Patents
Patents for B01J 20 - Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof (48,616)
07/1981
07/14/1981CA1104906A1 Dewatering of mineral suspensions
07/14/1981CA1104782A1 Absorbent films and laminates
07/09/1981WO1981001856A1 Sorbent-loaded textile yarns and films and methods of fabricating same
07/08/1981EP0031719A2 Sorbent-loaded textile fibers and films and methods of fabricating the same
07/08/1981EP0031586A2 Functionalised carbonaceous adsorbents, which may be ion exchange materials or precursors thereof,processes of making and using them
07/08/1981EP0031522A2 Process for the filtration of beverages
07/07/1981US4277565 Macromolecular adsorbent containing pendant difluoroalkyl phosphate groups for adsorbing heavy metal ions
07/07/1981US4277345 Method for the recovery of uranium dissolved in sea water
07/01/1981EP0031272A1 Process and device for isotropic separation by gaseous diffusion
06/1981
06/30/1981US4276411 Layered organophosphorus inorganic polymers containing acyclic groups
06/30/1981US4276410 Layered organophosphorus inorganic polymers containing mercapto or thio groups
06/30/1981US4276409 Used for chelating metallic ions
06/30/1981US4276327 Process for depositing alumina onto a substrate and alumina regeneration
06/30/1981US4276179 Removing halogenated hydrocarbons from aqueous media by utilizing a polyolefinic microporous adsorbent
06/30/1981US4276160 Treatment with ions
06/30/1981US4276061 Chromatographic column packing having a bonded organosiloxane coating
06/30/1981US4276019 Process for regenerating of an adsorbing material in the form of particles charged with at least two volatile compounds having different thermal stabilities
06/30/1981EP0015293A4 Method and apparatus for producing hollow microspheres.
06/30/1981CA1104110A1 Enzyme-immobilization carriers and preparation thereof
06/25/1981WO1981001643A1 Diaper
06/24/1981EP0030921A1 Process for the separation of nitrobenzene, di- and/or trichlorobenzene from waste vapours
06/24/1981EP0030535A1 Method and device in manufacturing foamed urea formaldehyde material to be used as a sorbent.
06/23/1981US4274971 Filtration process using polyolefin fibrids as filter aids
06/23/1981US4274848 Gas-venting filter for collection appliance
06/23/1981US4274842 Method of purifying gas containing gaseous mercury
06/23/1981CA1103650A1 Treatment of silica
06/23/1981CA1103404A1 Spill control composition and use thereof
06/16/1981US4273753 With inorganic halide or oxyhalide
06/16/1981CA1103228A1 Oil-adsorbing composition for treating oil- contaminated water
06/16/1981CA1103170A1 Treatment of oil contaminated water
06/16/1981CA1103035A1 Removal of actinide metals from solution
06/11/1981WO1981001575A1 An absorbent and a method of its manufacture
06/09/1981US4272382 Process for separating cyclic phosphazene oligomers
06/09/1981US4272264 Adsorbent package
06/03/1981EP0029715A1 Porous spherical carbonaceous product and production thereof
06/03/1981EP0029625A1 Process for the purification of water
06/02/1981US4271043 Pillared interlayered clay products
06/02/1981US4271021 Treating polyacrylic acid with an acid
06/02/1981CA1102347A1 Removal of metal from solution
06/02/1981CA1102346A1 Process for producing a functionalized silica by reacting silica with a silane and a polyamine
05/1981
05/26/1981CA1101828A1 Composition for chromatography
05/26/1981CA1101827A1 Bimodal chromatographic resolving zone
05/26/1981CA1101637A1 Combined hydrogen storage and production process and applications thereof
05/26/1981CA1101633A1 Crystalline borosilicate (ams-1b) and process use
05/20/1981EP0028967A1 Process for producing materials absorbing hyperfrequency waves and absorbing material so obtained
05/20/1981EP0028937A2 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
05/19/1981US4268422 Titanium dioxide hydrate of a particular structure and process of manufacture thereof
05/12/1981US4267308 Layered zirconium bis(benzenephosphonate) inorganic polymers
05/12/1981US4267069 Using an aqueous copper salt solution
05/12/1981US4267055 Adsorption on macroporous polymer
05/12/1981US4266408 Filter block and method of making the same
