Patents
Patents for B01J 20 - Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof (48,616)
01/1994
01/11/1994US5277963 Filter sheet material
01/11/1994US5277915 Gel-in-matrix containing a fractured hydrogel
01/11/1994US5277813 Shielded stationary phases
01/11/1994US5277791 Zeolite from the class of mazzite, process for its synthesis, and its use as a catalyst
01/11/1994CA1326007C Supported heteropolycyclic compounds in the separation and removal of late transition metals
01/11/1994CA1326006C Particulate material suitable for selectively separating metal cations from aqueous solutions, process for its production, and use thereof
01/11/1994CA1325965C Bicomponent material
01/06/1994WO1994000408A1 High performance chiral selector
01/06/1994WO1994000383A1 Dual impregnated activated carbon
01/06/1994WO1994000382A1 Activated carbon by treatment of lignites with potassium and/or sodium hydroxide or salts and adsorption therewith
01/06/1994WO1994000230A1 Novel absorbent sulphur oxide composition and use thereof
01/06/1994WO1994000214A1 Passivated and stabilized porous supports and methods for the preparation and use of same
01/06/1994CA2138376A1 Activated carbon by treatment of lignites with potassium and/or sodium hydroxide or salts and adsorption therewith
01/05/1994EP0577226A1 Lignosulfonate-modified calcium hydroxide for SO2 control during furnace injection
01/05/1994EP0576738A1 Absorbent hydrogel fines in absorbent structures
01/05/1994EP0576695A1 Organo-aluminum hydroxyde compounds
01/05/1994EP0576547A1 Processes for recovering citric acid
01/05/1994EP0576494A1 Continuous chromatography.
01/05/1994DE4221205A1 Reprocessing of carriers made of soluble carrier and coated with silver@ amalgam - comprises dissolving carrier in solvent e.g MEK, and e.g. sepg. soln. for silver@ amalgam, for reuse in processes for removal of mercury@ from liquids
01/05/1994CN1080210A Synthesis and application of saponin selective adsorption resin
01/05/1994CN1080209A Deodorant drier and preparing process thereof
01/04/1994US5276103 Nitrile polymers reacted with hydroxylamine to form groups of imidedioxime or amidoxime
01/04/1994US5276062 HPLC avidin monomer affinity resin
01/04/1994US5275838 Immobilized polyethylene oxide star molecules for bioapplications
01/04/1994US5275799 Process for preparing a crystalline zeolite
01/04/1994US5275640 Operating absorbers alternately
12/1993
12/29/1993EP0576198A1 Preparation of carbonaceous particles
12/29/1993EP0575945A2 Composite porous carbonaceous membranes
12/29/1993EP0575612A1 Method for obtaining composite sorbents
12/29/1993EP0575540A1 Reduction of sulfur emissions from coal-fired boilers
12/29/1993EP0567529A4 Oxygen-absorbing label
12/29/1993CN1023298C Isolated material
12/28/1993US5274169 Method of preparing insoluble hydrolysable tannin and method of treating waste liquid with the tannin
12/28/1993US5274167 A N-(meth)acryloyl amino acid amide
12/28/1993US5273737 Method for the preparation of crystalline gallosilicates, and their use for the preparation of catalysts and adsorbents
12/28/1993US5273660 Aminoalkylphosphonic acid containing ligands attached to solid supports for removal of metal ions
12/28/1993CA1325607C Filter apparatus
12/26/1993CA2098658A1 Porous pyrolyzed polyacrylonitrile
12/23/1993WO1993025735A1 Fibre and film
12/23/1993WO1993025594A1 Supports having azlactone-functional surfaces, adduct supports, and methods of preparing same
12/23/1993WO1993025592A1 An adiabatic process for the preparation of ion exchange and adsorbent copolymers
12/23/1993WO1993025307A1 Products having multiple-substituted polysiloxane monolayer
12/23/1993WO1993025306A1 Process of removing ions from solutions using a complex with sulfur-containing hydrocarbons also containing electron withdrawing groups bonded to a solid hydrophilic matrix
12/23/1993WO1993025293A1 Apparatus and method for reversed permeation membrane extraction of compounds from sample solutions
12/23/1993WO1993025247A1 Immobilized polyethylene oxide star molecules for bioapplications
12/23/1993DE4320671A1 Fuel absorber system used in control devices - comprises binder matrix which is permeable to fuel and dispersed polymer particles with high fuel absorption capacity
12/23/1993CA2137828A1 Fibre and film
12/23/1993CA2137360A1 An adiabatic process for the preparation of ion exchange and adsorbent copolymers
