Abstract: 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 compressed metal oxide composition particle, with the preferred method including compressing a metal oxide and binder mixture to form compressed metal oxide composition particles having a final particle size of between about 0.1 mm and about 200 mm.

Abstract: 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 invention is useful in treating aqueous systems, including wastewater and aqueous waste streams, by removing undesired heavy metals.

Abstract: 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 curve obtained in a process of temperature elevation in differential scanning calorimetry (DSC) on the separating agent. Also, disclosed is a method of evaluating asymmetry recognition ability of a separating agent for enantiomeric isomers. The method includes performing the differential scanning calorimetry (DSC) of a separating agent for enantiomeric isomers having supported thereon an enantiomerically active polymer compound to obtain a differential calorimetric curve in a process of temperature elevation therein, and observing presence or absence of an exothermic peak of the polymer compound in the differential calorimetric curve before a decomposition temperature of the supported polymer compound is reached.

Abstract: 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. It is particularly valuable as a chiral stationary phase in enantiomeric separations and enantiomeric analysis.

Abstract: 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 compositions are also useful for the treatment of water and wastewater streams associated with the running of industries and with the production and maintenance of livestock. Advantages of these novel compositions include use of them without need for pH adjustment and/or the presence of electropositive metals, inorganic acid, or alkaline compounds. One embodiment of these novel compositions comprises: (1) a sufficient amount of organic modified clay, (2) a highly crosslinked carbohydrate polymer with branched-chain structure containing sulfide and/or disulfide groups, or an alloy or blend of such a polymer with triazine-trithione sodium salt, (3) high swelling sodium bentonite or calcium bentonite, and (4) activated carbon.

Abstract: 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 filterable composite adsorbent products which are suitable for use in filtration applications, and which comprise one or more microparticulate or colloidal adsorbent components selected from the group consisting of silica gel, fumed silica, neutral clay, alkaline clay, zeolite, solid catalyst, alumina, adsorbent polymer, alkaline earth silicate hydrate, and combinations thereof, which bear the property of adsorption, which are intimately bound to one or more functional filtration components selected from the group consisting of biogenic silica (e.g., diatomite, rice hull ash, sponge spicules), natural glass (e.g.

Abstract: 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.

Abstract: Disclosed is a carbon dioxide absorbent formulation comprising: a pharmaceutically acceptable hydroxide essentially free of sodium, potassium and barium hydroxides; calcium and/or magnesium chloride; a hardening agent; and a non-film-forming binding agent.

Abstract: 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 preferred method including extruding and pelletizing a metal oxide and binder composition to form pelletized metal oxide particles.

Abstract: 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 carrier and is placed in contact with an aqueous medium. A kit comprising the storage stable composition is also disclosed.

Abstract: 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 are gradually released by the carrier, which is compatible with the environment and current tendencies towards the use of organic and biodegradable products. The composition comprises a carrier and an active ingredient. The carrier is characterized as being particles obtained from the milling, separation, air wash and classification of the different fractions obtained from corncobs.

Abstract: The present invention provides porous mineral oxide beads which have large pore volumes and enhanced stability. The beads are based on a tetravalent metal oxide, such as zirconia, titania or hafnia. These highly porous beads are produced from a mixture of tetravalent mineral oxides, mineral pore inducing agents which are oxides or salts of trivalent metals, and optional binders. The porous mineral beads can be filled with a polymer gel and used for adsorption and chromatography applications.

Abstract: The present invention relates to a cellulosic particle body comprising interconnected cellulosic small particles with small interparticle spaces and to a method of producing said cellulosic particle body which comprises dispersing cellulosic small particles in an alkaline medium and contacting the resulting suspension with a coagulating solution. In this specification, the above technology will be referred to as the first invention.

