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| Number | Title | Issue Date |
| 7425589 | Method for modifying cellulose ethers The invention relates to a method for modifying cellulose ethers. The inventive method is characterised in that a cellulose ether having a humidity content of between 5 and 90% is intensively mixed with between 0.1 and 5 wt. %—in relation to the dry cellulose ethe... | 09/16/2008 |
| 7288149 | Aqueous cement composition A fresh aqueous cement composition suitable for building purposes is described. It contains, besides a hydraulic cement, a methyl ethyl cellulose ether having a DS methyl of 0.4-2.2, a DS ethyl of 0.05-0.8 and a MS hydroxy-(C2-C3)-alkyl of 0-2.... | 10/30/2007 |
| 7163723 | Liquid crystalline compound and reterdation difference film using the same A phase difference film which comprises a liquid crystal film having a liquid crystal comprised of a cellulose derivative as a liquid crystal compound (cellulose derivative liquid crystal) being oriented in a specific direction, preferably said phase difference film... | 01/16/2007 |
| 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 |
| 7101426 | Inorganic matrix composite reinforced by ionically crosslinked polymer An in situ ionic interaction between two additives, one a cationic strength enhancing additive and one an anionic crosslinking additive, is used to improve the mechanical properties of an article formed from a composite material. The composite has a discrete phase b... | 09/05/2006 |
| 7066996 | Joint compounds using thickeners prepared from raw cotton linters A mixture composition of a cellulose ether made from raw cotton linters and at least one additive is used in a ready mixed joint compound composition wherein the amount of the cellulose ether in the joint compound composition is significantly reduced. When this join... | 06/27/2006 |
| 7052540 | Aqueous dispersions of carboxylated cellulose esters, and methods of making them Aqueous dispersions of carboxylated cellulose esters are disclosed having a low organic solvent content. These dispersions can be prepared using a volatile hydrophilic organic solvent and a coupling organic solvent having a lower volatility, the volatile hydrophilic... | 05/30/2006 |
| 6946146 | Coating for a sustained release pharmaceutical composition The present invention is directed to a coating composition for coating a solid dosage form of a medicament, where the coating composition controls the release of the medicament, said coating composition comprising (a) at least 50% (w/w) by dry weight of a water inso... | 09/20/2005 |
| 6110978 | Forming solutions A method of forming a solution of a solid includes the steps of: (1) forming a dispersion which comprises (a) a liquid, (b) the solid dispersed in powder form and (c) a polymeric binder dissolved in the liquid, and (2) mixing the dispersion with the solve... | 08/29/2000 |
| 6030442 | Microporous fast response gels and methods of use A microporous, cross-linked, reversibly responsive gel obtainable from a polymeric precursor is disclosed. The microporous gels exhibit a volume change response on the order of seconds, many times faster than nonporous volume change gels of similar dimens... | 02/29/2000 |
| 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 groups are disposed at least approximately in a chiral-nemati... | 09/29/1998 |
| 5318619 | Polyurethane-based aqueous multicolor paint An improved polyurethane-based water-in-water multicolor paint composition is provided having a disperse phase and a continuous phase which is characterized by an accelerated capacity to transfer from an applicator surface to a substrate surface during pa... | 06/07/1994 |
| 5314535 | Polyurethane-based water-in-water multicolor paint and method for making A polyurethane-based water-in-water multicolor paint composition is provided having a disperse phase and a continuous phase. The disperse phase contains a water dispersible, film-forming, crosslinkable, polymer system selected from among a polyurethane po... | 05/24/1994 |
| 5308647 | Liquid spray masking composition and method An improved liquid spray masking composition including an effective amount of a non-volatile polyhydroxy component is provided. The preferred polyhydroxy components comprise polyglycerols, especially triglycerols or larger polyglycerols. The presence of s... | 05/03/1994 |
| 5258069 | Process for preparing joint, spackling and texture compounds for gypsum dry walls Used as a thickener a Fluidized Polymer Suspension (FPS) with or without salt as a suspending agent allows producing joint, spackling and texture compounds in significantly reduced time. Products produced with FPS are more uniform and stable than ones mad... | 11/02/1993 |
