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4777033 |
Oral sustained release pharmaceutical preparation
This invention is concerned with an oral sustained release pharmaceutical preparation which is prepared as a pharmaceutical preparation comprising lower alkyl ether of cellulose, polyacrylic acid...
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4764378 |
Buccal drug dosage form
Buccal dosage forms for transmucosal administration of drugs comprise a pharmaceutical compound dispersed in an erodible matrix comprising from about 20 to about 75 percent by weight of a low...
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4764380 |
Drug delivery system comprising a volume increasing matrix containing a plurality of tiny pills
A delivery device is disclosed for delivering a beneficial drug to a biological environment of use. The device comprises a hydrogel reservoir containing tiny pills. The tiny pills comprise a wall...
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4747845 |
Synthetic resin matrix system for the extended delivery of drugs
A synthetic resin matrix system for the delayed and extended duration delivery of drugs to humans and animals is disclosed consisting of a polymer, such as poly(2-hydroxyethylmethacrylate),...
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4741872 |
Preparation of biodegradable microspheres useful as carriers for macromolecules
A method for preparing biodegradable microspheres having a three-dimensional network in which biologically active macromolecular agents are physically entrapped therein. The microsphere is able to...
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4737357 |
Aqueous coating dispersions
Aqueous dispersions of a water-swellable but water-insoluble polymer formed between a quaternary ammonium monomer and a nonionic monomer; methods for making such dispersions by dispersing said...
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4729904 |
Inert cross-linked copolymer support, its preparation process and its use for producing delayed action medicaments
Inert cross-linked copolymer able to absorb and then progressively release a pharmaceutically active substance, wherein it is constituted by a powder of a cross-linked copolymer comprising 30 to...
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4725657 |
Synthetic resin product containing compound included in cyclodextrin and process for the production of the same
A synthetic resin product which contains various substances such as perfumes, insectifuges/insecticides, rust preventives, mold/mildes-proofing or anti-fungi agents which are inactivated by forming...
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4723957 |
System for delivering drug with enhanced bioacceptability
A composition of matter comprising a drug, a neutral hydrogel and an ionic hydrogel. The composition can be administered from a delivery system to a biological receptor over time.
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4713237 |
Sustained release dosage form
Sustained release dosage forms are made of saponified starch-acrylonitrile graft copolymers and an active ingredient.
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4708869 |
Persistent incapacitating chemical warfare composition and its use
A method and composition for causing casualties among mammals by contacting composition comprising casuality producing chemical agents, thickener and open multicellular polymer and said composition...
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4692336 |
Self controlled release device for administering beneficial agent to recipient
A dispensing device is disclosed for delivering a beneficial agent. The device comprises (1) a housing defining an internal space, (2) a heat responsive composition containing a beneficial agent in...
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4681755 |
Delivery device for zero-order release of an active principle into a dissolution fluid and process for its preparation
A delivery device for zero-order release of an active principle into a dissolution fluid includes a reservoir consisting of a solid matrix of a homogeneous mixture of a polymer material, at least a...
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4673527 |
Tablet granulation
An improved granulation and tablet product for water treatment. One or more water treating agents are dispersed and entrapped in a water soluble polymeric material which is more water soluble than...
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4605550 |
Delayed release formulations and processes for making them
There is disclosed a granular composition having particles of average particle size as determined by sieving in the range 70 to 500 microns, the said particles comprising up to 55% of active...
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4557929 |
Slow release pesticide formulations
This invention relates to a process for preparing a one-phase, solid, controlled release pesticidal composition, said process comprising simultaneously mixing and heating a mixture of a copolymer...
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4489055 |
Process for preparing biodegradable submicroscopic particles containing a biologically active substance and their use
Biodegradable particles, with a diameter smaller than 500 nanometers, formed by the micellar polymerization of an alkyl-cyano-acrylate where the term "alkyl" means a lower alkyl radical having 1 to...
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4411754 |
Process for preparing a polymer composition
A polymer composition containing a physiologically active substance which can be released at a controlled rate is prepared by contacting one or more polymerizable monomers with the physiologically...
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4390520 |
Antiphlogistic analgesic adhesive
An antiphlogistic analgesic adhesive which comprises a flexible substrate and an indomethacin containing pressure-sensitive adhesive layer closely contacting said flexible substrate, wherein...
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4359483 |
Process for producing a multi-layered slow release composite
A process is herein disclosed for producing a multi-layered slow release composite comprising: a first step wherein one or more physiologically active substances is mixed with one member selected...
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4357312 |
Method of making prolonged release body
In a method of making a biologically compatible, water-insoluble polymeric body for the controlled, prolonged release of a biologically active substance to a surrounding aqueous environment, the...
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4329332 |
Biodegradable submicroscopic particles containing a biologically active substance and compositions containing them
Biodegradable particles, with a diameter smaller than 500 nanometers, formed by the micellar polymerization of an alkyl-cyano-acrylate where the term "alkyl" means a lower alkyl radical having 1 to...
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4307717 |
Sterile improved bandage containing a medicament
A flexible, liquid absorbent, adhesive bandage includes a backing element and a substrate attached to the backing element. The substrate comprises a homogeneous, hydrophilic, stable matrix...