Abstract: A personal care absorbent article, such as a sanitary pad or napkin, wound dressing, and the like having one or more layers of absorbent material treated with a red blood cell lysing agent and a gelling agent. The effect of combining a lysing agent that thins menses or other blood-containing bodily fluids with a gelling agent that thickens menses or other blood-containing bodily fluids is enhanced agglomeration and increased viscosity of the blood-containing bodily fluids that come in contact with the treated material.

Abstract: The present invention provides compositions including a mixture containing sulfides and/or polysulfides of ammonium, sodium, potassium, lithium, etc.

Abstract: 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-triazine derivative is reacted with an excess of an amino compound at a higher temperature to achieve high levels of substitution. The resulting support matrix with ligand is useful in the affinity separations of antibodies. Further, a mercapto heterocyclic system ligand may be attached to the super matrix and useful in affinity separations of antibodies.

Abstract: A matrix is disclosed including a core showing a system of micropores and a surface in which the micropore system has openings. The characterizing feature is that the surface is coated with a polymer (I) having such a large molecular weight that it cannot penetrate into the micropores.

Abstract: A particulate absorbent, for the absorption of liquids, comprising particles selected from the group consisting of particles of glass-like polysaccharides and of particles of glass-like polysaccharides occluding, in their internal structure, at least one surfactant, said particles:

Abstract: A particulate absorbent, for the absorption of liquids, comprising particles selected from the group consisting of particles of glass-like polysaccharides and of particles of glass-like polysaccharides occluding, In their internal structure, at least one surfactant, said particles: having a size of up to 620 &mgr;m; being at least 70% of a glass-like type structure; and being: 30 to 45% of a size comprised between 620 and 420 &mgr;m; 35 to 55% of a size comprised between 420 and 210 &mgr;m; and 5 to 25% of a size up to 210 &mgr;m. These particulate absorbent is non-hygroscopic, hypoallergenic and biodegradable and useful particularly in biodegradable diapers.

Abstract: An oxygen-absorbing composition containing particulate annealed electrolytically reduced iron of between about 100 mesh and 325 mesh in an amount of about up to 63% by weight, a salt such as sodium chloride in an amount by weight of about up to 3.5%, and a water-supplying component comprising activated carbon. with liquid water therein of a mesh size of between about 20 mesh and 50 mesh in an amount by weight of up to about 85% in an envelope which will resist the passage of liquid water out of the envelope but will permit flow of oxygen into the envelope at a satisfactory rate.

Abstract: An object of the present invention is to provide a composition for use in adsorption treatment which is easy to handle; a method for easily preparing the composition in the form of grains without inhibiting its adsorption ability; products such as an adsorption treatment device and a filter for air-cleaning formed with the composition; and a method of adsorption treatment. The composition for use in adsorption treatment of the present invention includes an adsorbing substance which is reactive with components to be adsorbed in the presence of moisture, a water-absorbing substance, and a binder, wherein the binder is 1.3 to 8 weight percent with respect to the water-absorbing substance.

Abstract: A method of processing peat for use in treating a contaminated aqueous solution, especially storm water runoff entering a sewer system. The method includes mixing raw peat with heated sulfuric acid to produce a slurry. The slurry is dried and then mixed with a binder medium to produce an aggregate material. The aggregate material is extruded to form a plurality of pellets. The plurality of pellets are then baked in an oven preferably providing a low oxygen environment at a temperature in the range of approximately 900-1100 degree F. Peat processed in accordance with the present invention serves as both an ion exchange material as well as an organic retention material.

Abstract: Process for, in layers of a porous matrix, exhibiting the groups A, introducing a functionality using a reagent I, introducing the functionality by a reaction with the groups A. The characterizing feature is that the matrix is contacted with a functional deficiency of reagent I and that conditions and reagent I are chosen so that the reaction between reagent I and the groups A is more rapid than diffusion of reagent I in the matrix.

