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4166800 |
Processes for preparation of microspheres
Microspheres, prepared by the low-temperature e.g., -40° to -100° C., phase separation of a polymer and a core material.
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4152413 |
Oral vaccine for swine dysentery and method of use
An oral preparation for increasing the resistance of swine to swine dysentery infection comprises enteric-coated orally-administrable pellets containing concentrated killed cells of a virulent...
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4152415 |
Method of increasing the effectiveness of oral vaccination for swine dysentery
The resistance of field-raised swine to dysentery infection is increased by a sequence of parenteral and oral administrations. First there is parenterally administered to the swine an injectable...
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4150110 |
Coated granules of polyacrylic alkali metal salts and method of producing same
Granules of polyacrylic alkali metal salts are coated with a water-insoluble but water-permeable coating agent.
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4138475 |
Sustained release pharmaceutical composition
Sustained release pharmaceutical composition consisting of a hard gelatine capsule containing film coated spheroids, the spheroids comprising propranolol, or a pharmaceutically-acceptable salt...
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4127647 |
Process for preparation of stable amorphous macrolide antibiotic solids
Amorphous solids of macrolide antibiotics which are stable with the passage of time are prepared by dissolving a macrolide antibiotic and a cellulose polymer selected from the group consisting of...
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4123381 |
Process for producing cellulose microcapsules, and resulting cellulose microcapsules
A cellulose microcapsule having absorbing capacity, consisting of outer semipermeable barrier layer of cellulose and absorbent powders dispersed within inner cellulose gel matrix is prepared by...
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4118336 |
Novel cellulose microcapsules and preparation thereof
A novel cellulose microcapsule having adsorbing capacity, consisting of outer semipermeable barrier layer of cellulose and adsorbent powders dispersed within inner cellulose gel matrix, is prepared...
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4115315 |
Pearlescent capsules and process for their preparation
Minute capsules having a pearlescent effect are obtained by incorporating inorganic pearlescent particles in the capsule walls during the manufacture thereof. Pearlescent particles of mica coated...
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4105823 |
Microcapsules, method for their preparation, and sheet material carrying microcapsules
A method of encapsulating finely divided particulate material, such as minute droplets of a water-immiscible liquid, to produce microcapsules in which the particulate material is surrounded by...
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4083949 |
New oral form of medicament and a method for producing it
An oral form of medicament releases active substance in the gastrointestinal tract at a constant rate.
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4076892 |
Treatment of particulate carbon
Particulate porous absorptive material such as carbon is coated with a biocompatible polymer to give a thin (e.g. 1-10 micron) smooth permeable coating without plugging the pores. The resulting...
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4073833 |
Encapsulation process
An improved process for releasably enclosing a solution of a micelle-forming surfactant in a receptacle comprising a microporous cellulose membrane is provided.
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4036948 |
L-ascorbic acid tablets
L-ascorbic acid tablets which contain more than about 90 weight percent of L-ascorbic acid and have a satisfactory mechanical strength can be obtained by spray-coating L-ascorbic acid powder...
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4035146 |
Binding of antimicrobial compounds to a hydroxyl containing substrate with cyanuric chloride
Methods and compositions are disclosed for chemically bonding an antimicrobial compound to an hydroxyl bearing substrate such as cellulose, starches or leather. Cyanuric chloride (2, 4, 6...
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4016098 |
Process for hardening microcapsules
In a process for producing microcapsules which comprises microencapsulating hydrophobic oil droplets by complex coacervation using at least two hydrophilic colloids having opposite electric charges...
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4013820 |
Universally useable tableting ingredients
Known polymers of a defined class are converted into a universally useable tableting ingredient that provides controlled release of a drug from tablets made with this material. The new material is...
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4010038 |
Process for producing microcapsules
In a process for producing microcapsules of complex hydrophilic colloid material enclosing fine particles of a hydrophobic substance, the improvement characterized in that: An acid-treated...
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4002731 |
Diagnostic process using sodium tyropanoate
Divided doses or sustained release formulations of sodium tyropanoate upon oral administration provide adequate gallbladder visualization with substantially lower blood levels than are obtained...
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3968277 |
Process for coating solid particles with a digestive tract-soluble film
A coating process and apparatus for manufacturing of solid particles with digestive tracts-soluble film by rolling water-containing solid particles at high speed, adding a coating liquid and drying...
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3965033 |
Process for the production of oil-containing microcapsules
In a process for producing oil-containing microcapsules by coacervation comprising A. introducing a fine powder or hydrophobic liquid into a high molecular weight electrolytic wall-forming...
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3960757 |
Process for encapsulation of medicaments
Encapsulated medicaments are prepared by dissolving a wall material for capsules in at least one organic solvent poorly miscible with water which has a boiling point of less than 100°C., a vapor...
