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Class 424/494 - Cellulose derivatives


Subclass of Class 424 - Drug, bio-affecting and body treating compositions
Definition: Subject matter in which the polysaccharide is cellulose
No. of patents: 733
Last issue date: 02/01/2011


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NumberTitleIssue Date
5880150Antimicrobial agent containing allyl isothiocyanate and method for controlling release speed of allyl isothiocyanate
An antimicrobial agent comprising allyl isothiocyanate (AIT) packaged in a packaging material having a structure wherein part of the pores of a porous packaging substrate is filled with, or said pores are partially or entirely narrowed by a resin impervio...
03/09/1999
5876759Rapidly disintegrating pharmaceutical dosage form and process for preparation thereof
The present invention relates to a compressed pharmaceutical dosage form containing pharmaceutical particles coated with a taste-masking composition, a water-disintegratable, compressible carbohydrate and a binder. These components are dry blended and com...
03/02/1999
5876760Granules containing pranlukast, process for producing the granules, and method of improving adhesiveness of pranlukast
Spray-dried granules comprising pranlukast (A) and one or more saccharide(s) (B) as essential ingredients and further comprising one or more water-soluble polymer(s) (C) and/or one or more surfactant(s) (D); a process for producing the same; and a method ...
03/02/1999
5869102Solid pharmaceutical compositions containing (S)-2-(4-isobutylphenyl) propionic acid active ingredient and microcrystalline cellulose and colloidal silica as excipients
The present invention relates to a solid pharmaceutical composition containing (S)-2-(4-isobutylphenyl) propionic acid as active ingredient and it relates to a solid pharmaceutical composition suitable for the preparation of pharmaceutical forms in tablet...
02/09/1999
5869101Process for the preparation of S(+)-ibuprofen-particles
A process for the production of S(+)-ibuprofen-particles having improved flow properties comprises the steps that coarse-crystalline S(+)-ibuprofen is molten and then in a molten condition is finely distributed in a non-solving medium, preferably in cold ...
02/09/1999
5866166Pharmaceutical excipient having improved compressibility
A composition, comprising (a) microcrystalline cellulose; and (b) a compressibility augmenting agent which (i) physically restricts the proximity of the interface between adjacent cellulose surfaces; or (ii) inhibits interactions between adjacent cellulos...
02/02/1999
5858409Hydrolyzed cellulose granulations for pharmaceuticals
The present invention provides a method for preparing a spray-dried compressible granular formulation for preparing pharmaceutical tablets in which hydrolyzed cellulose is used as a granulation aid, the resulting granulations, and pharmaceutical tablets c...
01/12/1999
5858410Pharmaceutical nanosuspensions for medicament administration as systems with increased saturation solubility and rate of solution
Provided is a drug carrier comprising particles of at least one pure active compound which is insoluble, only sparingly soluble or moderately soluble in water, aqueous media and/or organic solvents, wherein said active ingredient is solid at room temperat...
01/12/1999
5858412Sustained release formulations utilizing pharmaceutical excipient having improved compressibility with modified microcrystalline
Sustained release formulations include an augmented microcrystalline cellulose, an active agent, and a sustained release carrier and methods for making same are disclosed....
01/12/1999
5855914Granules having core and their production
Granules having a core are produced by spraying core granules with a dispersion of a low substituted hydroxypropylcellulose (L-HPC), and, if necessary, simultaneously applying a dusting powder. The granules having a core thus obtained exhibit increased gr...
01/05/1999
5851579Aqueous enteric coating compositions
The present invention sets forth an enteric coating composition comprising a blend of a) an alkali-soluble acrylic latex polymer and b) an aqueous solution of ammonium or alkaline salts of cellulose polymers. The invention also sets forth a method for preparing an ...
12/22/1998
5843743Gels for encapsulation of biological materials
Water soluble macromers are modified by addition of free radical polymerizable groups, such as those containing a carbon-carbon double or triple bond, which can be polymerized under mild conditions to encapsulate tissues, cells, or biologically active mat...
