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4919938 Sustained release pharmaceutical compositions in oral dosage form  
Oral dosage forms for neutral, zwitterions or slats of acidic or basic drugs with approximate zero order release kinetics comprise a core matrix of the drug, and a gelling polymer, the matrix being...
4917899 Controlled absorption diltiazem formulation  
A diltiazem pellet formulation for oral administration comprises a core of diltiazem or a pharmaceutically acceptable salt thereof in association with an organic acid and a lubricant, and a...
4917900 Controlled release formulations containing zidovudine  
The invention relates to pharmaceutical formulations comprising discrete units of zidovudine provided with a controlled release coating in which the said units are preferably in the form of spheroids.
4906474 Bioerodible polyanhydrides for controlled drug delivery  
A composition of matter suitable for implantation in the body to effect zero order drug release comprising a drug and a polymer of the formula: ##STR1## wherein R and R' can be the same or...
4904479 Drug delivery system  
Particles of a drug are directed away from the reticuloendothelial system by the use of surface coating and surface grafting techniques which substantially prevent the take up of the composite...
4904477 Spray dried ibuprofen compositions  
A spray dried ibuprofen composition suitable for direct compression into tablets comprising a spray dried dispersion in water of ibuprofen, pregalatinized starch, a disintegrant and a wetting agent...
4902516 Binder-free granules with delayed release of the active compound  
Binder-free granules for oral and parenteral administration with delayed release of the active compound, consisting of a pharmaceutical active compound or granules thereof and a coating of 1 to 20%...
4900558 Sustained release ibuprofen formulation including a core of ibuprofen and a microcrystalline cellulose and a covering of acrylic polymer and hydroxylated cellulose derivative  
The present invention provides a sustained release αmethyl-4-(2-methylpropyl)benzene acetic acid (Ibuprofen) formulation comprising sufficient granules to provide a predetermined dose or number of...
4898737 Controlled absorption pharmaceutical composition  
A sustained absorption propranolol-containing pellet for oral administration comprises a core of propranolol or a pharmaceutically acceptable salt thereof and an organic acid embedded in a...
4894239 Sustained-release preparation and production thereof  
The present invention concerns a sustained-release microcapsule preparation comprising an ion exchange resin with 6 to 16% crosslinking, containing a drug adsorbed in an amount not less than 80% of...
4892740 Orally administrable pharmaceutical preparation of improved flavoring characteristics  
An orally administrable pharmaceutical preparation of improved flavoring characteristics composed of a core material containing a drug and a coated layer applied to its surface, said coated layer...
4891230 Diltiazem formulation  
A diltiazem pellet formulation for oral administration comprises a core of diltiazem or a pharmaceutically acceptable salt thereof in association with an organic acid, and a multi-layer membrane...
4888177 Pharamaceutical preparations in the form of instant granules or tablets and process for their manufacture  
The invention relates to a pharmaceutical preparation that contains at least one pharmaceutically active substance at least one granular carrier material and a layer enveloping the carrier material...
4886669 Galenical formulation  
A water-dispersible tablet essentially consisting of (a) microparticles which contain at least one pharmaceutically active substance (b) a least one disintegrant and (c) a swellable...
4882166 Compositions comprising encapsulated particles and their preparation  
A composition which comprises at least one solid or liquid particle comprising at least one active substance, the or a plurality of such particles being encapsulated by the in situ cationic...
4882169 Swellable pellets  
Pellets which can be used in liquid oral formulations of drugs are presented. They comprise (a) a core, containing microparticles of at least one pharmaceutically active substance, (b) optionally...
4876290 Microencapsulation by interfacial polyaddition  
Microcapsules, and especially suspensions of microencapsulated colorants well adapted for the manufacture of carbonless papers, are produced by emulsifying a hydrophobic organic fluid which...
4876039 Process for preparing silicone microparticles cured by a Michael addition reaction  
Microparticles, such as microspheres and microcapsules, comprising a solid organopolysiloxane are prepared by curing a dispersion of discrete entities by means of a Michael-type addition reaction....
4876086 Injectable compositions of amoxycillin trihydrate  
Injectable pharmaceutical compositions are provided which comprise fine particles of amoxycillin trihydrate coated with a dispersing agent, the ratio of amoxycillin trihydrate to dispersing agent...
4874613 Taste concealing pharmaceutical dosage unit  
A pharmaceutical dosage unit suitable for masking the unpleasant taste of orally administered pharmaceutical agents and which facilitates swallowing comprises a plurality of subdosage units...
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...
4871549 Time-controlled explosion systems and processes for preparing the same  
The invention relates to a Time-Controlled Explosion System in which drug release is caused by explosion of a membrane after a definite time period, said System comprising a preparation in the form...
4867984 Drug in bead form and process for preparing same  
A bead of a drug such as aspirin or acetaminophen formed from a small spheriodal seed particle of the drug or of an inert material coated with an adhesive and layers of drug particles likewise...
4865851 Pharmaceutical composition comprising cefuroxime axetil  
Cefuroxime axetil in particulate form is coated with an integral coating of a lipid or mixture of lipids which serves to mask the bitter taste of cefuroxime axetil but disperses or dissolves on...
4863743 Controlled release potassium chloride  
A controlled release potassium chloride tablet is disclosed which is comprised of potassium chloride crystals having a mesh size of about 30 to about 50 mesh which are coated with a coating...
4861627 Preparation of multiwall polymeric microcapsules  
A single step method for preparation of multi-layer polymeric delivery systems. Any two or three different degradable or non-degradable polymers which are not soluble in each other at a particular...
