Patents
Patents for B01D 15 - Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor (21,474)
09/1980
09/16/1980US4222414 Pulse damper for high-pressure liquid chromatography
09/16/1980CA1085978A1 Process for the removal of phosphates from aqueous solutions
09/09/1980US4221668 Method, apparatus and system for producing eluent flow in liquid chromatography
09/09/1980CA1085531A1 Microporous sub-micron filter media
09/09/1980CA1085309A1 Process for separating para-xylene
09/03/1980EP0014950A1 Method of recovering anthraquinone disulphonic acid salts from a scrubbing liquor
09/02/1980US4220553 Method of making filter block of an adsorbent and phenolic-polyurethane binder
09/02/1980US4220531 Apparatus for deionizing liquids with ion exchange resins
09/02/1980CA1084916A1 Process for purifying an aqueous solution
08/1980
08/26/1980US4219413 Ion exchange resins
08/20/1980EP0014431A2 Process for the recovery of fluorinated emulsifying acids from basic ion exchangers
08/19/1980US4218336 Process for the separation of triphenylphosphine rhodium halide catalysts
08/19/1980US4218315 Water pollution control
08/19/1980CA1084181A1 Apparatus for removal of impurities from liquids
08/14/1980EP0016013A4 Device for high efficiency continuous countercurrent extraction using a rotating helical tube.
08/12/1980US4217415 Immobilization of an enzyme substrate
08/05/1980US4216083 Process for complete or selective removal of salts from aqueous solution
08/05/1980CA1083050A1 Removal of metallic mercury with activated carbon
07/1980
07/29/1980CA1082672A1 Process and apparatus for regenerating adsorbents and wastewater treatment embodying the same
07/29/1980CA1082625A1 Pressure-driven affinity sorption membranes
07/29/1980CA1082606A1 Process and apparatus for regenerating polymeric adsorbents and wastewater treatment embodying the same
07/23/1980EP0013451A1 Removal of caffeine by selective adsorption using zeolite adsorbents
07/23/1980EP0013403A1 Process and apparatus for the removal of waste metabolites from a metabolite-containing solution
07/22/1980CA1082376A1 Treatment of liquids containing complexed heavy metals and complexing agents
07/08/1980US4211664 Mixing adsorbent and magnetic particles in a crosslinkable polymer
07/08/1980US4211658 Triaxially compressed packed beds
06/1980
06/26/1980WO1980001329A1 Process for collecting solid material present in gazeous,liquid or solid waste
06/24/1980US4209592 Liquid sulfur trioxide in a chlorinated hydrocarbon solvent
06/24/1980US4209392 Detoxification
06/17/1980US4208284 Apparatus for distribution separation processes
06/17/1980US4208281 Method of producing active filters more particularly for the treatment of water and waste water
06/10/1980US4207200 Soluble complex former for the affinity specific separation of macromolecular substances, its preparation and its use
06/03/1980US4206050 Perselective memebrane, absorbers and adsorbers
05/1980
05/27/1980US4205130 Affinity vhromatorgaphy, isoelectric focusing
05/27/1980US4204952 Chromatographic apparatus and method
05/20/1980US4203952 Process for the removal of heavy metals and transition metals other than platinum from solution
05/14/1980EP0010769A2 Adsorption separation method and apparatus therefor
05/14/1980EP0010608A1 Method and apparatus for recovering dissolved, suspended or chemically bonded materials from water
05/13/1980US4202944 Selective ion exchange resins with pyridyl-imidazolyl chelating functional groups
05/13/1980US4202774 Flow distributor for fluid bed biological reactor
05/13/1980US4202770 Apparatus for purification of waste water by means of active carbon
05/13/1980US4202737 Ion exchange process for desalination
05/13/1980CA1077409A1 Receiver dryer for a refrigeration system
05/13/1980CA1077401A1 Separation and recovery of ethylbenzene from c8 aromatic mixtures using rubidium-x sieves
05/06/1980US4201827 Magnetically supported particle matrix for accumulating or affecting substances dissolved or finely dispersed in a liquid or gas
04/1980
04/29/1980US4200735 Functional group comprising an iminodicarboxylic acid derivative
04/22/1980US4199450 Use of support treated with aqueous solution of nonproteinic polymer and aqueous solution of protein with molecular weight lower than that of protein to be separated
