Patents
Patents for B01J 20 - Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof (48,616)
09/1990
09/20/1990DE3908400A1 Process and apparatus for regenerating carbon-containing laden adsorbents
09/20/1990CA2011670A1 Absorbent structures with odor control
09/19/1990EP0388140A1 A process for preparing adsorptive porous resin beads
09/19/1990EP0388120A1 Highly water-absorptive powdery polymer composition
09/19/1990EP0387928A2 Desulfurizing agent and process for manufacturing thereof
09/19/1990EP0387604A1 Desiccant tablets
09/19/1990EP0221959B1 Removing and recovering plant polyphenols
09/18/1990WO1990011390A2 Composite element comprising a polyether or copolyether, process for its preparation and its use for the extraction and separation of metallic cations
09/18/1990US4958015 Preparation of crosslinked cyclodextrin resins with enhanced porosity
09/18/1990US4957897 Carbonaceous adsorbents from pyrolyzed polysulfonated polymers
09/18/1990US4957890 Surface treated permeable inorganic membranes and method of making same
09/18/1990US4957620 Liquid chromatography using microporous hollow fibers
09/18/1990CA2030547A1 Composite element incorporating a polyether or copolyether, its preparation process and its use for extracting and separating metal cations
09/15/1990CA2012118A1 Process for preparing adsorptive porous resin beads
09/14/1990CA2012007A1 Activated carbon for recovery of gold
09/13/1990DE3907167A1 Process for producing a dehumidifier element
09/12/1990EP0386926A2 Silica gel supports suitable for chromatographic separations
09/12/1990EP0386229A1 Support-bound oligonucleotides.
09/12/1990EP0248857B1 Process for the simultaneous dry absorption of s o 2 and reduction of n o x in fluidized bed furnaces
09/11/1990US4956183 Composition comprising copper compound
09/11/1990US4956126 Metal-oxide-silica adsorbent and process for refining oil using the same
09/11/1990US4956096 Process for removing from electrocoating baths impurities which cause surface defects
09/11/1990CA2011840A1 Desiccant tablet
09/11/1990CA2010350A1 Desulfurizing agent and process of producing it
09/10/1990WO1990010495A1 Particulate absorbent material
09/10/1990CA2049054A1 Particulate absorbent material
09/10/1990CA2011873A1 Process for improving the physical and catalytic properties of fluid cracking catalysts
09/09/1990WO1990010491A1 Method and apparatus for achieving high reaction rates in solid-gas reactor systems
09/07/1990WO1990009844A1 Method for intercalating organic-swelled layered metal chalcogenide with polymer chalcogenide
09/07/1990WO1990009832A1 High performance affinity chromatography column comprising non-porous, monodisperse polymeric packing material
09/05/1990EP0385773A2 Pressure Pack Dispenser
09/05/1990EP0385587A1 Ion-exchange composition employing resin attachment to dispersant and method for forming the same
09/05/1990EP0365635A4 Process for decolorizing aqueous sugar solutions via adsorbent resins, and desorption of color bodies from the adsorbent resins
09/05/1990CN1009436B Dispensation formuld and production process of iron-grain deoxidizer and application
09/04/1990US4954599 Adsorbers in spherical form
09/04/1990US4954562 Water absorbent resins
09/04/1990US4954469 Granulated activated carbon for water treatment
09/04/1990US4954444 Enzyme immobilization and bioaffinity separations with perfluorocarbon polymer-based supports
09/04/1990US4954326 Preparation of crystalline aluminosilicate zeolite, and its product
09/04/1990CA1273473A1 Purification process for aqueous hydrazin hydrate
09/02/1990CA2011422A1 Gas storage and dispensing system
08/1990
08/30/1990DE3904642A1 Bindemittel fuer fluessigkeiten Binders such as liquid
08/29/1990EP0384596A2 Thin silica flakes and method of making
08/29/1990EP0384540A1 Process for isomerization of a hydrocarbon stream
08/29/1990EP0272306B1 Oligomerization of olefins
08/29/1990EP0271563B1 Layered silicates and their synthesis
08/29/1990EP0270659B1 Layered metal oxides containing interlayer oxides and their synthesis
08/28/1990US4952519 Protein immobilization with poly(ethyleneimine) derivatized with a hydroprobic group
08/28/1990US4952388 Method of treating phyllosilicates
08/28/1990US4952383 Adsorbers, catalyst
