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WO/2013/148154A1 |
A reaction product mixture is obtained from a reaction of (a) a cellulose ether with (b) an aliphatic monocarboxylic acid anhydride or with a di- or tricarboxylic acid anhydride or with a combination of an aliphatic monocarboxylic acid a...
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WO/2013/137474A1 |
A cationized glycerolated cellulose which, when blended in a hair cosmetic, is able to impart excellent smoothness and its long-lasting feeling at the time of rinsing and to impart a moist feeling and softness to the hair after drying an...
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WO/2013/137140A1 |
Provided is a method which comprises a process of having an anion-modified cellulose nanofiber dispersion liquid contain monovalent or divalent metal ions. Consequently, the fluidity of an anion-modified cellulose nanofiber dispersion li...
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WO/2013/137755A1 |
The process for the preparation of nanoparticles from polysaccharides and derivatives thereof, by their specific partial oxidation to produce aldehyde groups and attach compounds with amino or other group with the R-NH2 bond which react ...
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WO/2013/100357A1 |
Disclosed is a preparation method of an acetylated cellulose ether, and an acetylated cellulose ether prepared thereby. The preparation method of an acetylated cellulose ether comprises the following steps: dissolving an acetylated cellu...
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WO/2013/094883A1 |
Disclosed are an acetylated cellulose ether, a method for preparing same, and an article comprising same. The disclosed acetylated cellulose ether has a degree of substitution (DS) by an alkyl group of 1-2, a degree of molar substitution...
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WO/2013/085053A1 |
[Problem] To provide a means which is capable of dissolving a cellulose under mild conditions using a relatively safe substance. [Solution] A method for producing an aqueous cellulose solution, which comprises a step wherein a purified c...
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WO/2013/081836A1 |
Cellulose ethers, wherein at least a part of the hydroxyl groups of the cellulose backbone are substituted by methoxy groups and hydroxyalkoxy groups, and optionally alkoxy groups being different from methoxy groups, having an unconventi...
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WO/2013/076376A1 |
The invention relates to a method for manufacturing cellulose material, the method comprising introducing cellulose fibers as raw material pulp (1) to a system, adding an alkalizing agent into the system in order to absorb the alkalizing...
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WO/2013/057132A1 |
Embodiments of the present description provide methods for increasing the concentration of carboxymethylcellulose alkali solutions that are particularly suitable for use in a high solids paper coating, barrier materials, etc. Generally d...
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WO/2013/050300A2 |
Procedure for depolymerising polysaccharides using UV-vis light irradiation catalyzed by a radical photoinitiator. The polysaccharides obtained with the procedure of the invention have a average number molecular weight comprised between ...
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WO/2013/031444A1 |
These cellulose nanofibers have an average degree of polymerization of 600 to 30,000, an aspect ratio of 20 to 10,000, an average diameter of 1 to 800 nm, an X-ray diffraction pattern with an Iβ-type crystal peak, and a hydroxyl group t...
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WO/2013/016059A1 |
In a method of removing alkylene halogenohydrin from a cellulose ether the cellulose ether is provided, water is added to the cellulose ether and subsequently alkylene halogenohydrin and water is removed from the cellulose ether by evapo...
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WO/2013/002346A1 |
Provided are: a (meth) allylsilane compound that is chemically bonded to a variety of alcohol derivatives such as saccharides and other polyol derivatives, is a raw material used to cause a substrate to express functionality such as anti...
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WO/2012/173838A1 |
Cellulose ethers are described herein which are useful in food compositions. In these cellulose ethers the ether substituents are methyl groups, hydroxyalkyl groups, and optionally alkyl groups being different from methyl, the cellulose ...
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WO/2012/172170A1 |
The invention relates to a method for manufacturing cellulosic material, the method comprising: introducing cellulose fibers as cellulosic raw material (1) to a system, and conveying the cellulose fibers (1) to an extruder (6) comprising...
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WO/2012/150701A1 |
The present invention pertains to a method for producing alkali cellulose in which the cellulose polymerization degree decreases little and in which few bases are used. The present invention also pertains to a method for producing cellul...
