Patents
Sitemap › B01 - Physical or chemical processes or apparatus in general › B01J - Chemical or physical processes, e.g. catalysis, colloid chemistry; Their relevant apparatus › B01J 20 - Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
Patents for B01J 20 - Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof (48,616)
11/1990
11/29/1990CA2017439A1 Spherical fibrous lump activated carbon and method of producing the same
11/28/1990EP0399730A1 Sorbent filtration device
11/28/1990EP0399318A1 Modified chromatographic carrier materials
11/28/1990CN1047219A Low-temp. desulfurizer for removing organic sulfur in gas
11/28/1990CN1010595B Extract ga from bar solution using soaking and adsorbing resin
11/27/1990WO1990014157A1 Particulate material
11/27/1990US4973683 Method of cross-linking a porous polysaccharide gel
11/23/1990WO1990014382A1 Sulfonated heat-resistant polymeric material and method of production thereof
11/22/1990EP0398636A1 A process for making acid activated bleaching earth
11/22/1990EP0398544A2 Hydrolysed protein purification
11/22/1990EP0398410A1 Process for immobilizing environmentally noxious metals and organic substances
11/22/1990EP0398251A1 A process for steam reforming of hydrocarbons
11/20/1990US4971833 Method of coating solid particles with a hydrophilic gel
11/20/1990US4971736 Polytetrafluoroethylene fibers, blending, biaxial, calendering, drying
11/20/1990US4971729 Inorganic ion exchange material
11/20/1990US4971697 Composite chromatographic article of silica on a support
11/20/1990US4971608 Gold component and inorganic support
11/19/1990CA2014247A1 Purification of hydrolysed protein with crystalline zeolite
11/14/1990EP0397119A2 Surface-modified polyacrylonitrile substrates
11/14/1990EP0294410B1 Process for enriching and/or isolating cardiac glycosides using non-polar adsorber resins
11/13/1990US4970273 Biochemical immobilization
11/13/1990US4970189 Carbonization
11/13/1990US4969995 Removal of metal ions from aqueous solution
11/08/1990CA2016061A1 Surface modified polyacrylonitrile substrates
11/07/1990EP0395857A1 Process for oligomerising olefins
11/07/1990EP0395631A1 Process for treating fluids by adsorption media.
11/07/1990EP0328560B1 Mineral substance, process for its manufacture and use thereof
11/07/1990CN1010317B Modified polymeric surfaces and process for preparing same
11/06/1990US4968652 Pillared layered silicate compositions containing pillars of silica and metal oxide and their preparation
11/06/1990US4968433 Absorption with tr5initroarenol or trinitroarylsulfonic acid
11/06/1990US4968346 Nonexplosive, efficient
11/01/1990WO1990012632A1 Process for removing c-reactive protein and anti-phosphorylcholine antibodies from biological fluids
10/1990
10/31/1990EP0395223A2 Pouch for absorbing fluid
10/31/1990EP0394449A1 Porous hollow carbon fiber film and method of manufacturing the same
10/31/1990EP0394384A1 Device for containing and holding in position specific quantities of bulk material.
10/31/1990EP0394350A1 Hydrophobic carbon molecular sieves.
10/31/1990EP0394298A1 Polymers with high rate of absorption of aqueous fluids
10/31/1990EP0242302B1 Material for affinity chromatography and its use in the separation and purification of protein antigens from bacteria of the genus bordetella
10/31/1990CN1046533A Process for preparing adsorptive porous resin beads
10/30/1990US4966848 Isolation, purification, characterization, cloning and sequencing of N α-acetyltransferase
10/30/1990US4966694 Separation agent comprising acyl- or carbamoyl-substituted polysaccharide
10/24/1990EP0393964A2 Acidic gas absorbent and process for production thereof
10/24/1990EP0393723A2 Deodorants, deodorant sheets, filter sheets and functional papers as well as filtering mediums for exhaust gas
10/24/1990CA2013905A1 Pouch for absorbing fluid
10/23/1990US4965289 Substrate and process for making a substrate
10/23/1990US4965129 Useful for absorption of oils; solvents, aqueous liquids, polyethylene with wetting agent
10/23/1990US4964889 Selective adsorption on magnesium-containing clinoptilolites
10/23/1990US4964888 Particulate adsorbents having different particle sizes
10/23/1990CA1275398C Porous silica microspheres having silanol-enriched and silanized surfaces
10/18/1990WO1990011827A1 Method for intercalating organic-swelled layered metal chalcogenide with a polymeric chalcogenide by plural treatments with polymeric chalcogenide precursor
10/18/1990WO1990011826A1 Uranium adsorbent
10/18/1990WO1990005710A3 Minimizing deactivation of ether synthesis catalyst
