| 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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| 10/24/1991 | DE4101658A1 Filtermaterial fuer kraftfahrzeuge Filter material for motor vehicles |
| 10/23/1991 | EP0453414A1 Granular material, in particular of clayey nature, for the adsorption of oily and biological liquids and relative method of production |
| 10/23/1991 | EP0315633B1 Bonded chromatographic stationary phase |
| 10/23/1991 | CN1014447B Regeneration for absorbing dry material |
| 10/22/1991 | US5059654 Affinity matrices of modified polysaccharide supports |
| 10/22/1991 | US5059594 Phytic acid compositions |
| 10/22/1991 | US5059578 Thermosetting phenolic resin of specific infrared absorption, polyvinyl alcohol or cellulose binder, molding heat treating |
| 10/22/1991 | US5059577 Fluid absorbent composition |
| 10/22/1991 | US5059489 Sintered hard porous body; mixture of metals and metal alloys; catalysts; selective leaching; absorption and desorption |
| 10/22/1991 | US5059328 Separation agent comprising 1,3-glucan |
| 10/22/1991 | CA1291126C Stable boron resins of high selective absorbent power |
| 10/22/1991 | CA1291110C Porous carbon structures and methods for their preparation |
| 10/22/1991 | CA1291108C Decolorization of aqueous saccharide solutions and sorbents therefor |
| 10/22/1991 | CA1290922C Method of purifying exhaust gas |
| 10/21/1991 | CA2040745A1 Process and device for the production of ultra-pure nitrogen |
| 10/20/1991 | CA2015069A1 Process and adsorbent for separating co from a mixture thereof with hydrocarbon |
| 10/17/1991 | WO1991015868A1 Process, composition, and apparatus for purifying inert gases to remove lewis acid and oxidant impurities therefrom |
| 10/17/1991 | WO1991015445A1 Regeneration of zeolites used for purifying 1,1,1,2-tetrafluoroethane |
| 10/17/1991 | WO1991015280A1 Method for liquid chromatographic extraction of strontium from acid solutions |
| 10/17/1991 | DE4011882A1 Zeolite granulate calcination in rotary calciner - with closed spiral screw, useful for high activity esp. in oxygen purificn., by pressure swing adsorption |
| 10/17/1991 | CA2078224A1 Regeneration of zeolites used for purifying 1,1,1,2-tetrafluoroethane |
| 10/16/1991 | EP0451928A1 Process for the fabrication of porous ceramic granules used as an adsorbing or absorbing agent, particularly for animal litter |
| 10/15/1991 | US5057473 Regenerative Cu La zeolite supported desulfurizing sorbents |
| 10/15/1991 | US5057426 Method for separating long-chain nucleic acids |
| 10/15/1991 | US5057296 Sintering oxides, quaternary ammonium compounds, auxilliary hydrocarbons, and amines |
| 10/15/1991 | CA1290706C Process for increasing the concentration of one component in a multi-component gaseous mixture |
| 10/12/1991 | WO1991015292A1 Active composite and its use as reaction medium |
| 10/12/1991 | CA2014595A1 Asymmetric microporous beads for controlled release |
| 10/09/1991 | EP0450923A2 Method of treating the surface of an absorbent resin |
| 10/09/1991 | EP0450504A1 Preparative chromatographic separation for the production of enantiomerically pure hetrazepines |
| 10/09/1991 | EP0450414A2 Impregnation for breathing protection filter with active carbon |
| 10/09/1991 | EP0450047A1 Polymer bead containing immobilized metal extractant |
| 10/09/1991 | CN1014233B Oligomerization of olefins |
| 10/08/1991 | US5055557 Ultrapurification of factor IX and other vitamin K-dependent proteins |
| 10/08/1991 | US5055501 Unsaturated acid or alkali metal salt polymer obtained by reverse phase polymerization, crosslinked with (3,4-epoxycyclohexy l)methyl (3,4-epoxycyclohexanecarboxylate |
| 10/08/1991 | US5055314 Blend of silica gel and cellulose; filtration |
| 10/08/1991 | US5055194 Support for high performance liquid chromatography in a magnetically stabilized fluidized bed |
| 10/08/1991 | CA1290481C Graft copolymers of crosslinked polymers and polyoxyethylene, processes for their production, and their usage |
| 10/08/1991 | CA1290261C Adsorbate recovery in psa process |
| 10/07/1991 | WO1991015760A1 Packing of column for fractionating and assaying high specific gravity lipoprotein and/or hdl cholesterol |
| 10/06/1991 | WO1991015112A1 Process for the production of a porous granulated ceramic material for use as an adsorbent or absorbent, in particular animal litter |
| 10/06/1991 | CA2051807A1 Process for producing a porous ceramic granular material for use as an adsorbent and/or absorbent, particularly as animal litter |
| 10/03/1991 | WO1991015291A1 Pellets of clay and superabsorbent polymer |
| 10/03/1991 | CA2079684A1 Pellets of clay and superabsorbent polymer |
| 10/03/1991 | CA2039281A1 Method of treating the surface of an absorbent resin |
| 10/02/1991 | EP0449672A1 Activated alumina agglomerates and process for their preparation |
| 10/02/1991 | EP0449576A1 Purifying fluids by adsorption |
| 10/02/1991 | EP0449267A1 Highly hygroscopic laminate |
| 10/02/1991 | EP0449151A2 Material of adsorbing pyrogen |
| 10/02/1991 | EP0449140A1 Process for preparing alkyl tert-alkyl ethers |
