Patents for B01J 20 - Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof (48,616) |
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05/28/1991 | US5019162 Activated carbon for recovery of gold |
05/28/1991 | US5019062 Bicomponent material |
05/23/1991 | DE4042002A1 Carbon di:oxide removal from waste gas - by chemical reaction with porous solid basic nitrite-sodalite |
05/22/1991 | EP0427715A1 Biocompatible, substance-specific reagents for treating physiological fluids |
05/22/1991 | EP0203095B1 Process of preparing polyamide supports capable of reaction with antibodies and enzymes and supports produced thereby. |
05/22/1991 | CN1051549A Adsorptive separation of para-xylene using tetralin desorbent |
05/21/1991 | US5017735 Selective sorption of 2,6-diisopropylnaphthalene |
05/21/1991 | US5017540 Silicon hydride surface intermediates for chemical separations apparatus |
05/21/1991 | US5017518 Process for producing calcium phosphate ceramics having porous surface |
05/21/1991 | US5017290 Separation agent comprising acyl- or carbamoyl-substituted polysaccharide |
05/16/1991 | WO1991004943A3 Zeolite aggregates and catalysts |
05/15/1991 | EP0427579A1 Mordenite type zeolithe and process for producing the same |
05/15/1991 | EP0427462A1 Process |
05/15/1991 | EP0426874A1 Sulfonated heat-resistant polymeric material and method of production thereof |
05/15/1991 | EP0426857A1 Peptide and adsorbent comprising same immobilized on carrier |
05/14/1991 | US5015576 Dissolving a water soluble matrix, mixing a water insoluble liquid cavity generating compound, forming drops, dispersion and solidification |
05/14/1991 | US5015453 Crystalline group IVA metal-containing molecular sieve compositions |
05/14/1991 | US5015450 Process for making calcium sulfate alpha-hemihydrate from calcium sulfate dihydrate |
05/14/1991 | US5015449 Process for making construction grade calcium sulfate alpha-hemihydrate from moist finely divided gypsum obtained from a power plant flue gas desulfurization |
05/14/1991 | US5015448 Particulate material suitable for selectively separating metal cations from aqueous solutions, process for its production, and use thereof |
05/14/1991 | US5015411 Process, composition, and apparatus for purifying inert gases to remove Lewis acid and oxidant impurities therefrom |
05/14/1991 | US5015373 High stability porous zirconium oxide spherules |
05/14/1991 | CA2026659A1 Absorbent bubble laminates |
05/14/1991 | CA1284022C Graded refractory cermet article |
05/08/1991 | EP0426048A2 Production and use of crystalline hydrogen-phosphate compounds having layer structure |
05/08/1991 | EP0425984A1 Sorption of trialkyl arsines |
05/08/1991 | EP0425848A1 Column packing material for gel permeation chromatography, process of preparation and use thereof |
05/08/1991 | EP0425822A1 Carbon molecular sieve |
05/08/1991 | EP0425740A1 Adsorptive separation of para-xylene |
05/08/1991 | CN1012561B Dual-sucking seal-storage agent for fresh-keeping, its preparing method and use thereof |
05/07/1991 | US5013700 Water washing, acid leaching, heat treatment |
05/07/1991 | US5013585 Method for the preparation of surface-modified silica particles |
05/07/1991 | US5013459 Opthalmic fluid dispensing method |
05/07/1991 | US5013382 Method of making an absorbent disposable article |
05/07/1991 | US5013335 Process for sequestering ammonia and the odor associated therewith |
05/03/1991 | CA2023010A1 Sorption of trialkyl arsines |
05/02/1991 | WO1991005607A1 Process for treating a spent nickel-based absorbent |
05/02/1991 | WO1991005606A1 Carrier and its use in nucleic acid chromatographic separation |
05/02/1991 | EP0425104A1 Column packing material |
05/02/1991 | EP0425102A1 Method for eluting adsorbed gold from carbon |
05/02/1991 | EP0424698A1 Adsorbent for removing biomacromolecules, particularly LDL and endotoxines, from whole blood in extracorporeal circuit |
05/02/1991 | EP0424672A1 Method of removing endotoxin |
05/02/1991 | EP0424403A1 Granular adsorbant with improved ease of rinsing |
05/02/1991 | EP0424377A1 Reduction of the ignition temperature of diesel soot |
05/02/1991 | DE3935506A1 Removing hydrocarbon(s) from condensate water obtd. in dry cleaning - by liq.-liq. extn. followed by adsorption |
05/01/1991 | WO1991006356A1 Method to identify analyte-binding ligands |
05/01/1991 | CA2072637A1 Method to identify analyte-binding ligands |
05/01/1991 | CA2002024A1 Co absorption means |
04/30/1991 | US5012038 Zeolitic para-xylene separation with diethyltoluene heavy desorbent |
04/30/1991 | US5011535 Purifying aqueous lactulose solutions |
04/30/1991 | CA1283648C Zeolite ssz-25 |
04/30/1991 | CA1283647C Layered silicates and their synthesis |
04/30/1991 | CA1283646C Layered metal oxides containing interlayer oxides and their synthesis |
