Matches 1 - 50 out of 201 1 2 3 4 5 >


Match Document Document Title
9024011 Processes for cross-linking cellulose ethers under mild conditions  
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...
8822675 Low-substituted hydroxypropylcellulose and solid preparation comprising the same  
Provided is nonionic and excellently stable low-substituted hydroxypropylcellulose having improved compressibility and flowability, and further having improved disintegration and texture in oral...
8487089 Associative water-soluble cellulose ethers  
The present invention relates to a water-soluble associative cellulose ether having a DP viscosity from 250 to 20,000 mPa·s, measured at a concentration of 1% by weight, and a molecular...
8138331 Water-dispersible polysaccharide derivatives of reduced glyoxal content, and a process for decreasing the glyoxal content in glyoxal-crosslinked polysaccharide derivatives  
A description is given of glyoxal-treated polysaccharide derivatives which, to decrease the unbound glyoxal, are treated with an aqueous solution of one or more water-soluble aluminium salts, or...
7402668 Process of preparing alkylhydroxyalkylcellulose  
A process of preparing alkylhydroxyalkylcellulose (e.g., methylhydroxyethylcellulose and methylhydroxypropylcellulose) by reaction of cellulose in the presence of alkali metal hydroxide with an...
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...
7319146 Nonionic cellulose ether and its use  
The present invention relates to a nonionic methyl ethyl hydroxyethyl cellulose ether having a flocculation temperature of 70-95° C., a DS-methyl of 0.1-0.8 and a DS-ethyl of 0.1-0.7. The...
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...
7244840 Admixture, extrudable hydraulic composition and method for the selection of admixture  
A nonionic water-soluble cellulose ether is characterized in that when 3 pbw of the nonionic water-soluble cellulose ether is added to a mixture of 90 pbw of cordierite, 10 pbw of ordinary...
7151173 Admixture, extrudable hydraulic composition and method for the selection of admixture  
A nonionic water-soluble cellulose ether is characterized in that when 3 pbw of the nonionic water-soluble cellulose ether is added to a mixture of 90 pbw of cordierite, 10 pbw of ordinary...
7098327 Dual-functional ion exchange resins from agricultural by-products  
A process for the production of dual-functional ion exchange resins from lignocellulosic agricultural material involving anionization of the lignocellulosic agricultural material with citric acid...
7005515 Process for preparing alkyl hydroxyalkyl cellulose ethers  
The process for preparing an alkyl hydroxyalkyl cellulose ether comprises the steps of: a) alkalizing cellulose to obtain alkali cellulose, b) reacting alkali cellulose with an alkyl halogenide...
6958393 Cellulose derivatives having gel-like rheological properties and process for the preparation thereof  
A description is given of cellulose derivatives having gel-like rheological properties in aqueous solution characterized in that: a) cellulose is alkalized with aqueous alkali metal hydroxide...
6939961 Method for the production of low-viscous water soluble cellulose ethers  
A process for preparing low-viscosity water-soluble cellulose ethers by the oxidative decomposition of higher-viscosity cellulose ethers with hydrogen peroxide is described. The process involves:...
6933381 Method of preparing modified cellulose ether  
Process for the production of polysaccharide ethers, e.g. cellulose ethers, are disclosed wherein salts formed during the process, e.g., sodium nitrate or sodium acetate, are converted to their...
6891034 Process for preparing alkylhydroxyalkyl cellulose  
Described is a process of preparing alkylhydroxyalkyl cellulose, e.g., methylhydroxypropyl cellulose (MHPC). The process includes: (a) alkylating cellulose with an aqueous caustic solution...
6843845 Admixture and extrudable hydraulic composition  
An admixture comprising (A) a nonionic water-soluble hydroxyethyl cellulose and/or hydroxyethyl ethyl cellulose having a viscosity of at least 500 mPa·s as measured in a 1 wt % aqueous solution at...
6602994 Derivatized microfibrillar polysaccharide  
A method for producing derivatized microfibrillar polysaccharide, including but not limited to cellulose, derivatized by steric and/or electrostatic forces, where the electrostatic forces are...
6531593 Method for production of cellulose derivatives and the resulting products  
Cellulose derivatives are formed by first crosslinking cellulose and subsequently reacting the crosslinked cellulose with a reagent capable of forming a cellulose ether or ester. Many crosslinking...
6525192 Low-substituted hydroxypropyl cellulose and process for producing same  
The present invention provides a low-substituted hydroxypropyl cellulose having a loose bulk density of not less than 0.40 g/mL and a tap bulk density of not less than 0.60 g/mL and a process for...
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,...
6380381 Low-substituted hydroxypropyl cellulose  
The present invention provides low-substituted hydroxypropyl cellulose exhibiting good granulation characteristics and tablet properties. Specifically, there is provided low-substituted...
6320043 Process for preparing fine-particle polysaccharide derivatives  
The invention relates to a new, particularly economic process for preparing pulverulent polysaccharide derivatives, in particular cellulose derivatives, having a thermal flocculation point; the...
6313287 Water-soluble, sulfoalkyl-containing, hydrophobically modified cellulose ethers, processes for preparing them, and their use in emulsion paints  
Water-soluble sulfoalkyl-containing hydrophobically modified cellulose ethers, processes for preparing them, and their use in emulsion paintsThe present invention relates to water-soluble ionic...
6261218 Process and apparatus for making low molecular weight cellulose ethers  
There is a process for making a cellulose ether. The process comprises the following: a) alkalyzing a cellulose pulp; b) etherifying the alkalyzed cellulose pulp to form a cellulose ether; c)...
