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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...
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 Portland...
7229977 Composition for soluble films with a new hydrolyzed polysaccharide  
The invention is concerned with film-forming compositions containing hydrolysates of the exopolysaccharide YAS34 for the use in pharmaceutical, veterinary, food, cosmetic or other products like...
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 Portland...
7022837 Cellulose ethers and method of preparing the same  
The present inventors have discovered that the solution rheology of cellulose ethers prepared from cellulose pulp is altered by mercerizing and recovering cellulose pulp before preparing the...
7009046 Low-substituted hydroxypropyl cellulose and agent serving both as binder and disintegrant for dry direct compression  
Provided is an agent serving as a binder and a disintegrant for dry direct compression having a high binding property and fluidity. More specifically, provided are low-substituted hydroxypropyl...
6958394 Cellulose ester film  
A cellulose ester film is disclosed which comprises a polyhydric alcohol ester, which is an ester of one or more kinds of monocarboxylic acids with an aliphatic polyhydric alcohol, wherein the...
6914139 Solution of cellulose acylate dissolved in mixed solvent of ketone and ester  
In a cellulose acylate solution, cellulose acylate is dissolved in an essentially non-chlorinated solvent. The essentially non-chlorinated solvent is a mixture of a ketone having a solubility...
6730636 Environmentally acceptable well cement fluid loss control additives, compositions and methods  
Environmentally acceptable well cement fluid loss control additives, cement compositions including the additives and methods of using the compositions are provided. The environmentally acceptable...
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...
6294008 Haze-free cellulose ether capsules and process for making  
Disclosed is a cellulose ether composition having a low molecular weight cellulose ether of a viscosity of about 200 centipoise or less in a two percent aqueous solution at 20° C. The composition...
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)...
6229009 Polycarboxylic based cross-linked copolymers  
A cross-linked copolymer based on at least one non-crosslinked polycarboxylic polysaccharide and at least one second non-crosslinked polycarboxylic polymer which is not a polycarboxylic...
6166119 Flowability additive  
6103704 Therapeutic methods using hyaluronic acid  
A method of accumulating a drug and a form of hyaluronic acid in the skin and/or exposed tissue of a human includes topically administering a therapeutically effective dosage amount of a...
6069135 Use of hyaluronic acid or its derivatives to enhance delivery of therapeutic agents  
A pharmaceutical composition is provided comprising: (1) an agent selected from a medicinal agent and a therapeutic agent and combinations thereof in a therapeutically effective amount to treat...
6054511 High solids low viscosity polysaccharides  
Hydroxyethylcellulose (HEC), hydrophobically modified hydroxyethylcellulose (HMHEC), hydroxypropylcellulose (HPC), methylhydroxypropylcellulose (MHPC), carboxymethylhydroxyethylcellulose (CMHEC),...
5998606 Mn(IV)-mediated crosslinking and functionalization of chromatography media  
Novel methods are described to synthesize chromatography media. The methods describe a crosslinking procedure utilizing the catalytic effect of MnO(OH) 2 in obtaining a very rigid matrix. The...
5985850 Compositions comprising hyaluronic acid and drugs  
A dosage amount of a pharmaceutical composition comprising a therapeutically effective amount of an agent to treat a disease or condition involving underperfused tissue and pathological tissue in...
5792753 Compositions comprising hyaluronic acid and prostaglandin-synthesis-inhibiting drugs  
A topically administrable pharmaceutical composition is disclosed which comprises a therapeutically effective amount of a drug which inhibits prostaglandin synthesis, and an amount of a form of...
5770711 Polysaccharides substituted with polycarboxylated moieties  
A derivatized polysaccharide in which at least a portion of the active hydrogens originally present in the polysaccharide are substituted by monovalent aliphatic groups containing at least two...
5639738 Treatment of basal cell carcinoma and actinic keratosis employing hyaluronic acid and NSAIDs  
A method of treating a mammal for a condition of the skin or exposed tissue selected from the group consisting of basal cell carcinoma and actinic keratosis is provided. The method consists...
5612321 Antioxidant grafted polysaccharides  
Grafted polysaccharide compositions comprising polysaccharides grafted with antioxidants on at least one hydroxyl group of the polysaccharide. The use of antioxidant grafted polysaccharides or...
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...
5583214 Dual functional cellulosic additives for latex compositions  
Cellulose ether derivatives comprising a hydrophobic substituent having an unsaturated alkyl portion are disclosed. The unsaturation in the alkyl portion of the hydrophobic substituent can promote...
5498705 Modified polysaccharides having improved absorbent properties and process for the preparation thereof  
Disclosed is a method for producing a surface-crosslinked, modified polysaccharide having improved absorption properties. The method involves forming a mixture of water and a crosslinking agent,...
5480984 Process of preparing high solids low viscosity polysaccharides  
Hydroxyethylcellulose (HEC), hydrophobically modified hydroxyethylcellulose (HMHEC), hydroxypropylcellulose (HPC), methylhydroxypropylcellulose (MHPC), carboxymethylhydroxyethylcellulose (CMHEC),...
5470964 Process for the preparation of modified polysaccharides having improved absorbent properties  
Disclosed is a method for producing a surface-crosslinked, modified polysaccharide having improved absorption properties. The method involves forming a mixture of water and a crosslinking agent,...
