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| Number | Title | Issue Date |
| 7280825 | Aircraft in-flight entertainment system including low power transceivers and associated methods An aircraft in-flight entertainment (IFE) system includes an antenna, an external communications transceiver connected to the antenna for communicating external the aircraft, and a plurality of seat electronic boxes (SEBs) spaced throughout the aircraft for distribu... | 10/09/2007 |
| 7177638 | Aircraft in-flight entertainment system including digital radio service and associated methods An aircraft in-flight entertainment (IFE) system includes a headend unit, and a plurality of seat electronic boxes (SEBs) spaced throughout the aircraft. The headend unit includes a digital satellite radio receiver. A local area network (LAN) connects the digital sa... | 02/13/2007 |
| 7132427 | Quinazolines and uses thereof This invention relates to compounds of the general formula: in which RA, RB, RC and RD are as defined herein, and to their preparation and use. ... | 11/07/2006 |
| 6761272 | Filters consisting of filter paper or paper-type nonwoven material Filters and methods for producing filter paper or paper-like nonwoven materially consisting partially or wholly of fibrous cellulose containing material. The filters provided are characterized by high filtration capacity and are capable of absorbing and binding unde... | 07/13/2004 |
| 6579977 | Biosorbents and process for producing the same A process is disclosed for producing biosorbents by phosphorylation of cellulose-containing materials with phosphoric acid or ammonium phosphate in the presence of urea. Also disclosed are biosorbents with particular good use properties. Biosorbents of th... | 06/17/2003 |
| 6140497 | Process for preparing a spinnable, isotropic cellulose solution A spinnable, isotropic solution containing cellulose, phosphoric acid and/or anhydrides of phosphoric acid and water is prepared by dissolving cellulose in a solvent, the solvent being a homogeneous mixture of water and at least one of phosphoric acid and... | 10/31/2000 |
| 6075139 | Linear and cyclic sucrose reaction products, their preparation and their use Sucrose ester and ether products, useful as food or beverage bulking agents, reduced calorie sweeteners, fat replacement agents, stabilizing agents, thickening agents and emulsifying agents; adhesives; biodegradable plastics and films; sizing agents for p... | 06/13/2000 |
| 6005099 | Glucosamine disaccharides, method for their preparation, pharmaceutical composition comprising same, and their use The invention relates to ଲ(1.fwdarw.6) glucosamine disaccharides having general formula (I) to a method for preparing these disaccharides, comprising the steps of: i) providing a starting material comprising lipid A moiety of lipopolysaccharide-comp... | 12/21/1999 |
| 5968794 | Biodegradable particulate vector for transporting molecules having biological activity A biodegradable particulate vector for transporting biologically active molecules is prepared containing a nucleus formed of a cross-linked polysaccharide or oligosaccharide matrix having grafted ionic ligands, a layer of fatty acid compounds covalently b... | 10/19/1999 |
| 5750729 | Compounds and methods for making and using same In accordance with this invention novel compounds are provided that are selected from saturated and unsaturated pyrans and furans substituted with at least a phosphonate group and a heterocyclic base. These compounds are useful as antiinfectives, flame re... | 05/12/1998 |
| 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, adding a generally water-soluble, modified polysaccharide to... | 03/12/1996 |
| 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, adding a generally water-soluble, modified polysaccharide to... | 11/28/1995 |
| 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 |
| 5045593 | Organophilic modified polymers Organophilic polymer adducts which are effective fluid loss control additives for oil base well-working fluids are prepared from an anionic or cationic water soluble polymer and one or more phosphatides. Preferred phosphatides are phosphoglycerides obtain... | 09/03/1991 |
| 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 xylylene radicals, which may or may not be substituted; ... | 04/16/1991 |
| 4997935 | Modified cellulose for biocompatible dialysis membranes III and process for preparation thereof A modified cellulose 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 of chitin, R'... | 03/05/1991 |
