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JP2005520951A |
Cellulosic based polymer or oligomer materials for use in textile mill applications. The compositions of the present invention impart appearance and integrity benefits to fabrics and textiles during laundering and in-wear. The applicatio...
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JP3648573B2 |
PURPOSE: To easily shorten the time needed for dissolving carboxymethyl- cellulose sodium salt (CMC-Na) in water and prevent the solution from reducing its viscosity after the dissolution by dissolving CMC-Na in an aqueous solution of a ...
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JP2005508827A5 |
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JP2005508651A |
A product of acetoacetylated saccharide and the process of making such a product. The process is enzymatic where an enzyme is used as a catalyst for the reaction. The enzymatic process provides better yields and milder process conditions...
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JP2005048076A |
To provide a method for reducing an organic solvent remaining in a crude CMC, especially the remaining amount of methanol so as to be ≤1,000 ppm, and for preventing the discoloration by carrying out a low-temperature treatment because ...
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JP2005502740A |
A method for the depolymerization of cellulose ethers by acid oxidative decomposition. Ground and dried cellulose ether is exposed to gaseous acid or is sprayed with an acid solution. It is brought into contact with an oxidizing agent or...
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JP2005008827A |
To provide a method for controlling oxygen density in production of a cellulose derivative, in particular a cellulose ether.This method for controlling oxygen density of a gaseous phase part in a closed reaction system comprises controll...
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JP2005002211A |
To obtain a carboxymethyl cellulose salt(CMC salt) containing unreacted fibers and suitable as e.g. a tablet disintegrant.The CMC salt is produced using straw pulp as the feedstock pulp. Thus, the objective CMC salt containing ≥0.5 wt....
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JP3602881B2 |
PURPOSE: To dewater a water-containing cellulose ether obtained by washing and filtering a cellulose ether easily at good efficiency by treating the ether with a V-shaped disc press having a pair of screens of specified structures. CONST...
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JP3601543B2 |
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JP2004536624A |
Disclosed are modified naturally occurring biocompatible biopolymers of plant and animal origin made by subjecting same to ionizing radiation in the presence of a mediating gas, typically acetylene to enable one to selectively enhance an...
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JP3599249B2 |
PURPOSE: To obtain a water-soluble cellulose ether easily dispersible and quickly dissolvable in an aq. solvent. CONSTITUTION: This water-soluble cellulose ether contains a silane of the formula: Si(-R1)(-R2)(-R3)(-R4) [wherein R1 is a 1...
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JP3595765B2 |
It is an object of the present invention to modify low-substituted hydroxypropyl cellulose added as a binder and disintegrator in the formation of tablets, so as to serve as a base material for dry direct tableting having high binding po...
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JP2004315713A |
To provide a method for producing a nonionic cellulose having uniform particle diameter distribution, suppressed in production of undissolved lump of flour, excellent in a rapidly soluble property to cold water, having a bulk density whi...
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JP2004298019A |
To obtain a liquid additive reducing insoluble substances mixed in beverages, and improved in milk protein stabilizing properties; and to provide a lactobacillus beverage or an acid milk beverage each using the additive.The liquid additi...
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JP3575914B2 |
To improve an operability and energy efficiency of a thermal decomposition of a plastic and also a quality and recovery ratio of a heat decomposed product. A plasticizer is removed by bringing a plastic into contact with a material havin...
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JP3572213B2 |
The present invention provides a hydroxypropylcellulose having a low substitution degree, capable of giving a solution state which is excellent in transparency and stable in a wide temperature range, by controlling the amount of the subs...
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JP3560037B2 |
To obtain readily soluble carboxymethyl cellulose for glaze dispersion completing dissolution in a short time without occurrence of an undissolved lump of powder when it is added. Carboxymethyl cellulose having the following required con...
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JP2004526845A |
A process of preparing low-viscosity aqueous cellulose ether solutions is described. The process comprises: (a) dissolving high molecular weight cellulose ether in water to form a first solution; (b) admixing a catalytic amount of an aci...
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JP2004238629A |
To provide a cellulose ether composition having high bulk density, and to provide a method capable of easily increasing the bulk density of the cellulose ether and, if required, simultaneously giving the effects of powder fineness to fin...
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JP3552160B2 |
An object of the present invention is to provide a process for the production of low-substituted hydroxypropyl cellulose wherein, in the formation of low-substituted hydroxypropyl cellulose particles, a granular material obtained by gran...
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JP3549995B2 |
To readily obtain a W/O type emulsion composition excellent in emulsion stability only by stirring the oil phase containing ethyl cellulose and a specific solvent together with the aqueous phase containing a water-soluble polymer or a sp...
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JP3548120B2 |
The invention concerns cellulose microfibrils with modified surface, characterised in that the hydroxyl functions present at the surface of the microfibrils are etherified with at least an organic compound comprising at least a function ...
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JP2004182932A |
To provide a method for producing a thin liquid state carboxymethylcellulose salt (CMC salt) having a low stringiness.This method for producing the CMC salt obtained by producing an alkali cellulose by acting an alkali to raw material pu...
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JP2004519519A |
The present invention relates to the use of a quaternary ammonium hydroxyethyl cellulose ether that comprises an ether substituent containing an alkyl group with 24 carbon atoms, preferably 2 carbon atoms, having a DSalkyl of 0.1-2.5, pr...
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JP2004155806A |
To provide a crosslinked cellulose ether which is excellent in salt resistance, has tackiness and biodegradability, and can be obtained at a low cost, its manufacturing method, and a water-absorptive base material made by using it.The me...
