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| Number | Title | Issue Date |
| 8153551 | Optical isomer separating filler An optical isomer separating filler wherein a polysaccharide derivative is chemically bonded onto a support. This optical isomer separating filler is characterized in that the halogen content in the filler is 3.0 to 5.0%. ... | 04/10/2012 |
| 8114809 | Polysaccharide-inorganic composite particles as performance additives for superabsorbent polymers The present invention relates to discrete particulate composite additives for superabsorbent polymers and includes a method of making same. The discrete particulate composite additives generally comprise a polysaccharide and an inert inorganic component. Advantageou... | 02/14/2012 |
| 8101543 | Biodegradable superabsorbent particles Particles comprising a combination of a carboxyalkyl cellulose and a starch, wherein the particles comprise a plurality of non-permanent metal crosslinks. The non-permanent intra-fiber metal crosslinks include multi-valent metal ion crosslinks formed with one or mor... | 01/24/2012 |
| 8084391 | Fibers having biodegradable superabsorbent particles attached thereto Cellulose fibers having particles attached thereto, the particles comprising a carboxyalkyl cellulose, a starch, and a plurality of non-permanent metal crosslinks. The non-permanent intra-fiber metal crosslinks include multi-valent metal ion crosslinks formed with o... | 12/27/2011 |
| 7994092 | Carbohydrate polyethers for chromatographic media The present invention relates to novel chromatography stationary phases comprising non-polysaccharide carbohydrate polyethers and methods for their preparation. Particularly, the invention relates to chromatography stationary phases comprising said carbohydrate poly... | 08/09/2011 |
| 7772153 | Separating agent for enantiomeric isomers The present invention provides a separating agent for enantiomeric isomers which exhibits high optical resolving power together with solvent resistance. That is, the present invention provides a separating agent for enantiomeric isomers including a polysaccharide de... | 08/10/2010 |
| 7531480 | Sorbent additive and composition An additive formulated for blending with bulk absorbent materials to cause the absorbent materials to agglomerate upon the introduction of urine or waste products. The invention also comprises mixtures of the additive with the conventional absorbent materials. The a... | 05/12/2009 |
| 7438806 | Affinity matrices with enhanced visibility for molecular pull-down and immunoprecipitation applications An affinity matrix for use in affinity based molecular pull down and immunoprecipitation procedures. The affinity matrix comprises a polymeric support, a dye attached to a fraction of the polymeric support to enable optical detection of the polymeric support, and an... | 10/21/2008 |
| 7413662 | Preparation and use of sorptive lignocellulosic material for decontamination of fluid and aqueous media A modified sorptive lignocellulosic fibre material with hydroxyl groups on the lignocellulosic fibres doubly modified by esterification with a combination of monocarboxylic and dicarboxylic acid ester groups. A process for the preparation of the sorptive material. T... | 08/19/2008 |
| 7407912 | Supersuperabsorbent polymers The invention describes supersuperabsorbent polymers composed of surface-post crosslinked polycarboxypolysaccharides having excellent age-stable absorption properties, even under load, high attrition resistance and biodegradability and their use for absorbing water,... | 08/05/2008 |
| 7407576 | Separating agent for an optical enantiomeric isomer The present invention is to provide a method of producing a separating agent for an enantiomeric isomer having a high optical resolution power together with sufficient solvent resistance. That is, a method of producing a separating agent for an enantiomeric isomer c... | 08/05/2008 |
| 7399409 | Packing material for separation of optical isomer and method of separating optical isomer with the same The objectives of this invention are to provide a filler for separating optical isomers, capable of efficiently carrying out optical resolution of optical isomer mixtures, and to provide a process for separating optical isomers by a simulated moving bed chromatograp... | 07/15/2008 |
| 7323101 | Separating agent for optical isomer and method for preparation thereof A separating agent which combines a high optical resolving power inherent in polysaccharide derivatives with sufficient solvent resistance and a method with which the separating agent can be produced efficiently in short steps. The separating agent for enantiomeric ... | 01/29/2008 |
