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WO/2005/074395A2 |
The present invention relates to a method of preparing an aqueous dispersion of hydroxypropyl methylcellulose phthalate (hereunder referred to as 'HPMCP') nanoparticle composition. More particularly it relates to a method of preparing an...
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WO/2005/058972A1 |
The present invention relates to a process for the oxidation of a hydroxy compound comprising the steps of: a) providing a first mixture containing an organic protonated hydroxylamine compound, b) oxidizing said protonated hydroxylamine ...
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WO/2005/056648A1 |
The invention relates to a film-shaped form of administration for topically administering at least one agent and/or nutrient to a living being. Said form of administration comprises at least one agent-containing and/or nutrient-containin...
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WO/2005/054297A2 |
This invention provides cellulose ester interpolymers, and methods of oxidizing cellulose interpolymers and cellulose ester interpolymers. The invention also provides routes to access carboxylated cellulose ester derivatives with high ac...
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WO/2005/049869A1 |
A method of hydrolyzing an organic compound (especially, polysaccharide such as starch, agar, guar gum or cellulose), comprising carrying out a hydrothermal reaction thereof in a hot water of 5 to 100 MPa pressure and 140 to 300&ring C t...
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WO/2005/047339A1 |
A new cellulose excipient, OCCAE, suitable for use as a binder, filler, and/or disintegrant in the development of solid dosage forms and as a bodying agent or a drug carrier in the preparation of topical formulations is described. The ce...
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WO/2005/042588A1 |
The invention relates to a cellulose derivative which comprises at least one anhydroglucose unit of formula (I), wherein Cell represents the anhydroglucose unit of the cellulose molecule, X is an anchor group bound to the anhydroglucose ...
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WO/2005/027852A2 |
The present invention relates to improved methods for reducing pain and organ dysfunction using bioadhesive, bioresorbable, anti-adhesion compositions made of intermacromolecular complexes of carboxyl-containing polysaccharides, polyethe...
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WO/2005/026233A1 |
The present invention relates to a process for preparing enteric water-dispersible hydroxypropyl methylcellulose phthalate nanoparticles, in particular, to a process for preparing enteric water-dispersible hydroxypropyl methylcellulose p...
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WO/2005/013926A2 |
The invention relates to a cosmetic composition, for skin make-up, lips, eyebrows or nails, comprising a liquid fatty phase and a cellulose or a liposoluble modified cellulose derivative in a cosmetically-acceptable medium, whereby said ...
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WO/2005/003270A1 |
The invention relates to an emulsion (E), comprising a hydrophobic phase (A) and an aqueous phase comprising an ampiphilic substituted hydrosoluble or hydrodispersable polysaccharide with one or more ester substituents and one or more si...
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WO/2004/099766A1 |
A separatory agent for optical isomers which contains a polysaccharide derivative as an active ingredient, wherein the polysaccharide derivative serving as an active ingredient is one formed by replacing at least part of the hydrogen ato...
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WO/2004/092223A1 |
The present invention provides a process for making cross-linked polysaccharide gels under basic conditions. More particularly, the present invention provides a process for forming cross-linked hyaluronic acid gels under basic conditions...
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WO/2004/061067A2 |
Anti-filming compositions and methods are provided. More particularly, compositions and methods for inhibiting film formation on surfaces, especially hard surfaces such as dishware, tableware and glassware, and soft surfaces such as fabr...
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WO2003093785B1 |
The present invention provides a substrate having a polymerized, polysaccharide-based hydrogel attached to the surface. The hydrogel can be derivatized with binding functionalities that bind analytes from a sample. The invention further ...
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WO/2004/046198A1 |
The invention relates to a method for the production of cellulose carbamate in an organic reaction medium, comprising the following reaction steps: a) in-situ activation of cellulose in the presence of an organic solvent which is not mis...
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WO/2004/024197A1 |
The invention provides a wound dressing material comprising a complex of an anionic polysaccharide with silver, wherein the material comprises from about 0.1wt. % to about 3wt. % of silver. Also provided are wound dressings comprising su...