| 10/02/1991 | EP0448823A2 Separation materials |
| 10/02/1991 | EP0448647A1 Heat resistant microporous material production and products. |
| 10/02/1991 | DE4009840A1 Cyclodextrin-polymerisate und verfahren zu deren herstellung Cyclodextrin polymers and methods for their preparation |
| 10/02/1991 | DE4009825A1 Wasserunloesliche cyclodextrin-polymerisate und verfahren zu deren herstellung Water-insoluble cyclodextrin polymers and methods for their preparation |
| 10/02/1991 | CN1054911A Gas separating device |
| 10/01/1991 | US5053243 Plasma polymerization of hydrocarbon monomer on non-permeable substrate in presence of a non-polymerizing fluid |
| 10/01/1991 | US5053135 Separating by interpenetrated form of silica and three-dimensional crosslinked acrylic, vinyl and/or allyl copolymer |
| 10/01/1991 | US5053133 Affinity separation with activated polyamide microporous membranes |
| 10/01/1991 | US5052188 Desiccant materials for use in gas fired cooling and dehumidification equipment |
| 10/01/1991 | CA2038983A1 Process for preparing alkyl tert-alkyl ethers |
| 10/01/1991 | CA2037523A1 Purifying fluids by adsorption |
| 09/28/1991 | WO1991014710A1 Water-insoluble cyclodextrin polymerizates and process for producing them |
| 09/28/1991 | WO1991014708A1 Cyclodextrin polymerizates and process for producing them |
| 09/28/1991 | CA2079215A1 Cyclodextrin polymers and process for their preparation |
| 09/28/1991 | CA2079208A1 Water-insoluble cyclodextrin polymers and processes for their preparation |
| 09/27/1991 | CA2020502A1 Process for the in-situ production of a sorbent-oxide aerosol used for removing effluents from a gaseous combustion stream |
| 09/26/1991 | DE4009249A1 Filter medium for purificn. of effluent waters etc. |
| 09/25/1991 | EP0448302A2 Carbon-clad inorganic oxide particles and the same with a polymer coating thereon |
| 09/25/1991 | EP0447923A1 Polymeric oil absorption composition |
| 09/24/1991 | US5051202 Treatment of sepiolite with water solution of sodium carbonate or a basic salt |
| 09/24/1991 | US5051189 Method of removing an unwanted impurity from an aqueous material |
| 09/24/1991 | US5051185 Absorbent of β2 -microglobulin |
| 09/24/1991 | US5051176 Packing material for liquid chromatography |
| 09/24/1991 | US5051117 Process for removing gaseous contaminating compounds from carrier gases containing halosilane compounds |
| 09/23/1991 | WO1991014657A1 Process and installation for purifying waste water |
| 09/23/1991 | CA2077685A1 Process and installation for purifying waste water |
| 09/19/1991 | WO1991013714A1 Process for manufacturing metallic or ceramic materials |
| 09/19/1991 | WO1991013679A1 Bulk gas sorption composition and apparatus |
| 09/19/1991 | DE4033227A1 Metallic or ceramic article prodn. - by moulding or casting film-forming material contg. metals or ceramic raw materials |
| 09/19/1991 | DE4008524A1 Absorbent granulate having optimum absorption capacity |
| 09/18/1991 | EP0447366A1 Granules, a process and apparatus for their production |
| 09/18/1991 | CA2038106A1 Polymeric oil adsorbents |
| 09/17/1991 | US5049366 Catalysts, catalyst supports, molecular sieves |
| 09/17/1991 | US5049365 Process for treating air containing hydrocarbon vapor with a composite adsorbent material |
| 09/16/1991 | WO1991014042A1 Compositions and polymer fabrics treated with the same |
| 09/16/1991 | CA2057901A1 Compositions and polymer fabrics treated with the same |
| 09/14/1991 | CA2021160A1 Cellulose absorbent product and method of manufacture |
| 09/12/1991 | DE4007695A1 Adsorbent and binder comprising comminuted rubber, esp. scrap tyres - for removing oil from water, sludge or soil |
| 09/12/1991 | DE4006923A1 Sepn. material for chromatography - consists of cyclodextrin chemically bonded onto carrier via carbamic acid gps. |
| 09/11/1991 | EP0445776A2 Preparation of high capacity unsupported regenerable CO2 sorbent |
| 09/11/1991 | EP0445604A2 Separation materials for chromatography |
| 09/11/1991 | EP0419581A4 Method for intercalating organic-swelled layered metal chalcogenide with a polymeric chalcogenide by plural treatments with polymeric chalcogenide precursor |
| 09/11/1991 | CN1054382A Method for production of opal filter aid and products thereof |
| 09/10/1991 | US5047513 Nickel nitrilotriacetates bound to a matrix-spacer system to purify proteins and peptides having surface histidine residues; chromatography |
| 09/10/1991 | US5047438 Crosslinked Addition Copolymer Particles Useful In Chromatography, Adsorption, Ion Exchanging And In Catalysis |
| 09/10/1991 | US5047437 Porous polyacrylonitrile beads and process for their production |
| 09/10/1991 | US5047255 Activating material composed mainly of animal bone, flocculating agent composed mainly of the material and processes for preparation thereof |
| 09/10/1991 | US5047203 Titanium and aluminum oxide based solid solutions |
| 09/10/1991 | CA1288769C Boron resins of high selective absorbent power |
| 09/10/1991 | CA1288603C High temperature oil containment boom |