| 4981960 | Modified cellulose for biocompatible dialysis membranes IV and process for preparation thereof A modified cellulose 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 of chitin, R'... | 01/01/1991 |
| 4981959 | Modified cellulose for biocompatible dialysis membranes II and process for preparation thereof A modified cellulose 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 in the case of... | 01/01/1991 |
| 4863980 | Organophilic modified polymers Organophilic polymer adducts which are effective fluid loss control additives for oil base well-working fluids are prepared from an anionic or cationic water soluble polymer and one or more phosphatides. Preferred phosphatides are phosphoglycerides obtain... | 09/05/1989 |
| 4839113 | Anistropic compositions of cellulose esters; processes for obtaining such compositions; fibers of cellulose esters or cellulose Composition (M) having a base of a cellulose ester having formate groups, this composition being an anisotropic solution containing: (a) the cellulose ester; (b) formic acid; (c) at least one phosphoric acid. A process for obtaining this composition by dissolving t... | 06/13/1989 |
| 4480090 | Process for esterification of cellulose using as the catalyst the combination of sulfuric acid, phosphoric acid and a hindered aliphatic alcohol The present invention relates to a method of preparing lower fatty acid esters of cellulose which comprises esterifying at a temperature of between about 75° C. and about 110° C. a cellulose compound having esterifiable hydroxyl groups with an esterifyi... | 10/30/1984 |
| 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, alkaline medium. The process is carried out in such a way tha... | 04/12/1983 |
| 4294731 | Method for drying absorbent modified cellulosic polymers and the like A method for oven drying chemically modified cellulosic materials, especially fibers, having improved fluid absorbency involves incorporating into the cellulose structure while swollen an amphiphilic compound miscible with water which will not evaporate w... | 10/13/1981 |
| 4256877 | Method of manufacturing cellulose derivative An absorbent cellulose material is disclosed which comprises a substituted cellulose having an average degree of substitution sufficiently low to render the material insoluble and in which the fibers have an increased surface area formed by bursting the f... | 03/17/1981 |
| 4256111 | Filaments of chemically modified cellulose fibers and webs and products formed therefrom Chemically modified cellulose fibers such as those which have been subjected to phosphorylation or carboxymethylation or to polymer grafting-hydrolysis are refined in the presence of water, centrifuged to remove unbound water and extruded into filaments. ... | 03/17/1981 |
| 4083904 | Method for manufacturing phosphorylated cellulose ester membranes for use in the separation or concentration of substances A novel phosphorylated cellulose ester membrane containing 0.1 to 10% of phosphorus and having a selective permeability. This permselective phosphorylated cellulose ester membrane consists essentially of a phosphorylated cellulose ester obtained by reacti... | 04/11/1978 |
| 4049764 | Method of forming highly absorbent filaments and webs having improved softness, wicking, and solvent drying characteristics In the formation of highly absorbent and rapidly wicking filaments and web structures by extrusion and solvent drying of extrudates composed of highly swollen hydrophilic chemically modified cellulose fibers, improved results are obtained in the form of a... | 09/20/1977 |
| 4043952 | Surface treatment process for improving dispersibility of an absorbent composition, and product thereof The aqueous dispersibility of a water-absorbent composition of matter is improved by a surface treatment which ionically complexes the surface thereof to a moderate degree. A dispersion is formed comprising a water-absorbent composition of matter based on... | 08/23/1977 |
| 4020268 | Agarose containing affinity matrix materials A novel affinity matrix material for trypsin and trypsin-like enzymes is disclosed. Methods employing this material to isolate and/or purify crude extracts containing trypsin and trypsin-like enzymes and to store the purified enzymes obtained are also dis... | 04/26/1977 |
| 3962212 | Phosphorylated cellulose ester membrane for use in separation or concentration of substances A novel phosphorylated cellulose ester membrane containing 0.1 to 10 % of phosphorus and having a selective permeability. This permselective phosphorylated cellulose ester membrane consists essentially of a phosphorylated cellulose ester obtained by react... | 06/08/1976 |