05/12/1981CA1100721A1 Carbon pellets with controlled porosity
05/06/1981EP0028126A1 Material produced from cross-linked ionic chitin derivative, its preparation and use
05/06/1981EP0027998A1 Process for reabsorption and retention of phosphorus by activated biomass
05/05/1981US4266045 Etherified phenolic chelate resin, process for its production, and method for adsorption treatment
05/05/1981US4265788 Adsorbent for separating para-xylene, and process for the preparation thereof
05/05/1981US4265768 Ion exchange material prepared from partially pyrolyzed macroporous polymer particles
05/05/1981US4265720 Storage material for hydrogen
05/05/1981CA1100419A1 Organic vapor respirator cartridge end-of-service indicator system and method
04/1981
04/30/1981WO1981001094A1 Aromatized soluble coffee
04/28/1981US4264449 Antibody-specific solid phase immunoadsorbent, preparation thereof, and antibody purification therewith
04/28/1981US4264342 Thermally condensed mixture of polyacrylonitrile and ferrous acetate as carbon monoxide adsorbent
04/28/1981CA1100121A1 Manufacture of abrasion-resistant coke
04/22/1981EP0027158A2 Cationic adsorbent, process for its preparation and its use in removing anionic substances from aqueous solutions
04/21/1981US4263407 Polymeric adsorbents from macroreticular polymer beads
04/21/1981US4263363 Diaper containing oil and emulsifier
04/21/1981US4263268 Depositing polymerizable material onto porous substrate, pyrolysis, graphitization
04/21/1981US4263020 Removal of sulfur from process streams
04/21/1981CA1099693A1 Desulfurization of hot reducing gas
04/21/1981CA1099691A1 Magnesia adsorbent and method for treating waste water containing organic contaminants utilizing the same
04/14/1981US4261857 Method and apparatus for regenerating used active carbon
04/14/1981US4261709 Bromine adsorbed on carbonaceous molecular sieve
04/14/1981CA1099441A1 Polysiloxane packed gas chromatographic columns
04/01/1981EP0025919A1 A process for preferentially removing more planar molecules from mixtures with less planar molecules
04/01/1981EP0025900A1 Process for producing shaped spherical bodies based on Al2O3 and their use
04/01/1981EP0025858A1 Rechargeable storage means for binding gaseous hydrogen
03/1981
03/31/1981US4259304 Activation of coal
03/31/1981US4259213 High copper level comulled and impregnated sulfur sorbent
03/31/1981CA1098289A1 Regenerator flow distribution device
03/25/1981EP0025639A1 Process for preparing porous cellulose spherical particles
03/24/1981US4258136 Process for producing wood adsorbents for mercury ions by graft polymerization of acrolein onto xanthated wood meal followed by conversion to thiosemicarbazone
03/24/1981US4257916 Reacting an inorganic oxide with a haloalkyl oxysilane which product is reacted with an inorganic sulfite to form a sulfonate salt
03/24/1981US4257897 Aerobic sludge treatment
03/24/1981US4257807 Precious metals recovery process
03/19/1981WO1981000673A1 Blood serum-separating agent
03/18/1981EP0025337A1 Method and apparatus for applying a coating to a sheet material
03/17/1981US4256872 Intercalation compounds prepared by the metathesis reaction in liquid phase of an inorganic tetravalent metal compound and an organic phosphonate; ion exchangers
03/17/1981US4256843 A hydrolyzed porous spherical gel a homopolymer of pentaerythritol dimethacrylate or a copolymer with a methacrylate; high speed chromatography
03/17/1981US4256842 Hydrophilic separating carrier and preparation thereof
03/17/1981US4256840 Macroreticular cation exchange beads and preparation of same
03/17/1981US4256728 Deodorization method
03/17/1981US4256676 Process for preparing porous metal oxide beads
03/17/1981US4256606 Arrangement for the thermal regeneration of charged active coke or active carbon granulate
03/17/1981US4256587 Siliceous adsorbent for heavy metals
03/17/1981CA1097605A1 Water clarification
03/17/1981CA1097575A1 Process for operating an adsorption filter
03/10/1981US4255276 Silicatic complexing agent for alkaline earth ions and method of preparing same
02/1981
02/24/1981US4252779 Synthetic imogolite
02/24/1981US4252571 Decoloring, deashing
02/24/1981CA1096313A1 Method for treatment of waste water