Patents
Patents for B01J 20 - Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof (48,616)
03/1991
03/27/1991EP0419307A1 Zeolite of the mazzite family, method for its synthesis and its use as a catalyst
03/27/1991EP0418847A1 Plant for processing a filtration slurry containing essentialy diatomaceous earth and process for operating the plant
03/27/1991EP0418563A1 Void-containing sorbent pad
03/26/1991US5003024 Organosiloxane amine copolycondensates, method of their preparation and use (I)
03/26/1991US5002984 Product for the absorption of metal ions
03/26/1991US5002814 Superabsorbent fibre flocks, methods for their production and application
03/26/1991US5002742 Inorganic oxide sorbents for sulfur oxides
03/26/1991US5002669 Separation agent comprising 1,3-glucan
03/26/1991US5002613 Boron resins of high selective absorbent power
03/26/1991CA1282063C Separation and purification of cyclodextrins
03/26/1991CA1281864C Nonwoven web with improved softness
03/23/1991CA2025823A1 Process for the preparation of disilane
03/21/1991WO1991003547A1 Process for the adsorption of odorous substances from fermentation liquors
03/21/1991WO1991003428A1 Absorbent materials and use thereof
03/21/1991WO1991003317A1 Microporous adsorbent
03/21/1991WO1991003307A1 Process for cutting down combustion emissions from transports and fixed plants
03/21/1991WO1991003297A1 Process and device for adsorptive separation of materials
03/21/1991WO1991003257A1 Methods for activating polymeric carriers and compositions prepared therefrom for use in affinity chromatography
03/20/1991EP0417971A2 Method of cleaning surfaces
03/20/1991EP0417910A2 Method of making highly adsorptive polymers
03/20/1991EP0417802A1 Hydrogen storage body
03/20/1991EP0417755A1 Packing for chromatography and its use for separating water soluble organic compounds
03/20/1991EP0417586A2 Silane derivatives
03/20/1991EP0417577A1 Treated silica for oil absorption
03/20/1991EP0417407A1 Shaped bodies of macroporous ion exchanger resins and their use
03/20/1991EP0417238A1 Silicon-containing environment-protective agent adsorbing radioactive metal isotopes and toxic heavy metals and a pharmaceutical composition containing same.
03/20/1991CN1050047A Low temp. activation gas-absorbent of non-loose evaporating type and its produciton technology
03/19/1991US5001098 5A zeolite/kaolinite adsorbent for gas purification
03/19/1991US5001063 Treatment of cellulosic ion exchange composites in hot aqueous medium to increase adsorption of macromolecules
03/19/1991US5000996 Filler material for spacer rods or spacer frame of insulated glass
03/19/1991US5000931 Halogen modification of aluminophosphate molecular sieves
03/19/1991US5000848 Rotary filtration device with hyperphilic membrane
03/19/1991CA1281700C Zeolite ssz-23
03/19/1991CA1281675C Product and process for increasing enzyme adsorption
03/15/1991CA2024603A1 Method of cleaning surfaces
03/14/1991DE4028355A1 Microporous adsorbent
03/14/1991DE3930284A1 Verfahren zur adsorption von geruchsstoffen aus fermenterbruehen Fermenterbruehen process for the adsorption of odor materials from
03/14/1991DE3929712A1 Removing traces of moisture from cable - by applying electrochemical mixt. of metal powders in or on material which swells up in water, seals cable, and decomposes water
03/13/1991WO1991004292A1 Absorbent material and uses thereof
03/13/1991EP0416748A1 Quaternised pei silica solid supports for chromatography
03/13/1991EP0416272A1 Formed organosiloxanaminpolycondensates, process for their preparation and their use
03/13/1991EP0416271A2 Aminoalkyl substituted organopolysiloxane-thiourea derivatives, process for preparing these and their use
03/13/1991EP0416078A1 Composite element comprising a polyether or copolyether, process for its preparation and its use for the extraction and separation of metallic cations
03/13/1991CN1049798A Disposable oxide carrier for scavenging hydrogen sulfide
03/13/1991CN1011959B Preparation method for molecular sieve compositions
03/13/1991CA2021099A1 Treated silica for oil absorption
03/12/1991US4999413 Organosiloxane amine copolycondensates, method of their preparation and use (II)
03/12/1991US4999330 Compacted Carbon Particles Using a Methyl Cellulose or Polyvinyl Alcohol Binder
03/12/1991US4999175 Selective Adsorption By An Amine-Containing Active Agent
03/12/1991CA2025101A1 Catalyst for conversion of synthesis gas into hydrocarbons
