| Patents for B01J 20 - Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof (48,616) | 
|---|
| 07/14/1981 | CA1104906A1 Dewatering of mineral suspensions | 
| 07/14/1981 | CA1104782A1 Absorbent films and laminates | 
| 07/09/1981 | WO1981001856A1 Sorbent-loaded textile yarns and films and methods of fabricating same | 
| 07/08/1981 | EP0031719A2 Sorbent-loaded textile fibers and films and methods of fabricating the same | 
| 07/08/1981 | EP0031586A2 Functionalised carbonaceous adsorbents, which may be ion exchange materials or precursors thereof,processes of making and using them | 
| 07/08/1981 | EP0031522A2 Process for the filtration of beverages | 
| 07/07/1981 | US4277565 Macromolecular adsorbent containing pendant difluoroalkyl phosphate groups for adsorbing heavy metal ions | 
| 07/07/1981 | US4277345 Method for the recovery of uranium dissolved in sea water | 
| 07/01/1981 | EP0031272A1 Process and device for isotropic separation by gaseous diffusion | 
| 06/30/1981 | US4276411 Layered organophosphorus inorganic polymers containing acyclic groups | 
| 06/30/1981 | US4276410 Layered organophosphorus inorganic polymers containing mercapto or thio groups | 
| 06/30/1981 | US4276409 Used for chelating metallic ions | 
| 06/30/1981 | US4276327 Process for depositing alumina onto a substrate and alumina regeneration | 
| 06/30/1981 | US4276179 Removing halogenated hydrocarbons from aqueous media by utilizing a polyolefinic microporous adsorbent | 
| 06/30/1981 | US4276160 Treatment with ions | 
| 06/30/1981 | US4276061 Chromatographic column packing having a bonded organosiloxane coating | 
| 06/30/1981 | US4276019 Process for regenerating of an adsorbing material in the form of particles charged with at least two volatile compounds having different thermal stabilities | 
| 06/30/1981 | EP0015293A4 Method and apparatus for producing hollow microspheres. | 
| 06/30/1981 | CA1104110A1 Enzyme-immobilization carriers and preparation thereof | 
| 06/25/1981 | WO1981001643A1 Diaper | 
| 06/24/1981 | EP0030921A1 Process for the separation of nitrobenzene, di- and/or trichlorobenzene from waste vapours | 
| 06/24/1981 | EP0030535A1 Method and device in manufacturing foamed urea formaldehyde material to be used as a sorbent. | 
| 06/23/1981 | US4274971 Filtration process using polyolefin fibrids as filter aids | 
| 06/23/1981 | US4274848 Gas-venting filter for collection appliance | 
| 06/23/1981 | US4274842 Method of purifying gas containing gaseous mercury | 
| 06/23/1981 | CA1103650A1 Treatment of silica | 
| 06/23/1981 | CA1103404A1 Spill control composition and use thereof | 
| 06/16/1981 | US4273753 With inorganic halide or oxyhalide | 
| 06/16/1981 | CA1103228A1 Oil-adsorbing composition for treating oil- contaminated water | 
| 06/16/1981 | CA1103170A1 Treatment of oil contaminated water | 
| 06/16/1981 | CA1103035A1 Removal of actinide metals from solution | 
| 06/11/1981 | WO1981001575A1 An absorbent and a method of its manufacture | 
| 06/09/1981 | US4272382 Process for separating cyclic phosphazene oligomers | 
| 06/09/1981 | US4272264 Adsorbent package | 
| 06/03/1981 | EP0029715A1 Porous spherical carbonaceous product and production thereof | 
| 06/03/1981 | EP0029625A1 Process for the purification of water | 
| 06/02/1981 | US4271043 Pillared interlayered clay products | 
| 06/02/1981 | US4271021 Treating polyacrylic acid with an acid | 
| 06/02/1981 | CA1102347A1 Removal of metal from solution | 
| 06/02/1981 | CA1102346A1 Process for producing a functionalized silica by reacting silica with a silane and a polyamine | 
| 05/26/1981 | CA1101828A1 Composition for chromatography | 
| 05/26/1981 | CA1101827A1 Bimodal chromatographic resolving zone | 
| 05/26/1981 | CA1101637A1 Combined hydrogen storage and production process and applications thereof | 
| 05/26/1981 | CA1101633A1 Crystalline borosilicate (ams-1b) and process use | 
| 05/20/1981 | EP0028967A1 Process for producing materials absorbing hyperfrequency waves and absorbing material so obtained | 
| 05/20/1981 | EP0028937A2 Albumin-fixed resin, process for its production, method of using it to remove noxious substances from solutions containing them, and its use in removing noxious substances from blood | 
| 05/19/1981 | US4268422 Titanium dioxide hydrate of a particular structure and process of manufacture thereof | 
