Patents
Patents for B01J 20 - Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof (48,616)
02/1998
02/05/1998WO1998004348A1 Filter sheet and process for purifying photoresist composition employing the filter sheet
02/05/1998WO1998004344A1 An enzymatic method for removing contaminants from ion exchange and fractionation resin
02/05/1998WO1997038774A3 Water-wettable chromatographic media for solid phase extraction
02/05/1998DE19630719A1 Regeneration of adsorption material, especially halogenated carbon
02/05/1998CA2261862A1 Filter sheet and process for purifying photoresist composition employing the filter sheet
02/04/1998EP0822161A2 Gas separator
02/04/1998EP0822004A2 An adsorbent
02/04/1998EP0821790A1 On-line coupling of biochemical detection to continuous-flow separation techniques
02/04/1998EP0730494B1 Particles for binding monovalent cations and their use
02/04/1998CN1171979A Process for producing hydrotalcites and their metal oxides
02/04/1998CN1171978A Preparation of silicagel-active carbon compound adsorbent by using coal gangue
02/03/1998US5714431 Zinc titanate sorbents
02/03/1998US5714126 Layer of adsorbing activated carbon, and layer of adsorbing activated carbon impregnated with a sulfate compound, a molybdenum compound, and a compound of zinc or copper
02/03/1998US5714103 Process for the production of shaped articles having a predetermined pore structure
02/03/1998US5713971 Filtration device using absorption for the removal of gas phase contaminants
01/1998
01/29/1998WO1998003987A1 Method for the manufacture of supported thin layers of non-evaporable getter material and getter devices thereby manufactured
01/29/1998WO1998003616A1 Additive to be sprayed into the combustion chambers of heating plants and process for preventing high temperature corrosion
01/29/1998WO1998003453A1 Modified mcm-56, its preparation and use
01/29/1998WO1998003264A2 Chemical sample treatment cassette and methods
01/29/1998WO1998003261A1 Chiral non-particulate sorbents
01/29/1998WO1998003260A1 Novel adsorbent
01/29/1998WO1998003259A1 Novel adsorbent
01/29/1998WO1998003242A1 Use of non-particulate sorbents for simulated moving bed separating methods
01/29/1998CA2261037A1 Additive to be sprayed into the combustion chambers of heating plants and process for preventing high temperature corrosion
01/29/1998CA2259648A1 Chemical sample treatment cassette and methods
01/28/1998EP0820972A1 Process for the isoalkane/n-alkane separation by adsorption in the gas phase using pressure modulation and four adsorbers
01/28/1998EP0820960A1 Removal of O2 and/or CO from inert gas using adsorption on porous metal oxide
01/28/1998EP0820810A1 Exhaust gas purification
01/28/1998EP0820591A1 Affinity chromatographic method for screening combinatorial libraries
01/28/1998EP0820483A1 Method of photochemical immobilization of ligands using quinones
01/28/1998EP0663800B1 Improved oxygen scavenging compositions for low temperature use
01/28/1998EP0648533B1 Liquid-absorbent material and process for producing the same
01/28/1998CN1171797A Absorbent material
01/28/1998CN1171534A Process and device for preparation of cryogenic fluid in high purity liquid state
01/28/1998CN1037156C Vacuum pressure-changing adsorption system for recovering oxygen or nitrogen from air
01/27/1998US5712358 Allyl methacrylate and an ethylene glycol dimethacrylate, interfacial polymerization, crosslinking, porosity
01/27/1998US5712316 Powder-form cross-linked polymers capable of absorbing aqueous liquids and body fluids, method of preparing them and their use
01/27/1998US5712219 Air and water pollution control
01/27/1998US5712033 Asphalt-containing organic fibers
01/27/1998US5711930 Process for improving the phyiscal properties of formed particles
01/27/1998US5711322 Tobacco filter material and a method of producing the same
01/22/1998WO1998002482A1 Methof of manufacturing finely divided, water-insoluble polymers of aziridines, as well as modified, water-insoluble polymers of aziridines, and their use
01/22/1998WO1998002224A1 Method for the colorimetric quantification of ions
01/22/1998CA2256747A1 Method for the colorimetric quantification of ions
01/21/1998EP0819461A1 Single stage secondary high purity oxygen concentrator
01/21/1998EP0819439A1 Adsorbent for disease-related factors in body fluids, method of elimination by adsorption, body fluid purifier, and apparatus for purifying body fluids
01/21/1998CN1170699A Adsorption process for organic base recovery from aqueous brine solutions
01/20/1998US5710091 Sorbent compositions
01/20/1998US5710090 Controlledly permeable/cristobalite-free diatomaceous filtering agents
01/20/1998US5710089 Sorbent compositions
01/20/1998US5710083 Process to rejuvenate spent zinc oxide sorbents
01/20/1998US5709943 Biological adsorption supports
01/20/1998US5709500 Furniture, furniture manufacturing method, and connector assembly
01/15/1998WO1998001496A1 Azlactone-derivatized polyamides
