Class 424/483 - Ion-exchange resins

Subclass of Class 424 - Drug, bio-affecting and body treating compositions
Definition: Subject matter in which the material is an ion-exchange
No. of patents: 32
Last issue date: 05/27/2008

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Number	Title	Issue Date
7378109	Pharmaceutical composition for improving palatability of drugs and process for preparation thereof The present invention discloses compositions, comprising a lipid-polymer matrix to mask the bitter or unpleasant taste of the medicament. The lipid or a blend of lipids, are used in combination with the pH dependent polymer where the said polymer is acid soluble or ...	05/27/2008
7067116	Fast dissolving orally consumable solid film containing a taste masking agent and pharmaceutically active agent at weight ratio of 1:3 to 3:1 Physiologically acceptable films, including edible films, are disclosed. The films include a water soluble film-forming polymer, such as pullulan, and a taste masked pharmaceutically active agent, such as dextromethorphan. The taste masking agent is preferably a sul...	06/27/2006
7067493	Single dose azithromycin The present invention relates to a method of treating infections in humans by administering a single dose of azithromycin. ...	06/27/2006
6706285	Enteric coated formulation of a benzimidazole derivative and method for preparation thereof Disclosed are an enteric coated formulation of a benzimidazole derivative comprising a core and a film of an enteric coating agent on the surface thereof, the core containing a complex of the benzimidazole derivative and an ion-exchange resin, and the enteric coatin...	03/16/2004
6685962	Gastroretentive controlled release pharmaceutical dosage forms Pharmaceutical gastroretentive drug delivery systems for the controlled release of an active agent in the gastrointestinal tract are disclosed, which comprise: (a) a single- or multi-layered matrix comprising a polymer that does not retain in the stomach ...	02/03/2004
6420473	Acrylic enteric coating compositions A non-toxic, edible, enteric film coating, dry powder composition for use in making an aqueous enteric suspension which may be used in coating pharmaceutical tablets comprises a) an acrylic resin, said resin comprising i) from 20 to 85 percent by weight o...	07/16/2002
6194000	Analgesic immediate and controlled release pharmaceutical composition Disclosed is a method for the therapeutic treatment of pain related to wind up in a human or animal. The method of the invention is practiced by administering to the subject an effective amount of an analgesic pharmaceutical composition which includes a N...	02/27/2001
6066336	Cholesterol-lowering tablets An improved cholesterol-lowering tablet is manufactured by blending tablet grade cholestyramine with an appropriate amount of lubricant and directly compressing into elongated tablets having a specified thickness. These inner tablets are successfully film...	05/23/2000
5980882	Drug-resin complexes stabilized by chelating agents The invention provides a pharmaceutical composition comprising a drug-resin complex and a chelating agent in which the composition is in the form of a solid or a gel. The invention also provides a method of making such a composition and a method for impro...	11/09/1999
5935604	Nasal drug delivery composition containing nicotine The present invention provides a nasal drug delivery composition comprising nicotine or a pharmacologically-acceptable salt or derivative thereof wherein the composition is adapted to delivery a pulse of nicotine for rapid absorption and a controlled rele...	08/10/1999
5840339	Blood cholesterol reducing pharmaceutical composition A salt comprising the reaction product of nicotinic acid and an anion exchange resin having a degree of crosslinking with divinylbenzene of less than 4%. These salts are useful in reducing blood cholesterol levels....	11/24/1998
5837226	Ocular microsphere delivery system A sustained release drug delivery composition and a method of making same are provided which comprises microspheres containing a pharmaceutically active agent, a core of a ion-exchange resin and a polymeric coating completely surrounding the core wherein ...	11/17/1998
5718920	Particles for binding monovalent cations A method and particles for binding monovalent cations, each of the particles having a nucleus containing a cation exchange material, and applied thereon, a coating comprising a membrane being permeable for monovalent cations, in particular sodium, potassi...	02/17/1998
5688510	Process for producing stable medicinal composition, and pharmaceutical preparation A process for producing a pharmaceutical composition is disclosed. In the process, 1 part by weight of a physiologically inert powdery additive, 0.001-1 part by weight of a macromolecular additive per part by weight of said insert powdery additive, and at...	11/18/1997
5654004	Oral pharmaceutical preparation releasable in the lower digestive tract An oral pharmaceutical preparation releasable in the lower digestive tract, characterized by having a double-coated structure wherein a solid drug having a core containing an active ingredient is covered with both an inner coat made of a cationic polymer ...	08/05/1997
5442008	Stabilized polymer film coated compounds and stabilized formulations in compressed from using same Stabilized medicinal substances, a process for the preparation thereof, and stable medicinal formulations Stabilized compounds of the formula I ##STR1## in which R, R1, R2, R3, R4 and R5 have the stat...	08/15/1995