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JP3526482B2 |
PURPOSE: To obtain a water-repellent and dyeable functional polymer. CONSTITUTION: This polymer is derived by replacing at least one hydroxylic hydrogen atom of a polymeric carrier compound with a group represented by the formula: -CH2CH...
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JP3522002B2 |
PURPOSE: To produce a cellulose ether low in degree of polymn. with a good accuracy of desired viscosity and degree of polymn. CONSTITUTION: The degree of polymn. after treatment of a cellulose ether as the starting material is calculate...
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JP2004107503A |
To provide a crosslinked body of a carboxymethyl cellulose obtained without using a crosslinking agent, an activator, a polyvalent metal ion, a reaction by-product or the like, and utilizable as a concrete material for a medical device u...
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JP3516358B2 |
PURPOSE: To provide a process for granulating and drying an alkali salt of carboxymethyl cellulose ether by which a dried powder with a uniform particle size is obtd. without generating a fine powder and which is applicable to a system c...
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JP3514422B2 |
To obtain a reactive derivative high in reactive rate, and so even without using catalyst, with little unreacted reactant and useful as cosmetic material by reacting a polysaccharide derivative contg. carboxyl group and soluble in an org...
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JP3509126B2 |
PURPOSE: To obtain the title compsn. which is biodegradable and has a high dynamic Young's modulus by adding a cellulose deriv. to a culture medium for producing a microbial cellulose and culturing a microorganism capable of producing ce...
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JP2004507586A |
The present invention relates to percarboxylated polysaccharide selected from the group consisting of gellan, carboxymethylcellulose, pectic acid, pectin and hyaluronic acid derivatives; the process for their preparation and their use in...
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JP2004026861A |
To provide a water-soluble cellulose ether of high filterability and its selection method.The water-soluble cellulose ether is characterized by containing not more than 350 pieces/2mL of undissolved fiber of the length between 16 μm and...
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JP2004500469A |
A superabsorbent polysaccharide can be obtained by crosslinking a polysaccharide or derivative thereof with at least 1 % by weight of a flexible spacer having a chain length of at least 9 chain atoms and having terminal activated couplin...
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JP3475567B2 |
PURPOSE: To obtain the subject base comprising an amorphous agar and a cellulose derivative and capable of imparting excellent handleability, controlling property of medicine release, binding (durable) property and swelling resistance du...
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JP3475115B2 |
To provide a method for producing sodium carboxymethyl cellulose having excellent dispersibility in aqueous solution. An etherification reaction is carried out with ±0.2 mol/C6H10O5 excessive alkali based on anhydrous glucose unit and a...
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JP2003327601A |
To provide a continuous process of manufacture and after-treatment of polysaccharide derivatives.(a) A suspension liquid flow consisting of a solid SE and a liquid phase LE is, as necessary, pre-heated at 185°C and continuously introduc...
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JP2003533559A |
The invention relates to a method for the production of cellulose ethers, whereby cellulose ethers having free hydroxyl groups are reacted with dicarboxylic and/or polycarboxylic acids and a nitrogen-containing compound. The process furt...
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JP2003533285A |
Disclosed are novel polysaccharide absorbents and method for providing a water-swellable, water-insoluble modified polysaccharide having preferred age-stable absorption properties. The novel polysaccharide absorbents and method provide a...
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JP2003532410A |
Esterified polysaccharides and the process of making such products are disclosed. The process can be enzymatic where an enzyme is used as a catalyst for the reaction. The process can also be chemical where no enzyme is used. Novel Produc...
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JP2003530441A |
(57) [Summary] The present invention is a hydrophobically modified cellulose derivative selected from the group consisting of hydrophobically modified hydroxyethyl cellulose, hydrophobically modified methylhydroxyethyl cellulose and hydr...
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JP3441338B2 |
To obtain the subject cosmetic capable of stably dispersing silicone oil into water, having good extension on skin and excellent in water resistance by including a water-soluble alkyl-substituted polysaccharide derivative, silicone oil a...
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JP2003523459A |
A condensation product of chitosan is formed by its reaction with a bisulfite addition compound HOCRR'SO3A wherein: each of R and R' independently represents a hydrogen atom, or R represents a hydrogen atom and R' represents an optionall...
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JP2003523237A |
Single phase gels for preventing the formation of surgical adhesions are disclosed. The gels are prepared by reacting an aqueous solution of a polyanionic polysaccharide, such as hyaluronic acid or carboxymethyl cellulose, with divinyl s...
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JP2003212901A |
To provide a carboxymethyl cellulose and a salt thereof.There are provided a carboxymethyl cellulose and a salt thereof, excellent in dispersion to water, which show 80 wt.% or more in the proportion of particles having a particle size o...
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JP3425147B2 |
A water insoluble biocompatible composition that is formed by a method which combines, in an aqueous mixture, a polyanionic polysaccharide and an activating agent, under conditions sufficient to form the composition; a nucleophile may al...
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JP2003183301A |
To provide a nonviscous liquid carboxymethyl cellulose (CMC) salt having low viscoelasticity and low spinnability.Kenaf pulp or pulp compounded with not less than 10 wt.% kenaf pulp is used as a raw material in a method of manufacturing ...
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JP2003176303A |
To obtain a carboxymethyl cellulose (CMC) salt having small amounts of black carbonized product and an organic solvent.In this method for producing a CMC salt by throwing a solvent- containing CMC salt into a dryer and drying, the amount...
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JP2003176302A |
To provide a method for industrially producing a methyl hydroxyalkyl cellulose and an apparatus therefor.This method for industrially producing a methyl hydroxyalkyl cellulose (MHAC) comprises reacting cellulose with an alkali metal hydr...
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