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Matches 401 - 450 out of 2,157

Document Document Title
WO/1994/024169A1
The invention pertains to a process for the amidation of a material having at least one carboxyl-containing polysaccharide. The provided process involves a first step in which the carboxyl groups are reacted with an ammonium donor of the...  
WO/1993/020223A1
Haloalkanoic acid impurities are decomposed in the presence of certain surfactants carboxymethyl cellulose or thioglycollic acid salts which may contain them as unconverted reactants by contacting them with dehalogenase enzyme.  
WO/1993/013135A1
This invention is a process of removing water-soluble ionic impurities from a cellulose ether aqueous solution containing such water-soluble ionic impurities comprising treating an aqueous solution comprising a cold water-soluble, therma...  
WO/1993/008217A1
A process is disclosed for removing cellulose ether and other cellulose derivates from an aqueous solution/suspension. An effective and economical process that allows a considerably higher amount of cellulose derivate to be recovered fro...  
WO/1992/022587A1
The invention concerns alkyl ethers and/or alkyl esters of certain cell-wall polysaccharides whose alkyl chains can include ether groups and can be substituted with hydroxy, carboxyl and/or trialkylammonium groups. The invention also con...  
WO/1992/020349A1
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 a...  
WO/1992/019652A1
A synthesis is described for the preparation of cationic polymer materials with a semisynthetic matrix, having superabsorption characteristics towards water and saline solutions. More particularly, cellulose cationic derivatives are desc...  
WO/1992/003167A1
A coating base for pharmaceutical film, which comprises lowly polymerized cellulose ether, preferably a highly white one prepared by causticizing a pulp with a copper number of 0.4 g or less, adding an etherifying agent thereto to form a...  
WO/1991/016906A1
A therapeutical composition comprises hydrolyzed carboxyalkyl cellulose, wherein alkyl is methyl, ethyl or propyl, optionally in salt form, which hydrolyzed carboxyalkyl cellulose has a mass average molecular mass (M(Boolean not)w) from ...  
WO/1991/014709A1
Disclosed is a process for preparing cellulose esters utilizing an acyl anhydride and trifluoroacetic anhydride as an impelling agent. The invention includes formation of a cellulose triester optionally followed by a hydrolysis step. Add...  
WO/1991/005807A1
A composite of carboxyalkyl ether of polysaccharide with magnetic metal oxide, which is very excellent in storage stability in the form of aqueous sol, lowly toxic, and useful as a medical material such as a nuclear medicine imaging agent.  
WO/1990/010495A1
The present invention features methods of making absorbent material which exhibit excellent absorption for saline and other liquids as well as being biodegradable. The methods of the invention form a particulate which can be stored in dr...  
WO/1990/010426A1
A new superabsorber which gels and cross-links as hydrated has been developed. The superabsorber contains a branched-chain polyanionic carbohydrate such as carboxymethylcellulose, a cross-linking agent, and a hydrophobic carboxylic acid....  
WO/1989/010940A1
New polysaccharide esters are disclosed, and more precisely esters of acidic polysaccharides chosen from the group formed by carboxymethylcellulose, carboxymethyl starch and carboxymethylchitin. These new esters and some esters of the ty...  
WO/1989/010941A1
Inter and/or intramolecular cross-linked esters of acid polysaccharides are disclosed in which a part or all of the carboxy groups are esterified with hydroxyl groups of the same molecule and/or of different molecules of the acid polysac...  
WO/1989/008119A1
Biolabile prodrug compounds of the formula (1): PS-O-A-(CH2)n-B-D, wherein PS-O represents an alkoxide residue of any of the free hydroxy groups of a polysaccharide (PS-OH) compound with molecular weight (Mw) of from 40,000 to 5,000,000 ...  
WO/1988/007059A1
A process for making a cellulose ether (eg HEC) having improved bioresistance is provided. The process consists of two stages, in a first stage cellulose is etherified in the presence of a boron containing compound to an MS value in the ...  
WO/1988/002375A1
A process for reducing the dust content of cellulose ethers comprises reacting the cellulose ether with an aggregating agent comprising (1) a polypropylene glycol or a propoxylated alcohol and (2) an ethylene oxide/propylene oxide copoly...  
WO/1986/004621A1
A fibrous, cationic cellulose pulp product and the method for preparing it. A water suspension of cellulosic fiber is treated under alkaline conditions with a polymer of epichlorohydrin and dimethylamine. Up to 30 molar percent of the DM...  
