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Class 424/495 - Ethyl cellulose


Subclass of Class 424 - Drug, bio-affecting and body treating compositions
Definition: Subject matter in which the cellulose derivative is ethyl
No. of patents: 342
Last issue date: 01/03/2012


1                  
NumberTitleIssue Date
8088414Latex or pseudolatex compositions, coatings and coating processes
A composition comprising: (i) at least one latex or pseudolatex water insoluble film former, (ii) at least one permeation enhancing agent and, optionally, (iii) one or more plasticizers. The present invention is also directed to substrates coated with the compositio...
01/03/2012
7927628Sustained release preparations and process for producing the same
The present invention provides sustained-release preparations from which a pharmacologically active substance can be released over a long time and a process for producing the same. Such a sustained-release preparation is produced by melt-granulating a low-melting-po...
04/19/2011
7381227Fabric laundering
Relatively low levels of polysaccharides in combination with small, deformable, water-insoluble particles of a size in the range 0.05-5 microns are capable of giving benefits in a wash liquor in terms of reduced fabric abrasion. ...
06/03/2008
7364754Ceramic based nanoparticles for entrapping therapeutic agents for photodynamic therapy and method of using same
The present invention provides methods and compositions for photodynamic therapy. The composition comprises ceramic nanoparticles in which a photosensitive drug/dye is entrapped. The ceramic nanoparticles are made by formation of a micellar composition of the dye. T...
04/29/2008
7316821Stabilized controlled release substrate having a coating derived from an aqueous dispersion of hydrophobic polymer
A stabilized solid controlled release dosage form having a coating derived from an aqueous dispersion of ethylcellulose is obtained by overcoating a substrate including a therapeutically active with an aqueous dispersion of ethylcellulose and then curing the coated ...
01/08/2008
7309500Microparticles
A method of forming particles, comprises accelerating a first stream comprising a first liquid, applying a charging voltage of at most 1.5 kV to the first stream, and vibrating the first stream, to form particles. ...
12/18/2007
7294347Coating compositions for bitterness inhibition
The present invention discloses coating compositions with taste masking property, comprising a blend of pH sensitive polymers and optionally a pH independent polymer or a blend of the pH sensitive polymer and pH independent polymer used for taste masking of highly b...
11/13/2007
7282218pH sensitive polymer for inhibiting transformation in drugs
The present invention discloses a substantially amorphous pharmaceutical composition comprising a drug that can exist in a variety of polymorphic forms and a pH sensitive polymer, which inhibits the crystallization of the drug during formulation and reconstitution. ...
10/16/2007
7276250Sustained release formulations of oxymorphone
Sustained release formulations of oxymorphone or pharmaceutically acceptable salts thereof; methods for making the sustained release formulations of oxymorphone or pharmaceutically acceptable salts thereof; and methods for using the sustained release formulations of...
10/02/2007
7276252Method and form of a drug delivery device, such as encapsulating a toxic core within a non-toxic region in an oral dosage form
A drug delivery device such as an oral dosage form (ODF) with a toxic or potent core encapsulated by a non-toxic region. The non-toxic region may be a region including multiple layers, coatings, shells, and combinations thereof, which provides protection to and isol...
10/02/2007
7235261Controlled release encapsulation
This invention relates to a controlled release encapsulated dry powder that is formed by an emulsion comprising: A) a fully hydrolyzed polymer, B) a hydrophobic silica, C) a modified corn starch, and D) at least one fragrance oil, which is emulsified in water and sp...
06/26/2007
7223421Teste masked pharmaceutical particles
Taste masked particles and chewable tablets made therefrom are disclosed. The taste masked particles comprise a core containing an active ingredient and a polymeric coating covering said core, said coating comprising a mixture of a) an enteric polymer; and b) an ins...
05/29/2007
7220433Compositions for parenteral administration and sustained-release of therapeutic agents
The present invention is directed to parenterally-administrable microparticles for providing sustained-release of a therapeutic agent in the body, where the microparticles include a polymeric core containing a therapeutically effective amount of a therapeutic agent ...
05/22/2007
7202292Colored polymeric resin composition with 1,8-diaminoanthraquinone derivative, article made therefrom, and method for making the same
In one embodiment, a colored polymeric resin composition, comprises: a polymeric resin; and a 1,8-diaminoanthraquinone derivative having a purity of greater than or equal to about 90 wt % and having a Formula (VIII):
04/10/2007
7175856Palatable oral suspension and method
A drug formulation in the form of a dry powder is provided which when mixed with water forms a palatable oral suspension substantially free of bitter taste, the dry powder being formed of a drug, preferably des-quinolone, which in solution has a bitter taste, and a ...
02/13/2007
7172767Opioid agonist / antagonist combinations
The invention is directed in part to oral dosage forms comprising a combination of an orally analgesically effective amount of an opioid agonist and an orally active opioid antagonist, the opioid antagonist being included in a ratio to the opioid agonist to provide ...
02/06/2007
7108866Chronotherapeutic diltiazem formulations and the administration thereof
A controlled-release Galenical preparation of pharmaceutically acceptable Diltiazem including the pharmaceutically acceptable salts thereof, suitable for evening dosing every 24 hours containing from about 120 mg to about 540 mg or more (as desired) of the form of D...
09/19/2006
7087282Limited play optical storage medium, method for making the same
In one embodiment, a limited play optical storage medium for data comprises: a reflective layer, a control portion comprising an optically transparent polymeric resin and a light absorbing material, wherein the control portion has a light transmission of greater tha...
08/08/2006
7087243Pharmaceutical coating composition and method of use
A composition is disclosed comprising a polymer and a surfactant in a solvent exhibiting a common solubility for the polymer and the surfactant. The composition provides a dosage form for administering a drug over time. ...
