Patents
Patents for B01J 20 - Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof (48,616)
06/1990
06/06/1990EP0371692A2 Verfahren zur Herstellung eines Ethers.
06/06/1990EP0371636A2 Improved affinity supports for hemoperfusion
06/06/1990EP0371258A2 Surface-hydrated porous polyacrylonitrile substrates, such as beads derivatives thereof, process for their preparation, and methods for their use
06/06/1990EP0371013A1 Reagent and process for binding polymers to micro-organisms in aqueous solutions.
06/05/1990US4931525 Optical active (meth)acrylamides and polymers thereof for racemate resolution
06/05/1990US4931498 Immobilized artificial membranes
06/05/1990US4931497 Containing unsaturatd carboxylic, sulfonic or phosphonic acid monomers, crosslinking; absorbers for water
06/05/1990US4931289 Oral phosphate ion adsorbent
06/05/1990US4931184 Chromatographic separation
06/05/1990CA1270001A1 Oligomerization of olefins
06/05/1990CA1269972A1 Method of producing high-strength high surface area catalyst supports
05/1990
05/31/1990WO1990005710A2 Minimizing deactivation of ether synthesis catalyst
05/31/1990WO1990005706A1 Precipitant or flocculant for treatment of waste water and process involving their use
05/30/1990EP0370688A1 Purification of saturated halocarbons
05/30/1990EP0370623A2 Process for producing hydrated and cured product of lime-gypsum-coal ash mixture
05/30/1990EP0370260A2 Porous polymer beads and process
05/30/1990EP0370259A2 Process for the preparation of porous polymer beads
05/30/1990EP0370177A1 Method for the preparation of a large-pore shaped carbon
05/30/1990EP0370141A1 Method and apparatus for removing cyanogen chloride from air
05/30/1990EP0370140A1 Method and apparatus for removing hydrogen cyanide, cyanogen and cyanogen chloride from air
05/30/1990CN1042481A Special purpose drink activated-carbon for removing bitter and unpleasant taste in alcoholic
05/29/1990US4929589 Metal oxide/hydroxide particles coated with phosphate esters
05/29/1990US4929587 Method for intercalating organic-swelled layered metal chalcogenide with polymer chalcogenide by treatment with polymeric chalcogenide precursor in inert atmosphere
05/29/1990US4929484 Filling material for percolating filters for the treatment of liquids and process for producing and assembling it
05/29/1990CA1269653A1 Bioactive substance purification process through biospecific adsorption
05/23/1990EP0369769A2 Liquid chromatography using microporous hollow fibers
05/23/1990EP0369715A1 Boehmite-type aluminium hydroxide, process for preparing same and phosphate ion adsorbent containing same as effective component
05/23/1990EP0369713A2 Oxygen-complexing ultrathin films by interfacial polymerization
05/23/1990EP0369275A1 Precipitant or flocculant for treating waste water, and process using this agent
05/23/1990EP0369171A1 Peptized activated carbon/alumina composite
05/23/1990CN1008081B Process for preparing spherical sio2 particles
05/23/1990CN1008074B Method for steam treatment of diatomite carrier
05/23/1990CA2003450A1 Porous polyacrylonitrile polymer beads and process
05/23/1990CA2003448A1 Process for the preparation of porous polyacrylonitrile polymer beads
05/22/1990US4927879 Method for solid phase membrane mimetics
05/22/1990US4927750 Cell separation process
05/22/1990US4927749 Organosilane-modified silica
05/22/1990CA2003485A1 Sorbent based on cyclodextrin
05/22/1990CA2003039A1 Purification of saturated halocarbons
05/22/1990CA1269491A1 Recovery of ammoniacal copper with organogels
05/22/1990CA1269224A1 Crystalline gallophosphate compositions
05/17/1990WO1990005021A1 Composition for cleaning gas and process for its production
05/16/1990EP0368138A1 Adsorbent for chromatography
05/16/1990EP0367886A1 Hydrophilic monomers, polymers thereof and their applications
05/16/1990CN1042088A Porcess for manufacturing hydrated cured products of lime-gypsum-coal ash mixture
05/16/1990CN1007965B Composite porous matercal, process for production and separation of metallic
05/15/1990US4925826 Mixing hydration, calcining; cat litter
05/15/1990US4925819 Type l zeolite containing group 8 noble metal
05/15/1990US4925818 Fixing bioactive substance to mineral particulate carrier by connecting silane
05/15/1990US4925614 Method of making shaped bodies for use in the construction trades from power-plant clarifier sludge
05/15/1990US4925589 Addition acrylic type polymer
05/15/1990US4925460 Adsorption; lithium exchanged
05/15/1990US4925343 Mixture of wood fibers and cotton linters