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WO/2012/150700A1 |
The present invention pertains to a method for producing alkali cellulose in which the cellulose polymerization degree decreases little and in which few bases are used. The present invention also pertains to a method for producing cellul...
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WO/2012/147255A1 |
[Problem] To provide an environmentally friendly and novel liquid-absorbing polymer that can be used as a material in place of a cross-linked polyacrylic acid copolymer, makes use of a natural product, and has an absorbency superior to c...
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WO/2012/138531A1 |
The amount of water-insoluble fibers in a water-soluble cellulose derivative is reduced in a process comprising the steps of a) providing a water-soluble cellulose derivative having a residual amount of at least 20 ppm by weight of water...
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WO/2012/138533A1 |
A particulate cellulose derivative is obtained in a process of grinding and drying a moist cellulose derivative which comprises the steps of A) providing a cellulose derivative having a moisture content of from 60 to 95 percent, based on...
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WO/2012/127119A2 |
The invention relates to method for preparation of a specific product from a polysaccharide in which at least one hydroxyl of a saccharide unit is substituted with an ether or ester moiety. Said ether or ester moiety is provided with eth...
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WO/2012/124652A1 |
The present invention relates to modified cellulose nanofibers characterized by the use of an anionic additive to neutralize cationic groups in cationic cellulose nanofibers. The present invention also relates to: a resin composition tha...
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WO/2012/103634A1 |
In one aspect, there is provided a compound comprising an acetylated carboxymethylcellulose (CMC- Ac) covalently linked to: at least one poly(ethylene glycol) (PEG), and at least one hydrophobic drug. In another aspect, a self-assembling...
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WO/2012/077860A1 |
Disclosed are acetylated cellulose ether and articles including the same. The disclosed acetylated cellulose ether has a molecular weight of 1,000-1,000,000 dalton, a contact angle of 20-45˚, and a tensile strength of 50-100MPa.
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WO/2012/074042A1 |
The present invention provides a hydroxyalkyl cellulose having a viscosity in a 2%-concentration aqueous solution at 20ºC of 1.10 to 1.95 mPa·s, and a solid preparation containing the same.
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WO/2012/051034A1 |
Cellulose ethers are described which are useful in compositions for extrusion-molded bodies. In these cellulose ethers the ether substituents are methyl groups, hydroxyalkyl groups, and optionally alkyl groups being different from methyl...
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WO/2012/051035A1 |
Cellulose ethers are described herein which are useful in capsules or in coatings for dosage forms. In these cellulose ethers the ether substituents are methyl groups, hydroxyalkyl groups, and optionally alkyl groups being different from...
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WO/2012/040024A1 |
A process for treating a polysaccharide with a dialdehyde in the presence of from 10 to 40 weight percent of water, based on the total weight of polysaccharide and water, is beneficially conducted in a mixing device characterized by a FR...
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WO/2012/008314A1 |
Disclosed is a method for producing carboxymethyl cellulose, in which after starting material pulp is subjected to a crushing treatment using a crusher, cellulose in the material obtained by the crushing treatment is reacted with a monoh...
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WO/2011/159626A1 |
Disclosed are polymers of hydroxypropyl methyl cellulose acetate succinate (HPMCAS) with unique degrees of substitution of hydroxypropoxy, methoxy, acetyl, and succinoyl groups. When used in making compositions comprising a low- solubili...
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WO/2011/154759A1 |
The present invention relates to method for the preparation of a particulate reversibly-crosslinked polymeric material comprising: treating a particulate water-soluble hydroxyl-functional polymer in a liquid phase comprising a solvent mi...
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WO/2011/154757A1 |
The present invention relates to a particulate water-soluble polymeric polyol that is treated with a compound represented by formula (I), CR1χ(OR2)4-x (I) wherein R1 is selected from hydrogen, a C1 - C20 alkyl group and an aryl group, R...
