Did You Know...
...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
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| Number | Title | Issue Date |
| 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 action of blood platelets and fibrin and cell adhesion to the trauma s... | 04/01/2008 |
| 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 acceptable salts of carboxymethylcellulose, especially to hemostatic materia... | 08/28/2007 |
| 7108744 | Tape joint compounds with CMC thickener system CMC with CMDS greater than or equal to 0.76, optionally with a non-ionic co-thickener or a CMC with CMDS less than 0.75 is used as both the rheology modifier and partial clay substitute in tape joint compounds. This significant reduction of clay level is sufficient ... | 09/19/2006 |
| 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 cellulose ethers. For example, the solution viscosity of carboxymethyl cell... | 04/04/2006 |
| 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 organic solvent and a cross-linker. The invention also... | 01/25/2005 |
| 6686464 | 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 cellulose ethers. For example, the solution viscosity of carboxy... | 02/03/2004 |
| 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 of the composition caused by the polysaccharides is less th... | 02/03/2004 |
| 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 haloacetates, alkali metal vinyl sulfonates, vinyl sulfonic a... | 12/30/2003 |
| 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 solvent, such as a lower alkanol, an alkyl pyrrolidone, DMSO... | 08/26/2003 |
| 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 material, and to the use thereof as an adjuvant substance for achi... | 07/15/2003 |
| 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, cellulose ether and fully synthetic vinyl polymers and/or poly... | 11/19/2002 |
| 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 colloids in the preparation of aqueous polymer dispersion... | 08/29/2000 |
| 6030958 | Water insoluble derivatives of hyaluronic acid A water insoluble, biocompatible composition that includes the reaction product of a polyanionic polysaccharide and an activating agent.... | 02/29/2000 |
| 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 water and at the concentration involved. Conveniently, the su... | 04/27/1999 |
| 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 drilling fluid applications.... | 09/15/1998 |
| 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 composition is about 80% or less, and wherein the non-ionic c... | 09/08/1998 |
| 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) powdering high alpha cellulose obtained from fast growing... | 09/01/1998 |
| 5760200 | Water insoluble derivatives of polyanionic polysaccharides A water insoluble, biocompatible composition that is formed by a method which combines, in an aqueous mixture, a polyanionic polysaccharide, a nucleophile, and an activating agent, under conditions sufficient to form the composition. Also, a water insolub... | 06/02/1998 |
| 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 auxiliary are obtained by irradiation of a mixture of a high... | 02/17/1998 |
| 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 ether (material to be screened) to a sieve surface, b) dividin... | 12/31/1996 |
| 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 solvent. The column geometry (inside diameter/length) and ... | 05/28/1996 |
| 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 them with dehalogenase enzyme.... | 05/21/1996 |
| 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 having a copper number of not more than 0.4 g, adding an ... | 12/19/1995 |
| 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.... | 10/31/1995 |
| 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 textile printing.... | 10/03/1995 |
| 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, preferably two-step process and the use of the sulphoalkyl... | 08/15/1995 |
| 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.... | 10/25/1994 |
| 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 present invention is used as coating agents for foods and phar... | 09/13/1994 |
| 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 average molecular mass from about 200 to about 10,000. A method... | 06/28/1994 |
| 5252340 | Method of producing an absorbent composition A method of producing an absorbent composition. A polymeric material characterized as having surface anionic reactive sites is mixed with a source of multivalent metal ions to render the polymeric material sorbent of aqueous liquids. A dispersant is then ... | 10/12/1993 |
| 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 carboxyalkyl polysaccharide and water, recovering the carboxyalk... | 09/21/1993 |
| 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 making these spherical, high density cellulose particles an... | 09/14/1993 |
| 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 solution comprising a water-soluble cellulose ether and a water-... | 06/08/1993 |
| 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 fine particles of the invention have the advantage that the... | 03/23/1993 |
| 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 a corn milling residue carboxymethyl ether salt with an a... | 11/24/1992 |
| 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 groups, s=3 in the case of cellulose and s=2 in the case... | 03/03/1992 |
| 5093488 | Modified chitin for biocompatible dialysis membranes III 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 groups, s=3 in the case of cellulose and s=2 in the case... | 03/03/1992 |
| 5093486 | Modified chitin for biocompatible dialysis membranes II 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 unmodified cellulose or chitin, in each case without hydroxyl groups, s=3 in the case of cellulose and s=2 ... | 03/03/1992 |
| 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, which latter is distributed in a microdisperse mode in a cro... | 12/10/1991 |
| 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, optionally substituted, carbon chains with 10-36 carbon atoms, ... | 10/08/1991 |
