Patents
Patents for B01J 20 - Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof (48,616)
04/1990
04/17/1990CA2000810A1 Hapten derivatized capture membrane and diagnostic assays using such membrane
04/17/1990CA1267882A1 Catalyst for decreasing the content of nitrogen oxides in flue gases
04/17/1990CA1267881A1 Catalyst for decreasing the content of nitrogen oxides in flue gases
04/17/1990CA1267880A1 Catalyst for decreasing the content of nitrogen oxides in flue gases
04/17/1990CA1267879A1 Preparation of monolithic catalyst support structures having an integrated high surface area phase
04/17/1990CA1267878A1 Process for the production of adsorbent carbon
04/17/1990CA1267877A1 Adsorbents for protein purification
04/17/1990CA1267876A1 Class of pillared interlayered clay molecular sieve products with regularly interstratified mineral structure
04/11/1990EP0363052A1 Process for preparing solid perfluorocarbon polymer supports having attached perfluorocarbon-substituted ligand or binder
04/11/1990EP0271575B1 Layered metal chalcogenides containing interlayer chalcogenides and their synthesis
04/11/1990CN1041108A Bicomponent material
04/11/1990CN1007492B Technology for recirculating use of catalyst
04/10/1990US4916095 Modified clay sorbents
04/10/1990US4915884 Cationic hydrophilic sites on thermoplastic resin
04/05/1990WO1990003458A1 Improvements in and relating to fibrous activated carbons
04/05/1990WO1990003382A1 Support-bound oligonucleotides
04/05/1990WO1990003320A1 Absorbent pad and method of constructing same
04/05/1990WO1990003219A1 Odour eliminating and liquid absorbing agent, its preparation, and use
04/05/1990WO1990003215A1 Osmotic absorbents
04/04/1990EP0361842A2 Multi-layered absorbent articles and process for their production
04/04/1990EP0361681A1 Process for the purification of linear paraffins
04/04/1990EP0361622A2 Process for refining glyceride oil
04/04/1990EP0361060A1 Sulfur and nitrogen-containing hydrocarbon compounds and process using same in recovering and concentrating desired ions from solutions thereof
04/03/1990US4914159 Immobilized on silica gel; chromatography
04/03/1990US4914076 Method of producing an adsorbent for separation and recovery of CO
04/03/1990US4914066 Blend of bentonite and water swellable organic polymeric colloid; used as animal litter
04/03/1990US4913966 Slurrying silica platelets, spray drying
04/03/1990US4913935 Polymer coated alumina
03/1990
03/29/1990DE3929219A1 Prepn. of silica gel modified with alkoxy:silane - by heating mixt. of gel and silane, percolating with wash liq., and drying in inert gas, for chromatography
03/28/1990EP0360752A2 Apparatus for dehumidifying gas
03/28/1990EP0360565A1 Osmotic absorbents
03/28/1990EP0359925A1 Oxygen absorbent and its use
03/28/1990CN1007354B Non. cataltic solid mullite/crystalline silica material and use thereof
03/27/1990US4912070 Continuously porous absorbent material possessing far infrared electromagnetic field
03/27/1990US4911903 Spherical SIO2 particles
03/27/1990US4911775 Method of manufacturing dehumidifier element
03/27/1990CA1267128A1 Catalyst for reducing the nitrogen oxide content of flue gases
03/21/1990EP0358821A1 White colored deodorizer and process for producing the same
03/21/1990EP0358758A1 B lymphocyte separating material and body fluid clarifying material
03/21/1990EP0295269B1 Layered metal oxides containing interlayer oxides and their synthesis
03/20/1990US4910150 In blood sample
03/20/1990US4909944 Removal of metal ions from aqueous solution
03/20/1990US4909935 Copolymer useful for separation
03/20/1990US4909926 Method for removing mercury from hydrocarbon oil by high temperature reactive adsorption
03/20/1990CA1266855A1 Adsorbent and process for preparing the same
03/20/1990CA1266854A1 Bonded adsorbent structures and respirators incorporating same
03/20/1990CA1266844A1 Process for hydrotreating residual petroleum oil
03/20/1990CA1266834A1 Process for separating isoprene
03/15/1990DE3828531A1 Oxygen absorbent and use of the same
03/14/1990EP0358208A2 Liquid crystal polyorganosiloxanes containing (meth)acryloxy groups
03/14/1990EP0358129A1 New Crown ether compound and separating agent
03/14/1990EP0357693A1 Molecular sieve arrangement.
