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7951936 Crosslinked polysaccharide sponge  
A process for producing a polysaccharide sponge comprises the steps of (A) freezing a photoreactive polysaccharide solution, and (B) irradiating the frozen photoreactive polysaccharide solution...
7833384 Method for making fiber having biodegradable superabsorbent particles attached thereto  
A method for making fibers having particles attached thereto, comprising blending a carboxyalkyl cellulose and a starch in water to provide an aqueous gel; treating the aqueous gel with a first...
7700747 Crosslinked polysaccharide sponge  
A process for producing a polysaccharide sponge comprises the steps of (A) freezing a photoreactive polysaccharide solution, and (B) irradiating the frozen photoreactive polysaccharide solution...
7541396 Method for making carboxyalkyl cellulose  
Methods for making the carboxyalkyl cellulose.
7351422 Hemostatic soluble cellulose fibers containing coagulating protein for treating wound and process for producing the same  
Proposed is a novel soluble trauma-healing and hemostatic cellulose fiber capable of absorbing and readily dissolving hemorrhaging trauma loci when applied thereto and of promoting the hemostatic...
7262181 Water soluble cellulose etherified derivatives styptic materials  
The present invention relates to hemostatic materials made of water-soluble cellulose ether derivatives, such as methylcellulose, ethylcellulose, hydroxyethylcellulose, and pharmaceutically...
6846924 Method of producing an absorbent material, an absorbent material and absorbent articles including the material in question  
The present invention relates to a method of producing polysaccharide fibres (8), wherein the polysaccharide is dissolved and the solution is sprayed into a bath (7) which contains a water-miscible...
6686341 Nutritional compositions which contain slightly negatively charged, non-digestible polysaccharides and use thereof for reducing transport through tight junctions  
A nutritional composition which contains slightly negatively charged non-digestible polysaccharides having a molecular weight of 8 kD to 40,000 kD, characterized in that the rise in the viscosity...
6669863 Anionic cellulose ethers having temperature-dependent associative properties  
An anionic cellulose ether obtainable by a process comprising reacting an alkali metal cellulose with one or more reagents A selected from the group consisting of haloacetic acids, alkali metal...
6610669 Water insoluble derivatives of polyanionic polysaccharides  
A water insoluble, biocompatible gel is prepared by reacting carboxymethylcellulose and a carbodiimide, wherein the reaction is conducted in an aqueous medium containing a water miscible organic...
6593468 Essentially fiber-free cellulose ether with improved water retention, method for the production and use thereof  
This invention relates to a process for producing a substantially fiber-free carboxymethyl cellulose which predominantly exhibits elastic properties, to the use thereof as a superabsorbent...
6482876 Agglomerates for the production of an aqueous binder system  
The invention relates to an agglomerate containing at least one of the following water-soluble or water-dispersible materials as a bonding base polymer: carboxylized and/or alkoxylized starch,...
6111011 Cellulose ethers containing butenyl groups and use thereof as protective colloids in polymerizations  
Water-soluble, nonionic cellulose ethers selected from the group consisting of alkylcelluloses and hydroxyalkylcelluloses which are additionally substituted by butenyl groups are used as protective...
5898072 Aqueous suspension of a cellulose ether, method for the production thereof, and composition  
The invention concerns an aqueous suspension of a non-ionic, water-soluble cellulose ether cross-linked with glyoxal, in the presence of an electrolytic salt which gives a pH value below 8.0 in...
5808052 Use of cellulose mixed ethers as additives for earth pressure shields  
The present invention relates to water-soluble, particularly ternary, preferably ionic, cellulose mixed ethers, more particularly to anionic water-soluble cellulose mixed ethers, as additives for...
5804166 Low VOC hair sprays containing cellulose ethers  
Disclosed are hair spray compositions containing non-ionic cellulosic ethers in a solvent base containing water and volatile organic solvent wherein the level of volatile organic solvent in the...
5801239 Process for the preparation of alkali salt of carboxy alkyl cellulose  
This invention relates to a process for the preparation of alkali salt of carboxyalkyl cellulose with good solubility in salt water which is useful for pertroleum drilling muds, which comprises (a)...
