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5876595 |
Adsorption medium and method of preparing same
An adsorption medium that includes a finely divided substrate provided on at least a portion of its surface with the polymerization product of a silane that includes (a) two or three olefinic...
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5876597 |
Anionic dye-containing polymer
Disclosed is a process of separating protein using a polymeric composition. The composition includes a polymer formed from at least one monomer containing a polymerizable moiety chemically bonded...
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5868938 |
Chiral stationary phases for chromatographic separation of optical isomers
The invention relates to chiral polymers which are bonded to a support and have improved properties, a process for the preparation of these materials and their use as chiral stationary phases in...
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5863857 |
Adsorbent containing composition for use in insulating glass units
An adsorbent containing composition for use in an insulating glass unit is provided. The composition includes a depolymerized butyl rubber having a low viscosity average molecular weight which is a...
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5827947 |
Piezoelectric sensor for hydride gases, and fluid monitoring apparatus comprising same
A sensor element for detection of a trace fluid component in a fluid stream or other fluid environment, comprising a piezoelectric crystal having a fundamental resonant frequency in response to an...
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5824622 |
Porous microcomposite of perfluorinated ion-exchange polymer and metal oxide, a network of silica, or a network of metal oxide and silica derived via a sol-gel process
Porous microcomposites comprising a perfluorinated ion-exchange polymer (PFIEP) containing pendant sulfonic acid and/or carboxylic acid groups entrapped within and highly dispersed throughout a...
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5821193 |
Adsorbent having a terminal hydrazine group and a method for removing ketoamine-containing protein
An adsorbent for removing ketoamine-containing protein, which comprises carrying a compound having a terminal functional group of the formula: ##STR1## wherein each of R 1 and R 2 is an organic...
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5800417 |
Absorbent composition comprising hydrogel-forming polymeric material and fiber bundles
Disclosed is an absorbent composition comprising a hydrogel-forming polymeric material and fiber bundles, wherein the absorbent composition exhibits desired absorbent properties. The absorbent...
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5801238 |
Method for producing water absorbent resin and water absorbent
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...
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5801116 |
Process for producing polysaccharides and their use as absorbent materials
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...
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5801220 |
Rapidly disintegrating thickening composition
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...
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5773384 |
Sorbents for removing toxicants from blood or plasma, and method of producing the same
A sorbent for removing toxicants from blood or plasma includes a plurality of beads composed of hyper-crosslinked polystyrene-type resin and having a surface which is modified so as to prevent...
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5744421 |
Monolithic carbonaceous article
A highly adsorbent, temperature-resistant monolithic activated carbon article is obtained by forming an aqueous emulsion of a silsesquioxane binder, combining the resulting aqueous emulsion with...
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5721187 |
Oxygen absorber
An oxygen absorber comprising an active carbon material layer and an oxygen absorbing layer comprising 15-80% by weight of a thermoplastic resin and 85-20% by weight of an oxygen absorbing agent,...
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5686555 |
Absorbents for acids and lyes
The present invention relates to absorbents for aqueous acids or lyes comprising cross-linked, polycationic homopolymers and topolymers of quaternized, monoethylenically unsaturated carboxylic acid...
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5679281 |
Gelled material compositions with modified halopolymer
Gelled material compositions for use as adsorbents and ion exchangers. The composition including a specific extractant, an organic solvent and a halopolymer modified by substitution with a radical...
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5667684 |
Material for removing HIV and its related substances
A material for removing human immunodeficiency virus (HIV) and its related substances from blood, plasma, or other body fluids is provided. The material comprises a porous substrate on which...
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5668078 |
Water-absorbent resin particles and the production thereof
The present invention relates to a process for producing improved water-absorbent resin particles comprising the step of treating water-absorbent particles, which are crosslinked polymers of...
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5652194 |
Process for making thin-wet absorbent foam materials for aqueous body fluids
Relatively thin, collapsed, i.e. unexpanded, polymeric foam materials that, upon contact with aqueous body fluids, expand and absorb such fluids, are disclosed. A process for consistently obtaining...
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5648020 |
Oxygen scavenging composition for low temperature use
Improved compositions for scavenging oxygen are disclosed. These materials, characterized by low degree crystallinity and a glass transition temperature of lower than -15° C., have high oxygen...
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5633290 |
Pore-size selective modification of porous materials
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...
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5624880 |
High density high surface area adsorbents
A particulate adsorbent is the crosslinked polymerization product of a brominated vinyl aromatic monomer and a crosslinking monomer and exhibits a density greater than or equal to about 1.01 grams...
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5620940 |
Process for forming a regenerable supported amine-polyol sorbent
The supported amine-polyol sorbent of the present invention comprises about 1 wt % to about 25 wt % amine, about 1 wt % to about 25 wt % polyol, with the balance being support. This sorbent is...
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5609763 |
Porous support for the removal of small exogenous molecules from biological fluids
Novel sorbents and methods for removing small hydrophobic and amphophilic molecules from biological fluids were disclosed. The methods and materials were particularly useful for removing viral...
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5608123 |
Process for catalytic hydration of olefins
There is provided a process for reacting water and olefin such as ethylene or propylene under mild conditions in the presence of a polyorganosiloxane contaminating sulfonic acid groups to produce...
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5601938 |
Carbon aerogel electrodes for direct energy conversion
A direct energy conversion device, such as a fuel cell, using carbon aerogel electrodes, wherein the carbon aerogel is loaded with a noble catalyst, such as platinum or rhodium and soaked with...
