| Patents for B01J 39 - Cation exchange; Use of material as cation exchangers; Treatment of material for improving the cation exchange properties (4,694) |
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| 07/27/1988 | EP0275763A1 Process for the extraction of cations and its use in treating aqueous waste solutions |
| 07/20/1988 | CN87106904A Process for regenerating carbonylation catalyst solution to remove corrosion metals |
| 07/13/1988 | EP0274395A2 Stabilization of cation exchange resins used in precoat filters |
| 07/05/1988 | US4755322 Method of obtaining composite ion exchangers |
| 06/07/1988 | US4749808 Reacting olefin or olefin oxide with carboxylic acid to produce esters |
| 06/07/1988 | CA1237832A1 Method for removing and recovering nutrients from wastewater |
| 06/02/1988 | WO1988003915A1 Ion exchange compositions |
| 05/31/1988 | US4747949 Liquid membrane coated ion-exchange column solids |
| 05/24/1988 | US4746438 Demineralization, degasification |
| 05/24/1988 | CA1237231A1 Polysulfone ionomers |
| 05/17/1988 | US4744973 Boron, silicon, zirconium polymerized |
| 05/11/1988 | EP0266945A2 Inorganic ion exchange materials |
| 05/04/1988 | EP0266153A2 Ion exchange materials |
| 04/27/1988 | EP0265140A1 Process for regenerating a carbonylation catalyst solution to remove corrosion metals |
| 04/27/1988 | EP0265017A2 Process for the mutual condensation of aromatic and carbonylic compounds |
| 04/27/1988 | EP0264368A1 Process for preparing improved weak acid resins and porous weak acid resins. |
| 04/26/1988 | US4740306 Strong catiionic exchange resin, triazine dye and weak anionic exchange resin |
| 04/21/1988 | WO1988002738A1 A method for cleansing metal-containing solutions, and apparatus herefor |
| 04/13/1988 | EP0263159A1 Composite membrane. |
| 04/12/1988 | US4737316 Purification of contaminated liquid |
| 04/12/1988 | CA1235235A1 Water treatment systems |
| 03/24/1988 | DE3630935A1 Polymer resins containing amidoxime or hydroxamic acid groups |
| 03/22/1988 | CA1234274A1 Crystalline metal aluminophosphates |
| 02/16/1988 | US4725360 Ion exchanging; aqueous sulfuric acid elution |
| 02/10/1988 | CN86104970A Preparation of heavy metal gathering agent using waste containing cellulose |
| 02/09/1988 | US4724207 Silica bonded to polymer groups |
| 02/03/1988 | EP0254822A2 Polymer-treated ion exchange resins |
| 02/03/1988 | EP0254811A2 Coated ion exchange resins |
| 01/20/1988 | EP0252958A1 Process for the preparation of equigranular ion exchange resins for analytical and preparative purposes. |
| 01/05/1988 | US4717513 Silica intercalated crystalline zirconium phosphate-type materials |
| 12/22/1987 | US4714767 Process for the separation of a basic amino acid from a fermentation broth using cation exchange resins |
| 12/16/1987 | EP0249102A2 Ion exchange resin modified with mercaptoamines |
| 12/15/1987 | US4713227 Hydrothermal crystallization in water immiscible solvent and directing agent of aluminum and phosphorus oxide sources reaction mixture |
| 12/09/1987 | EP0248558A2 Improvements in or relating to ion exchange material |
| 11/18/1987 | CN87100695A Gas treatment provess |
| 11/03/1987 | US4704263 Production of potassium phosphates by ion exchange |
| 10/27/1987 | CA1228695A1 Copolymer process and product therefrom |
| 10/22/1987 | WO1987006395A1 Composite membrane |
| 10/20/1987 | US4701366 Controlled pore size for forming cylindrical posts; vapor deposition, masking, etching or grinding |
| 10/15/1987 | DE3712142A1 Verfahren zum reinigen von solen Consoles method for purifying |
| 10/13/1987 | US4699997 Colorimetric detectors |
| 10/13/1987 | CA1228199A1 Method for removing cesium from an aqueous liquid, method for purifying the reactor coolant in boiling water and pressurized water reactors and a mixed ion exchanged resin bed,useful in said purification |
| 10/08/1987 | WO1987005913A1 Process for preparing improved weak acid resins and porous weak acid resins |
| 09/30/1987 | EP0140966B1 Process in the purification of biologically active substances |
| 09/23/1987 | CN86101585A Synthetic technology of resins used for acrylic weak ion exchange |
| 09/22/1987 | US4695642 Method for preparing crystalline zirconium phosphates |
| 09/22/1987 | US4695387 Zeolites |
| 09/16/1987 | EP0237301A2 Sulfonic derivatives of acylated polyethyleneimine bonded phase silica products |
| 09/16/1987 | EP0237101A2 Method for treating liquid effluents deriving from the in-line dyeing of acrylic fibres |
| 09/16/1987 | EP0237091A1 Gas treatment process |
