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4656092 |
Target shooting capsules
A target shooting capsule comprising a substantially spherical, nontoxic, soft elastic gelatin capsule having a dry wall thickness of about 0.004 inches to about 0.013 inches, having a diameter of...
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4652441 |
Prolonged release microcapsule and its production
A microcapsule produced by preparing a water-in-oil emulsion comprising an inner aqueous layer containing said water-soluble drug and a drug retaining substance therefor and an oil layer containing...
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4650769 |
Microcapsules for immune response
Microcapsules for effecting an immune response, especially through agglutination reaction, comprise an antigen or antibody bound to functional groups, such as amino groups, carboxy groups, etc., on...
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4643528 |
Encapsulated liquid crystal and filler material
A liquid crystal apparatus includes a plurality of volumes of liquid crystal material in a containment medium. At least some of the volumes also have a filler or spacer material therein. Some...
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4637905 |
Process of preparing microcapsules of lactides or lactide copolymers with glycolides and/or ε-caprolactones
A process for preparing polylactide (PLA) microcapsules is described and involves dissolving PLA in a mixture of two miscible organic liquids, the higher vapor pressure liquid having solvent power...
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4622282 |
Photographic method for forming images on plain paper
Images are formed on plain paper using imaging sheets having a coating containing a chromogenic material and a photosensitive composition with at least the photosensitive composition encapsulated...
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4621023 |
Method of homogenizing dispersions of hydrated lipidic lamellar phases and suspensions obtained by the said method
The invention concerns a method of homogenizing dispersions of hydrated lipidic lamellar phases and suspensions obtained thereby which can be applied particularly to the making of products intended...
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4619795 |
Method for preparing lipid vesicles
A method for forming vesicles is described, wherein a lipid coating is formed onto a deformable surface. During hydration, the lipid coating is fragmented by deformation of the surface. The...
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4619794 |
Spontaneous preparation of small unilamellar liposomes
The present invention relates to a novel advantageous process for the preparation of unilamellar liposomes in aqueous phase by converting a suitable lipid component, e.g. phosphatidic acid, into...
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4619904 |
Agglutinating immunoassay using protein-coated liquid droplets
Small liquid droplets, coated with protein, the protein coating containing molecules of protein that will interact specifically with a select protein, are contacted with a liquid sample to...
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4610868 |
Lipid matrix carriers for use in drug delivery systems
Lipid matrix carriers are described which provide for the sustained release of bioactive agents in vivo or in vitro. The properties of the lipid matrix carriers of the present invention include...
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4608330 |
Method for producing microcapsules and photosensitive microcapsules produced thereby
A method for forming microcapsules by enwrapping an oily core material in a formaldehyde condensation product formed in situ wherein methylated polygalacturonic acid is used as an emulsion...
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4608211 |
Process for preparing lipid vesicles by vaporisation of solvents
A process for preparing large unilamellar lipid vesicles is disclosed which process comprises preparing unilamellar lipid vesicles having an average diameter of at least 1,000 Å, each of these...
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4605630 |
Large-liposome agglutination reagent and method
An agglutination assay reagent and method. The reagent is composed of liposomes predominantly in the 1 to 20 micron diameter size range. Each liposome has a surface array of laterally mobile ligand...
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4603044 |
Hepatocyte Directed Vesicle delivery system
A targeted drug delivery system which has specificity for hepatobiliary receptors, which are the specialized metabolic cells of the liver. Hereinafter, this will be referred to as a Hepatocyte...
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4600678 |
Imaging systems employing photosensitive microcapsules containing 4-(4'-aminophenyl)-pyridine compounds
Imaging systems employing photosensitive microcapsules having improved film speed are disclosed wherein the microcapsules contain a 4-(4'-aminophenyl)-pyridine compound in the internal phase as a...