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4306551 |
Sterile improved bandage and sealant
A flexible, liquid absorbent, adhesive bandage includes a backing element and a substrate attached to the backing element. The substrate comprises a homogeneous, hydrophilic, stable matrix...
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4291015 |
Polymeric diffusion matrix containing a vasodilator
A polymeric diffusion matrix containing a vasodilator is provided comprising from about 2 to about 60% of a polar plasticizer, e.g., glycerol, from about 2 to about 15% of a matrix component, e.g.,...
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4283382 |
Fluorescent labels comprising rare earth chelates
There are described stabilized fluorescent labels comprising rare earth chelate incorporated in polymeric beads derived from a latex. Labeled reactive proteinaceous species such as labeled...
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4283325 |
Hydrophobic substrate which is able to release a chemical substance
Hydrophobic substrate which can release at least one chemical substance, wherein it comprises a hydrophobic polymer matrix in which are homogeneously distributed inclusions of polymerized compounds...
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4283387 |
Adherent controlled release pesticide
There are disclosed methods and compositions for the controlled release of pesticides by using a mixture comprising: (a) a carbinol-containing organic polymer; crosslinking agents for said polymer...
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4259313 |
Fluorescent labels
There are described stabilized fluorescent labels comprising rare earth chelate incorporated in polymeric beads derived from a latex. Labeled reactive proteinaceous species such as labeled...
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4228152 |
Polymers containing prostaglandin radicals, process for their preparation and use thereof
There are disclosed non-toxic polymers having a molecular weight between 1,000 and 1,500,000 and containing prostaglandin radicals directly connected or connected through an oxyalkylenic,...
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4223006 |
Coated particles
Pharmaceutically acceptable particles comprising an anhydrous hygroscopic salt of clavulanic acid dispersed in a polymeric binder of low water vapour permeability may be used in the preparation of...
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4202775 |
Adsorbent for adsorbing organic compounds adsorbed on proteins
An adsorbent comprising a porous copolymer produced by copolymerizing a cross-linkable monomer and a mono-ethylenically unsaturated monomer, said copolymer having pores of an average pore diameter...
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4178361 |
Sustained release pharmaceutical composition
A sustained release pharmaceutical composition which includes a pharmacological material; a biological binding agent for the pharmacological material; and a matrix of a water-insoluble but...
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4070494 |
Enteral pharmaceutical compositions
Enteral pharmaceutical compositions containing medicinal agents having parenteral abuse potential are rendered resistant to aqueous extraction through the incorporation of a sufficient amount of a...
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3966902 |
Polymer complex carriers for an active ingredient
Compositions comprising an effective amount of an active ingredient such as a medicinal agent, disinfectant, pesticide, insect repellant, or a cosmetic agent such as an antiperspirant, a bath oil,...
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3962420 |
Dissolution of gallstones
Macroreticular resins have shown biological activity for gallstone removal and lowering serum cholesterol by selective adsorption of cholesterol from the bile.
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3935326 |
Process for coating tablets with aqueous resin dispersions
Coated tablets are prepared by applying to a core of active material, at least one layer of a coating composition made up of a film forming aqueous synthetic resin dispersion and from 2-50% by...
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3911100 |
Sustained release of methantheline
A sustained release pharmaceutical composition which includes methantheline bromide; a polymer of a monomer mixture of a monoester of acrylic acid and/or methacrylic acid and a polyhydric alcohol;...
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3881026 |
POWDERED WATER-INSOLUBLE POLYMERS CONTAINING ABSORBED ADDITIVES
A process for preparing hydrophilic homopolymers and products prepared thereby, said process comprising admixing in a solvent-free system in the presence of a free radical, vinyl polymerization...
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3872128 |
ANTIMICROBIAL HYDROXY QUINOLINE, ETHYLENE-ACRYLIC POLYMER COMPOSITIONS
Ammonium polymer salts having antimicrobial properties have been prepared from carboxyl-containing α-olefin polymers and substituted quinolinium or pyridinium salts.
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3857932 |
DRY HYDROPHILIC ACRYLATE OR METHACRYLATE POLYMER PROLONGED RELEASE DRUG IMPLANTS
A shaped body in vivo implantation dosage form which is a dry composition containing a therapeutically active material and a water insoluble hydrophilic acrylate or methacrylate polymer selected...
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3607848 |
METHOD FOR PREPARING INSOLUBLE, CROSS-LINKED ORGANIC HYDROGELS COMPRISING COPOLYMERS OF GLYCOL MONOESTERS WITH DIESTERS
Insoluble hydrogels are prepared by cross-linking linear or branched soluble copolymers of glycol methacrylates or glycol acrylates with glycol dimethacrylates or glycol diacrylates, preferably in...
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3551556 |
CARRIERS FOR BIOLOGICALLY ACTIVE SUBSTANCES
Drugs are released gradually to a living organism after oral ingestion, through a layer of non-ionogenic, neutral hydrogel of a polymer of ethylene glycol methacrylate or similar monomer...
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3681089 |
Title is not available
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3574826 |
Title is not available
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3576760 |
Title is not available
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3563925 |
Title is not available
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3641237 |
Title is not available
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3629392 |
Title is not available
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