| Patents for B01D 15 - Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor (21,474) |
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| 05/24/1977 | US4025428 Process for the purification of industrial effluents |
| 05/24/1977 | US4025427 Reusable water softener system for clothes washer |
| 05/24/1977 | US4025426 Apparatus and method using activated carbon to purify liquid wastes |
| 05/24/1977 | US4025321 Fixed bed of activated zeolite molecular seive counter-currently purged with oxygen depleted hydrocarbon gas |
| 05/17/1977 | US4024061 Pulse dampers for liquid chromatography |
| 05/03/1977 | US4021368 Process of treating mycelia of fungi for retention of metals |
| 04/19/1977 | US4018865 A-hydroxyoximes, sulfonic acids |
| 04/19/1977 | US4018685 Automatic liquid mixing device |
| 04/19/1977 | US4018677 Method of stripping solid particles |
| 04/19/1977 | US4018676 Removal of explosive materials from water by chemical interaction on strongly basic ion exchange resins |
| 04/05/1977 | US4016180 Chemical concentration by adsorption |
| 04/05/1977 | US4016074 Chromatographic separation |
| 03/22/1977 | US4013556 Combination flow distribution and collection apparatus |
| 02/08/1977 | US4007116 Process for the purification of waste waters with activated carbon |
| 02/01/1977 | US4006214 Process for the recovery of fluorine from an aqueous solution |
| 01/25/1977 | US4005137 Adsorption on silica gel |
| 01/25/1977 | US4005010 Method of packing media in a tower or bed |
| 01/04/1977 | US4001113 Ion exchange method |
| 01/04/1977 | US4001112 Valves rather than sliding seals |
| 01/04/1977 | US4001111 Dual temperature gradient elution liquid chromatography |
| 12/28/1976 | US4000098 Separation of proteins by hydrophobic adsorption |
| 12/28/1976 | US4000070 Apparatus for protecting a liquid chromatography column |
| 12/28/1976 | US4000066 Treating liquid and granular material in panel bed |
| 12/21/1976 | US3998732 Method for purifying water of organic compounds not readily biodegradable |
| 12/21/1976 | US3998627 Process for recovering metals from metal ammine bearing ammonium salt solutions using ion exchange resin |
| 12/14/1976 | US3997620 Process for separating para-xylene |
| 12/14/1976 | US3997484 Polyacrylonitrile |
| 11/30/1976 | US3994804 Sewage sludge treatment system |
| 11/23/1976 | US3993562 Loop-style continuous ion exchange unit |
| 11/16/1976 | US3992175 Method of and device for chromatographic separation of fluid mixtures into fractions |
| 11/09/1976 | US3991154 Or breeder material containing thorium dissolved in an acid solution |
| 10/26/1976 | US3988225 Method of preventing the supersaturation of electrolyte solutions with one or more of the impurities arsenic, antimony and bismuth, in the electrolytic refining of nonferrous metals, especially copper |
| 10/19/1976 | US3986952 Isolation of utero-evacuant substances from plant extracts |
| 10/12/1976 | US3985616 By entrappment or covalent bonding with alkali saponified gelatinized-starch-polyacrylonitrile |
| 10/05/1976 | US3984315 Chromatography |
| 09/28/1976 | US3983053 Coated adsorbent materials |
| 09/28/1976 | US3982912 Method for preparation of an improved K-A type zeolite and for separation by adsorption polar and non-polar molecules |
| 09/21/1976 | US3981100 Highly absorbent starch-containing polymeric compositions |
| 09/07/1976 | US3979287 Adsorption process |
| 09/07/1976 | US3979285 Process for the purification of industrial effluents |
| 09/07/1976 | US3979280 Separation of unsaturated compounds from liquid hydrocarbon mixtures containing same |
| 09/07/1976 | US3978575 Method and device for extracting filter frits from liquid chromatographic columns |
| 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 | US3972810 Removal of chromium, chromate, molybdate and zinc |
| 08/03/1976 | US3972809 Vegetable material, ion exchange resin |
| 07/20/1976 | US3970737 Metal, particularly gold, recovery from adsorbed cyanide complexes |
| 07/20/1976 | US3970605 Method for recovering vinyl sulfonate monomers |
| 07/20/1976 | US3970604 Method for recovering vinyl sulfonate monomers |
| 07/13/1976 | US3969344 Trioxane, 1,3-dioxolane, caprolactone, or caprolactam |
| 07/13/1976 | US3969242 Control system for liquid-solid contacting apparatus |
| 07/06/1976 | US3968038 Apparatus for treating liquids |
| 06/29/1976 | US3966609 Chromatographic device |
| 06/29/1976 | US3966410 Group extraction of organic compounds present in liquid samples |
| 06/08/1976 | US3962206 Gel chromatography process for fractionating ionic polymers |
| 06/01/1976 | US3960846 Method for purifying lactams |
| 06/01/1976 | US3960721 Fluid treating apparatus and method |
| 06/01/1976 | US3960720 Gel product for separation purposes and method of using the product for hydrophobic salting out adsorption |
| 05/25/1976 | US3959128 Process for removing endotoxin from biological fluids |
| 04/27/1976 | US3953360 Preparation of selective adsorbing particles |
| 04/27/1976 | US3953324 Removal of solvent |
| 04/20/1976 | US3951814 Coalescing unit for gravity separator |
| 04/20/1976 | US3951799 Filtration process |
| 04/06/1976 | US3949060 Purification, gamma aluminum oxide |
| 04/06/1976 | US3948775 Horizontal packed column consisting of multiple chambers with fluid distributors |
| 03/30/1976 | US3947552 Process for the purification of cyanogen chloride |
| 02/17/1976 | US3939221 Fractional distillation, aluminosilicate adsorbent |
| 02/17/1976 | US3939118 Molecular sieve moist with water |
| 01/27/1976 | US3935099 Method of reducing water content of emulsions, suspensions, and dispersions with highly absorbent starch-containing polymeric compositions |
| 01/27/1976 | US3935097 Hydrogen fluoride-water |
| 01/20/1976 | US3933975 Multistage, oxidation, precipitation |
| 01/06/1976 | US3931004 Method of treating waste liquids from photographic processings |
| 01/06/1976 | US3931003 Ion exchanger for the treatment of waste water |
| 01/06/1976 | US3931002 Process for removing heavy metals from solutions |
| 01/06/1976 | US3930685 Solids flow control device |