| Patents for B01D 15 - Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor (21,474) |
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| 05/12/1981 | US4267054 Method for the chromatographic separation of soluble components in feed solution |
| 05/12/1981 | US4267047 Dialyzing membrane with adsorbent layer |
| 05/12/1981 | US4267043 Immiscible liquid separating |
| 05/12/1981 | US4266408 Filter block and method of making the same |
| 05/06/1981 | EP0028126A1 Material produced from cross-linked ionic chitin derivative, its preparation and use |
| 05/05/1981 | US4266045 Etherified phenolic chelate resin, process for its production, and method for adsorption treatment |
| 05/05/1981 | US4265788 Adsorbent for separating para-xylene, and process for the preparation thereof |
| 05/05/1981 | US4265767 Adsorption using inorganic particles of kieselguhr, silica gel or alumina |
| 05/05/1981 | US4265713 Method and apparatus for distillation |
| 05/05/1981 | CA1100439A1 Combination ion exchange and electrodialysis fluid purification apparatus |
| 04/28/1981 | US4264676 Process for preparing superfine ion-exchange fibers |
| 04/28/1981 | US4264449 Antibody-specific solid phase immunoadsorbent, preparation thereof, and antibody purification therewith |
| 04/28/1981 | CA1100242A1 Water softening method using thermally regenerable ion exchange resin |
| 04/28/1981 | CA1100241A1 Removal of bacteria |
| 04/22/1981 | EP0027158A2 Cationic adsorbent, process for its preparation and its use in removing anionic substances from aqueous solutions |
| 04/21/1981 | CA1099708A1 Cellulosic ion exchange fibers and preparing method thereof |
| 04/14/1981 | US4261835 Thin layer and paper chromatography cones |
| 04/14/1981 | US4261819 Recovery of heavy metals from solution by contacting with cross-linked casein |
| 04/14/1981 | US4261737 Leaching ore with ammoniacal ammonium salt solution, adsorption oncarbon which has been pretreated with acid |
| 04/07/1981 | US4260590 Recovery of salts of anthraquinone disulfonic acid in the Stretford process |
| 04/02/1981 | WO1981000913A1 Microchromatographic device and method for rapid determination of a desired substance |
| 03/31/1981 | US4259186 Gel filtration column |
| 03/25/1981 | EP0025639A1 Process for preparing porous cellulose spherical particles |
| 03/24/1981 | US4257896 Countercurrent liquid-solid contacting apparatus |
| 03/24/1981 | US4257884 Chromatography |
| 03/24/1981 | US4257807 Precious metals recovery process |
| 03/17/1981 | US4256843 A hydrolyzed porous spherical gel a homopolymer of pentaerythritol dimethacrylate or a copolymer with a methacrylate; high speed chromatography |
| 03/17/1981 | US4256842 Hydrophilic separating carrier and preparation thereof |
| 03/17/1981 | US4256840 Macroreticular cation exchange beads and preparation of same |
| 03/17/1981 | US4256588 Adhesion of b leukocytes to granular polymer bed |
| 03/10/1981 | US4255267 Separation and recovery of granulocytes from blood using adherence on an expandable bed of a polymeric material |
| 03/10/1981 | US4255148 Removal of sequestered-calcium carbonate by ion exchanging in an exterior-positioned filter; circulation |
| 03/10/1981 | CA1097339A1 Isolation of utero-evacuant substances from plant extracts |
| 03/10/1981 | CA1097228A1 Water purifier with bypass |
| 03/10/1981 | CA1097227A1 Oil recovery apparatus and method |
| 03/03/1981 | US4253995 Purification by reacting with biotin and separating on avidin column |
| 02/25/1981 | EP0024097A1 Apparatus and process for treating a fluid material while it is subjected to a centrifugal force |
| 02/24/1981 | US4252653 Hemoperfusion device for specific modification or removal of components of whole blood |
| 02/24/1981 | US4252644 High performance ion exchange composition and the removal and separation of ions therewith |
| 02/17/1981 | US4251352 Inclined separation screen for agitation tank |
| 02/17/1981 | CA1096068A1 Process for complete or selective removal of salts from aqueous solution |
| 02/11/1981 | EP0023789A2 Process for preparing porous acylated chitin derivative and use of said derivative |
| 02/11/1981 | EP0023582A1 Column for high pressure liquid chromatography and its use |
| 02/10/1981 | US4250141 Column for the removal of undesired substances from a liquid mixture |
| 02/10/1981 | US4250035 Chromatography |
| 02/03/1981 | US4247987 Continuous countercurrent fluid-solids contacting process stabilized by a magnetic field |
| 02/03/1981 | CA1095190A1 Method for removing a weak acid from an aqueous solution |
| 01/28/1981 | EP0023111A1 A halogenated organic contaminant absorption process and an apparatus for carrying out the process |
| 01/28/1981 | EP0022936A1 A column for the treatment of a liquid by means of a particulate material |
| 01/27/1981 | CA1094731A1 Chelate exchange resins from aminopyridines |
| 01/20/1981 | US4246362 Hydrophilic separating carrier and preparation thereof |