| 7287650 | Structures that inhibit microbial growth Structures treated with a microbiological interception enhancing agent comprising of a water-soluble cationic material having a counter ion associated therewith at specific sites on the cationic material, in combination with a biologically active metal salt, wherein... | 10/30/2007 |
| 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 |
| 7223334 | Separating agent for enantiomeric isomers The present invention provides a separating agent for enantiomeric isomers having no large UV absorption, as represented by an aromatic group, and having high asymmetric recognizability, particularly, high asymmetric recognizability in an aqueous mobile phase, or a ... | 05/29/2007 |
| 7208532 | Manufacture of improved support matrices A method for the production of a cross-linked support matrix that in form of a bed will permit liquid flow velocities above 5 cm/h, preferably above 50 cm/h, to pass through the bed. The method is characterized in that it comprises the steps: (a) providing a startin... | 04/24/2007 |
| 7208447 | Polyamino acid-catalyzed process for the enantioselective epoxidation of α,β-unsaturated enones and α,β-unsaturated sulfones The invention relates to a novel process that makes it possible to epoxidize α,β-unsaturated enones or α,β-unsaturated sulfones with high conversions and enantiomeric excesses in a two-phase system without addition of water in the presence of an organic solvent,... | 04/24/2007 |
| 7183336 | Irradiated absorbent materials Polymer particles are irradiated with radiation from a high energy source to increase the water or other fluid absorbency of the particles. Products manufactured using the activated particles include protective undergarments, bandages, kitty litter, and spill clean ... | 02/27/2007 |
| 7163633 | Affinity matrices with enhanced visibility for molecular pull-down and immunoprecipitation applications An affinity matrix for use in affinity based molecular pull down and immunoprecipitation procedures. The affinity matrix comprises a polymeric support, a dye attached to a fraction of the polymeric support to enable optical detection of the polymeric support, and an... | 01/16/2007 |
| 7156989 | Separating agent including polysaccharide derivative having a polycyclic structure The present invention provides a separating agent for enantiomeric isomers, which has an excellent ability to identify asymmetry. That is, the present invention relates to a separating agent for enantiomeric isomers which includes as an effective component a polysac... | 01/02/2007 |
| 7097768 | Coconut mesocarp-based biofilter material and its use in a wastewater treatment system A biofilter material for biofiltering a fluid is disclosed. This biofilter material comprises fragments of coconut mesocarp. A wastewater treatment system is also disclosed and comprises a filter bed and a water distribution system. The filter bed comprises fragment... | 08/29/2006 |
| 7090775 | Separation agent for separating optical isomer and method for preparation thereof A method of producing a novel separating agent for separating enantiomeric isomers, characterized by including: a step of supporting an optically active polymer compound and a compound having an asymmetric structure of a molecular weight of 1,000 or less on a carrie... | 08/15/2006 |
| 7056507 | Adsorbent for eliminating hepatitis C virus, adsorber, and adsorption method An adsorbent for removing hepatitis C virus which has the ability to adsorb HCV particles, particularly immune-complex HCV particles, from a patient's body blood safely and with high efficiency and high selectivity for enhancing the efficacy of interferon therapy, a... | 06/06/2006 |
| 7048858 | Post-modification of a porous support The present invention relates to a method for post-modification of a porous polymeric polysaccharide support comprising one or more unreacted double bonds, which method includes to contact the polymeric support with a liquid phase comprising at least one grafting co... | 05/23/2006 |
| 6953604 | Microporous filter media, filtration systems containing same, and methods of making and using The invention is directed to a microbiological interception enhanced filter medium, preferably having an adsorbent prefilter located upstream from the filter medium. Preferably, the prefilter is adapted to remove natural organic matter in an influent prior to the in... | 10/11/2005 |
| 6936344 | Absorbent composition of matter for odoriferous substances and releaser of diverse active ingredients A new product is described characterized by its qualities to absorb undesirable scents present in the air, while serving at the same time as a carrier for aromas, fragrances, flavorings, repellents, attractants and other active ingredients. The active ingredients ar... | 08/30/2005 |