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WO/2011/151670A1 |
The present technology provides processes for cross-linking cellulose ethers under mild conditions. The processes include exposing a substantially dry cellulose ether film to a polyisocyanate to provide a cross-linked cellulose ether fil...
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WO/2011/145216A1 |
Disclosed is a process for producing a dry cellulose gel which comprises: a step in which a cellulose powder is introduced in an amount of 15-25 wt.% into a kneader in which water has been placed, while spraying atomized water, and there...
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WO/2011/135401A1 |
The invention relates to a polysaccharide which comprises carboxyl functional groups, said polysaccharide being selected from the group of synthetic anionic polysaccharides comprising 1,6 bonds obtained from neutral polysaccharides, on w...
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WO/2011/120156A1 |
The present invention relates to polyamine-containing polymers and methods of their synthesis and use. The polymer may be hydoxyethylcellulose. dextran. polyvinyl alcohol) or poly(methyl acn late) and the polyamine may be selected from e...
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WO/2011/120533A1 |
The invention is directed to a process of preparing carboxymethyl cellulose comprising the steps of (a) reacting non-regenerated cellulose with an alkalization agent in the presence of water and isopropyl alcohol and (b) reacting the alk...
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WO/2011/108461A1 |
Disclosed are cellulose nanofibers which have an average polymerization degree of 600-30,000 (inclusive), an aspect ratio of 20-10,000 and an average diameter of 1-800 nm, while having an X-ray diffraction pattern with a Iβ-type crystal...
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WO/2011/108505A1 |
Disclosed is: a method for producing cationized cellulose, which comprises a step (1) wherein a cationization agent is added to cellulose and a crystallinity decreasing treatment is carried out by means of a mechanical force, and a step ...
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WO/2011/098962A2 |
The present invention relates to novel anionic polysaccharide derivatives partially functionalised by at least two vicinal hydrophobic groups, said identical or different hydrophobic groups being supported by an at least trivalent radica...
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WO/2011/096529A1 |
Disclosed is a cationised novel microfibrillated plant fibre and a manufacturing method for the same. The cationised microfibrillated plant fibre is cationised using a compound containing a quaternary ammonium group, and the average fibr...
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WO/2011/093573A1 |
Acetylated cellulose ether and an article including the same. The acetylated cellulose ether has a degree of substitution (DS) of alkyl group of 1 to 2, a molar substitution (MS) of hydroxyalkyl group of 0 to 1, and a degree of substitut...
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WO/2011/065350A1 |
Provided is a method for producing hydroxyalkylcellulose microparticles, which comprises generating a pulse shock wave and then supplying an aqueous hydroxyalkylcellulose solution to the pulse shock wave-generation area to thereby grind ...
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WO/2011/059386A1 |
The present invention pertains to processes for preparing granules comprising cellulose-containing fibers and biocomposites comprising disintegrated fibers, granulesand biocomposites produced by the processes of the invention, as well as...
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WO/2011/052733A1 |
Disclosed is a production method for cationic hydroxypropyl cellulose, wherein a low crystallinity powdered cellulose is reacted with a cationizing agent represented by general formula (1) and/or (2) and a propylene oxide, in the presenc...
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WO/2011/035310A2 |
The present invention relates to esters of diacids and cellulosic materials and methods for making thereof. The ester has the chemical composition of Formula (I) Formula I where R1, R2, and R3 can be the same or different, and each of wh...
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WO/2011/027729A1 |
Hydroxypropyl cellulose particles containing particles each having a particle size of larger than 150 μm and not larger than 355 μm in an amount of 50 to 100 wt%.
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WO/2011/020829A1 |
The invention relates to modified polysaccharide ethers having a weight-averaged molecular weight of 40000 to 50000 g/mole, zero shear viscosity of more than 10 Pas, and pseudoplasticity of more than 20, obtainable by reacting cellulose-...
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WO/2011/001907A1 |
Provided are a cellulose resin composition with excellent thermoplasticity and superior mechanical strength, and a molded article and an electric and electronic equipment casing using the same. The cellulose resin composition for melt mo...
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