| Patents for B01J 47 - Ion-exchange processes in general; Apparatus therefor (4,635) |
|---|
| 01/11/1977 | US4002564 Cation-exchange resins having cross-linked vinyl aromatic polymer matrix with attached amino alkylene phosphonic acid groups, their use, and preparation |
| 01/11/1977 | US4002455 Process for treating and recovering waste water from the fertilizer manufacture |
| 01/04/1977 | US4001113 Ion exchange method |
| 12/14/1976 | US3997644 Blending polyethylene with a thermoplastic resin |
| 11/30/1976 | US3995009 Contacting with uranyl fluoride |
| 11/30/1976 | US3994812 Double bottom tank structure with sleeved strainer means |
| 11/23/1976 | US3993562 Loop-style continuous ion exchange unit |
| 10/12/1976 | US3985648 Method and system for purifying liquid |
| 10/12/1976 | US3985501 High strength, impermeability |
| 10/05/1976 | US3984358 Granulated ion exchangers consisting of polystyrene exchangers with vinylidene fluoride copolymer or polythene-polyvinyl alcohol mixture as binder |
| 10/05/1976 | US3984313 Preferential removal of ammonia and phosphates |
| 08/31/1976 | US3977984 Barium ferrite, iron oxide, magnetism, phenolic resins, polyethylenimine-epichlorohydrin |
| 08/24/1976 | US3976571 Extraction |
| 08/17/1976 | US3975268 Method of largely eliminating volume change in a resin bed due to changes in the pH of liquid equipment by use of resin mixtures with compensating properties |
| 08/03/1976 | US3972840 Ion-exchangeable and solvent-resistant filamentary structure containing sulfone cross-linked aromatic units |
| 08/03/1976 | US3972810 Removal of chromium, chromate, molybdate and zinc |
| 07/27/1976 | US3971842 Continuous displacement chromatographic separation |
| 07/13/1976 | US3969243 Moving bed ion-exchange apparatus and operating method thereof |
| 07/13/1976 | US3969242 Control system for liquid-solid contacting apparatus |
| 06/29/1976 | US3966489 Method of decolorizing sugar solutions with hybrid ion exchange resins |
| 06/22/1976 | US3965000 Method for operating ion exchange columns |
| 06/22/1976 | US3964999 Determination of sodium form water softener breakthrough |
| 06/01/1976 | US3960762 Vinyl copolymer, extraction chromatography |
| 05/18/1976 | US3957698 Thermally reversible, amphoteric ion exchange resins consisting of crosslinked microbeads embedded in crosslinked matrix of opposite exchange group type |
| 05/11/1976 | US3955920 Washing process with acid monomer grafted cellulose fabric in bath to absorb metal cations hardening water |
| 04/20/1976 | US3951799 Filtration process |
| 04/13/1976 | US3950253 Domestic water filtration apparatus |
| 04/06/1976 | US3949115 Carbon |
| 03/30/1976 | US3947612 Method of forming active surfaces on solids |
| 03/16/1976 | US3944485 Ion-exchange hollow fibers |
| 03/02/1976 | US3940916 Knitted or woven ion exchange fabric containing low denier filaments |
| 01/20/1976 | US3933631 Method of operating ion exchange system |
| 01/13/1976 | US3932279 Multi-tank ion exchange water treatment system |
| 01/06/1976 | US3931003 Ion exchanger for the treatment of waste water |
| 01/06/1976 | US3930685 Solids flow control device |