Abstract: The invention relates to adsorption material for radionuclides based on a fine fibrous material containing chitin. The material is obtained from fungi and insoluble ferrocyanides of the transition metals, especially copper ferrocyanide. The adsorption material is especially well suited for cleaning liquid radioactive wastes produced in the atomic industry and by nuclear power stations.

Abstract: A novel 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. It is particularly valuable as a chiral stationary phase in enantiomeric separations and enantiomeric analysis.

Abstract: There is provided a packing material having a carrier coated with a substance having a separating capacity for high-performance liquid chromatography, wherein the performance of the packing material can be sufficiently exhibited with little dispersion of separating capacity thereof. The packing material contains part of a coating solvent remaining therein, whereby the excellent separating capacity of the packing material can be exhibited.

Abstract: A stable composition for removing unwanted molecules from a surface comprises functionally-available cyclodextrin and cyclodextrin-compatible surfactant, wherein the cyclodextrin-compatible surfactant is selected from the group consisting of castor oil surfactant, sorbitan ester surfactant, polyethoxylated fatty alcohol surfactant, polypropoxylated fatty alcohol surfactant, glycerol mono-fatty acid ester surfactant, polyethylene glycol fatty acid ester surfactant, polypropylene glycol fatty acid ester surfactant, fluorocarbon surfactant, and mixtures thereof. The compositions are suitable for capturing unwanted molecules from inanimate surfaces, including fabrics, including carpets, and household surfaces such as countertops, dishes, floors, garbage cans, ceilings, walls, carpet padding, air filters, and the like, and from animate surfaces, including skin, hair, and the like. The compositions can further comprise other cyclodextrin-compatible and -incompatible materials and other optional ingredients.

Abstract: The present invention provides porous mineral oxide beads which have large pore volumes and enhanced stability. The beads are based on a tetravalent metal oxide, such as zirconia, titania or hafnia. These highly porous beads are produced from a mixture of tetravalent mineral oxides, mineral pore inducing agents which are oxides or salts of trivalent metals, and optional binders. The porous mineral beads can be filled with a polymer gel and used for adsorption and chromatography applications.

Abstract: A hydrogel product for adsorption wherein water non-soluble support matrix is cross-linked with polymers which give rise to a water swellable adsorbent. As support matrix an organic polymer or a combination of such are used; e.g. polysaccharides such as agar, cellulose, or starch, proteins and components of proteins and polysaccharides. The support matrix is substituted with a first soluble polymer material chemically bound to the support matrix, whereupon additional polymer materials are built into the primary synthesized support matrix polymer complex through different kinds of cross-oinks whereby optionally the support matrix is present in the form of an acid- and base-stable residue.

Abstract: An oxygen-absorbing composition containing particulate annealed electrolytically reduced iron of between about 100 mesh and 325 mesh in an amount of about up to 63% by weight, a salt such as sodium chloride in an amount by weight of about up to 3.5%, and a water-supplying component comprising activated carbon with liquid water therein of a mesh size of between about 20 mesh and 50 mesh in an amount by weight of up to about 85% in an envelope which will resist the passage of liquid water out of the envelope but will permit flow of oxygen into the envelope at a satisfactory rate.

Abstract: 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 preferred method including extruding and pelletizing a metal oxide and binder composition to form pelletized metal oxide particles.

Abstract: The invention provides separating agents for optical isomers which have a high optical resolving power inherent in polysaccharide derivatives and high solvent resistance, and which can be produced through short process steps; a process for producing the same, and a method for separating optical isomers. The invention also provides separating agents for optical isomers, wherein the surface of a polysaccharide derivative supported on a carrier or the surface of a pulverized or granulated polysaccharide derivative is coated with a polymer, which are produced by supporting the polysaccharide derivative on the carrier and then coating the surface thereof with the polymer to thereby immobilize the polysaccharide derivative on the substrate, or by grinding or spheroidizing the polysaccharide derivative and then coating the surface thereof with a polymer.