5181958 Aqueous emulsions of polyisocyanates and process for preparing them  
Aqueous emulsions of polyisocyanates comprising at least one cellulose derivative dissolved in water, and at least one polyisocyanate having a low, medium and/or high molecular weight.
4990608 Diaphragm wall construction gelatin composition  
Carboxymethylcellulose (CMC) and hydroxyethylcellulose (HEC) are preferred modified polysaccharides providing at least 10% by weight gelatin particles to prevent fluid loss during diaphragm wall...
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...
4902733 Aqueous protective coating composition comprising 3-alkoxy-2-hydroxypropylhydroxyethylcellulose and film forming latex  
An aqueous protective coating composition comprising (a) a nonionic, water-soluble 3-alkoxy-2-hydroxypropylhydroxyethylcellulose wherein the alkyl moiety is a straight or branched chain alkyl group...
4900457 Aqueous polysaccharide compositions  
The invention provides aqueous polysaccharide compositions comprising 0.03 to 5% w/v of a water-soluble polysaccharide, 5 to 80% w/v of at least one salt of at least one mono- or divalent cation,...
4894448 Process for the preparation of low-viscosity cellulose ethers  
The invention relates to a process for the preparation of low-viscosity cellulose ethers, in particular of methylcelluloses having viscosities of less than 100 mPa.s, measured in 1.8% aqueous...
4820813 Grinding process for high viscosity cellulose ethers  
High viscosity cellulose ether products are produced by grinding a substantially dry high molecular weight cellulose ether under conditions of mild mechanical impact such as those encountered in a...
4691013 Process for production of modified hydroxyethyl cellulose  
A process for producing a modified hydroxyethyl cellulose comprising the steps of: allowing hydroxyethyl cellulose to be swollen in a solvent; and mixing the hydroxyethyl cellulose swollen in...
4661266 Completion and workover fluids  
A completion and workover fluid which comprises an aqueous liquid medium containing hydroxyethyl cellulose, an inorganic salt selected from the group consisting of calcium chloride, calcium bromide...
4614601 Completion and workover fluids  
A completion and workover fluid is described, containing a soluble salt, a hydroxyethyl cellulose and at least one compound selected from 2-mercaptobenzimidazole compounds, 2-mercaptobenzothiazole...
4614545 Hydroxypropyl methyl cellulose thickening agents for organic liquids  
Hydroxypropyl cellulose ethers which have a methoxyl substitution of from 21% to 35% and a hydroxypropoxyl substitution of from 14% to 35% and which have a viscosity of at least about 50 mPas as...
4543410 Absorbent cellulosic base structures  
Absorbent, coherent, flexible structures in the form of fibrous webs and porous sponges comprising water-insoluble, ring oxidized cellulosic bases consisting of water-insoluble cellulose ethers,...
4537958 Process for preparing cellulose ethers  
Non-gelling cellulose ethers are purified by mixing same with a dialdehyde under acidic conditions and under high agitation, forming a slurry of the treated cellulose ether, rapidly transferring...
4521594 Process for producing sodium carboxymethylcellulose  
A process for producing sodium carboxymethylcellulose having an excellent dispersibility in water by heat-treating sodium carboxymethylcellulose to crosslink the same. The starting sodium...
4424347 Modified hydroxyalkyl celluloses and method of preparation  
A method for preparing modified hydroxyalkyl celluloses, particularly hydroxyethyl cellulose which involves adding to the reaction mixture by which hydroxyalkyl celluloses are prepared, a minor...
4424302 Method of forming polymer particles  
A process for forming polymeric particles from water-soluble polymers by introducing the polymer into an aqueous salt solution in which the salt is of a composition and present in an amount...
4420611 Stabilization of irradiated carboxymethyl cellulose  
The molecular weight of irradiated carboxymethyl cellulose can be stabilized by heat treatment of irradiated carboxymethyl cellulose at a temperature from about 50° C. to about 150° C.,...
RE31323 Preparation of water-insoluble carboxymethyl cellulose absorbents  
A process for the preparation of substantially water-insoluble, particulate sodium carboxymethyl cellulose, suitable for use as an absorbent in tampons and other catamenial devices, or the like....
4379918 Process for preparing water-soluble phosphonomethyl ethers of cellulose  
Disclosed is a process for preparing water-soluble phosphonomethyl ethers of cellulose from cellulose and halogenomethane phosphonic acid or one of its salts or acid derivatives, in an aqueous,...
4368323 Substantive wetting agents for absorbent materials  
The absorbent material is treated to increase its wettability in a substantive manner. This is accomplished by reacting a diepoxide compound with an absorbent material selected to have accessible...
4359392 Stabilization of modified cellulose in brines at high temperatures  
Novel processes are provided for the stabilization of modified celluloses in brine solutions useful for well completion and workover. Copper species are added to such fluids in an amount effective...
4340731 Polycarboxyalkyl-cellulose having high fluid absorbing and retaining properties, and process for preparing same  
Polycarboxyalkyl-cellulose characterized by exceptionally high fluid absorbing and retaining capacities is obtained by oxidizing, under particular conditions, hydroinsoluble, cross-linked...
Matches 1 - 50 out of 102 1 2 3 >