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| Number | Title | Issue Date |
| 7285157 | Air filter An air-filter for a circulating and/or recirculating air system using a filter medium containing a microbiologically effective amount of a polymeric biguanide or salt thereof. Also claimed is a method for reducing odors and/or air-borne micro-organisms in a circulat... | 10/23/2007 |
| 7122231 | Ink jet recording element An ink jet recording element comprising a support having thereon an image-receiving layer, the ink jet recording element containing finely divided particulate material and a metal(oxy)hydroxide complex, Mn+(O)a(OH)b(Ap−)... | 10/17/2006 |
| 7105215 | Ink jet recording element An ink jet recording element comprising a support having thereon an image-receiving layer, the ink jet recording element containing a metal(oxy)hydroxide complex, Mn+(O)a(OH)b(Ap−)c•xH2O, wherein ... | 09/12/2006 |
| 6979480 | Porous inkjet receptor media Improved macroporous ink receptor media are disclosed. An inkjet receptive media in accordance with one embodiment of the present invention comprises a web comprising a plurality of fibers and a coating overlaying at least a portion of a plurality of the fibers. In ... | 12/27/2005 |
| 6908995 | Production of carbohydrates, alcohol and resins from biomass Ethanol is produced from biomass by the process of a heated aqueous solution containing 20 to 40 percent alkali metal hydroxide to break the lignin-cellulose bond. Then the biomass is heated further to remove carbon dioxide from the cellulose and lignin to produce a... | 06/21/2005 |
| 6905742 | Polypropylene card construction An image retaining card is disclosed. An image retaining card in accordance with the present invention may be utilized as an identification card, a driver's license, a passport, and the like. An image retaining card in accordance with the present invention comprises... | 06/14/2005 |
| 6699363 | Modified starch and process therefor A process that can be used for producing a starch product is provided. The process comprises heating a composition, which comprises or consists essentially of a starch, a polyacrylamide, and a multivalent cation. The weight ratio of starch to polyacrylami... | 03/02/2004 |
| 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 |
| 6608184 | Production of products from sewer sludge Fatty oil and acids, glycerol, glycols, lactic acid, urea, fertilizer, carbohydrates, ethanol are recovered or produced from sewer sludge by the process of concentrating and filtering out the solid sewer sludge, hydrolysis of the cellulose in the sewer sl... | 08/19/2003 |
| 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 |
| 6403777 | Metalloligands for cleaving nucleic acids Transition metal complexes, referred to hereinafter as "metalloligands", that catalyze the degradation of DNA and the cleavage of RNA at select sites are provided. In one embodiment, the metalloligand has the following structure: ##STR1## wherein R1 ... | 06/11/2002 |
| 6333399 | Process for producing chitosan-glucan complexes, compounds producible therefrom and their use A process for the preparation of chitosan-glucan complexes from biological sources by treating said biological sources with solutions, characterized in that a) chitin-containing microorganisms as said biological sources are treated at least once with a fi... | 12/25/2001 |
| 5985916 | Polymer-platinum compounds A polymer-platinum compound for use in tumor treatment is described. The compound is composed of a biodegradable diamido-diamine polymer linked to a platinum species. The platinum species is released from the polymer to yield a platinum species having ant... | 11/16/1999 |
| 5955601 | Lanthanide chelate conjugated oligonucleotides Rare earth chelate-conjugated oligonucleotides useful in nucleic acid hybridization assays and for generating chelate-labelled probes of any desired sequence are disclosed. The particular class of chelates utilized exhibit an unusually high efficiency of ... | 09/21/1999 |
| 5844058 | Organosiloxane-grafted natural polymer coatings A new family of polysaccharide graft polymers are provided as corrosion resistant coatings having antimicrobial properties which are useful on light metals such as aluminum, magnesium, zinc, steel and their alloys. Methods of making the polysaccharide gra... | 12/01/1998 |
| 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 |
| 5686602 | Crosslinked cellulose polymer/colloidal sol matrix and its use with ink jet recording sheets A cellulose polymer network crosslinked with metal ions selected from the group consisting of: Al+3, Zr+4, and Ti+4, the crosslinked cellulose polymer network having incorporated therein a colloidal sol containing metal ox... | 11/11/1997 |
| 5410037 | Process for silylizing carbohydrates, and use of the silylized carbohydrates There is described a process for silylizing carbohydrates in liquid nitrogen compounds, the carbohydrates being reacted under pressure in an autoclave at a tempperature of about 0° to 200° C. with a silylizing agent of the formula (I) ##STR1## ... | 04/25/1995 |
