Patents
Patents for B01J 20 - Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof (48,616)
07/1989
07/11/1989US4846968 Cellulose triacetate and carrier; chromatographic elution
07/11/1989US4846962 Furfural, phenol or methylpyrrolidone solvent extraction
07/11/1989US4846370 Sphere based fluid systems
07/11/1989CA1257299A1 Chemically durable porous glass and process for the manufacture thereof
07/05/1989EP0323055A2 Composite cromatographic article
07/05/1989EP0322742A2 Process for preparing a haptinized polysaccharide matrix
07/05/1989EP0322708A2 Polymers with amide groups in the side chains
07/04/1989US4845066 Preparation of pillared clay
07/04/1989CA1256848A1 Process for the production of activated carbon
07/04/1989CA1256847A1 Apparatus and process for regnerating active carbon
07/04/1989CA1256846A1 Process for recovering adsorbent for use in extracorporeal circulation treatment
06/1989
06/29/1989WO1989005691A1 Hydrophobic carbon molecular sieves
06/28/1989EP0322171A2 Material for use in the preservation of perishable goods
06/28/1989EP0321703A1 Absorbent for serum amyloid protein
06/28/1989EP0321597A1 Selective adsorbent for binding low-density lipoproteins
06/27/1989US4843105 Process for the preparation of filler-containing, antionically modified polyurethane (urea) compositions, the polyurethane (urea) compositions so-obtained, and the use thereof
06/27/1989US4842935 Surface hydrophobic filler with adsorbed lipophilic crown compound
06/27/1989US4842909 Filler minimizes splashing, volatility; vehicle fuel tanks
06/27/1989US4842595 Absorbent article
06/27/1989CA1256419A1 Bonded phase of silica and carboalkoxyalkyl silanes for solid phase extraction
06/27/1989CA1256418A1 Acylated polyethylenimine bound chromatographic packing
06/21/1989EP0321177A2 Substitution of Cr and/or Sn in place of A1 in the framework of molecular sieve via treatment with fluoride salts
06/21/1989EP0320998A1 Apatite packing for liquid chromatography and process for producing the same
06/21/1989EP0320849A1 Apatite packing for liquid chromatography and process for producing the same
06/20/1989US4840975 Polyamino acids; dissolving, dispersing
06/20/1989US4840734 Permeable, closed cell containing vermiculite absorbent
06/20/1989CA1256087A1 Non catalytic solid mullite/crystalline silica material and use thereof
06/20/1989CA1256086A1 Binary ion exchanged type x zeolite adsorbent
06/15/1989WO1989005327A1 Polymers with high rate of absorption of aqueous fluids
06/14/1989EP0320472A1 A process for the manufacture of a gel product
06/14/1989EP0320314A2 Water-absorptive sheet for food package
06/14/1989EP0320194A1 Absorbent for free hemoglobin
06/14/1989EP0320140A1 Solidification and vapor mitigation of aldehyde spills
06/14/1989EP0320114A1 Faujasite-type zeolite and process for making it
06/14/1989EP0320023A2 Macroporous polymeric membranes, their preparation and their use for polymer separation
06/14/1989EP0319818A1 Process for obtaining solid particle by agglomeration
06/14/1989CN1004480B Calcium phosphate type hydroxy apatite and their produced method
06/13/1989US4839439 Preparation of polymer based on polyvinylene carbonate and/or polyhydroxymethylene
06/13/1989US4839331 Microporous vinyl aromatic polymers
06/13/1989US4839318 Method for production of finely porous article using smectite mineral as main component
06/13/1989US4839101 Zirconium phosphate absorption from nitric acid solution
06/13/1989US4838947 Heat and chemical resistance
06/13/1989US4838946 Absorbent of chlorosilane compound
06/13/1989CA1255827A1 Polysaccharide supports
06/13/1989CA1255646A1 Cracking catalyst/sulfur oxide gettering agent compositions
06/08/1989DE3740208A1 Pressed rod-shaped tampon
06/07/1989EP0319253A2 Sialic acid glycosides, antigens, immunoadsorbents, and methods for their preparation
06/07/1989EP0319144A1 Adsorbent of beta 2-microglobulin
06/07/1989EP0318989A1 Polymers with a high rate of absorption for aqueous liquids
06/06/1989US4837348 Bonded phase chromatographic supports
06/06/1989US4837195 Process for porosity control and rehydroxylations of silica bodies
06/06/1989US4837020 D-glucosaccharoascorbic acid, ferrous and/or cupric compound
06/06/1989US4836994 Calcium-phosphorus-apatite having novel properties and process for preparing the same