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WO/2004/024775A1 |
The invention relates to modified cellulose ethers which can be obtained by mixing cellulose ethers comprising free OH groups with chemical compounds containing at least one aldehyde group and at least one acid group, and then reacting t...
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WO/2004/024799A1 |
An organopolysiloxane-modified polysaccharide obtained by the esterification of (A) an organopolysiloxane having a carboxylic anhydride residue with (B) a polysaccharide having hydroxy groups, characterized in that the organopolysiloxane...
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WO/2004/013186A1 |
The invention relates to mixtures of cellulose ethers, comprising A) allyl-modified cellulose ether of formula (1) where C6H7O2 = an anhydroglucose entity, n = 50 to 1600, R1, R2 and R3 independently = a polyalkylene oxide chain of formu...
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WO/2004/011501A1 |
Microcrystalline cellulose is produced by subjecting to a high shear treatment, at elevated temperature and pressure, a reaction mixture of a cellulose material, an active oxygen compound and water, for a time effective to depolymerize t...
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WO/2004/007560A1 |
The invention concerns a method for obtaining modified polysaccharides by oxidation of hydroxyl groups, which consists in subjecting the polysaccharide to the action of a peroxide in the presence of at least a phtalocyanine-metal complex...
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WO/2004/007559A1 |
Process for preparing a solution of a polysaccharide or polysaccharide ether having a viscosity of 1,000 mPa.s or less comprising adding to an aqueous medium a polysaccharide or polysaccharide ether and an alkaline depolymerization agent...
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WO/2003/104558A1 |
The present invention relates to cross-linked cellulosic fiber having improved absorbency characteristics when compared to conventional cross-linked fibers. The cross-linked cellulosic fiber is obtainable by reacting pulp in the sheet or...
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WO/2003/099872A1 |
The invention relates to a method for the production of cellulose carbamate by reactive extrusion and for the production of moulded bodies from regenerated cellulose. The method for the production of cellulose carbamate is based on the a...
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WO/2003/099873A1 |
The invention relates to a method for the production of homogenous mixtures of cellulose and urea and the transformation thereof into cellulose carbamate. The cellulose carbamates produced according to the invention are soluble in aqueou...
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WO/2003/099871A1 |
The invention relates to a method for the direct production of fibres, films, beads, sponges and other moulded bodies from cellulose carbamate which can be obtained by converting cellulose with urea at a high temperature and directly dis...
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WO2003085000A9 |
The invention concerns crosslinked polysaccharide derivatives on a support or not, insoluble in organic solvents with high dissolving power such as boiling chloroform, ethyl acetate or acetone. Said derivatives can be used as chiral stat...
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WO/2003/097700A1 |
Modified cellulose ethers can be obtained by reacting cellulose ethers having free OH groups with oxidizing agents in the presence of catalysts and by effecting a subsequent cross-linking by reacting the aldehyde groups, which result fro...
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WO/2003/092733A1 |
Carboxypolysaccharides (CPS) including carboxymethyl cellulose and their derivatives are provided that can be made into sponges, gels, membranes, particulates and other forms, for a variety of antiadhesion, antithrombogenic, drug deliver...
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WO/2003/093395A1 |
The invention is drawn to a fire retardant compositions and method of making thereof. The compositions are prepared by reacting a natural or synthetic polymer containing hydroxyl groups with a catalyst, such as ammonium hydroxide, and an...
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WO/2003/087165A2 |
The present invention relates to fluorinated biopolymer and polymer derivatives useful as imaging probes, diagnostic agents and contrast agents and to imaging methods employing the fluorinated biopolymers and polymers.
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WO/2003/085001A1 |
A process for producing a phosphorylcholine group-containing polysaccharide, characterized by causing an aldehyde-containing compound obtained by the oxidative cleavage reaction of glycerophosphorylcholine to add to an aminated polysacch...