4861599 Galenic formulations for oral use of rhein derivatives with delayed release for therapeutical use  
Several methods are disclosed for the preparation of oral pharmaceutical forms with delayed release of rhein and its derivatives. The pharmaceutically active ingredient is provided in the form of...
4859469 Novel galenic forms of verapamil, their preparation and medicines containing said novel galenic forms  
The invention relates to a novel galenic form of verapamil which show an excellent bioavailability. The novel galenic form comprises microgranules containing a verapamil addition salt with an acid,...
4857406 Microcapsules with polysalt capsule walls and their formation  
The present invention provides a process for forming microcapsules having discrete capsule walls. An emulsion of an oily core material in a continuous aqueous phase containing a polymeric anionic...
4851228 Multiparticulate controlled porosity osmotic  
The instant invention is directed to a multiparticulate osmotic pump, for the controlled release of a pharmaceutically active agent to an environment of use, said pump comprising: (I) a carrier...
4847077 Controlled release pharmaceutical preparations  
Controlled release pharmaceutical preparations containing coated sulfonic acid cationic exchange resin drug complex particles, the resin particles having been treated, prior to coating, with about...
4844910 Spheroids  
A controlled release pharmaceutical composition comprising a plurality of film coated spheroids, the film coated spheroids comprising a 3-alkylxanthine, a non-water soluble spheronising agent and...
4844905 Granule remaining in stomach  
A granule of drug to remain in the stomach comprises a core comprising a pharmaceutically effective ingredient, a foaming layer coated on said core and an expansive film coated on said layer.
4844908 Method of preparing tablets with clovoxamine fumarate and tablets thus prepared  
Clovoxamine, i.e., 4'-chloro-5-methoxyvalerophenone-O-(2-aminoethyl)oxime is a known compound having antidepressive activity. The fumarate (1:1) of clovoxamine may be administered orally in the...
4840799 Process for preparing rapidly disintegrating granulates  
The present invention relates to a process for preparing a rapidly disintegrating core granulate containing a pharmaceutically active compound, which granulate is optionally intended to be coated...
4839177 System for the controlled-rate release of active substances  
A system for the controlled-rate release of active substances, consisting of: (a) a deposit-core comprising the active substance and having defined geometric form; (b) a support-platform...
4837031 Compositions containing ibuprofen  
A granular composition containing 2-(4-isobutylphenyl)propionic acid (ibuprofen) as an active anti-inflammatory pharmaceutical ingredient as a major component, together with carboxymethylcellulose,...
4837255 Palatable hypocholesterolaemic gel formulation containing a pharmaceutically acceptable non-digestible anion exchange resin  
A gel formation for oral administration having improved palatability comprising an effective hypocholesterolaemic amount of a uniform gelled dispersion of (a) between about 8 and about 20...
4837032 Theophylline sustained release tablet  
Compressed tablets from which theophylline is released at a steady rate with twelve hour dosing intervals are disclosed. The tablets contain 43 to 50 weight percent theophylline; 10 to 20 weight...
4837030 Novel controlled release formulations of tetracycline compounds  
Pharmaceutical compositions comprising spherical granules including thereon or therein a 7- or 9-akylamino-6-deoxy-6-demethyltetracycline or an acid-addition salt thereof blended with at least one...
4834982 Potassium-neutral salureticum with anti-hypertensive effect  
A diuretically active combination comprising furosemide and triamterene in a ratio of 1:1 to 1:2, in which furosemide is in the form of controlled release so as to facilitate solubilization of the...
4826945 Biodegradable polymeric materials based on polyether glycols, processes for the preparation thereof and surgical articles made therefrom  
The invention provides poly(α-hydroxy-carboxylic acid)/poly(oxyalkylene) polymers selected from multiblock polymers of the following repeating unit I ##STR1## wherein R is an alkylene group, R 1 ...
4818542 Porous microspheres for drug delivery and methods for making same  
Controlled release drug delivery systems comprised of spherical microporous polymeric network of interconnecting channels containing pore incorporated drugs or other agents wherein the drugs or...
4816264 Sustained release formulations  
Drug delivery systems which exhibit sustained release properties when administered are produced using a "dual control" system which employs polymeric agents in core and membrane portions.
4808411 Antibiotic-polymer compositions  
Compositions which comprise a complex of carbomer (acrylic acid polymers) and erythromycin or a derivative thereof such as 6-O-methylerythromycin, are disclosed. The compositions provide nontoxic,...
4808416 Preparation of a slow-release drug  
The invention concerns the preparation of a slow-release drug characterized by the coating of a core comprising a therapeutically active principle by means of a substance which retards its release...
4800084 Pharmaceutical product in the form of a pellet with continuous, delayed medicament substance emission  
The discovery presented herewith concerns a pharmaceutical product in the form of a pellet with improved continous, delayed medicament substance emission through a coating, which is made of a...
4795745 Macrophage-activating composition and a process for its manufacture  
Macrophage-stimulatory composition containing a water-soluble β-1.3-bound glucan and a water-insoluble carrier to which the glucan has been immobilized; its use; and a process for its manufacture.
4792450 Device for controlled release drug delivery  
A device for the controlled release and delivery of a pharmacologically active agent, comprising a vinyl gel layer and a pharmacologically active agent uniformly dispersed in the layer in a...
4789516 Production of sustained released system  
Permeable capsules are loaded with a reservoir of the substance to be dispensed at a concentration sufficient to provide an osmotic pressure above threshold level, and the pore size of the capsule...