Patents
Patents for B01J 20 - Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof (48,616)
05/1989
05/09/1989US4829036 Desorption and reduction of oxides of sulfur and nitrogen
05/09/1989US4828882 Fluidized beds, biomass
05/09/1989US4828710 Reversible absorption
05/09/1989US4828695 Reaction product of porous inorganic particles, epoxy silane, polyvinyl alcohol
05/09/1989US4828606 Process for preparing intermetallic compounds or hydrides thereof
05/09/1989CA1253840A1 Iron-containing silicate having zsm-5 crystalline structure, its method of preparation, and its use in hydrocarbon conversions
05/09/1989CA1253837A1 Layered oxides containing interlayer polymeric oxides and their synthesis
05/05/1989WO1989003675A1 Superparamagnetic particles, a way of producing said particles and their use
05/03/1989EP0314449A2 High-surface-area compositions
05/03/1989EP0314026A1 Particle agent for the selective removal of metal cations from aqueous solutions, process for its production and its use
05/03/1989DE3836475A1 Magnetische teilchen, verfahren zu ihrer herstellung und ihre verwendung Magnetic particles, processes for their preparation and their use
05/03/1989DE3735729A1 Process for manufacturing an activated-carbon filter, and an activated-carbon filter manufactured according to the process
05/02/1989US4826825 Foods, drugs, cosmetics, chemicals, dessication
05/02/1989US4826790 Production of porous mullite bodies
05/02/1989US4826789 Porous inorganic materials
05/02/1989US4826497 Fibrous absorbent articles having enhanced deodorizing properties
04/1989
04/27/1989DE3735251A1 Method and device for producing naturally refined air
04/26/1989EP0313090A2 Porous ceramic material
04/26/1989CN2036448U Turnover machinery for solid materials
04/25/1989US4824950 Optically active groups bound to surface
04/25/1989US4824870 Polyaldehyde activated membranes
04/25/1989US4824810 Highly porous ceramic material for absorption and adsorption purposes, particularly for animal litter/bedding, process for the production thereof and the use thereof
04/25/1989US4824578 Method of purifying bioactive substances by biospecific adsorption
04/25/1989CA1253129A1 Porous inorganic materials
04/25/1989CA1252994A1 Animal litter and process for the production thereof
04/25/1989CA1252982A1 Extrusion of silica-rich solids
04/20/1989WO1989003434A1 Supported heteropolycyclic compounds in the separation and removal of late transition metals
04/19/1989EP0312377A2 Method of preparing thin film composite membranes by suspension deposition, and use of such membranes
04/19/1989EP0312242A2 Ion exchanger based on cross-linked glucomannan
04/18/1989US4822863 Antibody or enzyme binding support intermediate
04/18/1989US4822681 Activated polymer solid bodies and processes for the production thereof
04/18/1989US4822596 Skin composition
04/18/1989US4822593 Chromatographic packing
04/18/1989US4822579 Device for the deacidification of water
04/18/1989US4822492 Latex polymer bonded crystalline molecular sieves
04/18/1989CA1252948A1 Process for purifying proteins
04/18/1989CA1252744A1 Ultrapurification of factor ix and other vitamin k- dependent proteins
04/18/1989CA1252716A1 Lipoprotein adsorbent for use in extracorporeal circulation treatment and process for preparing thereof
04/13/1989DE3733389A1 Protective flap for laryngectomised patients
04/12/1989EP0311244A1 Complex of magnesium oxide and titanium dioxide as a phosphate adsorbent
04/12/1989EP0310916A2 Process for preparation of a zeolite powder
04/12/1989EP0310904A1 Treated substrates for chromatographic use
04/12/1989CN2035653U Honeycombed active carbon absorbent
04/11/1989US4820812 Oligonucleotide derivatives and production thereof
04/11/1989US4820773 Water absorbent resins prepared by polymerization in the presence of styrene-maleic anhydride copolymers
04/11/1989US4820681 Bulk or solution polymerization of oxygen-free binder-free monomers; then carbonization; selectively absorb carbon dioxide
04/11/1989US4820318 Removal of organic compounds from gas streams using carbon molecular sieves
04/11/1989US4819342 Support covered with substance with high osmotic pressure and water soluble thickener
04/11/1989CA1252451A1 Method of separating carbon monoxide and carbon monoxide adsorbent used in this method
04/11/1989CA1252344A1 Particles, modified at their surface by hydrophilic and hydrophobic groups