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WO/2003/078471A1 |
The invention concerns a method for functionalizing polysaccharides using a source or free radicals which forms stable radicals on the polysaccharides structure and wherein the formed radicals reacts with a functionalized unsaturated com...
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WO/2003/064476A1 |
The invention relates to a method for manufacturing cellulose carbamate. In the method, an auxiliary agent and urea in solution form and possibly in solid form are absorbed into cellulose, and a reaction between cellulose and urea is car...
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WO/2003/054023A1 |
The invention relates to a method for producing cellulose carbamate by reacting cellulose with urea. The novel method permits a homogeneous temperature distribution in the reaction mixture, without the need for large quantities of suspen...
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WO/2003/050144A1 |
The present invention relates to compounds, and laundry compositions comprising said compounds, which are capable of providing enhanced anti-wrinkle benefits to cellulosic fiber containing fabric, said compounds having the formula (I), w...
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WO/2003/042284A1 |
A ssacharide residue-functional organopolycarbosiloxane containing at least two monosaccharide or polysaccharide groups per molecule in which a specific site on the monosaccharide or polysaccharide is bonded to silicon through a thioethe...
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WO/2003/042248A1 |
The present invention relates to a preparation method of solvent-free water-dispersible hydroxypropyl methyl cellulose phthalate nanoparticle, and more particularly, to a preparation method of solvent-free water-dispersible hydroxypropyl...
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WO/2003/042283A1 |
A saccharide residue-functional organopolysiloxane containing at least two monosaccharide or polysaccharide groups per molecule in which a specific site on the monosaccharide or polysaccharide is bonded to silicon through a thioether bon...
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WO/2003/040189A1 |
A cellulose−type material which is a water−insoluble polysaccharide consisting of β−1,4−sugar chain bonds, having a degree of crystallization of 70% or more and having microfibrils formed radially around the center.
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WO/2003/040190A1 |
Dialdehyde carbohydrates such as dialdehyde starch (DAS) can be oxidised with oxygen or hydrogen peroxide in the presence of a laccase or another enzyme capable of oxidation. The oxidation is mediated by a di−tertiary nitroxyl such as ...
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WO/2003/035793A1 |
The invention relates to the field of drilling wells into a subterranean formation for the purpose of extracting or producing minerals contained by said formation. The invention specifically relates to drilling fluids used in such method...
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WO/2003/035699A1 |
The invention relates to a method of preparing polyglucuronic or copolyglucuronic acid. The inventive method consists of a first step a) involving the regioselective oxidation in position C6 of an esterified polyanhydroglucose having an ...
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WO/2003/033813A1 |
The invention makes available a method to introduce specific chemical groups onto the surface of any polymeric carbohydrate material to alter the physico-chemical properties of said material. In particular, the method comprises the contr...
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WO/2003/025054A1 |
An absorbent cellulose material having an application of superabsorbent polymer adhered to the cellulose material. In particular, the cellulose material has an application of pre-superabsorbent polymer adhered to the material, wherein an...
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WO/2003/020770A1 |
A substituted polysaccharide comprising ß1-4 linkages having covalently bonded on the polysaccharide moiety thereof, at least one deposition enhancing group which undergoes a chemical change in water at a use temperature to increase the...
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WO/2003/020819A1 |
A composition comprising a silicone and a substituted polysaccharide comprising ß1-4 linkages having covalently bonded on the polysaccharide moiety thereof, at least one deposition enhancing group which undergoes a chemical change in wa...
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WO/2003/018637A1 |
The invention relates to a method for the depolymerisation of cellulose ethers by means of acid oxidative decomposition. The ground and dried cellulose ether is first gassed with gaseous acid or is sprayed with the solution of an acid, a...
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WO/2003/018072A2 |
The present invention provides a polymer derived from a cellulosic, lignocellulosic, or polysaccharide material having superabsorbent properties. Methods for making the polymer and the personal care absorbent products that incorporated t...
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