of an electric field to the medium. The medium further comprises a free radical scavenger selected from the group cons...
06/26/2007
7236292Components and methods for use in electro-optic displays
A front plane laminate useful in the manufacture of electro-optic displays comprises, in order, a light-transmissive electrically-conductive layer, a layer of an electro-optic medium in electrical contact with the electrically-conductive layer, an adhesive layer and...
06/26/2007
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