12/23/1993CA2136011A1 Apparatus and method for reversed permeation membrane extraction of compounds from sample solutions
12/23/1993CA2136004A1 Supports having azlactone-functional surfaces, adduct supports, and methods of preparing both
12/22/1993EP0574642A1 Procedure for the preparation of powders and suspensions of amorphous silicon dioxide microspheres
12/22/1993EP0574575A1 Method for isolating biomolecules with linear polymers
12/21/1993US5272126 Adsorption type packing for gas chromatography and process for producing the same
12/21/1993US5271920 Activation of zeolites
12/21/1993US5271914 Process for adsorbing the vapor of alcoholic fuels
12/21/1993US5271907 High temperature regenerable hydrogen sulfide removal agents
12/21/1993US5271833 Polymer-coated carbon-clad inorganic oxide particles
12/21/1993CA1325494C Powdered polymer, process for its preparation and its applications to aqueous fluids absorption
12/15/1993EP0573446A1 Adsorbent material
12/15/1993CN1079415A Hydrogen chloride adsorbing agent and preparation method thereof
12/15/1993CN1023075C Process for manufacturing hydrated cured products of lime-gypsum-coal ash mixture
12/14/1993US5270280 Carbon particles with porous surface
12/14/1993US5270279 Production process of formed activated coke for SOx and NOx removal having high NOx-removing ability
12/14/1993US5269140 Exhaust gas purifier for methanol-fueled engines
12/14/1993CA1325310C Process for the preparation of monodispersed polymer beads
12/14/1993CA1325203C2 Use of porous spherical grains of poly(ó-amino acid) as a filler in chromatography
12/09/1993WO1993024684A1 Fibre and film
12/09/1993WO1993024221A1 Oxygen absorber
12/09/1993WO1993024205A1 Biofiltration of gases
12/09/1993WO1993024200A1 Chemically bound fullerenes to resin and silica supports and their use as stationary phases for chromatography
12/09/1993CA2136353A1 Fibre and film
12/08/1993EP0573303A1 Granular fluid stabilizing sorbent
12/08/1993EP0572907A2 Chemically synthesized silanes that bind nucleic acids
12/08/1993EP0299063B1 Hydrophilic article and method of producing same
12/08/1993CN1079229A Crosslinked methacrylic anhydride copolymers
12/08/1993CN1023019C Semi-dry acid method for hot activation of adobe clay
12/08/1993CN1022984C Pickling acid heat activation for concavo-convex rod stone clay
12/08/1993CN1022983C Lead elimination ionic sieve
12/07/1993US5268442 Chromatography separation
12/07/1993US5268162 Method for producing a particulate zeolite and a particulate zeolite produced thereby
12/07/1993US5268152 Zinc oxide and phosphate
12/07/1993US5268109 Using an ammonium cationic compound containing cycloalkyl or aryl ring substitutions
12/07/1993US5268098 Separation agent comprising aliphatic or aromatic ester of polysaccharide
12/07/1993US5268097 Passivated and stabilized porous mineral oxide supports and method for the preparation and use of same
12/07/1993US5268023 Crystalline structure
12/07/1993CA1325008C Process of decolorizing aqueous sugar solutions via adsorbent resins, desorption of color bodies from the adsorbent resins
12/07/1993CA1325002C Article manufacturing process from divided products
12/07/1993CA1325001C Process for the recovery of the desorbate that occurs during the desorption of charged sorption materials, and an apparatus for carrying out this process
12/07/1993CA1325000C Absorbent for free hemoglobin
12/02/1993DE4217679A1 New cyclic guanosine-3,5-phosphoro-thioate derivs. - useful as ligands in affinity chromatography or for treating e.g. thromboses,. asthma, hypertonia or arteriosclerosis
12/02/1993DE4217451A1 Moisture exchange element
12/02/1993DE4217353A1 Protein sepn. by column chromatography - uses silica gel coated with double lipid layer
12/02/1993CA2097229A1 Removal in aircraft of components from fluid mixtures
12/02/1993CA2096193A1 Chemically synthesized silanes that bind nucleic acids
12/01/1993EP0572115A2 Crosslinked methacrylic anhydride copolymers
12/01/1993EP0571952A1 Reversible oxygen sorbent compositions
12/01/1993EP0571438A1 Aerogels as vehicles for sponging agent systems
12/01/1993CN1078923A Process for the separation of certain elements from aqueous solutions resulting from the reprocessing of spent nuclear fuels
11/1993
11/30/1993USRE34457 Separating agent
11/30/1993US5266542 Synthetic film of zeolite crystal body and method for manufacturing the zeolite film