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4599271 |
Microencapsulation of polyisocyanates by interchange of multiple
A method of microencapsulation is disclosed whereby two or more organic-in-aqueous emulsions, each containing a reactive component in the organic phase, are mixed together causing the reactive...
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RE32162 |
Pressure sensitive record material employing diaryl alkane solvents
A solvent for the pressure sensitive record material which consists of a normally liquid compound having 13 to 18 Carbon atoms and being represented by the following general formula: ##STR1## in...
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4590170 |
Process for preparing microcapsule reagents for immunological response
A process for producing a microcapsule diagnostic material utilizing passive agglutination which comprises binding an antigen or antibody onto a microcapsule wall negatively charged, in an acidic...
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4590063 |
Anticonvulsants
Compounds of the formula ##STR1## where R is a methyl, ethyl or propyl group and n is 1 or 2 and their nontoxic salts are useful as anticonvulsants.
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4588578 |
Lipid vesicles prepared in a monophase
A process for the preparation in a monophasic solvent system of a new type of lipid vesicles, called monophasic lipid vesicles (MPVs). MPVs can be made to encapsulate one or more bioactive agents....
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4579779 |
Method of encapsulating volatile organic liquids
A method of encapsulating organic liquids for controlled volatilization and release is described, which comprises in one embodiment charging a fine silica into a mixing container which does not...
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4578339 |
Photosensitive imaging system employing oil-containing microcapsules
A photosensitive transfer imaging system comprising an imaging sheet and a developer sheet; the imaging sheet incudes a photographic support, a layer of photosensitive microcapsules on one surface...
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4576891 |
Photosensitive microcapsules useful in polychromatic imaging having radiation absorber
Photosensitive microcapsules having radiation absorbers associated therewith such that the sensitivity of the microcapsules is reduced over a portion of their spectral sensitivity range; the...
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4565764 |
Microcapsule toner and process of making same
A microcapsule toner having a colored core material coated successively with a first resin wall and a second resin wall can be provided with both excellent pressure fixing characteristic and...
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4561981 |
Treatment of fouling with microcapsules
A method for controlling, preventing, or removing fouling deposits comprising microencapsulating fouling control chemicals in a slow release capsule. The microcapsules are applied to the substrate...
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4542042 |
Process for preparing free-flowing ethylcellulose microcapsules
A process for preparing free-flowing microcapsules by taking advantage of the phase-separation of ethylcellulose in cyclohexane is disclosed. In this process, a hydrocarbon compound which is...
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4532089 |
Method of preparing giant size liposomes
Large size liposomes are produced from small unilamellar vesicles by incorporating a polar compound in an aqueous dispersion of the vesicles, subjecting the dispersion to repeated freeze-thaw...
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4532123 |
Dual Microcapsules and process for their preparation
Dual Microcapsules are disclosed. The outer membrane encapsulates a liquid having one or more smaller microcapsules (Mini-Microcapsules) suspended therein. The Mini-Microcapsules contain a...
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4528226 |
Stretchable microfragrance delivery article
An article comprises sheet material which may be printed and having an adherent coating of microscopic, rupturable capsules in a binder on at least one surface thereof, the article being capable of...
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4522803 |
Stable plurilamellar vesicles, their preparation and use
A new and substantially improved type of lipid vesicle, called stable plurilamellar vesicles (SPLVs), are described, as well as the process for making the same. SPLVs are stable during storage and...
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4515736 |
Method for encapsulating materials into liposomes
A novel encapsulation method is provided in which liposome dispersions are dried in the presence of a material to be encapsulated. As drying occurs, the individual liposomes fuse to form...
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4508703 |
Production of pulverulent mixtures of lipidic and hydrophobic constituents
The invention relates to a method for preparing a pulverulent mixture of amphiphilic lipidic constituents and possibly of hydrophobic constituents, as well as to a method for producing hydrated...
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4501728 |
Masking of liposomes from RES recognition
A biochemical membrane covered with sialic residues thereby provides a coating that masks the surface membrane from recognition and removal by the scavenging RES cells of the body.
