Patents
Patents for B01J 20 - Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof (48,616)
12/1999
12/02/1999CA2336463A1 Modified polymers having controlled transmission rates
12/02/1999CA2333778A1 Extrusion product based on hydrated lime
12/01/1999EP0960853A1 Regenerative adsorber and process for operating a regenerative adsorber
12/01/1999EP0960647A1 Process for the removal of water from evacuated chambers or from gases
12/01/1999EP0960154A1 Porous composite product particularly with high specific surface area, method for preparing and electrode for electrochemical assembly formed with a porous composite film
12/01/1999EP0959975A1 Novel affinity ligands and their use
12/01/1999EP0959846A1 Absorbent articles having an odour control system comprising absorbent gelling material and silica
12/01/1999EP0871687A4 Process for upgrading the flash zone gas oil stream from a delayed coker
12/01/1999CN1237115A Air-cleaning filter, method of producing same, and high-level cleaning device using air-cleaning filter
12/01/1999CN1236667A Adsorbent for removing iron carbonyl
12/01/1999CN1236666A Carbonyl metal adsorbent and preparing process thereof
12/01/1999CN1236661A Process for removal of water from evacuated chambers or from gases
11/1999
11/30/1999US5994440 Free-flowing; crosslinking; water insoluble
11/30/1999US5994423 Polymer containing sulfonic acid groups; hydrophilic
11/30/1999US5994260 Catalytic exhaust system
11/30/1999US5993935 Capable of forming a covalent chemical bond to a nucleophilic ligand without the need for an intermediate activation step. the composite article is useful in diagnostic devices, in affinity purifications and enzyme immobilization.
11/30/1999US5993773 Having a sio2 /al2o3 molar ratio of 1.9 to 2.1 and a water adsorption of 35.0% by weight or more when converted to the na type, and comprising particles having smaller primary particle size and particles having larger primary particle size
11/30/1999US5993688 Package containing a carrier having a metal-loaded cation exchange material wherein the metal is incorporated into said material by cation exchange of a metal ion and reduction of said metal ion to its zero-valence state. food preservation.
11/30/1999US5993656 Selective fluid absorbing device
11/30/1999US5993653 Porous particles having a surface, the surface of said particles having hexyl-phenyl bonded thereto, wherein said polmer-based chromatobraphic support is silica gel.
11/30/1999US5993650 Granular carrier for treating sewage or waste water, method for producing the same and apparatus for treating sewage or waste water by using the granular carriers
11/30/1999US5993516 Clinoptilolite having a sodium ion content of at least 17 equivalent percent of the total ion exchangeable cations
11/30/1999CA2191211C Porous carbonaceous material, process for producing the same, and use thereof
11/30/1999CA2158561C Isolation of the calcium-phosphate crystals of bone
11/25/1999WO1999060090A1 Premix composition for clarifying beer
11/25/1999WO1999059943A1 Olefin purification by adsorption of acethylenics and regeneration of adsorbent
11/25/1999WO1999059916A1 Process for adsorbing a gas
11/25/1999DE19817703A1 High-permeability filter bed with adsorptive properties, used e.g. for simultaneous adsorption of different types of substances
11/25/1999DE19813655A1 Speichermaterial für Schwefeloxide, Verfahren zu dessen Herstellung und Verwendung Storage material for sulfur oxides, process for its preparation and use
11/25/1999CA2332504A1 Olefin purification by adsorption of acethylenics and regeneration of adsorbent
11/24/1999EP0958335A1 Additive to be sprayed into the combustion chambers of heating plants and process for preventing high temperature corrosion
11/24/1999EP0958055A1 Poly n-cyclic aromatic ligands bonded to solid supports for removing and concentrating ions from solutions
11/24/1999EP0958046A1 Cell separation composition, kit and method
11/24/1999EP0958045A1 Modified porous starch
11/24/1999EP0958035A2 Method for producing microporous elements, the microporous elements thus produced and uses thereof
11/24/1999EP0958030A1 Filter material production process
11/24/1999EP0678055B1 Desiccant-coated substrate and method of manufacture
11/24/1999EP0656919B1 Porous copolymers having a cellular polymeric structure suitable for preparing ion-exchange resins and adsorbents
11/24/1999CN1236095A Method of analyzing substances existing in gas
11/24/1999CN1235930A Method of producing carbon
11/24/1999CN1235869A Adsorbent having heterogeneous exchange factor and PSA process employing such adsorbent
11/24/1999CN1235868A Arsenic adsorbent and fluorine adsorbent using soil as raw material and its producing method
11/23/1999US5990373 Purification, detoxification
11/23/1999US5990372 Purification by adsorbing impurities with an adsorbent having iron oxide and manganese oxide placed on a alumina support material
11/23/1999US5990182 Polymer packing material for liquid chromatography and a producing method thereof
