Patents
Patents for B01J 20 - Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof (48,616)
02/1990
02/07/1990EP0190286B1 Hollow microspheres made from dispersed particle compositions and methods and apparatus for producing them
02/07/1990CN1039418A Process for preparation of oxirane compound
02/07/1990CN1039364A Drying method and equipments for activiated carbon fluidity by electrical discharge
02/06/1990US4899017 Process for the selective separation of para-xylene from C8 aromatic mixtures
02/06/1990CA1265412A1 Insoluble compositions for removing mercury from a liquid medium
02/01/1990DE3825725A1 Process for removing gaseous impurities by adsorption
02/01/1990DE3825334A1 Vorrichtung zur aufnahme und raeumlichen festlegung bestimmter mengen von schuettmassen Apparatus for recording relevant spatial and lockup certain quantities of schuettmassen
01/1990
01/31/1990EP0352917A2 The selective removal of chemical species from a fluid
01/31/1990EP0352766A2 Synthesis of glycosphingolipid derivates for use in the preparation of immuno- and affinity adsorbents to be used in the purification of antibodies and specific toxins, and for diagnostic use
01/31/1990EP0352330A1 Fibroin moldings, process for their preparation, heparin-immobilizing carrier, and process for its preparation
01/31/1990CN1039193A Semi-dry acid method for hot activation of adobe clay
01/30/1990US4897467 Nitrilophoric EDA-adsorbents
01/30/1990US4897309 Impregnation with cationic; then anionic polymer
01/30/1990US4897200 Macromolecular carbonyl groups containing material suitable for use as sorbent for nitrogen compounds
01/30/1990US4897199 Adsorption on an inorganic substrate; combustion to carbon dioxide and water
01/30/1990US4897198 Separation agent comprising 1,3-glucan
01/30/1990US4897197 Hydrolizable ketal silane groups on porous silica; reverse phase; protein nonabsorptive; quantitative analysis of drugs and metabolites in serums
01/30/1990US4897193 Quantitative separation; immunoassays
01/30/1990CA1265116A1 Chromatographic separation medium for rapid analysis of small samples
01/30/1990CA1265050A1 Purification of blood clotting factors and other blood proteins on non-carbohydrate sulfated matrices
01/30/1990CA1264905A1 Hollow microspheres made from dispersed particle compositions
01/25/1990WO1990000578A1 Polymer composition for scavenging oxygen
01/25/1990WO1990000439A1 Reduction of the ignition temperature of diesel soot
01/25/1990WO1989012603A3 Zeolite granules with zeolite binder
01/25/1990DE3838794A1 Magnetisch aktiver, poroeser koerper und verfahren zu seiner herstellung Magnetically active, porous body and process for its preparation
01/25/1990DE3824940A1 Material for releasing aromas or essences
01/24/1990EP0351467A1 White colored deodorizer and process for producing the same
01/24/1990CN1039001A Synthesis of high-silicon zeolite in two organic-compound system
01/24/1990CN1006550B Lipoprotein sorbent used in external circulating therapy and process for producing the same
01/24/1990CN1006524B Pressure swing adsorption with intermediate product recovery
01/23/1990US4895825 High-porosity silicocalcareous mass for storing of gas, and production process
01/23/1990US4895662 Purification of effluent from wood pulp bleach plant
01/23/1990CA1264722A1 Micro-porous superlattice material
01/17/1990EP0155950B1 Oligonucleotide polymeric support system
01/16/1990US4894468 Substituted silica
01/16/1990US4894357 Process for adjusting the structural and/or surface character of oxides
01/10/1990EP0349655A1 Process for separating and recovering carbonic acid gas from gas mixture by adsorption
01/09/1990US4892659 Separation agent comprising aliphatic ester of polysaccharide
01/09/1990US4892567 Simultaneous removal of mercury and water from fluids
01/09/1990US4892565 Adsorptive separation utilizing multiple adsorption beds
01/09/1990CA1264315A1 Synthetic calcium silicates, methods of preparation and uses
01/03/1990EP0238579B1 Process and agent for water treatment
01/02/1990US4891200 Omega type zeolite having high thermal stability, its process of preparation and its utilization
01/02/1990US4891197 Silicophosphoaluminates and related crystalline oxides
12/1989
12/28/1989WO1989012644A1 Endotoxin binding protein and uses thereof
12/28/1989WO1989012603A2 Zeolite granules with zeolite binder
12/28/1989WO1989012390A1 Biocompatible, substance-specific reagents for treating physiological fluids