| 01/20/1981 | CA1093992A1 Agglomerated fibrous cellulose |
| 01/13/1981 | US4245005 Pellicular coated support and method |
| 01/13/1981 | CA1093472A1 Adsorbent process |
| 01/07/1981 | EP0022005A1 Process for the separation of a proteinic substance starting from a solution containing it upon affinity filtration, and application of the process to enzymatic analyses |
| 01/07/1981 | EP0021997A1 Method of concentrating a low-content element in a solution |
| 01/07/1981 | EP0021817A1 Filler for liquid chromatography, method for separating water-soluble substances using said filler and use of said filler in separating water-soluble biochemical substances |
| 01/07/1981 | EP0021701A1 Zeolites, a method for their treatment and the use of the treated zeolites |
| 01/07/1981 | EP0021540A1 Process for contacting a gaseous phase with at least one liquid phase and at least one divided solid phase |
| 01/07/1981 | EP0020715A1 Process for treatment of solid waste, which contains plastics as well as valuable and/or dangerous solid residue substances. |
| 01/06/1981 | US4243534 Blood separation |
| 12/23/1980 | US4241029 Hydroxyquinoline |
| 12/23/1980 | US4241005 Process for producing a molecularly oriented film |
| 12/23/1980 | US4240909 Nonionic amine-borane or phosphine-borane adducts |
| 12/23/1980 | CA1092149A1 Removal of free fatty acids from water immiscible fluids via ion exchange resins |
| 12/23/1980 | CA1092083A1 Ionically modified cellulose materials |
| 12/16/1980 | US4239970 Radionuclide generator |
| 12/16/1980 | US4239623 Apparatus for producing gradient elution in a liquid chromatographic system |
| 12/09/1980 | US4238329 Coating filter with mixture of diatomaceous earth; adding mixture upstream; complexing |
| 12/09/1980 | US4238328 Process for removing heavy-metal ions from aqueous solutions |
| 12/09/1980 | US4238327 Electric resonance chromatography |
| 12/09/1980 | US4238294 Process for recovering heavy metal ions or heavy metal ions and halogen values from solutions comprising a lower aliphatic monocarboxylic acid |
| 12/09/1980 | US4238196 Methods to determine a diagnostic indicator of blood sugar conditions, and, liquid chromatographic columns therefor (cyanide free) |
| 12/09/1980 | CA1091042A1 Solvent-extraction process for recovery and separation of metal values |
| 12/02/1980 | US4237002 Absorption on activated carbon of impurities in waste liquid which inhibit its biological treatment |
| 11/25/1980 | US4235716 Fluorescent indicators for chromatography and sorption agents containing them |
| 11/18/1980 | US4234427 Liquid chromatography |
| 11/18/1980 | US4234420 Method and apparatus for pollutant spill control |
| 11/18/1980 | CA1089698A1 Method and apparatus for desalination of whey |
| 11/12/1980 | EP0018511A1 Reactive filling substance having exchange properties |
| 11/11/1980 | US4233156 Liquid chromatography apparatus |
| 11/04/1980 | CA1089127A1 Volume and time of day control for water softener regeneration |
| 10/30/1980 | WO1980002235A1 A method and an apparatus for gathering valuable floating,dissolved and suspended substances from sea water |
| 10/29/1980 | EP0018340A1 An offshore plant for recovery of valuable floating, dissolved and suspended materials from sea water |
| 10/21/1980 | US4229545 Made by encapsulating a polymer of a weak acid in a polymer of opposite ion-exchange type in the presence agents which inhibit the formation of salts which would block active exchange sites |
| 10/21/1980 | US4229292 Countercurrent liquid-solid contacting apparatus |
| 10/14/1980 | US4228013 Ion exchanging material, periodic flow reversal |
| 10/14/1980 | US4228008 Chromatographic device for simultaneous collection and evaporation of sequential volatile non-aqueous eluates |
| 10/14/1980 | US4228007 Chromatographic cartridge and holder |
| 10/14/1980 | US4227901 Filter-drier for heat pump systems |
| 10/14/1980 | CA1087593A1 Macroporous microspheroids and a process for their manufacture |
| 10/07/1980 | CA1087329A1 Process for the removal of metals from solutions |
| 10/07/1980 | CA1087328A1 Process and apparatus for ion exchange by use of thermally regenerable resin |
| 10/02/1980 | WO1980002082A1 Radioisotope generator |
| 10/01/1980 | EP0016408A1 Hardness sensor for a water softening device and device for softening water |
| 10/01/1980 | EP0016013A1 Device for high efficiency continuous countercurrent extraction using a rotating helical tube. |
| 09/30/1980 | US4225487 Affinity chromatography of Vibrio cholerae enterotoxin-ganglioside polysaccharide and the biological effects of ganglioside-containing soluble polymers |
| 09/30/1980 | CA1086777A1 Process for removing unwanted acid substances from reaction products |
| 09/23/1980 | US4224415 Polymerization processes and products therefrom |
| 09/16/1980 | US4222892 Process for preparing oxine impregnated-activated charcoal |