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3959457 |
Microparticulate material and method of making such material
In a finely dispersed emulsion of a water immiscible solution of an organic polyfunctional Lewis base and an aqueous solution of a partially hydrophilic, partially lipophilic polyfunctional Lewis...
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3956172 |
Process for hardening microcapsules containing hydrophobic oil droplets
In a process for hardening microcapsules produced by microencapsulating hydrophobic oil droplets using a complex coacervation process with gelatin as one of the hydrophilic colloids: including the...
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3951851 |
Process of producing aspirin-containing capsules
Process of producing aspirin-containing capsules which comprises (1) dispersing aspirin particles in a solution of a cellulose derivative in an organic solvent partially miscible with water; (2)...
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3943063 |
Preparation of microcapsules
Microcapsules are made by (a.) dispersing or dissolving a core substance in a film-forming polymer solution, (b.) emulsifying in fine droplets the resulting dispersion or solution in a vehicle...
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3909444 |
Microcapsule
An enterically active, controlled release microcapsule is disclosed which includes: (a) an internal phase or capsule core of a continuous matrix of water-soluble polymeric material having...
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3907983 |
Pharmaceutical preparations
Powders, the individual particles thereof coated with from about 0.5% to 10% by weight of a material which makes the powder nydrophilic, and which are free flowing as well as amenable to tabletting...
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3891570 |
Process for preparing microcapsules
Microcapsules are made by dissolving or dispersing a core substance in a solution of a wall material dissolved in a solvent having a dielectric constant of about 10 or less and poorly miscible with...
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3886084 |
MICROENCAPSULATION SYSTEM
Microcapsules are formed in the absence of coacervation by providing an oil-in-water emulsion containing a polymeric, emulsifying agent having cross-linkable groups or complexing sites and admixing...
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3880990 |
Oral ruminant compositions comprising a medicinal substance encapsulated or embedded in a basic polymer
Orally administrable ruminant compositions are produced wherein at least one veterinary medicinal substance is encapsulated or embedded in a normally solid, physiologically acceptable, basic...
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3779783 |
MELTABLE COATING COMPOSITIONS, PARTICULARLY FOR FOODSTUFFS AND PHARMACEUTICAL PREPARATIONS
A coating composition especially suitable for foodstuffs and pharmaceutical preparations which comprises an acylated glyceride having an iodine value below 12 admixed in certain proportions with a...
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3714065 |
PROCESS FOR PREPARING A MICRO CAPSULE
A process for preparing microcapsules which comprises; dissolving a film-forming polymer in an organic solvent to form a solution, said solvent having a dielectric constant between 10 and 40 and a...
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3697640 |
RUMEN STABLE MEDICAMENT AND/OR NUTRIENT COMPOSITIONS
Materials such as medicaments and nutrients that decompose when they are fed orally to ruminants because of their instability in the in vivo rumen environment can be protected from the ruminant...
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3691090 |
ENCAPSULATION METHOD
A process for the preparation of capsules containing a core material, comprising dispersing the core material in a solution of an organic solvent and an encapsulating material, dispersing the...
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3676363 |
PRODUCTION OF WEIGHTED MICROCAPSULAR MATERIALS
A process for production of weighted liquid center microcapsules by coacervation of a macro-colloid from an emulsion having minute droplets of a substantially water-immiscible organic solvent...
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3549555 |
ENCAPSULATION OF LIPOPHILIC LIQUID-IN-HYDROPHILIC LIQUID EMULSIONS
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3539465 |
ENCAPSULATION OF HYDROPHILIC LIQUID-IN-OIL EMULSIONS
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3523907 |
METHOD FOR ENCAPSULATING WATER AND COMPOUNDS IN AQUEOUS PHASE BY EXTRACTION
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3523906 |
PROCESS FOR ENCAPSULATING WATER AND COMPOUNDS IN AQUEOUS PHASE BY EVAPORATION
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3504082 |
MEDICAMENT ENTERIC-COATED WITH ACETONE-SOLUBLE METHYL CELLULOSE DICARBOXYLATES
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3477864 |
PROCESS FOR COATING PHARMACEUTICAL PREPARATIONS WITH A HYDROXY PROPYL METHYL CELLULOSE-SEALING AGENT MOISTURE-PREVENTING FILM
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3432489 |
DISACCHARIDE POLYSULFATE ALUMINIUM COMPOUND AND METHOD
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3415758 |
Process of forming minute capsules en masse
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3297527 |
Propargylamine as an anti-depressant
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3185625 |
Injectionable substances
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3164602 |
Novel benzisothiazoline dioxides
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3155590 |
Encapsulation process and its product
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3144388 |
Analgetic compositions containing tetrahydropyridines
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3132075 |
Solid medicinal dosage forms coated with hydroxyethylcellulose and hydrolyzed styrene-maleic anhydride copolymer
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