08/08/2006
7078058Corticosteroid-containing pharmaceutical composition
A foamable pharmaceutical composition comprising a corticosteroid, a quick-break foaming agent, a propellant and a buffering agent, sufficient to buffer the composition to within the range of pH 3.0 to 6.0 is disclosed. The quick-break foaming agent typically compri...
07/18/2006
7074430Controlled release tramadol tramadol formulation
A controlled release preparation for oral administration contains tramadol, or a pharmaceutically acceptable salt thereof, as active ingredient. ...
07/11/2006
7060287Tissue augmentation material and method
A permanent, biocompatible material for soft tissue augmentation. The biocompatible material comprises a matrix of smooth, round, finely divided, substantially spherical particles of a biocompatible ceramic material, close to or in contact with each other, which pro...
06/13/2006
7048948Stable granulates containing S-adenosylmethionine and process for the preparation thereof
A fluid bed granulation process for manufacturing non-hygroscopic, stable granulates containing a water-soluble salt of S-adenosylmethionine is described. Said process comprises: a) the simultaneous, sequential or alternate dispers...
05/23/2006
7018657Particulate composition
Nanoparticles are prepared from a colloidal system comprising a continuous phase and micelles, the micelles comprising surfactant material. A microemulsion is formed by admixing the colloidal system with a solution of an active material, such as a medicament, dissol...
03/28/2006
6994873Multiparticulate formulations of lithium salts for oral administration suitable for once-a-day administration
This invention refers to: multiparticulate formulations of Lithium salts for oral administration constituted by either modified release granules or mixtures of modified and conventional release granules, suitable for once-a-day adm...
02/07/2006
6989159Pharmaceutical compositions containing lithium carbonate
Once daily pharmaceutical compositions containing lithium carbonate in the form of coated granules. ...
01/24/2006
6974832L-ascorbic acid and pectin composition
The invention relates to compositions in the form of a powder or granules containing L-ascorbic acid and/or a pharmaceutically acceptable salt thereof, and pectin in a quantity within the range of about 0.1 to about 10% by weight. ...
12/13/2005
6974593Insoluble drug delivery
Particles of water insoluble biologically active compounds, particularly water-insoluble drugs, with an average size of 100 nm to about 300 nm, are prepared by dissolving the compound in a solution then spraying the solution into compressed gaz, liquid or supercriti...
12/13/2005
6955682Wound closure system and methods
A wound closure system and methods utilizes a patient's own blood. The system preferably includes a chamber with a needle and a plunger for transferring and storing blood prior to surgery and the use of reversible anticoagulants. The chamber is pre-loaded with a rev...
10/18/2005
6951657Particles coated with granulated crystalline ibuprofen
The invention concerns coated particles based on granulated microcrystals of ibuprofen, its pharmaceutically acceptable isomers and salts, characterized in that they comprise a coating obtained in a fluidized bed apparatus with a hydroalcoholic dispersion consisting...
10/04/2005
6949264Nutraceuticals or nutritional supplements and method of making
A method for producing a chewing gum with a controlled release active agent, as well as the chewing gum so produced, is obtained by physically modifying the release properties of the active agent, such as a nutraceutical or nutritional supplement, by coating and dry...
09/27/2005
6946146Coating for a sustained release pharmaceutical composition
The present invention is directed to a coating composition for coating a solid dosage form of a medicament, where the coating composition controls the release of the medicament, said coating composition comprising (a) at least 50% (w/w) by dry weight of a water inso...
09/20/2005
6939560Pharmaceutical composition having two coating layers
The present invention provides a pharmaceutical composition which is substantially free of unpleasant tastes and orally administrable which comprises: (a) an active medicament, (b) an inner coating layer comprising...
09/06/2005
6932984Method of microencapsulation
A method for microencapsulation of substances is provided. The substance(s) is/are dissolved or dispersed in an organic solvent of the kind that is partially miscible in water media. This organic solution is then mixed with an aqueous solution, which is saturated wi...
08/23/2005
6913767Compositions for microencapsulation of antigens for use as vaccines
Methods and compositions are provided for the encapsulation of antigens in PLGA microspheres for use as vaccines. Such microspheres can also contain adjuvants. Mixtures of microspheres are provided which release antigen at desired intervals to provide boosts with an...
07/05/2005
6913768Sustained release delivery of amphetamine salts
A pharmaceutical composition comprises a once-a-day sustained release formulation of at least one amphetamine salt which provides mean plasma concentration profile aspects in human ADHD patients which are substantially the same as that provided by ADDERALL XR® type...
07/05/2005
6911217Controlled release bead, a method of producing the same and multiple unit formulation comprising it
A controlled release bead comprises: (i) a core unit of a substantially water-soluble or water-swellable inert material; (ii) a first layer on the core unit of a substantially water-insoluble polymer; (iii) a second layer covering the first layer and containing an a...
06/28/2005
6905709Stabilized controlled release substrate having a coating derived from an aqueous dispersion of hydrophobic polymer
A stabilized solid controlled release dosage form having a coating derived from an aqueous dispersion of ethylcellulose is obtained by overcoating a substrate including a therapeutically active with an aqueous dispersion of ethylcellulose and then curing the coated ...
06/14/2005
6890561Microencapsulated and controlled-release formulations of isoflavone from enriched fractions of soy and other plants
There is provided an orally-administrable formulation for the controlled release or stable storage of a granulated isoflavone-enriched fraction or mixture of such fractions, comprising at least one granulated isoflavone-enriched fraction and at least one carrier, di...
05/10/2005
6875443Encapsulated long chain alcohols
The present invention is directed to the encapsulation of long chain alcohols, C20-C36, in various materials including polymers and waxes. Through the proper selection of the polymer the encapsulated long chain alcohol can be advantageously add...
04/05/2005
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