06/06/1989US4836993 Using oxide absorber containing rare earth metal
06/06/1989US4836952 Deoxygenating composition
06/01/1989WO1989004715A1 Process for treating fluids by adsorption media
05/1989
05/31/1989EP0318469A1 Packing for use in resolution
05/31/1989EP0318191A1 Oral phosphate ion adsorbent
05/31/1989EP0318086A1 Process for regenerating a carbonaceous adsorbent loaden with sulfuric acid and water
05/31/1989CN1033160A Water absorption controlled dehydrating device
05/30/1989US4835265 Substituted and crosslinked glucans, process and intermediates for preparing them and use thereof
05/30/1989US4835130 Selectively permeable zeolite adsorbents and sealants made therefrom
05/30/1989US4835058 Packing material and process for its production
05/30/1989US4834961 Aluminosilicate zeolite having an offretite structure
05/24/1989EP0317436A1 Process for resorbing liquid-leaks
05/24/1989EP0317041A1 Water absorption controlled dehydrating device
05/24/1989EP0316792A2 Hydrophilic swellable graft polymers, their preparation and their use
05/24/1989EP0316665A1 Selective adsorption of CO2 on zeolites
05/24/1989EP0316642A2 Gel-in-matrix containing a fractured hydrogel
05/24/1989EP0316492A1 Polymeric matrix for affinity chromatography and immobilization of ligands
05/24/1989DE3743681C1 Process for regenerating an adsorber laden with a solvent
05/24/1989DE3738916A1 Large-sized or small-sized molecular sieve shaped body and process for the production thereof
05/24/1989DE3738691A1 Verfahren und vorrichtung zur praeparativen fluessigkeitschromatographie bzw. adsorption Method and apparatus for preparative liquid chromatography and adsorption
05/23/1989US4832916 Chromatographic column for immunological determining methods
05/23/1989US4832881 Low density microcellular carbon foams and method of preparation
05/23/1989US4832850 Method and device for mass transport and separation through selective barriers
05/23/1989US4832793 Process for extruding and acid treating clay for improved color development in carbonless copy paper
05/23/1989CA1254548A1 Fluid-permeable fibre matrix and a method of producing said matrix
05/18/1989WO1989004373A1 Process for producing magnetically responsive polymer particles and application thereof
05/18/1989WO1989004339A1 Fibroin moldings, process for their preparation, heparin-immobilizing carrier, and process for its preparation
05/18/1989WO1989004202A1 Device for preparative liquid chromatography or adsorption
05/18/1989DE3836138A1 Particulate medium suitable for the selective separation of metal cations from aqueous solutions, process for the production thereof and use thereof
05/17/1989EP0316270A2 Finely divided cellulosic esters of aromatic or aromatic-aliphatic carboxylic acids, process for their preparation and their use
05/17/1989EP0315633A1 Bonded chromatographic stationary phase.
05/17/1989CN1032908A Technology using low-quality diatomite to process filter aid and method for recovering water purifying agent from its waste liquor
05/16/1989US4831208 Chemical processing with an operational step sensitive to a feedstream component
05/16/1989US4831011 Carbon-based adsorbent and process for production thereof
05/16/1989US4831010 Absorbent sack for cleaning up and containing liquid spills
05/16/1989US4830921 Packing material for liquid chromatography
05/16/1989US4830917 Etching
05/16/1989US4830840 Clay-spinel
05/16/1989US4830816 Getter trap for removing hydrogen and oxygen from a liquid metal
05/16/1989US4830752 Separation agent comprising 1,3-glucan
05/16/1989CA1254028A1 Magnetic particles for use in separations
05/11/1989DE3736950A1 Composition which binds metal ions, and method for preparing it
05/11/1989DE3736561A1 Verfahren zur herstellung von ionenaustauscherharzen oder adsorbensharzen unter anwendung von ueberdruck Process for the preparation of ion exchange resins or adsorbensharzen under application of excess pressure
05/10/1989EP0315461A2 High silica zeolite ECR-30 and process for preparing it
05/10/1989EP0314733A1 Process for manufacturing reactive calcium hydroxide for purifying gases and exhaust gases and process for purifying gases and exhaust gases.
05/10/1989CN1032805A Gel-in-matrix containning fractured hydrogel
05/09/1989US4829045 Dry, absorbent, varying properties, for oil film contaminated water