WO/1980/002374A1
Composition for the controlled release administration of a biologically active compound to an animal, comprising a combination of the biologically active compound and hydroxyalkyl starch.  
JP2017165832A
[Subject] Hypoviscosity also provides and uses hydroxypropyl methylcellulose which has high heat gel strength. [Means for Solution] Viscosity of 2 mass % solution at 20 °C is 300 - 2, 000 mPa-s, and a storage modulus at 85 °C provides ...  
JP2017165723A
[Subject] In coating of particulates etc., adhesion is low, and it is hard to generate an aggregate, and provides a constituent for coating containing that uniform coating is possible and there is methyl cellulose which can prepare a con...  
JP6199858B2  
JP6198243B2  
JP6199959B2  
JP2017160305A
[Subject] A valuation method which can judge easily existence of a foreign substance in cellulose nanofiber dispersion liquid which cannot be judged visually is provided. [Means for Solution] A process for which dispersion liquid of cell...  
JP2017160418A
[Subject] Offer of property modification cellulose which has chemical resistance and raised adsorption performance of a living body ingredient. [Means for Solution] Property modification cellulose whose Mol replacement ratio of 4-alkylam...  
JP6194736B2  
JP6195417B2  
JP2017149901A
[Subject] When it uses as a binder for electrodes of a nonaqueous electrolyte secondary battery, while controlling a defect of electrode surfaces, such as a pinhole, carboxymethyl cellulose which is excellent in a capacity maintenance ra...  
JP2017145320A
[Subject] A polymerization compound which can form hardened materials (for example, template for imprint fabrication, etc.) which have high gas permeability is provided. [Means for Solution] A compound replaced by at least one sort of po...  
JPWO2016068053A1
It aims at providing the method of manufacturing a polysaccharide derivative by etherification or etherification with a high molecular weight maintained by using polysaccharide, such as cellulose, as materials, without using a catalyst, ...  
JP6178603B2  
JP2017133037A
[Subject] Provide the method that the detailed cellulose fiber by which the hydrophobic group, the cationic machine, or the anionic machine is introduced into cellulose can be manufactured by high yield. [Means for Solution] A manufactur...  
JP6172507B2  
JP6174806B2  
JP2017520674A
The present invention relates to the method of embellishing polysaccharide. This method is about the polysaccharide (a) Existing under existence (X*R*C (O) NH) of a base (preferably it is the combination of water and isopropanol) (base),...  
JP2017128629A
[Subject] A method of manufacturing hydroxypropylcellulose which is excellent in water solubility is provided maintaining a high reaction selection rate by a simple method. [Means for Solution] It is a manufacturing method of hydroxyprop...  
JP6163339B2  
JP6158312B2  
JP6155415B1
A subject of the present invention is obtaining a master batch in which cellulose nanofiber was uniformly distributed within a system. According to the present invention, a master batch is produced by mixing with rubber latex cellulose n...  
JPWO2016031449A1
It aims at providing carboxymethyl cellulose salt for electrodes of a nonaqueous electolyte rechargeable battery compatible [prevention of a defect of a stripe or a pinhole of the electrode Coating surface, adhesive strength to an outsta...  
JP2017105794A
[Subject] Offer of a compound used as the Gia Min crosslinking agent which can create an acid multi-sugar bridge construction object of a biomedical material use which has all the efficiency and decomposition evanescence of simplicity an...  
JP6146115B2  
JP2017095664A
[Subject] CNF dry solid matter which dried cellulose nanofiber (CNF) dispersion liquid in which the present invention is distributed stably, Physical properties, such as viscosity of CNF dispersion liquid which water was made to re-distr...  
JP6139404B2  
JP2017088733A
[Subject] A method of manufacturing hydroxypropylcellulose solution in which the heat coherence of hydroxypropylcellulose was reduced is provided. [Means for Solution] A mass ratio of hydroxypropylcellulose powder to carboxymethylcellulo...  
JP2017088722A
[Subject] Offer of a fluorine-containing cellulose ether composite using fluorine-containing alcohol which has a unit which is emitted into environment, and does not generate perfluoro octanoic acid etc., but is easy to be decomposed int...  
JP6133773B2  
JP6132311B2  

Matches 401 - 450 out of 2,157