| 6929741 | Column packaging for chromatography The present invention provides a packing for chromatography. Specifically, it provides a packing for chromatography in which a hydrophilic polymeric material is bound to the surface of a porous carrier, and a carbon chain is chemically bound inside the pore. By the ... | 08/16/2005 |
| 6919021 | Simulated activity of Protein A displayed by ligands attached to a cellulose bead surface A method and compound for the purification of proteins including the attachment of a non-peptidic, small compound which simulates the affinity of Protein A for immumoglobulins to a support matrix. Once attached on the support matrix, the resulting monochloro-triazin... | 07/19/2005 |
| 6887377 | Affinity matrices with enhanced visibility for molecular pull-down and immunoprecipitation applications An affinity matrix for use in affinity based molecular pull down and immunoprecipitation procedures. The affinity matrix comprises a polymeric support, a dye attached to a fraction of the polymeric support to enable optical detection of the polymeric support, and an... | 05/03/2005 |
| 6884345 | Chromatography method and a column material useful in said method A novel sorbent suitable for use as a stationary phase in a chromatography column, the core of which consists of an organic polymer of synthetic or natural origin. Further, the carrier exhibits a plurality of covalently bonded non-aromatic zwitterionic groups on its... | 04/26/2005 |
| 6809063 | Compressed metal oxide composition The present invention relates to a compressed metal oxide composition particle comprised of metal oxide and an organic binder, with the binder preferably being a water insoluble cellulose composition. The present invention also relates to a method for forming a comp... | 10/26/2004 |
| 6786336 | Composite biosorbent for treatment of waste aqueous system(s) containing heavy metals A biosorbent composition, process of preparing and use thereof wherein the biosorbent composition comprises a chitosan-coated substrate. Useful substrates include support materials such as a ceramic support material. The biosorbent composition of the instant inventi... | 09/07/2004 |
| 6736967 | Separating agent for enantiomeric isomers A separating agent for enantiomeric isomers has an enantiomerically active polymer compound supported thereon. The polymer compound has an exothermic peak before a decomposition temperature of the polymer compound supported is reached in a differential calorimetric ... | 05/18/2004 |
| 6720285 | Materials comprising saccharide cross-linked and chemically bonded to a support via urea linkages A conjugate of a support material and an oligomer or polymer of a saccharide that is linked to the support material via urea linkages, and in which the oligomers or polymers are cross-linked via urea linkages provides a valuable stationary phase for chromatography. ... | 04/13/2004 |
| 6716366 | Chemical composition for treatment of nitrate and odors from water streams and process wastewater treatment Novel compositions are described for use in nitrate removal and treatment of water such as water and wastewater streams produced by processes in mining operations, agriculture industries operations, industrial operations, military operations, etc. These novel compos... | 04/06/2004 |
| 6712974 | Filterable composite adsorbents This invention relates to filterable composite adsorbents comprising one or more adsorbent components and one or more filtration components, and methods for preparing and using same. More particularly, this invention pertains to filterable composite adsorbents and f... | 03/30/2004 |
| 6699386 | Endotoxin adsorbent, and a method of removing endotoxin by using the same This invention provides an adsorbent having a high ability to adsorb endotoxin selectively and a method of adsorbing endotoxin. The adsorbent comprises a basic substance bonded to a base material by means of a crosslinking agent.... | 03/02/2004 |
| 6664210 | Compressed metal oxide product The present invention relates to a bound metal oxide particle comprised of metal oxide and a binder, with the binder preferably being a starch solution. The present invention also relates to a method for forming a bound metal oxide particle, with the pref... | 12/16/2003 |
| 6656876 | Squaric acid activated carrier usable for immobilization of compounds containing amine groups A storage stable composition comprising a carrier usable for the immobilization of compounds containing an amine group, for instance biomolecules and/or affinity ligands. The carrier has been activated to exhibit a squaric acid derivative linked to the ca... | 12/02/2003 |
