Patents
Patents for B01D 15 - Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor (21,474)
09/1990
09/04/1990US4954150 Device for branching gas flows
09/02/1990CA2011295A1 System for detecting transition and rare earth elements in a matrix
09/02/1990CA2011270A1 Baseline stability in gradient ion chromatography by using a nonionic modifier
08/1990
08/29/1990EP0384212A1 Process for obtaining aqueous solutions of free neutral alpha-amino acids from aqueous solutions of their alkali metal salts
08/28/1990US4952386 Filtration, extraction, ion-exchanging, regeneration
08/28/1990US4952349 Macroporous polymeric membranes for the separation of polymers and a method of their application
08/28/1990US4952322 Method for absorbing free hemoglobin from blood
08/28/1990US4952321 Process of removing and concentrating desired ions from solutions
08/28/1990US4952126 Apparatus for determination of microconstituents
08/23/1990WO1990009238A1 Affinity chromatography
08/21/1990US4950635 Method for producing dual zone materials by catalyzed halosilylation
08/21/1990US4950408 Process for removing mercury from a non-polar organic medium
08/21/1990CA1272891A1 Chromatographic analyzer
08/16/1990EP0382215A1 Porous adsorbent for beta-2-Microglobulin
08/16/1990EP0270595B1 An optically active reagent and a method for the determination of enantiomeric amine compounds
08/15/1990CN1009159B Liquid phase adsorption process
08/14/1990US4948816 Spherical grains of polyamino acid and production method thereof
08/09/1990WO1990009026A1 Process for decontaminating materials that have been attacked by metallic ions or by radioactive substances
08/09/1990WO1990008584A1 Novel aminoglycoside affinity media for separation of macromolecules
08/08/1990CN1009082B Primycin components and process for the separation of the antibiotic complex
08/08/1990CN1009058B Optically active adsorbents
08/02/1990DE3901358A1 Verfahren und vorrichtung zur entfernung toxischer mittel aus trichlortrifluorethan Method and device for removal of toxic medium of trichlorotrifluoroethane
08/01/1990EP0379917A2 Optically active (meth)acrylic-acid derivatives, their preparation, their polymerisation into optically active polymers and their use
08/01/1990CN1044339A Liquid chromatography system and method of utilizing same
07/1990
07/31/1990US4944884 Body fluid purification method using activated carbon fibers of novoloid resin origin
07/26/1990WO1990008172A1 Support for selective immuno-purification of a liquid and process for treating said support
07/26/1990WO1990007965A1 Chromatography on a continuous polymer
07/26/1990DE3912702C1 Decontaminating solid and semi-solid materials - by spraying with dissociation fluid, performing selective ion exchange, etc.
07/25/1990EP0378996A2 Sorption container for solid sorbents
07/25/1990CN1044078A Zeolites
07/25/1990CN1008910B Dry material for aquated contains dispersed polymeres particle aquogel and its process of preparation and application in biology
07/18/1990EP0377713A1 Arrangement and process for purifying waste water
07/18/1990CN1043883A Method of separating substance from liquid by means of particulate material
07/17/1990US4941962 Electrostatic adsorptive fluid filtering apparatus
07/12/1990WO1990007711A1 Industrial isolation method of biopolymer and apparatus for said method
07/12/1990DE3900272A1 Synthetic polymeric support material for chromatographic separation processes, process for its production and use
07/11/1990EP0377291A1 Zeolites
07/11/1990EP0376971A1 Process and installation for recovering reusable gas from waste through pyrolysis.