5589589 Process for screening cellulose ethers  
A process and apparatus for screening cellulose ethers which have a finely fibrous or wad-like or woolly structure, wherein the process comprises the following steps: a) applying the cellulose...
5521100 Method of determining the molecular weight distribution of carboxymethylcellulose or a salt thereof  
The molecular weight distribution of carboxymethylcellulose or its salt is determined by gel permeation chromatography using a metal-amine complex and/or a metal-alkali complex as the mobile phase...
5519130 Purification process by decomposition of haloalkanolic acid with dehalogenase  
Haloalkanoic acid impurities are decomposed in the presence of certain surfactants carboxymethyl cellulose or thioglycollic acids salts which may contain them as unconverted reactants by contacting...
5476668 Base for film-coating pharmaceuticals and method for preparing same  
A cellulose ether having a low degree of polymerization is used as a base for film-coating pharmaceuticals. The cellulose ether having a low degree of polymerization obtained by causticizing a pulp...
5463036 Carboxymethylcellulose and its use in textile printing  
The present invention relates to carboxymethylcellulose (CMC) having a lower degree of substitution and to its use in textile printing.
5455341 Highly substituted carboxymethyl sulfoethyl cellulose ethers (CMSEC), a process for their production and their use in textile printing  
The invention relates to certain highly substituted carboxymethyl sulfoethyl cellulose ethers (CMSEC), to a simplified and economic process for their production and to their use as thickeners in...
5442054 Highly substituted sulphoalkycellulose derivatives, especially sulphoethycellulose ether, a process for their preparation and their use as thickening agent for textile printing pastes  
The present invention relates to sulphoalkylcellulose derivatives, in particular sulphoethylcellulose, with a degree of substitution by sulphoethyl groups of 1.2 to 2.0 using a one- to three-step,...
5358561 Use of water-soluble sulphoalkyl derivatives of cellulose in gypsum-and cement-containing compounds  
The invention relates to water-soluble ionic cellulose derivatives and their use as additives for gypsum- and cement-containing compounds.
5346542 Aqueous dispersion of enteric polymers and a method for producing the same  
A novel polymer aqueous dispersion of enteric cellulose derivatives without ester bonded substituents, of which anionic functional groups form salts with cations. The aqueous dispersion of the...
5324717 Therapeutical composition comprising hydrolyzed carboxylalkyl cellulose  
A therapeutical composition comprising hydrolyzed carboxyalkyl cellulose, wherein alkyl is methyl, ethyl or propyl, optionally in salt form, which hydrolyzed carboxyalkyl cellulose has a mass...
5247072 Carboxyalkyl polysaccharides having improved absorbent properties and process for the preparation thereof  
Disclosed is a method for producing a water-swellable, generally water-insoluble, carboxyalkyl polysaccharide having improved absorption properties. The method involves forming a solution of...
5245024 Cellulose chromatography support  
This invention relates to an improved cellulose chromatography support and, in particular, to substantially spherical, high density cellulose particles. This invention also relates to a method of...
5218107 Removal of undesirable material from water-soluble cellulose ether aqueous solutions  
This invention is a process of removing water-soluble impurities from a water-soluble cellulose ether aqueous solution containing such water-soluble impurities comprising treating an aqueous...
5196527 Porous ion-exchanged fine cellulose particles, method for production thereof, and affinity carrier  
This invention relates to ion-exchanged fine cellulose particles, porous fine cellulose particles which can be advantageously used as an affinity carrier, and methods of production thereof. These...
5166336 Method for production of a corn milling residue carboxymethyl ether salt  
A process for producing a corn milling residue carboxymethyl ether salt comprises reacting a corn milling residue with alkali in the presence of an aqueous carboxymethylating agent solution to give...
5093489 Modified chitin for biocompatible dialysis membranes IV and process for preparation of modified cellulose and modified chitin for use therewith  
A modified cellulose and/or chitin for biocompatible dialysis membranes having a structure represented by the formula ##STR1## wherein Cell is cellulose or chitin, in each case without hydroxyl...