| 09/16/1987 | EP0236993A2 Process for working up hydroxyl amine and its salt-containing effluents |
| 08/25/1987 | CA1225902A1 Purification of contaminated liquid |
| 08/18/1987 | US4687820 Modified polypeptide supports |
| 08/18/1987 | US4687581 Method of separating and purifying cations by ion exchange with regenerable porous glass |
| 08/18/1987 | CA1225798A1 Basic polymer, a process for the preparation thereof and a use as ion exchange resin |
| 07/30/1987 | WO1987004369A1 Process for the preparation of equigranular ion exchange resins for analytical and preparative purposes |
| 07/21/1987 | US4681764 Liver, kidney diseases |
| 07/15/1987 | EP0139001B1 Boiler installation |
| 07/14/1987 | CA1224201A1 Process for the manufacture of zeolite a and product obtained |
| 07/07/1987 | CA1223742A1 Regeneration of crystalline lithium aluminates |
| 06/23/1987 | US4675384 Fractionation/purification of plasma by ion exchange chromatography |
| 06/23/1987 | US4675108 Apparatus for treating wash water from the manufacture of terephthalic acid |
| 06/19/1987 | DE3543661A1 Process for water treatment upstream of a reverse osmosis plant |
| 06/16/1987 | US4673559 Silicoaluminophosphate crystallization using hydrolysis |
| 06/11/1987 | DE3543439A1 Method for neutralising the eluates from an ion exchange, and ion exchanger system for implementing the method |
| 06/10/1987 | EP0225184A2 Inorganic polymeric cationic ion exchange matrices |
| 06/10/1987 | EP0224743A2 Process for removing cations from aqueous solutions by the addition of crandallite |
| 05/19/1987 | US4666776 Polymers for the purification of acarbose |
| 05/12/1987 | US4664897 Crystalline silicophosphoaluminate MCM-4 |
| 05/12/1987 | US4664839 Ion exchanging |
| 05/12/1987 | US4664806 Ethers having carboxy, thio, and amide groups |
| 05/12/1987 | US4664700 Water pollution control |
| 05/05/1987 | US4663163 Modified polysaccharide supports |
| 05/05/1987 | CA1221499A1 Alkylaminophosphonic chelating resins, their preparation and use in purifying brines |
| 05/05/1987 | CA1221493A1 Compounds and method of preparation by chlorosulfonation of difficulty sulfonatable poly(ether sulfone) |
| 04/28/1987 | US4661344 Halocyanoacetamides and 2-acylamino-2-haloalkyl acetate; sustained release |
| 04/28/1987 | US4661327 Recovery of mineral values using magnetically susceptible ion exchange agent |
| 04/28/1987 | US4661248 Sulfonic derivatives of acylated polyethyleneimine bonded phase silica products |
| 04/28/1987 | US4661138 Method of strengthening the alkali resistance of a porous glass |
| 04/14/1987 | US4657731 Method for removing cesium from an aqueous liquid and purifying the reactor coolant in boiling water and pressurized water reactors |
| 04/09/1987 | WO1987001965A1 Process and agent for water treatment |
| 04/08/1987 | EP0217143A2 Composite ion exchanger and method for preparing it |
| 04/07/1987 | US4655909 Ion exchange units, regeneration; batch operation |
| 04/02/1987 | DE3534472A1 Verfahren und mittel zur wasserbehandlung Methods and means for treating water |
| 04/01/1987 | EP0216668A1 Solid polyvinyl alcohol carrier adsorbing lipoproteins and its use in the separation of low density lipoproteins from a liquid such as a blood plasma |
| 03/31/1987 | US4654138 Silicophosphoaluminate, hydrocarbon cracking, alcohols and ethers to olefins |
| 03/24/1987 | US4652280 Adsorption material for olefins, gas chromatography column, method of selectively removing olefins from a mixture of hydrocarbons |
| 03/18/1987 | EP0214764A2 Method and apparatus for ion exchange applications |
| 03/05/1987 | DE3531404A1 Process for removing organic constituents from water to be fed to reversed osmosis |
| 03/05/1987 | DE3530498A1 Process for removing ammonium ions from waste waters |
| 03/04/1987 | EP0211983A1 Crystalline 3-layer lithium aluminates |
| 03/04/1987 | CN85106111A Process for preparing partially neutralized strong-acid cation-exchange resins in acid form |
| 03/03/1987 | US4647644 Phenylenesulfonate group-containing organopolysiloxanes, method for their preparation and use thereof |
| 03/03/1987 | US4646674 Indicator device using metal salts of polyacetylenic compounds |
| 02/24/1987 | US4645604 Desalination |
| 02/10/1987 | US4642193 Ion exchanging with hydrotalcite |
| 01/27/1987 | US4639513 Chromatographic purification |
| 01/27/1987 | US4639358 Crystalline silicophosphoaluminate MCM-1 |
| 01/27/1987 | US4639357 Crystalline silicophosphoaluminate MCM-5 |
| 01/20/1987 | EP0164402A4 Recovery of organic acids, catalysts and water from terephthalic acid manufacture. |