07/11/1990EP0293298B1 Processes for the preparation and regeneration of a copper-containing solid mercury adsorption mass
07/11/1990CN1043627A Components of primycin and process for separating antibiotic composition
07/11/1990CA2007258A1 Heparin fraction with anti-hiv activity
07/10/1990US4940548 Chromatographic separation process for recovering individual diethyltoluene isomers
07/10/1990CA1271468A1 Hydratable dry substance producing an aqueous gel containing dispersed polymer particles, method of its preparation and its application in biology
07/07/1990WO1990007528A1 Polymer compositions
07/04/1990EP0376126A2 Improvements in water purification systems
07/04/1990CN1043497A "tu"acid purifying technology
07/04/1990CN1008599B Process for the isolation of chichen egg white cystatin
07/03/1990CA2006880A1 Push column and chromatography method
06/1990
06/29/1990CA2006895A1 Water purification systems
06/28/1990WO1990006796A1 Improvement of chromatographic separator sorbent bed preparation
06/28/1990WO1990006755A1 Heparin fragments as inhibitors of smooth muscle cell profileration
06/27/1990EP0375410A2 Improved gas chromatography methods and apparatus
06/27/1990EP0252912B1 Immobilised extractants
06/26/1990US4937001 Periodically removing and reapplying magnetic field
06/26/1990CA1270641A1 Process for treating a fuel made up of a mixture of hydrocarbons and alcohols, and selective water absorption product
06/20/1990EP0373391A1 Sorbents on cyclodextrin basis
06/20/1990EP0373311A2 Device for the enrichment of sample materials for spectroscopic purposes
06/20/1990CN1043086A Solution separation apparatus utilizing gel dissolved expansion character
06/19/1990US4935146 Method for removing arsenic or selenium from an aqueous solution containing a substantial background of another contaminant
06/19/1990US4935137 Filter apparatus for a liquid mixture
06/19/1990CA1270437A1 Chromatographic strip having non-compressed edges
06/15/1990CA2005739A1 Heparin fragments as inhibitors of smooth cell proliferation
06/13/1990EP0372939A1 Process for separating N-olefins and N-paraffins from hydrocarbon mixtures
06/13/1990DE3939854A1 Small dia. liq. chromatography column with distributor - balancing eluant flow across inlet filter
06/12/1990US4933159 Sorption of trialkyl arsines
06/12/1990US4933078 Sorption vessel with internal interstage screening vessel
06/07/1990CA2004430A1 Zeolite separation process for olefin-paraffin mixtures useful in synlube production
06/06/1990EP0371746A2 Method of separating proteins
06/06/1990EP0371648A1 A continuous displacement chromatographic method and apparatus
06/06/1990EP0371636A2 Improved affinity supports for hemoperfusion
06/06/1990EP0371258A2 Surface-hydrated porous polyacrylonitrile substrates, such as beads derivatives thereof, process for their preparation, and methods for their use
06/06/1990EP0371013A1 Reagent and process for binding polymers to micro-organisms in aqueous solutions.
06/05/1990US4931184 Chromatographic separation
05/1990
05/31/1990WO1990005572A1 Method of separating a substance from a liquid by means of a particulate material
05/30/1990EP0370803A2 Process for reducing axial dispersion in a magnetically stabilized fluidized bed
05/29/1990CA1269769A1 Modified membrane suppressor and method of use
05/29/1990CA1269653A1 Bioactive substance purification process through biospecific adsorption
05/28/1990CA2004093A1 Method of separating proteins
05/23/1990EP0369769A2 Liquid chromatography using microporous hollow fibers
05/23/1990CN1042319A Method for boron reduction in high-concentrated brine by resin
05/23/1990CN1008081B Process for preparing spherical sio2 particles
05/22/1990US4927541 Process for refining amino acids
05/22/1990US4927539 High performance anion-exchange chromatographic packing composition consisting of low porosity synthetic resin gel particle substrate coated with liquid water-soluble aminated resin
05/22/1990US4927531 Axially adjustable-type column device
05/22/1990US4926702 Sample presence detector for automatic sample injector
05/22/1990CA2003485A1 Sorbent based on cyclodextrin
05/22/1990CA2001739A1 Process for reducing axial dispersion in a magnetically stabilized fluidized bed
05/17/1990WO1990005018A1 Membrane affinity apparatus and purification methods related thereto
05/16/1990EP0368138A1 Adsorbent for chromatography
05/16/1990EP0368092A1 Ion exchange and separation method
05/16/1990EP0367795A1 Affinity separating using immobilized flocculating reagents
05/16/1990CA2002835A1 Method of separating a substance from a liquid by means of a particulate material
05/15/1990US4925818 Fixing bioactive substance to mineral particulate carrier by connecting silane
05/15/1990US4925567 Baseline stabiilty in gradient ion chromatography by using a nonionic modifier
05/15/1990CA2002370A1 Liquid chromatography using microporous hollow fibers
05/09/1990EP0367717A1 Apparatus for carrying out sorption processes
05/09/1990EP0366946A1 Removal of process chemicals from labile biological mixtures by hydrophobic interaction chromatography
05/08/1990US4923616 Method of separating chemical components in simulated moving bed
05/08/1990US4923615 Multistage vertical perforated plates; forward and countercurrent flow
05/08/1990US4923610 Macroporous polymeric membranes for the separation of polymers and a method of their application