12/01/1998
5840329Pulsatile drug delivery system
A pulsatile drug delivery system comprising of a plurality of particles is able to deliver drug in any desired patterns. A plurality of particles with multi-layer core capable of short-pulse release interlaced with long-duration release is designed for de...
11/24/1998
5840332Gastrointestinal drug delivery system
A gastrointestinal delivery system is provided. The system comprises a drug in combination with a core material, the core being surrounded by a water-insoluble or relatively water-insoluble coating material in which particulate water-insoluble material is...
11/24/1998
5837292Granulate for the preparation of fast-disintegrating and fast-dissolving compositions containing a high amount of drug
A granulate, containing a drug having a solubility in water of 1:>10 and ࣘ15 weight percent of a water dispersible hydrocolloid incorporated into a fast-disintegrating and fast-dissolving composition....
11/17/1998
5837379Once daily pharmaceutical tablet having a unitary core
A controlled release nifedipine tablet which comprises: (a) a homogeneous compressed core which comprises: (i) a medicament; (ii) a water soluble osmotic compound (iii) one or more osmotic polymers; and (b) a membrane coating which completely covers said core tablet whi...
11/17/1998
5837291Enteric preparation coated with a non-solvent enteric coating agent using a liquid plasticizer
An enteric preparation prepared by coating a solid dosage form with a fine powder enteric coating agent while spraying a liquid plasticizer....
11/17/1998
5834024Controlled absorption diltiazem pharmaceutical formulation
A controlled absorption diltiazem pellet formulation for oral administration comprises a core having diltiazem or a pharmaceutically acceptable salt thereof as the active ingredient. The core is surrounded by a coating which has only a single layer which ...
11/10/1998
5834021Prednisolone metasulphobenzoate preparation for the treatment of inflammatory bowel disease
The dissolution at pH 6.5 of prednisolone metasulphobenzoate or a pharmacologically acceptable salt thereof from a non-disintegratable solid enteric composition comprising the prednisolone metasulphobenzoate in an excipient matrix is increased by the pres...
11/10/1998
5827541Process for preparing solid pharmaceutical dosage forms of hydrophobic substances
Process for preparing an oral rapidly disintegrating dosage form of a hydrophobic pharmaceutically active substance comprising forming a suspension of the hydrophobic pharmaceutically active substance in a solvent containing a pharmaceutically acceptable ...
10/27/1998
5817340Pharmaceutical compositions containing famotidine and aluminum hydroxide or magnesium hydroxide
A solid oral dosage form for the treatment of gastrointestinal disorders comprising a therapeutically effective amount of a therapeutically effective amount of guanidinothiazole compound; and a therapeutically effective amount of an antacid wherein the ph...
10/06/1998
5814336Pharmaceutical dosage form for colonic delivery
The present invention relates to a pharmaceutical composition in a unit dosage form for peroral administration in a human or lower animal, having a gastrointestinal tract comprising a small intestine and a colon with a lumen therethrough having an inlet t...
09/29/1998
5800834Liquisolid systems and methods of preparing same
Liquisolid systems are acceptably flowing and compressible powdered forms of liquid medications. According to the concept of liquisolid systems, liquid lipophilic drugs, or water-insoluble solid drugs dissolved in suitable non-volatile solvents, may be co...
09/01/1998
5800836Pelletized pharmaceutical composition
A pelletized sustained release pharmaceutical composition including a core element including approximately 0.1 to 95% by weight, based on the total weight of the core element, of an active ingredient of low aqueous solubility; approximately 0.1 to 55% by ...
09/01/1998
5792471Dispensing devices powered by hydrogel
This invention relates to devices useful for the controlled delivery of one or more beneficial agents to an environment of use. More specifically, this invention concerns such devices which are powered by hydrogel. This invention also relates to the contr...
08/11/1998
5783215Pharmaceutical preparation
Controlled release beads containing a core around which is a drug-containing layer e.g. a layer containing furosemid and a process for their preparation and their use in a pharmaceutical preparation. The controlled release beads have excellent mechanical ...