04/30/1991 | CA1283582C Modified polymeric surfaces and process for preparing same |
04/25/1991 | DE3935098A1 Traegermaterial und seine verwendung in einem verfahren zur chromatographischen trennung von nukleinsaeuren Traegermaterial and its use in a method for the chromatographic separation of nucleic acids |
04/24/1991 | EP0423967A2 A method of producing granular activated carbon |
04/24/1991 | EP0423945A1 Purifier for nuclear reactor cooling water and method of purification |
04/24/1991 | EP0423938A1 Ligand-containing medium for chromatographic separation, process for preparing the medium, and use of the medium for isolating synthetic or natural molecules from a fluid mixture |
04/24/1991 | EP0308409B1 Process for producing carbon molecular sieves |
04/23/1991 | US5010184 Ionically modified agarose |
04/23/1991 | US5010181 Chitin containing layer of chitosan |
04/23/1991 | US5009906 Alkali metal silicate-treated diatomaceous earth |
04/23/1991 | US5009759 Methods for producing agarose gels having variable pore sizes |
04/23/1991 | US5009650 Absorbent structure designed for absorbing body fluids |
04/23/1991 | CA1283395C Assemblage of hydroxyl apatite particles and liquid chromatography column using the same |
04/19/1991 | WO1991005859A1 Polymer bead containing immobilized metal extractant |
04/18/1991 | WO1991004788A1 Carbon molecular sieve for breaking down air into nitrogen and oxygen by the alternating pressure technique |
04/18/1991 | WO1991004779A1 Process for the production of a semi-finished article, and uses of the article thus produced |
04/18/1991 | DE3933441A1 Kohlenstoff-molekularsieb zur zerlegung von luft in stickstoff und sauerstoff durch druckwechseltechnik Carbon molecular sieve to dissection of air into nitrogen and oxygen pressure by changing technology |
04/17/1991 | EP0422559A1 Rare gas purifying method |
04/16/1991 | US5008358 Polymer compositions |
04/16/1991 | US5008227 Acidification of attapulgite clay |
04/16/1991 | US5008226 Process for making acid activated bleaching earth using high susceptibility source clay and novel bleaching earth product |
04/16/1991 | US5008224 Adsorbent for phosphorus and method for production of adsorbent for phosphorus |
04/16/1991 | US5008220 Biological support |
04/16/1991 | CA1283091C Solid polyvinyl alcohol-based support able to adsorb lipoproteins and its use for the separation of low density lipoproteins present in a liquid, such as blood plasma |
04/16/1991 | CA1283090C Bonded phase of silica for solid phase extraction |
04/16/1991 | CA1283073C Adsorbent for purification of blood coagulation factor viii and process for purification of blood coagulation factor viii using the same |
04/10/1991 | EP0421875A1 Process for the thermal activation of zeolites by the percolation of hot gases |
04/10/1991 | EP0421584A1 Cleanup of contaminated hydrocarbon conversion system to enable use with contaminant-sensitive catalyst |
04/09/1991 | US5006323 Method of desulfurizing combustion gases |
04/09/1991 | US5006287 Affinity membranes having pendant hydroxy groups and processes for the preparation and use thereof |
04/09/1991 | US5006256 Affinity membranes having pendant hydroxy groups and processes for the preparation and use thereof |
04/09/1991 | CA1282891C Agent for absorbing and releasing water vapor |
04/09/1991 | CA1282770C Immobilisation supports for chemical and physical processes and methods of their manufacture |
04/04/1991 | WO1991004096A1 Removal of mercury from fluids by contact with activated zeolite a |
04/04/1991 | WO1991004095A1 Stable, covalently-bonded supports for chemical separation apparatus made through a hydride intermediate |
04/04/1991 | WO1991004086A1 Filter media and use for pyrogen removal |
04/04/1991 | DE3931749A1 Binder for absorbing hydrocarbon(s) etc. from gases, pastes, etc. - consists of particles of plastic foam, made using only mixt. of oxygen and nitrogen as blowing agent |
04/03/1991 | EP0420248A1 Absorbent structures |
04/03/1991 | EP0420115A1 Packing material for liquid chromatography |
04/03/1991 | EP0419581A1 Method for intercalating organic-swelled layered metal chalcogenide with a polymeric chalcogenide by plural treatments with polymeric chalcogenide precursor |
04/02/1991 | US5004716 Synthetic stevensite and process for preparation thereof |
03/30/1991 | WO1991004943A2 Zeolite aggregates and catalysts |
03/30/1991 | CA2026249A1 Method for eluting adsorbed gold from carbon |
03/30/1991 | CA2025487A1 Hplc avidin monomer affinity resin |
03/28/1991 | DE4029557A1 Liq. chromatography column appts. and systems - esp. for sepn. and analysis of haemoglobin forms |
03/28/1991 | DE3935953A1 Treating kieselguhr slurry for filter use |
03/28/1991 | DE3935952A1 Treating kieselguhr slurry for filter use |
03/27/1991 | EP0419358A1 Process for the preparation of disilane |