04/06/1989WO1989003037A1 Selective immobilization and detection of mycotoxins in solution
04/06/1989WO1989002709A1 Oxygen removal
04/06/1989DE3831557A1 Column for liquid chromatography
04/06/1989DE3732026A1 Thermal purification of electrostatic precipitator ash which is polluted with ammonia or ammonium salts
04/06/1989DE3732025A1 Chemisorption filter for the elimination of tobacco smoke and solid and gaseous substances from breathing air
04/05/1989EP0310310A2 Filter aid for analytical use and method for preparing the same
04/05/1989EP0309910A2 Desulfuration masses containing zinc oxide
04/05/1989EP0309489A1 Fused-silica microbore packed chromatography column with chemically modified column wall
04/04/1989US4818687 Affinity column and process for detection of low molecular weight toxic substances
04/04/1989US4818598 Absorbent structures
04/04/1989US4818394 Separating agent
04/04/1989US4818373 Process for upgrading tar and bitumen
04/04/1989CA1252002A1 Porous materials having two different reaction surfaces
03/1989
03/30/1989DE3830812A1 Verfahren zur entfernung von schadstoffen aus einem abgasstrom A process for removing pollutants from an exhaust gas stream
03/30/1989DE3730731A1 Composition for preventing the absorption of heavy metals consumed with the diet
03/29/1989EP0309277A2 Respiratory mask having a rigid or semi-rigid, insert-molded filtration element and method of making
03/29/1989EP0308409A1 Process for producing carbon molecular sieves.
03/29/1989EP0150222B1 Deoxidant
03/29/1989CN1031946A Dehydrogenation catalyst and process for preparing it
03/28/1989US4816499 Porous inorganic particles modified with amino and carboxyl groups
03/28/1989US4816100 Feminine hygiene tampon and method and apparatus for making same
03/28/1989CA1251890A1 Macroporous bead polymers, a process for their preparation and their use
03/23/1989WO1989002449A1 Reagent and process for binding polymers to micro-organisms in aqueous solutions
03/23/1989WO1989002412A1 Solid filtration medium incorporating alumina and carbon
03/22/1989EP0308235A2 Attachment of compounds to polymeric particles using carbamoylonium compounds
03/22/1989EP0308206A2 Polyaldehyde activated membranes, their production and use
03/22/1989CN1031804A Absorbent for greasy flue gas and its preparation method
03/21/1989US4814077 Cellulose or agarose surface treated with aromatic amine
03/21/1989CA1251440A1 Adsorbents based on phyllosilicic acids which have been modified so as to be organophilic
03/15/1989EP0307296A1 Method of inducing an absorption or desorption reaction between a gas and a solid
03/15/1989EP0306840A2 Catalysts for absorptive air separation
03/15/1989EP0306772A1 Lateral flow chromatographic binding assay device
03/15/1989EP0306617A2 Use of Adsorbent and of apparatus for removing autoantibodies
03/14/1989US4812486 Absorbent resin with excellent stability
03/14/1989US4812444 Dehydration of hydrous matter using anhydrous glycosylfructose
03/14/1989US4812436 Metal-oxide-silica adsorbent for bleaching and refining oil
03/14/1989US4812362 Polymeric coating on glass or silica gel, chromatography
03/09/1989WO1989001912A1 Crystalline aluminumphosphate compositions
03/09/1989WO1989001813A1 Cellular receptor adsorbents for removal of viral contaminants from blood and complex protein solutions
03/09/1989DE3729030A1 Mercury adsorbent
03/09/1989DE3728859A1 Moisture exchange element
03/08/1989EP0306335A1 Analysis of ions present at low concentrations in solutions containing other ions
03/08/1989EP0306334A2 Macrocyclic ligands bonded to silica or silica gel and their use in selectively and quantitatively removing and concentrating ions present at low concentrations from mixtures thereof with other ions
03/08/1989EP0306214A1 Novel stannosilicates and preparation and use thereof
03/08/1989CN1031545A Hydrophilic polymers for incoporating deodorants into absorbent structures
03/08/1989CN1031484A Dispensation formuld and production process of iron-grain deoxidizer
03/07/1989US4810827 Dehydration of hydrous matter using anhydrous aldohexose
03/07/1989US4810784 2-amino-2-deoxyglycopyranosyl unit to substance having amino group
03/07/1989US4810381 Composite chromatographic article
03/07/1989US4810266 Carbonized crosslinked polymer, mono- or diethanolamine