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Matches 401 - 450 out of 2,205

Document Document Title
WO/1997/022627A1
An improved process for surface treating water-soluble cellulosic polymers with cross-linking agents to provide products which are more readily dispersible in cold water, and have longer viscosity delay times than can be achieved with po...  
WO/1997/016595A1
The invention relates to paper and similar products made with at least a portion of the papermaking furnish being essentially water insoluble carboxyethyl cellulose fibers. A cationic additive material, such as a polyamide epichlorohydri...  
WO1996040168A3  
WO/1996/040168A2
Hydroxyethyl starch (HES) and use thereof in methods are provided for reducing or preventing adhesion formation between tissue surfaces, e.g., organ surfaces, in body cavities following surgical procedures and for drug delivery. HES may ...  
WO/1996/038484A1
The invention relates to oxidized polymeric carbohydrate ethers or mixtures thereof with a degree of polymerization of at least 10. These compounds possess an excellent sequestering and anticrustation activity and are therefore used with...  
WO/1996/026220A1
Cellulose particles that have cationic groups also on the inside.  
WO/1996/015154A1
The invention relates to a cationic polysaccharide, preferably in fibrous form, having superabsorbent characteristics, the polysaccharides being substituted by quaternary ammonium groups and having a ds of at least 0.5, preferably 0.5 to...  
WO/1996/014851A1
The invention relates to a method for reducing serum cholesterol levels in a patient which comprises administering to the patient an effective amount of a cationic cellulose derivative having quaternary ammonium groups attached to the ce...  
WO/1996/006864A1
A method is described for the chemical modification of pre-shaped hydrogels in non-aqueous medium. The conditions permit the reaction of highly expanded, porous hydrogel particles, such as spherical beads, using pseudo homogeneous reacti...  
WO/1996/000748A1
This invention is a process for comminuting a cellulose ether which comprises extruding a hydrated cellulose ether through a plurality of orifices, each orifice having a cross-sectional area of from 7.5 x 10-9 m2 to 1 x 10-6 m2, to form ...  
WO/1995/025127A1
A process for recovering salable cellulose ether solids in an aqueous slurry from a reactor wherein such cellulose ether solids are produced, or in an aqueous slurry from a centrifuge or filter wherein a portion of the cellulose ether so...  
WO/1995/018833A1
Polysaccharide derivatives containing unsaturated substituents and aromatic substituents, and their use for preparing stationary chiral phases suitable for separating isomers of chemical compounds, are disclosed.  
WO/1995/015342A1
Cellulose is reacted with a carboxymethylating agent to form a lightly carboxymethylated cellulose having a degree of substitution such that it is not soluble in water, for example up to 0.4 carboxymethyl group per anhydroglucose unit. T...  
WO/1995/011925A1
Disclosed is a method for producing a water-swellable, generally water-insoluble modified polysaccharide having improved age-stable absorption properties. The method involves forming a mixture of a modified polysaccharide, water, and, op...  
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.  
JP2018048289A
【課題】サーモトロピックコレステリック液 晶性を示し、弾性を有し、ブラッグ反射の波 長で配向が固定化された液晶フィルムを製造 し得る液晶材料を提供する。【解決手段...  
JP2018044096A
[Subject] Offer of a thermosetting resin composition excellent in a low thermal expansion coefficient etc. [Means for Solution] Detailed fibriform cellulose which fills following (A) - (E), and a thermosetting resin composition containin...  
JP2018044098A
[Subject] Offer of a coating agent excellent in a low line thermal expansion coefficient etc. [Means for Solution] The following conditions (A) Detailed fibriform cellulose which fills - (E), and coating agent containing a monomer. (A) P...  
JP6294331B2  
JPWO2016186055A1
The present invention provides the anion denaturation cellulose nanofiber dispersion liquid and the constituent which are not colored at the time of heating. The dispersion liquid concerned contain concretely color protection agent; chos...  
JP6288304B2  
JP2018505269A
The process for generating the water-soluble cellulose derivative of content in which insoluble in water particles decreased, a) The step which makes cellulose react to an alkaline substance and generates alkali cellulose, b) The step wh...  
JP2018028002A
[Subject] If it uses in the wet Granulation method, hydroxypropylcellulose which can manufacture a tablet which can manufacture Granulated material of a moderate diameter of a particle, and is excellent in unity and disintegration is pro...  
JP2018024735A
[Subject] Provide a film which hardened an insulating material constituent and the insulating material constituent for manufacturing an organic thin film transistor with high mobility. [Means for Solution] The following high molecular co...  
JP2018024736A
[Subject] Provide a method of manufacturing a resin compound object which a high molecular compound which has a repeat unit which contains a glucose Remaining machine in a main chain distributed uniformly in binder resin. [Means for Solu...  
JP2018503726A
When swelling the present invention in imitation gastric juice / water (1:8), and imitation intestinal juice, it provides the bridge construction carboxymethyl cellulose having the rate of high elasticity, and absorptance. In order that ...  
JP6276489B1
It makes to provide providing a rubber composition with sufficient reinforcement nature and fatigue resistance, even when a big distortion is given into a subject, and at least one copy of carboxyl group content denaturation cellulose na...  
JP6271318B2  
JP6271817B1
A process for generating a water-soluble cellulose derivative of content in which insoluble in water particles decreased is provided with the following. a) A step which makes cellulose react to an alkaline substance and generates alkali ...  
JP6267078B2  
JP6259717B2  

Matches 401 - 450 out of 2,205