5071657 Device for transdermal administration of active medicinal agents  
A device for transdermal administration of active medicinal agents is based on the active medicinal agent dissolved to an extent of at least 50% in a nonflowable, physiologically acceptable gel,...
5055570 Cuprammonium-stable cellulose esters and carbamates for dialysis membranes  
A cellulose derivative comprising substitution-modified cellulose regenerated from a cuprammonium solution, the substituents being ester groups, wherein the acyl group represents one or more,...
5013832 Process for working up water-soluble cellulose derivatives having high flocculation points  
A process for working up water-soluble cellulose derivatives, more especially with flocculation points above 85° C., after removal by condensation of readily volatile constituents of the crude ...
5008385 Cellulose derivatives and fibers and membranes made therefrom  
Cellulose derivatives are disclosed which have the following formula: ##STR1## wherein Z is selected from the group consisting of alkylene, alkenylene, alkynylene, cycloalkylene or benzylene or...
5001232 Carboxymethylsulphoethyl celluloses and a process for their preparation  
Improved water soluble carboxymethylsulphoethyl celluloses may be obtained by suspending cellulose, adding compounds which transfer sulphoalkyl and carboxymethyl and then etherifying after...
5001231 Invert emulsion polysaccharide slurry  
Carboxymethylhydroxyethyl (CMHEC), starch and guar are preferred polysaccharides providing at least a 1% solution viscosity of 1000 cps at 25 C. An invert emulsion for oil drilling or paper...
4988806 Nitrogen-containing derivatives of carboxymethylcellulose, their synthesis and their use in cosmetic preparations  
Derivatives of carboxymethylcellulose are disclosed in which all or a portion of the carboxymethyl groups are replaced by groups of the general formula ##STR1## in which R1 is a hydrogen or methyl...
4976885 Liquid preparations for cleaning hard surfaces  
Liquid preparations for cleaning hard surfaces based on anionic surfactants either individually or in combination with nonionic surfactants or amphoteric surfactants, or nonionic surfactants either...
4972007 Use of cellulose derivatives in drilling fluids  
Cellulose derivatives which are substituted in a specified manner by both carboxyalkyl groups and sulphoalkyl groups which are suitable in drilling fluids.
4963666 Material of polysaccharides containing carboxyl groups, and a process for producing such polysaccharides  
Method of crosslinking carboxyl-containing polysaccharides in that the polysaccharide is at first activated with a bi- or polyfunctional reagent, and then after removal of any potential excess of...
4942128 Microbial cellulose modified during synthesis  
The present invention involves a method of producing cellulose. This method comprises inoculating a quantity of nutrient medium comprising a polysaccharide derivative such as carboxymethylcellulose...
4941943 Process for preparing sodium carboxy-methyl cellulose  
The invention relates to a method and an equipment for preparing NaCMC, in which (a) cellulose is slushed in the reaction medium until a consistency of c. 5-15%, preferably 5-10%, (b) the fibre...
4940785 Method of preparing cellulose ethers containing tertiary or quaternary nitrogen  
A method for preparing cellulose ethers containing tertiary or quaternary nitrogen by reacting alkylene epoxides with cellulose or its derivatives in an alkaline medium in the presence of water....
4877617 Fungicidal and bactericidal method  
A fungicidal and bactericidal method of imparting fungicidal and bactericidal properties to an article by coating or impregnating the article with a solution of a quaternary ammonium salt of...
4865640 Moisturizing agent  
A moisturizing substrate for plant and animal tissue utilizing a mixture of cellulosic compound with carboxylic groups substituted on glucose units of cellulosic chain through an ether linkage. The...
RE32976 Sodium carboxymethylcellulose  
Sodium carboxymethylcellulose is disclosed wherein the average degree of substitution (DS) of carboxymethyl groups per anhydroglucose unit is in the range of 0.4 to 1.6, the number-average degree...
RE32875 Process for the froth-flotation of a phosphate mineral from a phosphate-carbonate ore  
A process for the separation of phosphate minerals from a phosphate-carbonate ore, by flotation, wherein a phenol polymer such as a resol or a novolak, which improves the yield and selectivity of...
Matches 1 - 50 out of 150 1 2 3 >