| 05/12/1981 | US4267308 Layered zirconium bis(benzenephosphonate) inorganic polymers | 
| 05/12/1981 | US4267069 Using an aqueous copper salt solution | 
| 05/12/1981 | US4267055 Adsorption on macroporous polymer | 
| 05/12/1981 | US4266408 Filter block and method of making the same | 
| 05/12/1981 | CA1100721A1 Carbon pellets with controlled porosity | 
| 05/06/1981 | EP0028126A1 Material produced from cross-linked ionic chitin derivative, its preparation and use | 
| 05/06/1981 | EP0027998A1 Process for reabsorption and retention of phosphorus by activated biomass | 
| 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 | US4265768 Ion exchange material prepared from partially pyrolyzed macroporous polymer particles | 
| 05/05/1981 | US4265720 Storage material for hydrogen | 
| 05/05/1981 | CA1100419A1 Organic vapor respirator cartridge end-of-service indicator system and method | 
| 04/30/1981 | WO1981001094A1 Aromatized soluble coffee | 
| 04/28/1981 | US4264449 Antibody-specific solid phase immunoadsorbent, preparation thereof, and antibody purification therewith | 
| 04/28/1981 | US4264342 Thermally condensed mixture of polyacrylonitrile and ferrous acetate as carbon monoxide adsorbent | 
| 04/28/1981 | CA1100121A1 Manufacture of abrasion-resistant coke | 
| 04/22/1981 | EP0027158A2 Cationic adsorbent, process for its preparation and its use in removing anionic substances from aqueous solutions | 
| 04/21/1981 | US4263407 Polymeric adsorbents from macroreticular polymer beads | 
| 04/21/1981 | US4263363 Diaper containing oil and emulsifier | 
| 04/21/1981 | US4263268 Depositing polymerizable material onto porous substrate, pyrolysis, graphitization | 
| 04/21/1981 | US4263020 Removal of sulfur from process streams | 
| 04/21/1981 | CA1099693A1 Desulfurization of hot reducing gas | 
| 04/21/1981 | CA1099691A1 Magnesia adsorbent and method for treating waste water containing organic contaminants utilizing the same | 
| 04/14/1981 | US4261857 Method and apparatus for regenerating used active carbon | 
| 04/14/1981 | US4261709 Bromine adsorbed on carbonaceous molecular sieve | 
| 04/14/1981 | CA1099441A1 Polysiloxane packed gas chromatographic columns | 
| 04/01/1981 | EP0025919A1 A process for preferentially removing more planar molecules from mixtures with less planar molecules | 
| 04/01/1981 | EP0025900A1 Process for producing shaped spherical bodies based on Al2O3 and their use | 
| 04/01/1981 | EP0025858A1 Rechargeable storage means for binding gaseous hydrogen | 
| 03/31/1981 | US4259304 Activation of coal | 
| 03/31/1981 | US4259213 High copper level comulled and impregnated sulfur sorbent | 
| 03/31/1981 | CA1098289A1 Regenerator flow distribution device | 
| 03/25/1981 | EP0025639A1 Process for preparing porous cellulose spherical particles | 
| 03/24/1981 | US4258136 Process for producing wood adsorbents for mercury ions by graft polymerization of acrolein onto xanthated wood meal followed by conversion to thiosemicarbazone | 
| 03/24/1981 | US4257916 Reacting an inorganic oxide with a haloalkyl oxysilane which product is reacted with an inorganic sulfite to form a sulfonate salt | 
| 03/24/1981 | US4257897 Aerobic sludge treatment | 
| 03/24/1981 | US4257807 Precious metals recovery process | 
| 03/19/1981 | WO1981000673A1 Blood serum-separating agent | 
| 03/18/1981 | EP0025337A1 Method and apparatus for applying a coating to a sheet material | 
| 03/17/1981 | US4256872 Intercalation compounds prepared by the metathesis reaction in liquid phase of an inorganic tetravalent metal compound and an organic phosphonate; ion exchangers | 
| 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 | US4256728 Deodorization method | 
| 03/17/1981 | US4256676 Process for preparing porous metal oxide beads | 
| 03/17/1981 | US4256606 Arrangement for the thermal regeneration of charged active coke or active carbon granulate | 
| 03/17/1981 | US4256587 Siliceous adsorbent for heavy metals | 
| 03/17/1981 | CA1097605A1 Water clarification | 
| 03/17/1981 | CA1097575A1 Process for operating an adsorption filter | 
| 03/10/1981 | US4255276 Silicatic complexing agent for alkaline earth ions and method of preparing same | 
| 02/24/1981 | US4252779 Synthetic imogolite | 
| 02/24/1981 | US4252571 Decoloring, deashing | 
| 02/24/1981 | CA1096313A1 Method for treatment of waste water |