| 5114485 | Water-in-water multicolor paint and method A water-in-water multicolored paint composition is provided having a disperse phase and a continuous phase. The disperse phase preferably is comprised of water dispersable, film-forming, crosslinkable, carboxylated polymer; crosslinking agent; hydroxy (lo... | 05/19/1992 |
| 5080717 | Fluid suspensions of polysaccharide mixtures A nonionic cellulose ether such as hydroxyalkylcellulose, alkylcellulose or an alkylhydroxyalkylcellulose hydrophobically modified with a C4 to C24 alkyl or an arylalkyl group is suspended by a low molecular weight polysaccharide and... | 01/14/1992 |
| 5062889 | Process for the preparation of hydrocolloid mixtures having improved dispersibility Hydrocolloid mixtures having improved dispersibility in water from an uncross-linked and a cross-linked hydrocolloid are prepared by subjecting at least one of the hydrocolloids to the action of at least one swelling agent or solvent for the hydrocolloid ... | 11/05/1991 |
| 4973359 | Surface treatment chemical and bath for forming hydrophilic coatings and method of surface-treating aluminum members Surface treatment chemical and bath for forming hydrophilic coatings on aluminum plates comprising, on a solid basis, 5-25 parts by weight of a sodium salt and/or a potassium salt of carboxymethylcellulose, and 25-50 parts by weight of an ammonium salt of... | 11/27/1990 |
| 4883536 | Suspension of water-soluble polymers in aqueous media containing dissolved salts An aqueous suspension comprising 15% or more, by total weight of the suspension, of at least one anionic or nonionic water-soluble polymer dispersed in an aqueous solution of an ammonium salt having a multivalent anion, wherein the weight ratio of the amm... | 11/28/1989 |
| 4846889 | Polymeric blend useful in thin-bed mortar compositions comprising a water-soluble cellulose ether and a water-insoluble, but water-dispersible polymer This invention is a polymer blend useful in thin-bed mortar compositions comprising a water-soluble cellulose ether and a water-insoluble, but water-dispersible, polymer. The water insoluble, but water-dispersible polymer can include an unneutralized poly... | 07/11/1989 |
| 4594108 | Highly pseudoplastic polymer solutions Thickening compositions are disclosed which impart highly pseudoplastic behavior to aqueous compositions containing same. The compositions of this invention comprise a water-soluble high molecular weight organic polymer and a water-insoluble, water-disper... | 06/10/1986 |
| 4384988 | Fire protection water barrier which is a gel composition of high water content and high viscosity This invention relates to a water barrier gel composition comprising from about 0.1 to 5% by weight of water absorbent material and from about 95 to 99.9% by weight of water, based on the weight of the total composition, and a method of applying a layer o... | 05/24/1983 |
| 4385078 | Method for providing enteric coating on solid dosage forms and aqueous compositions therefor A novel aqueous coating composition is proposed for providing enteric coating on solid dosage forms such as tablets. The aqueous coating composition of the invention comprises a fine powder of an enterosoluble cellulose derivative such as hydroxypropylmet... | 05/24/1983 |
| 4373959 | Readily dissolvable polysaccharide compositions A mixture of (1) a cross-linked, aqueous soluble polysaccharide or derivative thereof and (2) an aqueous soluble polysaccharide or derivative having essentially no cross-linking readily dissolves in an aqueous liquid to form a homogeneous solution. For ex... | 02/15/1983 |
| 4357469 | Carrier base material for prolonged release therapeutic compositions A carrier base material adapted to be combined with a therapeutically active medicament and shaped and compressed to form a sustained release therapeutic composition having a long-lasting, slow and regular incremental release of the medicament upon admini... | 11/02/1982 |
| 4330338 | Pharmaceutical coating composition, and preparation and dosages so coated Pharmaceutical coatings in the form of aqueous dispersion of a water insoluble polymer prepared by dissolving the polymer in a water immiscible organic solvent, emulsifying the organic solution in water, optionally with the aid of additives, and stripping... | 05/18/1982 |
| 4001211 | Pharmaceutical capsules from improved thermogelling methyl cellulose ethers Improved thermogelling methyl cellulose ether compositions for use in preparing pharmaceutical capsules by the pin dip coating process are prepared by blending the properties of water soluble methyl and C2 -C3 hydroxyalkyl cellulose ... | 01/04/1977 |
| 3959003 | Thixotropic cementing compositions A thixotropic cementing composition for use in oil and gas wells comprises a hydraulic cement slurry including as an additive a complex reaction product of a water soluble carboxyalkyl, hydroxyalkyl or mixed carboxyalkyl hydroxyalkyl ether of cellulose, a... | 05/25/1976 |