03/14/1990EP0357593A1 Magnetic particles for use in separations
03/14/1990CN1007131B Bed packing material and the use
03/13/1990US4908405 Graft copolymers of crosslinked polymers and polyoxyethylene, processes for their production, and their usage
03/13/1990US4908151 Oxygen absorbent
03/13/1990US4908137 Heavy metal removal process
03/13/1990CA1266741A1 Scavengers for the removal of impurities from inert fluids
03/08/1990WO1990002140A1 Method for purifying teneicine
03/08/1990WO1990001987A1 A method for carrying out organic chemical reactions and apparatus for carrying out that method
03/07/1990EP0357479A1 Material, capable of fixing biological substances and its use especially as support for affinity chromatography
03/07/1990EP0357137A2 New silylating agent for the preparation of chromatographic supports
03/07/1990EP0356859A1 Filtration and drying cartridge for refrigerant fluid circuits
03/07/1990EP0356838A2 Chromatographic stationary supports
03/07/1990EP0356658A2 Process for the desorption of adsorbents containing harmful substances, and apparatus for carrying out the process
03/07/1990EP0217791B1 A process for absorbing water having a ph less than four
03/06/1990US4906715 N,N'-divinylalkylurea crosslinked polymers, a process for their preparation, and their use
03/06/1990US4906570 Polymers based on polyvinylene carbonate and/or polyhydroxymethylene as carriers for biologically active substances
03/06/1990US4906379 Hydrophilic article and method of producing same
03/06/1990US4906378 Composite chromatographic article
03/06/1990US4906376 Polymer membrane for proton driven ion transport
03/06/1990US4906263 Adsorption filter with high air permeability
03/06/1990US4906258 Method of conducting an absorption or desorption reaction between a gas and a solid
02/1990
02/28/1990EP0356165A1 Removal of lipids from foodstuffs
02/28/1990EP0355882A1 Method for the preparation of fibronectine from blood plasma, with the help of affinity chromatography and the column material to be used with it
02/28/1990EP0355376A2 Sulfur-containing hydrocarbon compounds and process of using same in recovering and concentrating desired ions from solutions thereof
02/28/1990EP0355242A1 Method for making mineral filtration beads to be used in gel adsorption and permeation chromatography
02/27/1990US4904634 Chemical resistance
02/27/1990US4904632 Alkylated silica
02/22/1990WO1990001362A1 Filter device
02/21/1990EP0355025A2 Substituted (2-haloalkoxy-1,1,2-trifluoroethoxy)styrenes, process for their preparation and their use
02/20/1990US4902829 Silica molecular sieve adsorber
02/20/1990US4902788 Mass transfer
02/20/1990US4902662 Treating with organic polysulfide and heating
02/20/1990US4902565 Water absorbent structures
02/20/1990US4902559 Absorbent body of nonwoven material and a method for the production thereof
02/20/1990US4902544 Leak resistant absorbent product
02/20/1990US4902427 Filter for removing heavy metals from drinking water
02/20/1990US4902413 Organic-based porous microspheres for HPLC
02/20/1990US4902312 Carbon molecular sieves for purification of chlorofluorocarbons
02/20/1990CA1266007A1 Adsorbent processing to reduce basestock foaming
02/13/1990US4900537 Control of form of crystal precipitation of aluminum hydroxide using cosolvents and varying caustic concentration
02/13/1990CA1265776A1 Sheet-like, oxygen-scavenging agent
02/13/1990CA1265670A1 Vacuum insulation system and method of manufacture
02/08/1990WO1990000926A1 Device for containing and holding in position specific quantities of bulk material
02/08/1990DE3826477A1 Filter apparatus
02/08/1990DE3818993A1 System for cleaning up polluted rooms
02/07/1990EP0353679A1 Filtering device
02/07/1990EP0353334A1 Absorbent structure for absorbing food product liquids
02/07/1990EP0353251A1 Gel composition.