11/23/1999US5990106 Antibiotics; 3-azabicyclo(3.2.0)hept-3-yl group joined at given position of a pyridonecarboxylic acid residue, such as 7-(1-amino-3-azabicyclo(3.2.0)hept-3-yl)-1-cyclopropyl-6,8-difluoro-1,4 -dihydro-4-oxoquinoline-3-carboxylic acid
11/23/1999US5989434 Method for removing metal ions from solution with titanate sorbents
11/23/1999US5989316 Rapid nitrogen adsorption relative to methane using heat resistant barium exchanged alkali titanium silicate molecular sieve
11/23/1999CA2015789C Oligomerization of olefins
11/18/1999WO1999059161A1 Antimony silicate sorbent for removal of metal ions
11/18/1999WO1999058448A1 Carbonaceous chars having reduced catalytic activity
11/18/1999WO1999058217A1 A new chromatographic method and chromatographic columns therefor
11/18/1999WO1999046031A9 Decarbonating gas streams using zeolite adsorbents
11/18/1999DE19821469A1 Separation of polychlorinated dioxins and furanes from waste gases, especially from combustion plants
11/18/1999DE19821144A1 Verfahren zur Herstellung von pulverförmigen heterogenen Stoffen A process for the preparation of pulverulent heterogeneous substances
11/18/1999DE19820645A1 Escape of volatile substances from waste water treatment prevented
11/17/1999EP0957358A1 Packing material for high-speed liquid chromatography
11/17/1999EP0957064A1 Process for preparing powdery heterogeneous materials
11/17/1999EP0956156A1 Imprinted materials
11/17/1999EP0956155A1 Use of hydrophobic zeolites, syringe and method for removing of preservatives from a polypeptide solution
11/17/1999EP0956154A1 Process for the manufacture of chemical absorbents, and chemical absorbent formulations
11/17/1999EP0956147A1 Membrane module with hollow fibre membranes arranged in layers
11/17/1999EP0956139A1 Method and device for removing harmful substances, in particular dioxin
11/17/1999EP0888178A4 Sorbents for removing toxicants from blood or plasma, and method of producing same
11/17/1999EP0883573A4 Removal of borate in chromatography
11/17/1999CN1046431C Acid gas adsorbing fibers and manufacturing process and apparatus thereof
11/16/1999US5985790 Method of making acid contacted enhanced aluminum oxide adsorbent particle
11/16/1999US5985778 Method and compositions for stabilization of heavy metals, acid gas removal and pH control in contaminated matrices
11/16/1999US5985442 Non-woven fabric mat bodies sandwich moisture absorbent; sewn together by needle punching; building deodorizers
11/16/1999US5985432 Porous absorbent materials having modified surface characteristics and methods for making the same
11/16/1999US5985112 Dispersing nanofibers and scaffold particulates in medium to form suspension, separating medium from suspension to form packed bed.
11/16/1999US5985008 Using particulate activated carbon of specific pore character
11/16/1999US5984110 Device for purifying lightly laden water
11/16/1999US5983667 Cryogenic system for producing ultra-high purity nitrogen
11/16/1999CA2193949C Carbon adsorbent, manufacturing method therefor,gas seperation method and device therefor
11/16/1999CA2005926C Process for immobilising a protein on a solid phase
11/14/1999CA2232460A1 A new dewatering product
11/11/1999WO1999056871A1 Purification elements and packs
11/11/1999WO1999056870A1 Gas-occluding material and method for occluding gas
11/11/1999WO1999056869A1 Liquid-absorbent granules
11/11/1999WO1999056868A1 Reactivation of partially utilized sorbent
11/11/1999WO1999056867A2 Integrated fixation systems
11/11/1999DE19843887A1 Hygiene granulate useful as litter for animals, especially cats, and sorbent for spilt liquid
11/11/1999CA2331984A1 Reactivation of partially utilized sorbent
11/10/1999EP0955542A1 Method for separating pth amino acids
11/10/1999EP0955087A1 Gas adsorption sheet and air-purifying filter
11/10/1999EP0955086A2 Method for production of shaped hydrogel of absorbent resin
11/10/1999EP0954725A1 Method and means for purifying air with a regenerable carbon cloth sorbent
11/10/1999EP0954374A1 Methods and devices for the reduction of small organic compounds from blood products
11/10/1999EP0954368A1 Method and installation for eliminating gaseous organic substances in the air
11/10/1999CN1234782A Method for producing LSX zeolite granular agglomerates with low inert binding material ratio
11/10/1999CN1234367A Process for recovering, separating and purifying NO gas
11/10/1999CN1234289A Storage material for sulfur oxides
11/10/1999CN1046307C Refrigeration by carbon dioxide adsorption/desorption
11/10/1999CN1046214C Preparation method for hydrogen chloride adsorbent
11/10/1999CN1046213C Normal temp. zinc oxide desulfurizing agent and preparing method therefor
11/09/1999US5981799 Method for the purification of acetaminophen
11/09/1999US5981676 Composed of a copolymer having long chain branches comprising units derived from monomers of ethylene and at least one vinyl unsaturated alicyclic monomer, a transition metal catalyst, a photoinitiator
11/09/1999US5981467 Containing quatenary nitrogen unit
11/09/1999US5980996 System and method for controlling water flow through ground with a geotextile comprising water absorbing material