10/17/1990EP0392735A2 Polymeric supports
10/17/1990CN1046135A Method for eliminating gas in airtight package
10/17/1990CN1046093A Absorbent structures with odor control
10/17/1990CN1010005B High-porosity silicocalcareous mass for storing of gas and production process
10/17/1990CN1009993B Absorbent for greasy flue gas and its preparation method
10/16/1990US4963519 Molded mixture of powdery active carbon and hydrous alumina; adsorbing, desorbing gasoline, organic solvents
10/16/1990US4963436 Coated porous mullite bodies
10/16/1990US4963431 With adhesives; for holding nutrients for plant growth
10/16/1990US4963263 Method of identity analyte-binding peptides
10/16/1990US4963254 Packing material for chromatographic use
10/16/1990CA1275291C Process for selective absorption of sulfur compounds from gaseous mixtures containing mercaptans
10/11/1990DE4011210A1 Removing gas in airtight packaging - by packing the goods together with absorbent for the gas, enclosed in a polymer film which is only permeable to the gas
10/10/1990EP0391687A1 Treatment of alcoholic beverages
10/10/1990EP0391351A2 Process for the preparation of an improved chabazite for the purification of bulk gases
10/10/1990EP0391350A2 The purification of bulk gases using chabazite adsorbents
10/10/1990EP0390912A1 Improvements in and relating to fibrous activated carbons
10/10/1990EP0390910A1 Hapten derivatized captured membran and diagnostic assays using such membrane.
10/09/1990US4962184 Linear alterenating polymer of carbon monoxide and at least one ethylenically unsaturated hydrocarbon
10/09/1990US4962172 Polymer with ester crosslinking
10/09/1990US4962170 Method of making highly absorptive polymers
10/09/1990US4962073 Monomolecular layer of phosphoric acid esters formed on surfaces
10/09/1990US4961855 Dehydration of organic oxygenates
10/09/1990US4961852 Polyaldehyde activated membranes
10/06/1990CA2013530A1 Process for the purification of bulk gases using chabazite adsorbents
10/06/1990CA2013529A1 Process for the preparation of an improved chabazite for the purification of bulk gases
10/03/1990EP0390574A2 Compositions of phytic acid, and pharmaceutical uses thereof
10/03/1990CN2063126U Apparatus for desorption of charcoat containing gold
10/03/1990CN1009820B Process for preparing molecular sieve composed of oxides of zn, al, p and si
10/02/1990US4960745 Layered aluminum compounds containing phosphorus or arsenic and pendant organic groups
10/02/1990CA1274948A1 Bead-shaped crosslinked copolymers containing epoxide groups and basic amino groups, a process for their preparation and their use
09/1990
09/27/1990DE4002287A1 Modified, highly dispersed inorganic xerogel prepn. - by adding soln. of functionalised alkoxy:silane to metal oxide sol, drying modified gel to give modified xerogel and drying
09/26/1990EP0389334A1 Process for the purification of 1,1,1,2-tetrafluorethane
09/26/1990EP0389057A2 Process for refining glyceride oil using silica hydrogel
09/26/1990EP0389023A2 Absorbent structures with odor control material
09/26/1990CN1009766B Test carrier and process for determination of coagulation parameters
09/25/1990WO1990011143A1 Silicon-containing environment-protective agent adsorbing radioactive metal isotopes and toxic heavy metals and a pharmaceutical composition containing same
09/25/1990USRE33355 Homo-or copolymers of an n-alkyl or n,n-alkylene (meth) acrylamide and a metal halide or perchlorate; humidity control; antifogging agents
09/25/1990US4959341 Biodegradable superabsorbing sponge
09/25/1990US4959340 Method of making liquid chromatography packing materials
09/25/1990US4959181 Ion exchange using hydrous uranium dioxide
09/25/1990US4959153 Chromatography; complexing transition metal ions, decomplexing using a stripping liquid and recovering
09/25/1990US4959148 Bioreactor, retaining bioreactants within hydrogel polymer
09/25/1990CA2030542A1 Silicon-containing environment-protective agent adsorbing radioactive metal isotopes and toxic heavy metals and a pharmaceutical composition containing same
09/23/1990CA2004709A1 Process for purifying 1,1,1,2-tetrafluoroethane
09/20/1990WO1990010499A1 Process for improving the physical and catalytic properties of a fluid cracking catalyst
09/20/1990WO1990010498A1 Apparatus and process for the reversible adsorption of chlorinated hydrocarbons, in particular tetrachloroethylene, on suitable adsorbents
09/20/1990WO1990010426A1 Biodegradable superabsorbing sponge
09/20/1990DE3909018A1 Protein-reinigungsverfahren Protein-cleaning methods
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