6248880 Nonionic cellulose ether with improve thickening properties  
The present invention relates to associative cellulose ethers with improved thickening effects, especially in paint. The improvement depends on the presence of a hydrophobic modifying group of the...
6201070 Method for enhancing the toughness of cycloaliphatic epoxide-based coatings  
Methods are disclosed for enhancing the toughness, e.g., resistance to cracking upon flexation, of coatings made from cycloaliphatic epoxide derivatives wherein the cycloaliphatic epoxide...
6166119 Flowability additive  
PCT No. PCT/EP97/06945 Sec. 371 Date Apr. 14, 1999 Sec. 102(e) Date Apr. 14, 1999 PCT Filed Nov. 28, 1997 PCT Pub. No. WO98/24734 PCT Pub. Date Jun. 11, 1998A cement pumpability-enhancing additive...
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...
6068697 Polysaccharide derivatives and hydraulic compositions  
A polysaccharide derivative prepared by replacing all or part of the hydroxyl hydrogen atoms of a polysaccharide or polysaccharide derivative by (A) a hydrophobic substituent having a C8 -C43...
6054511 High solids low viscosity polysaccharides  
Hydroxyethylcellulose (HEC), hydrophobically modified hydroxyethylcellulose (HMHEC), hydroxypropylcellulose (HPC), methylhydroxypropylcellulose (MHPC), carboxymethylhydroxyethylcellulose (CMHEC),...
5994531 Cellulose ethers containing 2-propenyl groups and use thereof as protective colloids in polymerizations  
Water-soluble, nonionic cellulose ethers selected from the group consisting of alkylcelluloses and hydroxyalkylcelluloses having an average degree of polymerization of less than 900 which is...
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...
5840882 Process for preparing cellulose ethers with recovery of alkali  
Cellulose ethers which contain hydroxyalkyl groups are prepared, with the recovery of sodium hydroxide, by cellulose being etherified with alkylene oxide in a water-containing organic suspension...
5837864 Method for producing a suspension in water of a cellulose ether, and dry mixture suitable for use in the production of the suspension  
In a method of producing a suspension of a nonionic cellulose ether that has no turbidity point, the water forming part of the suspension is mixed with a dry mixture containing a cellulose ether,...
5827835 Thermally-gelling emulsions  
Thermally gelling emulsion compositions which reversibly increase in either loss modulus or storage modulus, or both, upon contact with the eye, skin, mucous membrane or body cavity are disclosed....
5814141 Liquid crystalline cellulose (ether) ethers as interferentially effective chromophoric substances  
The invention relates to a liquid crystalline, photo cross-linkable main-chain polymer used as interferentially effective, chromophoric substance for colored paints, in which the main mesogenic...
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...
5770528 Methylated hydroxypropylcellulose and temperature responsive products made therefrom  
The present invention is directed to a method of producing methylated hydroxypropylcellulose (m-HPC). By controlling the degree of methylation, one can manipulate the lower critical solution...
5743949 Stable aqueous wax dispersions  
The present invention relates to stable aqueous wax dispersions comprising A) 5 to 65% by weight of microized wax and B) 0.01 to 7% by weight of polymeric carbohydrate derivatives as dispersing...
5719274 Process for the preparation of low molecular weight cellulose ethers  
Low molecular weight cellulose ethers which are suitable as a coating material for solid metered units and as an additive in ceramic compositions or cosmetics formulations or as a polymerization...
5591844 Alkyl hydroxyalkyl cellulose ethers containing sulfoalkyl groups  
The present invention relates to alkyl hydroxyalkyl cellulose ethers which contain a sulfoalkyl group as a further substituent, to a process for the preparation of these cellulose ethers and to...
5500124 Process for the purifying working-up of reaction media and/or wash media obtained during preparation of cellulose ethers  
The invention relates to a process for the purifying working-up of liquid reaction media and/or wash media obtained during preparation of cellulose ethers, which are insoluble in hot water, from...
5493013 Process for preparing cellulose ethers with cyclic ethers as suspending agents  
Process for preparing cellulose ethers with cyclic ethers as suspending agents. The present invention relates to a process for preparing cellulose ethers from cellulose and alkylating agents, in...
5488104 Process for comminuting cellulose ethers  
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...
5463037 Process for producing mixed cellulose ether  
A process for producing a mixed cellulose ether comprising reacting a starting cellulose ether with an etherifying agent is disclosed, wherein said starting cellulose ether comprises at least 18...
5407919 Double-substituted cationic cellulose ethers  
Double-substituted, water-soluble, cellulose ethers substituted with a cationic substituent and a hydrophobic substituent are disclosed. The levels of substitution for the cationic substituent and...
5395930 Alkyl hydroxyalkyl cellulose ethers containing sulfoalkyl substituents  
The present invention relates to alkyl hydroxyalkyl cellulose ethers which contain a sulfoalkyl group as a further substituent, to a process for the preparation of these cellulose ethers and to...
5385607 Water-soluble sulphoalkyl hydroxyalkyl derivatives of cellulose and their use in gypsum- and cement-containing compounds  
The invention relates to a new class of water-soluble ionic cellulose derivatives and their use as additive for gypsum- and cement-containing compounds.
5360902 Process for producing methyl hydroxyalkyl cellulose ethers  
The present invention relates to a process for producing methyl hydroxyalkyl cellulose ethers by alkalisation and etherification of celluloses, rinsing the methyl hydroxyalkyl cellulose ethers...

Matches 1 - 50 out of 201 1 2 3 4 5 >