03/12/1991CA1281246C Polymer membrane for proton driven ion transport
03/08/1991CA2005917A1 Method for activating polymeric carriers and compositions prepared therefrom for use in affinity chromatography
03/07/1991WO1991002699A1 Microwave method
03/07/1991DE4028357A1 Adsorptive sepn. using microporous adsorbent - esp. travelling strip through which medium flows, useful for immuno:complex formation
03/06/1991EP0415079A1 Formed organosiloxanaminpolycondensates, process for their preparation and their use
03/06/1991CN1011880B Prepn. of sodium-base bentonite from calcium-base bentonite
03/05/1991US4997966 Chromatography, chemical condensation
03/05/1991US4997965 Enantiomeric silanes, modified packing material, and use thereof
03/05/1991US4997804 Low density, resorcinol-formaldehyde aerogels
03/05/1991US4997803 Calcium oxide, phosphate
03/05/1991CA1281022C Peat pellets
03/05/1991CA1281021C Layered silicate
03/05/1991CA1280878C Dehydrating and water-retaining sheet
03/01/1991WO1991003422A1 Disposable oxide carrier for scavenging hydrogen sulfide
02/1991
02/28/1991DE4011400A1 Treating liquids, slurries and pastes - by contact with comminuted organic fibres of high absorption capacity, to produce flowable or plastic material
02/27/1991EP0414382A1 Oil spill cleanup compositions
02/27/1991CN1011790B Preparation method of zeolite oil decolorizer
02/26/1991US4996343 Stable silica-based ether bonded phases for biopolymer separations
02/26/1991US4996181 Mixture of oxides, hydroxides, carbonates or basic carbonates of zinc, copper and one of groups 3,4,5,6 or 7
02/26/1991US4995985 Gel bead composition for metal adsorption
02/26/1991US4995984 Supported heteropolycyclic compounds in the separation and removal of late transition metals
02/26/1991US4995808 Carbon desorption heater
02/22/1991WO1991002768A1 Immobilisation of ligands by radio-derivatized polymers
02/22/1991CA2039702A1 Immobilisation of ligands by radio-derivatized polymers
02/21/1991WO1991002041A1 Sheetlike oil-adsorbent material and production thereof
02/21/1991WO1991002006A1 Polysaccharide derivatives and separating agent
02/21/1991WO1991001808A1 Use of tentacle cation exchangers for selective elimination of low-density lipoproteins (ldl), fibrinogens and/or urea from fluids
02/20/1991CN1049375A Catching agent based nickel used in removing arsenic and phosphorous from liquid hydrocarbon process of preparation and uses thereof
02/20/1991CN1049329A Adsorptive separation of paraxylene using diethyltoluene desorbent
02/20/1991CN1011690B Active carbon fluid discharge drying method and unit thereof
02/20/1991CN1011689B Crystalline gallophosphate compositions
02/20/1991CN1011663B Chemical processing with operational step sensitive to feedstream component
02/19/1991US4994429 Oriented monomolecular layer bonded to surface
02/19/1991CA2023387A1 Polymer product for the selective absorption of dissolved ions
02/19/1991CA1280399C Spherical sio2 particles
02/16/1991WO1991002577A1 Blotting methods using polyaldehyde activated membranes
02/16/1991CA2059549A1 Blotting methods using polyaldehyde activated membranes
02/14/1991DE3926539A1 Verwendung von tentakel-kationenaustauschern zur selektiven eliminierung von low-density-lipoproteinen (ldl), fibrinogen und/oder harnstoff aus fluessigkeiten Use of tentacle-cation selective elimination of low-density lipoproteins (LDL), fibrinogen and / or urea from liquids
02/13/1991EP0412862A1 Nickel-based adsorbens for arsenic and phosphor removal from liquid hydrocarbon fractions, its preparation and its use
02/13/1991EP0412363A2 Process for improving the water absorption capacity of crosslinked, water swellable polymers
02/13/1991EP0412215A1 Adsorptive separation of para-xylene.
02/13/1991EP0412079A1 Filtering medium for technical filters.
02/13/1991CN1049143A Environmentally safe method for the removal of residual polyethers from aqueous waste streams
02/13/1991CN1049111A Pickling acid heat activation for concavo-convex rod stone clay
02/12/1991WO1991001721A1 Cyclodextrin polymer beads
02/12/1991US4992620 Removal of trialkyl arsines from fluids
02/12/1991US4992410 Oxygen-absorbing package, composition and method of formulation thereof
02/12/1991US4992326 Hydrophilic polymers for incorporating deodorants in absorbent structures
02/12/1991US4992319 Activated carbon supporting honeycomb structure and process for fabricating the same
02/12/1991US4992180 Bringing chitosan into contact with aqueous solution containing metal