| Patents for B01J 20 - Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof (48,616) |
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| 08/30/1977 | US4045368 Pitch, oxidation |
| 08/30/1977 | US4045353 High-energy radiation induced polymerization on a chromatographic solid support |
| 08/23/1977 | US4043952 Surface treatment process for improving dispersibility of an absorbent composition, and product thereof |
| 08/23/1977 | US4043938 Methods for reactivating zeolites |
| 08/23/1977 | US4043905 Chromatographic separation columns with selectively modified active surfaces and methods for their preparations |
| 08/16/1977 | US4042498 Separation of organic compounds by adsorption processes |
| 08/16/1977 | US4041951 Absorptive structure having improved surface dryness and improved resistance to rewetting in-use |
| 08/09/1977 | US4041242 Telephone signalling system having interruption preventive means |
| 08/09/1977 | US4040990 Adsorbers, catalysts |
| 08/09/1977 | US4040972 Ion-exchanging aluminum silicate with hydrophilic surfaces |
| 08/09/1977 | US4040802 Impregnated charcoal |
| 08/02/1977 | US4039489 Isocyanate-cured |
| 08/02/1977 | US4039446 Pollution control, carbon disulfide, amino resins |
| 07/26/1977 | US4038373 Aluminum halohydrate |
| 07/26/1977 | US4038211 Impregnating silica xerogel with phosphoric acid |
| 07/19/1977 | US4036747 Adsorbent for recycling artificial kidney |
| 07/19/1977 | US4036744 Adsorption using a sodium aluminum silicate zeolite |
| 07/19/1977 | US4036739 Catalytic cracking process using ammonia-stable zeolite catalyst |
| 07/12/1977 | US4035196 Absorbent composition |
| 07/05/1977 | US4034071 Immunoassay procedures |
| 07/05/1977 | US4034065 Monovalent copper cations from bivalent cations by reaction with water |
| 07/05/1977 | US4033817 Pressure-driven enzyme-coupled membranes |
| 07/05/1977 | US4033764 Complexing, inorganic clay minerals, smectites |
| 06/21/1977 | US4031201 Fibres incorporating antibodies, antigens and antisera, method for their preparation and their use |
| 06/14/1977 | US4029725 Nonoxidative process for purifying aqueous inorganic salt solutions employed in the wet spinning of filamentary vinyl polymers |
| 06/14/1977 | US4029583 Chromatographic supports and methods and apparatus for preparing the same |
| 06/07/1977 | US4028255 Magnetic particles embedded in thermoplastic matrix, filter aid |
| 05/31/1977 | US4026795 Dimethyl ether |
| 05/24/1977 | US4025705 Insoluble adsorber resin suitable for treating drinking water and sewage |
| 05/24/1977 | US4025689 Method for manufacture of graphitized hollow spheres and hollow spheres manufactured thereby |
| 05/24/1977 | US4025428 Process for the purification of industrial effluents |
| 05/17/1977 | US4024334 For limonoid; cellulose ester |
| 05/17/1977 | US4024231 Producing alumina having a majority of pore diameters of 35-80A |
| 05/03/1977 | US4021368 Process of treating mycelia of fungi for retention of metals |
| 04/26/1977 | US4019982 Method for treatment of waste water containing organic pollutants |
| 04/26/1977 | US4019879 Selective adsorption of carbon monoxide from gas streams |
| 04/19/1977 | US4018721 Cross-linked, water insoluble poly(N-glycidyl-piperazine) |
| 04/19/1977 | US4018677 Method of stripping solid particles |
| 04/12/1977 | US4017528 Preparation of organically modified silicon dioxides |
| 04/12/1977 | US4017425 Method of activation of red mud |
| 04/12/1977 | US4017422 Method and apparatus for regenerating absorption particles |
| 04/05/1977 | US4016149 Absortion onto a color reactive dye-solid phase support |
| 03/29/1977 | US4014955 Process for the manufacture of polyethers containing ionic bonds |
| 03/29/1977 | US4014711 Separation of fructose from a mixture of sugars |
| 03/22/1977 | US4013825 Manufacture of insoluble and only slightly water-swellable polymers of n-vinyl lactams of improved adsorptivity |
| 03/22/1977 | US4013585 Nitrohumic acid-containing adsorbents and process for producing same |
| 03/15/1977 | US4012452 Olefin hydration process |
| 03/15/1977 | US4012317 Process for extracting urea from a solution with alkenylaromatic polymers with α-ketoalhydic groups |
| 03/08/1977 | US4011299 Calcium and magnesium oxide, reducing gases, forming 2a sulfides |