08/28/1990US4952382 Having a crystal structure of the pyroaurite-sjogrenite-hydrotacite, the hydrocalumite or the ettringite group and combined witha matrix; treating a flue gas from hydrocarbon conversion
08/28/1990US4952349 Macroporous polymeric membranes for the separation of polymers and a method of their application
08/28/1990US4952323 Mixing with hydroxyapatite having controlled particle sizes gives removal of low molecular weight proteins after dialysis
08/28/1990US4952322 Method for absorbing free hemoglobin from blood
08/28/1990US4952321 Process of removing and concentrating desired ions from solutions
08/23/1990WO1990009238A1 Affinity chromatography
08/23/1990WO1990009237A1 Supports for immunoaffinity separations
08/23/1990WO1990009235A1 Method for producing a cellular body
08/23/1990CA2008449A1 Thin silica flakes and method of making
08/22/1990EP0383105A1 Process for the preparation of a carbon dioxide adsorption mass
08/22/1990EP0180900B1 Process for the adjustment of the structure and/or surface characteristics of oxidized materials
08/22/1990CN2060773U Health sheet for purifying potable water
08/21/1990US4950816 Passing through activated carbon to remove unsaturated impurities
08/21/1990US4950712 Polymers derived from crosslinked polystyrenes and dextrans, their methods of preparation and their applications for the analysis and purification of molecules of biological origin
08/21/1990US4950635 Method for producing dual zone materials by catalyzed halosilylation
08/21/1990US4950634 Method for producing dual zone materials by use of an organosilane mixture
08/21/1990US4950464 Purification of sulfuryl fluroide by selective adsorption
08/21/1990US4950419 Process, composition, and apparatus for purifying inert gases to remove lewis acid and oxidant impurities therefrom
08/21/1990US4950405 Monomolecular film with amphoteric host capable of chemically binding with nucleophilic group on surface
08/21/1990US4950312 Silica-bound calcium-containing zeolite a granulate
08/17/1990WO1990009236A1 Binder for liquids
08/16/1990EP0382215A1 Porous adsorbent for beta-2-Microglobulin
08/16/1990DE3917646C1 Agglomeration of natural or synthetic polymer powder - obtd. by agglomerating small sized fractions of powder in presence of soln. or dispersion of agglomerating aid
08/15/1990CN1009163B Method of regenerating zeolite
08/14/1990US4948816 Spherical grains of polyamino acid and production method thereof
08/14/1990US4948814 Ion exchanger based on cross-linked glucomannan
08/14/1990US4948506 Physicochemically functional ultrathin films by interfacial polymerization
08/14/1990US4948395 Chiral separation media
08/14/1990CA1272674A1 Lamination anchoring method and product thereof
08/11/1990WO1990009099A1 Animal litter
08/11/1990CA2046340A1 Animal litter
08/11/1990CA2009731A1 Process for the production of an absorption mass for carbon dioxide
08/09/1990WO1990009396A1 Peptide and adsorbent comprising same immobilized on carrier
08/09/1990WO1990008751A1 Carbon molecular sieves for purification of chlorofluorocarbons
08/09/1990WO1990008584A1 Novel aminoglycoside affinity media for separation of macromolecules
08/09/1990CA2026881A1 Peptide and adsorbent thereof immobilized on carrier
08/08/1990EP0381631A2 Getter materials for the vacuum insulation of liquid hydrogen storage vessels or transport lines
08/08/1990EP0381453A1 Method for removing mercury from hydrocarbon oil by high temperature reactive adsorption
08/08/1990EP0381002A1 Process for the desorption of adsorbents
08/08/1990EP0380825A2 Crystalline aluminophosphates and related compounds
08/08/1990EP0380747A2 Filler material for distance profile rods or distance profile frames of insulating glazings
08/08/1990EP0150221B1 Packing for use in separation
08/08/1990CN1044415A Adsorbant for purificn. of polyolefines and process for prepn. thereof
08/08/1990CN1044414A Modification of crosslinked clay and its catalyst
08/08/1990CN1044410A Regeneration for adsorbing dry material
08/08/1990CN1009058B Optically active adsorbents
08/07/1990US4946814 Adding an acid stable anionic fluoroarbon surfactant to slurry then spray drying
08/07/1990US4946660 Desulphurization
08/07/1990US4946581 Using hydrorefining catalysts
08/02/1990DE3902921A1 Oxygen absorbent and use of the same