07/21/1998
5776501Coating base for solid enteric pharmaceutical preparations
The present invention provides a base for coating a solid enteric pharmaceutical preparation whose dissolution pH ranges from 3 to 4. The coating base is a cellulose acetate maleate which is prepared by substituting a water-soluble cellulose derivative wi...
07/07/1998
5776489Controlled release carbonic anhydrase inhibitor containing pharmaceutical compositions from spherical granules in capsule oral dosage unit form
A controlled release pharmaceutical composition in oral dosage unit form comprising a hard or a soft shell capsule containing a filling comprising a therapeutically effective number of active spherical granules comprising an effective amount of at least o...
07/07/1998
5759580Compositions containing micronized nebivolol
The present invention relates to pharmaceutical compositions containing as active ingredient micronized nebivolol of formula (I) and ways of preparing said compositions. ##STR1##...
06/02/1998
5760093Halohydrocarbon-free delayed release lacquer solution for pharmaceutical preparation
The invention relates to a delayed-release lacquer solution for pharmaceutical preparations which is characterised in that it is free from halogenated hydrocarbons....
06/02/1998
5756123Capsule shell
A capsule shell comprising 79.6-98.7% by weight of a hydroxypropylmethyl cellulose, 0.03-0.5% by weight of carrageenan, and 0.14-3.19% by weight of a potassium ion and/or a calcium is prepared by drying an solution comprising 18-28% by weight of hydroxypr...
05/26/1998
5753253Composition and method for inducing satiety
A composition and method for the control of appetite having food grade nutrients as the active ingredients, and a pharmaceutically acceptable delivery agent, formulated so that the active ingredient is released predominantly in the ileum. The active ingre...
05/19/1998
5750148Method for preparing solid enteric pharmaceutical preparation
A cellulosic enteric base is dissolved in an organic solvent capable of being admixed with water in any rate or a mixed solvent of the organic solvent and water to give a polymer solution, followed by mixing the polymer solution with water, then removing ...
05/12/1998
5750128Pesticide composition
A solid pesticide composition is taught which includes a solid carrier, a pesticide and an amount of flour and/or starch to promote the dispersion of the pesticide into the wax. The solid carrier includes paraffin oil, paraffin wax and microcrystalline wa...
05/12/1998
5741524Sustained-release formulations utilizing pharmaceutical excipient having improved compressibility
Sustained release formulations include an augmented microcrystalline cellulose, an active agent, and a sustained release carrier and methods for making same are disclosed....
04/21/1998
5733551Process for preparing spheroids of plant origin
Compositions of natural, especially plant, constituents in the form of spheroids in particular of the medicinal type and formulations necessary to their preparation by a technical extrusion and spheronization system. Compositions characterized by the dire...
03/31/1998
5725883Pharmaceutical excipient having improved compressibility
A microcrystalline cellulose-based excipient having improved compressibility, whether utilized in direct compression, dry granulation or wet granulation formulations, is disclosed. The excipient is an agglomerate of microcrystalline cellulose particles an...
03/10/1998
5725880Pharmaceutical preparation controlled to release medicinal active ingredient at targeted site in intestinal tract
A pharmaceutical preparation for oral administration which is controlled to release a medicinal active ingredient at a targeted site in the intestinal tract comprising (a) a core containing a medicinal active ingredient and (b) a press-coated layer compri...
03/10/1998
5723151Cellulose acetate phthalate enteric coating compositions
Provided are enteric coating compositions which utilize a low viscosity cellulose acetate phthalate polymer as a film former. The cellulose acetate phthalates have an inherent viscosity of about 0.2 to 0.6 dL/g and phthalyl values of from 30 to 40% and ca...
03/03/1998
5721221Lowering blood cholesterol levels using water soluble cellulose ethers
A method for reducing the cholesterol level in mammalian blood by administering a water soluble cellulose ether thereto. The cellulose ethers have a viscosity, measured as a 2% aqueous solution at 20° C., of at least about 35 cps. Oral administration is ...
02/24/1998
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