5286493	Stabilized controlled release formulations having acrylic polymer coating A stabilized solid controlled release dosage form having a coating derived from an aqueous dispersion of an acrylic polymer is obtained by overcoating a substrate including a therapeutically active with an aqueous dispersion of the plasticized acrylic pol...	02/15/1994
5271946	Controlled release azelastine-containing pharmaceutical compositions Azelastine-containing pharmaceutical compositions which provide controlled release of the active substance using a sustained release component. The compositions contain azelastine or a physiologically acceptable salt of azelastine, together with 0.001 to ...	12/21/1993
5004614	Controlled release device with an impermeable coating having an orifice for release of drug Controlled release devices having a core including an active agent and an outer coating which is substantially impermeable to the entrance of an environmental fluid and substantially impermeable to the release of the active agent during a dispensing perio...	04/02/1991
4999189	Sustained release oral suspensions Stable sustained release wax- and polymer-coated drug-ion exchange resin complexes especially useful in preparing oral suspensions are disclosed....	03/12/1991
4996047	Sustained release drug-resin complexes Disclosed are oral pharmaceutical preparations which comprise a pharmacologically active drug bound to small particles of an ion-exchange resin to provide a drug-resin complex having a drug content above a specified value. The drug-resin complex is subseq...	02/26/1991
4869908	Fibre formulations Tablets containing nutritional and therapeutic substances in conjunction with dietrary fibre substances. The tablets can be formulated in two layers which separate the nutritional and therapeutic substances from the fibre....	09/26/1989
4788055	Resinate sustained release dextromethorphan composition A pharmaceutical preparation for controlled, sustained release of dextromethorphan comprising a polystyrene sulfonate resin which has been cross-linked with about 3% to about 10% divinyl benzene, having an average particle size of at least 48 μm and less...	11/29/1988
4762709	Liquid prolonged release pharmaceutical formulations containing ionic constituents A formulation of a drug wherein the drug is present as a coated, drug-resin complex suspended in a liquid carrier which carrier also contains a second ionic component bearing the same charge as the coated complexed drug, the second ionic component being p...	08/09/1988
4663163	Modified polysaccharide supports A modified polysaccharide material which comprises: (1) polysaccharide covalently bonded to a synthetic polymer; (2) the synthetic polymer being made from (a) a polymerizable compound which is capable of being covalently coupled directly or indirectly to ...	05/05/1987
4529583	Composition and method of immobilizing emetics and method of treating human beings with emetics A therapeutic composition is coated with a mixture of an emetic chemical and an inert material. A method for reducing absorption into the body of a being of an emetic chemical while still retaining localized emetic activity comprises combining prior to in...	07/16/1985
4459278	Composition and method of immobilizing emetics and method of treating human beings with emetics A therapeutic composition is coated with a mixture of an emetic chemical and an inert material. A method for reducing absorption into the body of a being of an emetic chemical while still retaining localized emetic activity comprises combining prior to in...	07/10/1984
4221778	Prolonged release pharmaceutical preparations Prolonged release pharmaceutical preparations containing ion exchange resin drug complexes at least a substantial portion of which have been treated with a solvating agent and provided with a diffusion barrier coating....	09/09/1980
4211763	Anion exchange resin in the determination of thyroid function In the determination of thyroid function in the triiodothyronine uptake and thyroxine tests, a tablet formed from a strongly basic anion exchange resin is used as a secondary binding agent to separate the bound and unbound radioactive thyroid hormone....	07/08/1980
4175119	Composition and method to prevent accidental and intentional overdosage with psychoactive drugs A composition and method of inducing emesis to preclude death from accidental or intentional overdosage of a therapeutic composition. The surface of the therapeutic composition is coated with an emetic chemical of such quantity that if the therapeutic com...	11/20/1979
4115537	Resin tablet and use thereof in diagnostic tests Resilient polystyrene anion-exchange resin beads in a size range of 50 to 600 mesh are bound together by microcrystalline cellulose to form a tablet suitable for use in conducting clinical diagnostic tests, and particularly, in making thyroxine determinat...	09/19/1978
3964482	Drug delivery device A drug delivery device for percutaneously administering a drug comprising a plurality of projections, a drug reservoir containing a drug, and where the projections extend from the reservoir and are adapted for penetrating the stratum corneum for percutane...	06/22/1976

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Class 424/483 - Ion-exchange resins