12/28/1989DE3916219A1 Vorrichtung und verfahren zur chomatographischen trennung Apparatus and method for separation chomatographischen
12/27/1989EP0348352A2 Process for preparing finely divided porous cellulose particles
12/27/1989EP0348204A2 Porous, metal-containing carbonaceous material
12/27/1989EP0347746A1 Bicomponent material
12/27/1989CN1006200B Prepn. of high surface area agglomerates for catalyst support and preparation of monolithic support structures containing them
12/27/1989CA1264057A1 Method for refining glyceride oils using amorphous silica
12/26/1989US4889632 Crosslinked globules of addition polymers connected by covalent bonds to form voids; for biopolmers, such as proteins, enzymes, polypeptides
12/26/1989US4889537 Using cationic exchange resins in form of potassium or magnesium salts; stabilizing homogeneity
12/20/1989EP0347273A1 Process for the synthesis of MTT structure-type zeolites
12/20/1989EP0346604A1 Potassium zeolite 3A
12/20/1989EP0346472A1 Process for preparing liposomes
12/19/1989US4888157 Sulphur compounds removal
12/14/1989WO1989012119A1 Methods, compositions, and systems for ligand extraction
12/14/1989WO1989012087A1 Granular adsorbant with improved ease of rinsing
12/14/1989WO1989011900A1 Purification of effluent from wood pulp bleach plant
12/14/1989WO1989011898A1 Method and apparatus for flow field flow fractionation
12/14/1989DE3819002A1 Air filter for passenger cells
12/14/1989DE3819000A1 Bag of a teabag type for eliminating pollutants
12/13/1989EP0346037A1 Composite ion-exchange compositions for ion chromatography
12/13/1989EP0345856A1 A process for the preparation of an oxirane compound
12/13/1989EP0345381A2 Liquid filter
12/13/1989EP0333816A4 Crystalline aluminumphosphate compositions.
12/13/1989CN1037848A Metallic ion adsorbent and method for adsorbing metallic ion with it
12/13/1989CN1037847A Dual-sucking seal-storage agent for fresh-keeping
12/12/1989US4886930 Zeolitic para-xylene separation with tetralin heavy desorbent
12/12/1989US4886836 Activated medium with low non-specific protein adsorption
12/12/1989US4886769 Active gas adsorbing element and method of manufacturing
12/12/1989US4886240 Desiccant of barium oxide in silicon rubber binder with molecular sieves
12/12/1989CA1263857A1 Structured silicas
12/06/1989EP0345017A1 Method for preparing granular porous chitosan
12/06/1989EP0344629A1 Granular adsorption material with improved flushing property
12/06/1989EP0344336A1 An absorbent for chlorosilane compound
12/06/1989EP0344270A1 Process for producing magnetically responsive polymer particles and application thereof
12/06/1989EP0252958B1 Process for the preparation of equigranular ion exchange resins for analytical and preparative purposes
12/05/1989US4885250 Enzyme immobilization and bioaffinity separations with perfluorocarbon polymer-based supports
12/05/1989US4884396 Desulfurizing agent and process for treating hydrogen sulfide containing gas, coal gasification system and power generation system based on coal gasification using the desulfurizing agent
12/05/1989CA1263641A1 Immobilised extractants
11/1989
11/30/1989WO1989011493A1 Process for preparation of agarose particles
11/29/1989EP0343697A1 Composite adsorbent
11/29/1989EP0343387A1 Transfer of macromolecules from a chromatographic substrate to an immobilizing matrix
11/28/1989US4883598 Process for isolating coagulation factors, and adsorbent material suitable therefor
11/28/1989US4883596 Carbonized polymer beads, ultrapure water, removing endotoxins
11/28/1989CA1263379A1 Method for the production of bead dextran materials for gel chromatography
11/28/1989CA1263331A1 Process for upgrading tar sand bitumen
11/23/1989EP0342932A1 Solid support and column for liquid chromatography
11/23/1989EP0342668A2 Product and process for increasing enzyme adsorption
11/23/1989EP0342598A1 Process for fabricating activated carbon supporting honeycomb structure
11/23/1989EP0342272A1 Process for the treatment of alpha-calciumsulphate-hemihydrate
11/23/1989DE3834034A1 Process for the regeneration of arsenic-contaminated sorbents
11/21/1989US4882426 For gel filtration and chromotography; saponification, crosslinking
11/21/1989US4882226 Modified (meth) acrylic acid or ester core with hydrophilic coatings
11/21/1989US4882066 Complexing metals with thin film of chitin which is dispersed on porous solid substrate
11/21/1989US4882048 Optically active adsorbents