05/15/1990CA2002370A1 Liquid chromatography using microporous hollow fibers
05/15/1990CA1269089A1 Selective adsorbent for co and method of manufacturing the same
05/09/1990EP0367717A1 Apparatus for carrying out sorption processes
05/09/1990EP0367148A1 Agents and method for purifying gases and waste gases from heavy metals, and method of producing these agents
05/09/1990EP0367106A2 Organosiloxane amine copolycondensates, process for preparing these and their use
05/09/1990EP0367105A2 Organosiloxane amine copolycondensates, process for preparing these and their use
05/09/1990EP0367104A2 Organopolysiloxane thiourea derivatives, process for preparing these and their use
05/09/1990EP0367002A1 Carbonic-acid esters of polysaccharides and process for their preparation
05/09/1990EP0366946A1 Removal of process chemicals from labile biological mixtures by hydrophobic interaction chromatography
05/09/1990CN1041970A Making method of zeolite oil decolorizer
05/08/1990US4923980 Coupling of reducing sugar to matrix
05/08/1990US4923843 Cements, forming green body, heat treatment
05/08/1990US4923610 Macroporous polymeric membranes for the separation of polymers and a method of their application
05/08/1990CA1268874A1 Process for the preparation of filler-containing, anionically modified polyurethane (urea) compositions, the polyurethane (urea) compositions so- obtained, and the use thereof
05/08/1990CA1268718A1 Filter for separating substances having lipophilic and/or oleophilic and/or apolar properties from different liquids, gases and vapors
05/03/1990WO1990004786A1 Hapten derivatized capture membrane and diagnostic assays using such membrane
05/03/1990WO1990004456A1 Superabsorbant package
05/03/1990WO1990004455A1 Oil spill absorbent material
05/03/1990DE3935904A1 Modified calcium hydroxide powder for heavy metal removal from gas
05/02/1990EP0366254A1 Deoxidizer sheet
05/02/1990EP0366252A1 Porous rigid resins and process of preparation
05/02/1990EP0366042A2 Adsorbent for optical resolution and resolution method employing it
05/02/1990EP0365635A1 Process for decolorizing aqueous sugar solutions via adsorbent resins, and desorption of color bodies from the adsorbent resins.
05/02/1990CN1041751A Process for purification of linear paraffins
05/02/1990CN1041709A Process for preparation of aluminium-oxide oil purifier
05/02/1990CN1041707A Osmotic absorbents
05/02/1990CN1007822B Method for refining glyceride oils using amorphous silica
05/01/1990CA1268454A1 Preparation of high surface area agglomerates for catalyst support and preparation of monolithic support structures containing them
04/1990
04/25/1990EP0365490A1 Apparatus and method for the removal of impurity gases from inert gases and the ensurance of extremely low levels of hydrogen
04/25/1990EP0365449A1 Immunoadsorbent with weak release rate and process for its production
04/25/1990EP0364824A1 Process of removing and concentrating desired ions from solutions thereof
04/24/1990US4920152 Reversed-phase packing material and method
04/24/1990US4919818 Process for extruding and treating clay for improved filtration
04/24/1990US4919811 Affinity membranes having pendant hydroxy groups and processes for the preparation and use thereof
04/24/1990US4919804 Ultrasound driven synthesis of reversed and normal phase stationary phases for liquid chromatography
04/24/1990US4919803 Liquid chromatographic chiral stationary phase
04/24/1990CA1268295A1 Water absorbent acrylic copolymers
04/24/1990CA1268165A1 Catalyst for decreasing the content of nitrogen oxides in flue gases
04/24/1990CA1268018A1 Catalyst for decreasing the content of nitrogen oxides in flue gases
04/20/1990CA2000440A1 Low release rate immunoadsorbent and process for obtaining such immunoadsorbent
04/19/1990WO1990003944A1 Synthesis of zeolites having a faujasite structure
04/19/1990DE3834831A1 Process and device for reactivating a carbon filter
04/18/1990EP0364352A1 Method for the synthesis of zeolites belonging to the structural family of faujasite, products obtained and their use in adsorption and catalysis
04/18/1990EP0363613A2 Method for the production of active carbon
04/17/1990US4918036 Reacting a group ii a metal sulfate under reducing and hydrolyzing conditions; high temperature removal of sulfur from sulfate to make acceptor sites sox
04/17/1990US4917956 Crosslinked with polyisocyanates, coating solid substrate
04/17/1990US4917711 Adsorbents for use in the separation of carbon monoxide and/or unsaturated hydrocarbons from mixed gases