| 5250672 | Contrast agent for NMR imaging A polysaccharide chemically joined to a nitroxyl spin label (NSL) compound has use for the preparation of an NMR diagnostic composition. An agent for modifying H2 O relaxation times in NMR diagnosis may comprise a polysaccharide to which is che... | 10/05/1993 |
| 5208324 | Paramagnetic compounds There are provided paramagnetic compounds comprising a paramagnetic metal species chelated by a chelating moiety bound by an amide group to a linker group itself bound by an ester group to a macromolecule, wherein said linker group provides a carbon chain... | 05/04/1993 |
| 5204457 | Organic magnetic complex A complex of a carboxyalkyl ether of a polysaccharide with a magnetic metal oxide. This complex is extremely excellent in stability in preservation in the form of aqueous sol and has only a low toxicity, and thus is useful, for example, for medical use as... | 04/20/1993 |
| 5202122 | Process for enhancing the hypocholesterolemic effect of edible pulp and the product obtained thereby Process for enhancing the natural bile acid binding capacity of edible pulp material by either heating an aqueous slurry of the pulp material to at least 40° C. and/or sequentially reacting pulp with a first reactant, such as sodium hydroxide, for activa... | 04/13/1993 |
| 5182380 | Dihydroxypropyl sulphoethyl celluloses, their preparation and their use Water-soluble, reversibly gelable cellulose ethers containing sulphoethyl groups (DS-sulphoethyl) and dihydroxpropyl groups (MS-dihydroxypropyl).... | 01/26/1993 |
| 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 |
| 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 |
| 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 |
| 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 |
| 4992538 | Silated polysaccharides Silated polysaccharides having 0.0005 to 2.0 silyl molar substitution per anhydrosaccharide unit form water resistant films when cast from aqueous solution and dried in the presence of atmospheric carbon dioxide. These films are soluble in aqueous caustic... | 02/12/1991 |
| 4986980 | Water-soluble, carrier-bound paramagnetic metal containing diagnostic agents There is disclosed a diagnostic agent containing a non-radioactive paramagnetic metal species which agent comprises a physiologically tolerable, water-soluble, hydroxyl group-containing macromolecular product to which is chemically bound said metal specie... | 01/22/1991 |
| 4985233 | A diagnostic agent containing a non-radioactive paramagnetic metal species in a macromolecular carrier A paramagnetic metal species-containing diagnostic agent is disclosed which comprises a non-radioactive paramagnetic metal species and, as a carrier therefor, a physiologically tolerable, water-insoluble, hydroxyl group-containing, particulate macromolecu... | 01/15/1991 |
| 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 |
| 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 |
| 4906579 | New catalytically oxidized polyglucosic units and methods of making same leading to aldehyde groups on the C-6 position of polyglucosic product and new products therefrom A method to selectively oxidize a polyglucose, on the oxygen of the hydroxy groups of the C-6 position of the glucose rings, while substantially maintaining the degree of polymerization of the polyglycosidic units, comprising heating a 6-sulfonyl polygluc... | 03/06/1990 |
| 4736024 | Process for preparing salt of hyaluronic acid with a pharmaceutically active substance Pharmaceutical preparations for topical administration containing a pharmacologically active substance together with hyaluronic acid or a molecular weight fraction thereof. The hyaluronic acid may be in the form of the free acid or may be a salt with an a... | 04/05/1988 |
| 4637820 | Copper-modified carboxyalkyl-cellulose fiber A modified fibrous material comprising cellulose fibers substituted at their cellulose anhydroglucose units by anionic moieties of at least one of the formulae: --PO3 H.sup.(-) ; --(CH2)n -PO3 H.sup.(-) ; --(CH | 01/20/1987 |
| 4568399 | Propellant compositions An azidonitrate energetic composition i.e. cellulose azidonitrate and a pess of making the same from nitrocellulose and sodium or lithium azide.... | 02/04/1986 |
| 4552928 | Di- and triphenylated cation radical polymers and their use as Diels-Alder catalysts A regenerative catalyst composition is provided comprising polymer supported covalently bound di- or triphenylated cation radical salts, wherein the cation radical is a Group VA element and the complementing anion is a Lewis acid anion or other anion, suc... | 11/12/1985 |
| 4508893 | Process for the preparation of a powdery calcium cellulose glycolate A process for the preparation of a powdery calcium cellulose glycolate which comprises reacting cellulose glycolic acid in wet form with a calcium reagent, drying and pulverizing the resultant, wherein the calcium reagent is calcium hydroxide or a combina... | 04/02/1985 |
| 4491661 | Process for the preparation of cellulose ethers from ammonia-activated cellulose A process is disclosed for the preparation of water-soluble cellulose ethers, comprising the steps of activating cellulose with ammonia, alkalizing the activated cellulose, and etherifying the alkali cellulose. In the process, the activated cellulose is a... | 01/01/1985 |