01/15/1998WO1998001466A1 Imprint polypeptides covalently cross-linked and having a fixed and stabilised arrangement, process for the preparation and use thereof
01/15/1998WO1998001299A1 Absorbent inserts, method of producing them and their use
01/15/1998WO1997028884A3 Compounds for the sorption of gases
01/15/1998DE19627909A1 Verfahren zur Herstellung von feinteiligen, wasserunlöslichen Polymerisaten von Aziridinen sowie von modifizierten, wasserunlöslichen Polymerisaten von Aziridinen sowie von modifizierten, wasserunlöslichen Polymerisaten von Aziridinen und ihre Verwendung A process for the preparation of finely divided, water-insoluble polymers of aziridines as well as modified, water-insoluble polymers of aziridines as well as modified, water-insoluble polymers of aziridines and their use
01/15/1998CA2259476A1 Absorbent inserts, method of producing them and their use
01/15/1998CA2259416A1 Imprint polypeptides covalently cross-linked and having a fixed and stabilised arrangement, process for the preparation and use thereof
01/14/1998EP0818240A2 Procedure for the regeneration of catalysts and absorbent materials
01/14/1998EP0818237A1 Method for immobilizing ligands or compounds having ligands bonded thereto
01/14/1998EP0818230A1 Fibre filter and process for producing it
01/14/1998EP0665815B1 Amorphous alkali metal silicate, process and uses
01/14/1998CN1036989C Process and device for the preparation of high-purity liquid nitrogen
01/13/1998US5707598 Porous material composed of layered silica and metal oxide and a process for manufacturing the same
01/13/1998US5707525 Process for separating and recovering an anionic dye from an aqueous solution
01/13/1998US5707516 Column packings for liquid chromatography
01/13/1998US5707430 Concentration of hydrocarbon discharged from canister by break-through is detected; accuracy
01/08/1998WO1998000435A2 Oligonucleotide linker and techniques involving immobilized and linked oligonucleotides
01/08/1998WO1998000352A1 Non-reclosable packages containing desiccant matrix and method of forming such packages
01/08/1998WO1998000223A1 Nitrogen oxide adsorbing material
01/08/1998WO1998000219A1 Microcolumn for extraction of analytes from liquids
01/08/1998DE19645240A1 Saugfähige Einlagen, Verfahren zu ihrer Herstellung und ihre Verwendung Absorbent inserts, processes for their preparation and their use
01/08/1998DE19630451C1 Verfahren zur Herstellung von porösen Polymerkugeln und deren Verwendung A process for the preparation of porous polymeric beads and their use
01/08/1998DE19626421A1 Removing environmentally harmful gaseous hydride(s) and halide(s) of silicon and arsenic
01/08/1998DE19624705A1 Dendrimere auf Saccharid-Basis Saccharide-based dendrimers
01/08/1998CA2259493A1 Oligonucleotide linker and techniques involving immobilized and linked oligonucleotides
01/07/1998EP0816823A1 Sampling tube and method for manufacturing such sampling tube
01/07/1998EP0815920A2 Multi-thermal pulse absorber regeneration system
01/07/1998EP0814906A1 Process for preparing phosphorus-doped silver catalysts
01/07/1998EP0814895A1 Method and apparatus for treatment of exhaust streams
01/07/1998EP0764047A4 Polymeric microbeads and method of preparation
01/07/1998EP0665867B1 Pore-size selective chemical modification of porous materials
01/07/1998EP0662848B1 Porous, absorbent macrostructures of bonded absorbent particles surface crosslinked with cationic amino-epichlorohydrin adducts
01/07/1998EP0626190B1 Sheet type and sheet-filter type methyl bromide removing material, and methyl bromide removing method using the same materials
01/07/1998CN1036923C Use of dehydrated trehalose as drying agent
01/06/1998US5705585 Aminimide-containing molecules and materials as molecular recognition agents
01/06/1998US5705269 Modified activated carbon
01/06/1998US5704965 Pressure differential desorption
01/02/1998DE19625481A1 Regenerating used kieselguhr filter medium from brewing industry
12/1997
12/31/1997WO1997049754A1 Polymerisable polyamide derivatives
12/31/1997WO1997049492A1 Poly n-cyclic aromatic ligands bonded to solid supports for removing and concentrating ions from solutions
12/31/1997WO1997049487A1 Method for distributing molecular sieve powder
12/31/1997WO1997049479A1 Method of removing, from a stream of gas, fluorinated compounds which contribute to destruction of the ozone layer and/or changes in climate, and use of the method
12/31/1997WO1997049478A1 Method and device for removing harmful substances, in particular dioxin
12/31/1997WO1997049294A1 Composition of a product for preserving perishable foodstuffs
12/31/1997CA2255802A1 Method and device for removing harmful substances, in particular dioxin
12/31/1997CA2254881A1 Poly n-cyclic aromatic ligands bonded to solid supports for removing and concentrating ions from solutions
12/31/1997CA2243766A1 Composition of a product for preserving perishable foodstuffs