Abstract: The present invention relates to microporous starch granules surface coated with a hydrophobic agent said granules useful in absorbing hydrophobic malodorous materials either from the liquid or gas phase. The hydrophobic granules are useful in controlling the malodors associated with catmenials and hygienic undergarments as well as being useful for absorbing unwanted food and other environmental malodors.

Abstract: There is provided a packing material having a carrier coated with a substance having a separating capacity for high-performance liquid chromatography, wherein the performance of the packing material can be sufficiently exhibited with little dispersion of separating capacity thereof. The packing material contains part of a coating solvent remaining therein, whereby the excellent separating capacity of the packing material can be exhibited.

Abstract: A fire retardant absorbent material including coir fibres and/or coir dust, an effective quantity of a fire retardant material in the form of small particles, the particle size of the fire retardant material being of the order of less than 1 micron to ensure that the fire retardant material substantially penetrates or substantially coats at least a substantial proportion of the coir fibres present in the absorbent material.

Abstract: A composition for a granular solid possessing superior absorbancy for absorbing oils. The composition includes perlite plaster aggregate, corn starch, and sodium bicarbonate, all being dry and powdered. Proportions of the constituent materials is nine parts by volume perlite aggregate, two parts by volume corn starch, and one part by volume sodium bicarbonate.

Abstract: A polymer modifying agent for use in increasing the shelf life of natural rubber. The polymer modifying agent consists of a zeolite, a high molecular weight fatty acid, a starch, a catalyst, and rubber processing oil and aliphatic resin. The compound bonds with the rubber, particularly the polymer chains of the rubber being encapsulated by the zeolite, preventing the aging effect caused by oxidation and light. The compound also acts to disperse the silica evenly throughout the rubber. The inventive compound is also composed of components that are non-toxic. A method of blocking the effects of premature curing of rubber is also provided. The method includes a step of adding the inventive compound to the rubber.

Abstract: An absorbent, microporous foam comprising a crosslinked polymer having interconnected fluid cells distributed throughout its mass, wherein the fluid cells have a diameter of between about 0.1 and about 100 .mu.m, and wherein the foam can rapidly absorb at least about twice its dry weight in fluid, is disclosed. Also disclosed is a method for producing such microporous, absorbent foams. In this method: (a) a crosslinkable polymer and a first solvent are mixed to form a stable solution which can be induced to phase separate; (b) the stable solution is induced to phase separate into a polymer concentrated phase and a polymer dilute phase; (c) the polymer is induced to crosslink in the polymer concentrated phase for a predetermined period of time thereby forming a microporous material; and (d) the microporous material is dried to produce the absorbent foam.

Abstract: Novel and improved chiral stationary phases (CSP) materials comprising a support and completely regiodefined derivitized cyclodextrin chemically bonded via single or double urethane linkage(s) universally applicable in HPLC, LC, TLC, and CCE are obtained using a process based on the almost quantitative reaction of pre-synthesized regiodefined per-functionalized mono- or di- azidocyclodextrin with primary amines.

Abstract: Relating to chromatographic processes and ion-exchange and affinity matrices, a spatial installation method for a bifunctional reagent that crosslinks and/or activates a polymer matrix is disclosed, with inside-outside installation of a bifunctional reagent on and within a polymer matrix. The polymer matrix is cellulose, agarose, or chitosan particles. The installation may be followed by inside-outside ligand attachment, by further reacting the matrix with a ligand or ionic group so that a higher concentration of ligand or ionic moiety occurs on the intra-particle volume than the outer matrix surface.

Abstract: There is provided a packing material having a carrier coated with a substance having a separating capacity for high-performance liquid chromatography, wherein the performance of the packing material can be sufficiently exhibited with little dispersion of separating capacity thereof. The packing material contains part of a coating solvent remaining therein, whereby the excellent separating capacity of the packing material can be exhibited.