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4495509 |
Microencapsulation by interchange of multiple emulsions
A method of microencapsulation is disclosed whereby two or more organic-in-aqueous emulsions, each containing a reactive component in the organic phase, are mixed together causing the reactive...
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4485045 |
Synthetic phosphatidyl cholines useful in forming liposomes
Lower-ω-alkenoyloxy-long chain alkanoic anhydrides are synthesized from the ω-hydroxyalkanoic acids and are condensed with glycerophosphatidyl cholines to prepare alkenoyloxyalkanoic esters of...
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4485054 |
Method of encapsulating biologically active materials in multilamellar lipid vesicles (MLV)
This invention provides an improved procedure for producing large multilamellar lipid vesicles (MLV), which may be used to encapsulate a biologically active material, particularly lipophilic...
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4482606 |
Isodiametrical microcapsules with regularized diameters and process for producing same
A microencapsulation of varied substances such as aromatic agents, colorings, inks, chemical reactives, pharmaceutical and phytosanitary products, fireproof products, glues, finely dispersed in an...
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4481157 |
Method and apparatus for production of microcapsules
Apparatus for continuously producing microcapsules which comprises at least one inner pipe for extruding a material to be encapsulated, at least one outer pipe for extruding an encapsulating...
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4480002 |
Dyestuff-containing microscopic capsule suspension for record materials
Dyestuff-containing microscopic capsule suspension for record materials, containing in microscopic capsules a lactone family dyestuff represented by the general formula (I): ##STR1## wherein a, b,...
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4469621 |
Molecular aggregate having an ordered structure
A stable molecular aggregate having an ordered structure comprising a surfactant containing a hydrophilic moiety and hydrophobic moiety and having in the hydrophobic moiety or between the...
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4452747 |
Method of and arrangement for producing lipid vesicles
In accordance with a method of and an arrangement for producing lipid vesicles from biological membranes or lipid suspensions, a lipid suspension or lipid particles in a dispersion fluid are...
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4447411 |
Controlling undesired growth of mollusks
Microencapsulated biocides and adductor muscle relaxants for control of undesirable mollusks by feeding same to said mollusks.
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4442051 |
Encapsulation of indomethacin
Indomethacin is encapsulated by aqueous gelatin/polysaccharide coacervation by first forming a dispersion or paste of Indomethacin in a water-miscible liquid polyhydroxyalkane. Preferably the...
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4439510 |
Method for the production of dry toner for electrostatography using interfacial polycondensation techniques
Disclosed is a method of preparing electroscopic marking particles comprising encapsulating an ink using an aqueous phase emulsion solution including an albumin stabilizer which becomes hydrophobic...
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4439488 |
Encapsulation by entrapment within polyhydroxy polymer borates
Chemical biological agents to be encapsulated are dissolved or dispersed in an aqueous paste of a gel-forming polyhydroxy polymer. Subsequent addition of boric acid or a boric acid derivative at an...
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4429008 |
Thiol reactive liposomes
Liposomes are provided which have a plurality of thiol reactive groups extending outward of the liposomal bilayer. The liposomes form stable covalent bonds with ligands having thiol groups, such as...
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4417916 |
Encapsulation by interfacial polycondensation
This invention relates to a process for encapsulation, and particularly to the production of small or minute capsules constituted by a skin or thin wall of polyurea, which involves bringing...
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4404828 |
Method of drawing a metal wire and lubricant composition therefor
A lubricant composition for drawing metal wire comprises a lubricant which may be particulate, liquid or semi-liquid and discrete microcapsules having a liquid core, which enhances the wire drawing...
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4398954 |
Microcapsular coating composition containing a hydrophobic silica
A novel coating composition is disclosed comprising oil-containing microcapsules dispersed in an aqueous continuous phase, which phase also contains finely divided silica particles and a binder for...
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