| 03/08/1977 | US4011160 Or oxazine-modified polymers |
| 03/01/1977 | US4010242 Uniform oxide microspheres and a process for their manufacture |
| 03/01/1977 | US4010234 Production of highly porous active aluminium oxide granulate |
| 03/01/1977 | US4010002 Fluidized bed |
| 02/22/1977 | US4009214 Contacting with calcium chloride on activated alumina |
| 02/22/1977 | US4008994 Apparatus and method for regeneration of spent wet active carbon |
| 02/15/1977 | US4008339 Process for removing polyphenols in vegetable beverages |
| 02/15/1977 | US4008289 Adsorbent treating method |
| 02/15/1977 | US4008274 Antifouling |
| 02/15/1977 | US4008174 Process for regenerating a solid copper-chromium reactant used in the removal of hydrogen sulfide from hydrogen recycle gas |
| 02/15/1977 | US4008169 Preparation of iron oxide sorbent for sulfur oxides |
| 02/08/1977 | US4007253 Crystallization |
| 02/08/1977 | US4007014 Activated carbon revivification equipment |
| 01/25/1977 | US4005137 Adsorption on silica gel |
| 01/18/1977 | US4003848 With a poly-n-glycidyl piperazine |
| 01/11/1977 | US4002720 Cyclic removal of acidic gases by contacting with a presteamed inorganic oxide support and a rare earth metal |
| 01/11/1977 | US4002587 Process for producing granular activated carbon |
| 01/11/1977 | US4002576 Enzyme carrier regeneration |
| 01/11/1977 | US4002173 Diester crosslinked polyglucan hydrogels and reticulated sponges thereof |
| 01/04/1977 | US4001254 Isothiocyanopyridine derivatives |
| 01/04/1977 | US4001147 Or oxazine modified polymerspolystyrene, removal of phenolic compounds |
| 12/28/1976 | US4000251 Method of purifying ammonium fluoride solutions |
| 12/28/1976 | US4000248 Synthesis of zeolites |
| 12/28/1976 | US4000236 Making a conglomerated bonded mass consisting of particles of activated carbon |
| 12/28/1976 | US4000098 Separation of proteins by hydrophobic adsorption |
| 12/21/1976 | US3998732 Method for purifying water of organic compounds not readily biodegradable |
| 12/14/1976 | US3997620 Process for separating para-xylene |
| 12/14/1976 | US3997484 Polyacrylonitrile |
| 12/14/1976 | US3997483 Polyamidepolyamine and polyanionic polymer pretreated non-cellulosic carrier adsorption agents |
| 12/14/1976 | US3997482 Reaction product of bromine cyanide and an acrylate copolymer |
| 12/14/1976 | US3997476 Alumina treatment |
| 12/07/1976 | US3996338 Silica xerogel |
| 12/07/1976 | US3996162 Inorganic crystalline lattice material |
| 12/07/1976 | US3996161 Active carbon and a method of preparing the same |
| 11/30/1976 | US3994830 Polyacrylamide |
| 11/30/1976 | US3994719 Resins for separating heavy metals consisting of thiourea-group-containing macroporous vinyl aromatic crosslinked matrixes |
| 11/30/1976 | US3994299 Absorbent article |
| 11/23/1976 | US3993558 Method of separation of fission and corrosion products and of corresponding isotopes from liquid waste |
| 11/16/1976 | US3992562 Manufacture of insoluble and only slightly water-swellable polymers of N-vinyl lactams of improved adsorptivity |
| 11/16/1976 | US3992327 Catalysts and adsorbents having high surface area to weight |
| 11/09/1976 | US3991018 Method for preparation of cation exchangers by substitution of hydrophilic polymeric gels of crosslinked hydroxyalkyl acrylates and hydroxyalkylacrylamides |
| 11/09/1976 | US3990970 Polyamide, polyester |
| 11/02/1976 | US3989854 Contacting citrus juice with a cellulose ester adsorbent to remove limonin |
| 11/02/1976 | US3989649 Process for production of spherical porous fillers for liquid chromatography by suspension polymerization of monovinyl and polyvinyl aromatic monomers in the presence of paraffin wax |
| 10/19/1976 | US3987058 Preparation and uses of stable, bound stationary phases |
| 10/12/1976 | US3985689 Sorbent foam material |
| 10/12/1976 | US3985616 By entrappment or covalent bonding with alkali saponified gelatinized-starch-polyacrylonitrile |
| 10/05/1976 | US3984349 Modified porous bodies |
| 09/28/1976 | US3983299 Inorganic support, organosilane |
| 09/28/1976 | US3983053 Coated adsorbent materials |
| 09/28/1976 | US3983001 Isolation of biologically active compounds by affinity chromatography |