04/22/1980US4199449 Removal of bacteria
04/22/1980US4198792 Chelate-modified polymers for atmospheric gas chromatography
04/22/1980CA1076026A1 Method of isolating albumin from blood products
04/16/1980EP0009719A1 Device for making visible the metalspecific load of an ion exchanger
04/08/1980US4197195 Divinylbenzene-styrene copolymer as absorbent
04/08/1980CA1075166A1 Sorption of weak organic acids from water by polyurethane
04/08/1980CA1075165A1 Adaptable filtering enclosure
04/08/1980CA1074982A1 Method of stripping solid particles
04/01/1980CA1074766A1 Production of high capacity inorganic crystalline base exchange materials
03/1980
03/19/1980EP0008921A1 Column chromatography and like processes and apparatus for the practice thereof
03/18/1980US4193868 Ion exchange method and apparatus
03/11/1980US4192784 Hydrophilic copolymers, their preparation and their use in separation techniques
03/11/1980CA1073565A1 Separation of macromolecules
03/11/1980CA1073365A1 Process and apparatus for removal of ash from waste water treatment system
03/05/1980EP0008398A1 Process for decaffeinating raw coffee
03/04/1980US4191649 Liquid chromatography system with simulated gradient
03/04/1980CA1072771A1 Method of decreasing chromatographic column plugging by addition of water to the carrier liquid
02/1980
02/26/1980US4190709 Mercury and copper selective metal chelating resins
02/26/1980US4190576 By porous absorber
02/26/1980US4190530 Analyzing physiological fluids
02/20/1980EP0007956A1 Adsorbent regeneration and gas separation utilizing dielectric heating
02/12/1980CA1071544A1 Closed loop coalescence device containing coalescence promoting bodies
02/12/1980CA1071358A1 Method of reducing waste stream pollutants by the control and separation of waste contaminants from a multi-stage cellulosic bleaching sequence
02/06/1980EP0007917A1 Improvements in or relating to media for affinity chromatography.
02/05/1980US4187177 Column for high pressure liquid chromatography
02/05/1980CA1071112A1 Chromatography tube
01/1980
01/29/1980US4186187 Sample processor for the automatic extraction of families of compounds from liquid samples and/or homogenized solid samples suspended in a liquid
01/29/1980CA1070865A1 Removal of antimony from industrial streams
01/22/1980US4184948 Countercurrent flow, multizonal
01/22/1980CA1070121A1 Anion exchange resin for uranium technology
01/15/1980US4183900 Recovery of Mg++ from brines
01/15/1980US4183811 Membrane unit and device for cleansing blood
01/15/1980CA1069872A1 Materials for the separation of organic substances from solution
01/09/1980EP0006199A1 Hydrophilic separating carrier and preparation thereof
01/08/1980US4182633 Process of the operation of a simulated moving bed
01/01/1980US4181613 Venting method for a chromatograph oven
12/1979
12/25/1979US4180389 Isolation and concentration of sample prior to analysis thereof
12/25/1979US4180375 Liquid chromatography pump
12/18/1979US4179268 Method of machine washing of solid soiled materials by reversibly contacting the circulating wash liquid with aluminosilicates
12/13/1979WO1979001083A1 Device for high efficiency continuous countercurrent extraction using a rotating helical tube
12/12/1979EP0005708A1 Gel filtration column
12/11/1979US4178241 Method of removing urea and/or creatinine
12/04/1979US4177140 Cationic polymer ion exchanger
12/04/1979US4177139 Sizing, regeneration
11/1979
11/28/1979EP0005650A1 Fluidized bed reactor with fluidizing fluid flow distributors
11/27/1979US4176056 Cyclic operation of a bed of mixed ion exchange resins
11/20/1979US4175099 Separation and recovery of ethylbenzene from C8 aromatic mixtures using rubidium-X sieves
11/20/1979US4175037 Process for packing chromatographic columns
11/15/1979WO1979000920A1 High capacity folded moving bed ion exchange apparatus and method for treating phosphoric acid and the like
11/13/1979CA1066439A1 Filters for the selective collection of metallic ions
10/1979
10/30/1979US4172783 Condensate purification process by use of dilute clear lime solution
10/30/1979CA1065313A1 Separation of saccharides by exclusion chromatography
10/23/1979US4172114 Method for purifying plutonium hexafluoride