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5599763 |
Absorbent material, absorbent body, and method for production thereof
An absorbent material produced by mixing 100 parts by weight of an absorbent polymer with 1 to 80 parts by weight of synthetic pulp in the presence of 1 to 40 parts by weight of water, an absorbent...
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5571764 |
Absorbent for water and aqueous solutions
The present invention relates to absorbents for water and aqueous solutions, in particular for blood, which contain a product from the tuber of a plant from the family of the Araceae.
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5565139 |
Gel-based vapor extractor and methods
A vapor extraction apparatus includes a gel sorbent capable of absorbing vapor directly into the liquid state and capable of disgorging the absorbed liquid in a phase-transition. The apparatus...
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5561097 |
Method of controlling density of ligand coupled onto supports and products produced therefrom
A method is disclosed for controlling the coupling low molecular weight ligands to activated sites on a support in competition with a quencher of the activated sites. Derivatized supports produced...
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H001579 |
Odor-controlling compositions and articles
Zeolites having "intermediate" SiO 2 /AlO 2 ratios are used to control odors. The intermediate zeolites find use in catamenials, diapers, pantiliners, bandages, and the like, where control of...
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RE35267 |
Separating agent, separator and method of separating cell or virus
A separating agent which includes a polyvinyl acetal resin having open cell structure and an average pore size of from about 10 to about 1000 micrometers; and, porous calcium phosphate granules...
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5506188 |
Adsorptive materials and process for producing them
The specification relates to an adsorptive material for removing malodorous substances from gases and liquids. The adsorptive material comprises a substrate having macromonomers which are bonded to...
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5496937 |
Polysaccharide substances, process for producing them and use of them
A polysaccharide substance having the following formula is provided: ##STR1## Also provided is a method of producing the polysaccharide substance in which an oligosaccharide having a degree of...
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5488023 |
Method of making activated carbon having dispersed catalyst
A method for making an activated carbon supported catalyst, the method comprising combining a carbon precursor and a catalyst precursor, curing the carbon precursor if necessary, carbonizing the...
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5482914 |
Hydrophobic adsorbents and their use for the adsorption of lipoproteins
Adsorbents composed of a polysaccharide support which is suitable for chromatography and is preferably based on agarose which has undergone a chemical reaction with the glycidyl ethers of nonionic...
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5482906 |
Adsorption material comprising activated carbon fiber and polytetrafluoroethylene
An adsorption material and process for producing the same is disclosed, comprising milled activated carbon fiber and together by fibrils of a polytetrafluoroethylene resin. The adsorption material...
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5453186 |
Separating materials
The invention is directed to separating materials comprising a primary or secondary aliphatic hydroxyl group-containing support coated with at least one covalently bonded polymer, wherein (1)...
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5450729 |
Cryopump
A cryopump array is described. Each vane of the array is coated with a 3-dimensional adsorbing structure made up of an adhesive which is transparent to passage of gases to be pumped by adsorption...
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5431807 |
Multimodal chromatographic separation media and process for using same
A process for carrying out in a consecutive fashion different modes of chromatographic separation in a liquid chromatography column using a single separation medium is disclosed. Separation media...
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5422330 |
Sorbent compositions, uses, and methods of manufacture
A dry, particulate sorbent composition containing an organic absorbent, a combustible adsorbent, a water swellable polymer and a water soluble polymer is used to soak up and contain flammable...
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5418203 |
Fuel absorbent and a process for making the fuel absorbent
A fuel absorbent is provided in which polymer particles having a fuel absorbing ability are contained or dispersed in a binder matrix permeable to fuel. The fuel permeates the binder and is...
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RE34910 |
Carbon-clad zirconium oxide particles
Carbon-clad zirconium oxide particles are disclosed which are useful in sorbent applications, particularly as packing materials for High Performance Liquid Chromatography (HPLC). A method for the...
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5401393 |
Reactive adsorbent and method for removing mercury from hydrocarbon fluids
A method is disclosed for synthesizing a reactive sulfur-containing adsorbent material for removing metals, preferably mercury, from hydrocarbon fluids. The method includes impregnating a porous...
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5393724 |
Process for removing oxidizable substance or reducible substance, composite containing metal oxide or hydroxide, and process for production thereof
An oxidizable substance and/or a reducible substance is removed from a liquid, such as a liquid industrial waste, by treating the liquid with a composite comprising a fluorine-containing organic...
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5388637 |
Activated carbon absorbent with integral heat transfer device
An integral adsorbent-heat exchanger apparatus for use in ammonia refrigerant heat pump systems. The apparatus has a finned tube heat exchange member. A bonded, pyrolyzed activated carbon adsorbent...
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5389449 |
Sulfonamide bonded hydrophilic coatings
A method of derivatizing a chromatography matrix having a hydrophobic surface involves reacting the hydrophobic surface with a halosulfonating agent to produce a significant amount of halosulfone...
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5385689 |
Process and composition for purifying semiconductor process gases to remove Lewis acid and oxidant impurities therefrom
Scavenger compositions useful for purifying process gas streams, such as process gas streams, such as hydrogen, nitrogen, noble gases, diborane, and hydride gases from Groups IVA-VIA of the...
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5374357 |
Filter media treatment of a fluid flow to remove colloidal matter
Colloidal matter is removed from a fluid flow by first adsorbing a coagulant onto the surface of a finely divided filter media, and thereafter passing a colloid-containing fluid through the filter...
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5364963 |
Supported rhodium catalyst, method of preparing same and process of producing acetic acid by methanol carbonylation using same
A methanol carbonylation catalyst includes a rhodium complex supported on a porous, cross-linked vinylpyridine resin, wherein the vinylpyridine resin has a cross-linking degree of 30-60%, a pore...
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