Abstract: A method for producing a water absorbent resin comprising the step of radically polymerizing a water-soluble radically polymerizable monomer having an acid group or a group of the salt thereof and optionally a polysaccharide in the presence of water using a crosslinking agent (C), wherein 0.0001 to 1 weight % of a thiol compound (D) having a radically polymerizable double bond, based on the above mentioned water-soluble radically polymerizable monomer (A), is used as the copolymerizing component to provide a water absorbent resin having a high absorbency and a good gel stability after absorbing body fluid, and a water absorbent comprising the water absorbent resin produced thereby.

Abstract: A rapid disintegrating and dispersing composition for thickening liquid waste into a thixotropic gel comprises a polymeric acrylic resin and a colloid-forming mixture of microcrystalline cellulose and sodium carboxymethylcellulose. Additional ingredients preferably used in making a tableted form of the composition include microcrystalline cellulose per se, polyvinylpolypyrrolidone, magnesium stearate and amorphous silica. The tablet is placed in suitable containment means such as a containment bag. The thixotropic properties of the composition enable the gelled waste to be restored to a liquid when small amounts of hand pressure are applied to the waste containment bag, thereby providing a convenient and simple means for disposal.

Abstract: A solid composition of matter comprising one or more polysaccharides which has a coarse particle size is provided. The composition demonstrates absorbent properties and is useful in absorbent articles of manufacture. Also provided is a method for preparing the compositions.

Abstract: A separating agent which comprises a polysaccharide derivative having an Mw/Mn (wherein Mw and Mn represent the weight-average molecular weight calculated as polystyrene and the number-average molecular weight calculated as polystyrene, respectively), which indicates the extent of molecular weight distribution, of 1 to 3.When liquid chromatography is effected using this separating agent as a column packing, the base line is highly steady, various types of solvents can be used as the eluent, and low-molecular polysaccharide derivatives are not eluted.

Abstract: A synthesis is described for the preparation of cationic polymer materials with a semisynthetic matrix, having superabsorption characteristics towards water and saline solutions. More particularly, cellulose cationic derivatives are described, having superabsorption characteristics, which are obtained starting from cellulose substrates which are reacted with an excess of quaternary ammonium compound in an alkaline medium.

Abstract: A process for preparing a cellulose ester liquid chromatographic stationary phase by reacting cellulose with an aromatic acid halide, such as p-toluoyl chloride, in the presence of a base catalyst, such as pyridine, the reaction temperature and the concentration of base catalyst being below the temperature and concentration at which the cellulose ester dissolves, the reaction time being less than the reaction time at which the cellulose ester dissolves. Similarly, a process for preparing a cellulose carbamate liquid chromatographic stationary phase by reacting cellulose with an aromatic isocyanate, such as 3,5-dimethyl phenyl isocyanate, in the presence of a base catalyst, such as pyridine, the reaction temperature and the concentration of base catalyst being below the temperature and concentration at which the cellulose carbamate dissolves, the reaction time being less than the reaction time at which the cellulose carbamate dissolves.

Abstract: A method of pore-size selective chemical modification of materials having pores of about 1 to 1,500 nm is disclosed. The resulting novel porous materials are particularly useful as separation media in chromatography, for selective isolation, adsorption and catalysis.

Abstract: A method for conditioning sludge is disclosed which includes adding a treatment material to the sludge, the treatment material including pieces of cellulose with a hydrophobic agent applied thereto. A method for conditioning sludge is disclosed which includes adding a treatment material to the sludge, and the treatment material including pieces of cellulose with wax applied thereto, the pieces of cellulose ranging in size between one-eighth inch and seven-sixteenths inch in a largest dimension and having about 0.5% to about 3% wax by weight, and at least ninety percent of surface area of the pieces of cellulose covered with wax.

Abstract: A mixture of chemical substances such as optical isomers, geometrical isomers and polymers having different molecular weight ranges is separated to each ingredient by use of a cellulose derivative having an aromatic ring in the chromatographic method.