Patents
Patents for B01J 20 - Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof (48,616)
08/1994
08/25/1994DE4403367A1 Adsorbent for nitrogen oxides and process for removing nitrogen oxides by use thereof
08/24/1994EP0611592A2 Membranes for use in affinity separation and methods for activating membranes
08/24/1994EP0611450A1 Analyte detection device including hydrophobic means for improved fluid flow
08/24/1994CN1091154A Method for producing clarifying agent of low degree white spirit with hot-liquid type sepiolite
08/23/1994US5340853 Polymer-based swelling and absorbing agents with an improved degradability and an improved absorption for water, aqueous solutions and body liquids and the use of said agents for the production of hygienic articles and for soil conditioning
08/23/1994US5340562 Mixing manganous and permangnate salt and bases. aging, filtration, washing, ion exchangign with magnesium salt forming todorokite
08/23/1994US5340552 Macroreticulate polymer containing heteroaromatic moiety reacted with alkali metal compound
08/23/1994US5340474 Panels of analyte-binding ligands
08/23/1994CA1331605C Process for the preparation of finely divided porous cellulose particles
08/23/1994CA1331598C High stability porous zirconium oxide spherules
08/23/1994CA1331597C Composite adsorbent
08/18/1994WO1994017909A1 Polymer absorbent for use in purifying aqueous media contaminated by oil or oil products and a process for purifying such media
08/18/1994WO1994017907A1 Improved respirator carbon for protection against acid gases and formaldehyde
08/18/1994WO1994017903A2 Membranes for use in affinity separation and methods for activating membranes
08/18/1994WO1994017900A1 Exhaust gas dry cleaning agent
08/18/1994WO1994000231A1 Absorbent for culture medium, a container comprising same, and a method for detoxifying a culture medium
08/18/1994CA2155440A1 Exhaust gas dry cleaning agent
08/17/1994EP0611249A1 Process and device for filter-aid cleaning
08/17/1994EP0611183A1 Process for eliminating mercury in hydrocarbons by passing on presulphurised catalyst
08/17/1994EP0611182A1 Process for eliminating mercury from hydrocarbons by passing on presulphurized adsorbers
08/17/1994EP0611071A1 Process for regenerating and optionally carbonizing spent acid-activated smectite clays
08/17/1994EP0610781A1 Carbon dioxide absorber and its manufacturing method using concrete sludge
08/17/1994EP0597965A4 Demetallation of hydrocarbon feedstocks with a synthetic mesoporous crystalline material.
08/17/1994EP0592619A4 Glassy carbon in separation processes
08/17/1994EP0505398B1 Process for obtaining nitrogen from air by pressure swing adsorption on carbon molecular sieves
08/17/1994EP0436684B1 Anion exchanger
08/17/1994CN1090794A Process of removing ions from solutions using a complex with sulfur-containing hydrocarbons (as amended)
08/16/1994US5338529 Chromatography detection, separation of fullerenes
08/16/1994US5338462 Active carbon materials, process for the preparation thereof and the use thereof
08/16/1994US5338458 Method for removing chloramine with catalytic carbon
08/16/1994US5338454 Chiral mobile phase additives for improved liquid-chromatography separations
08/16/1994US5338444 Contacting with solid polymeric substrate containing thiol groups bound to substrate through aliphatic groups
08/16/1994US5338340 Filter and method of making same
08/13/1994CA2113409A1 Process for regenerating, and optionally carbonizing, spent acid-activated smectite clays
08/10/1994EP0610013A1 Method for surface treatment of absorbent resin
08/10/1994EP0609373A1 Column with microporous polymer media.
08/10/1994EP0609270A1 Process for preparing uniform mfi-type zeolite crystals.
08/09/1994US5336835 Activated carbon impregnated absorbents
08/09/1994US5336742 Polymeric supports
08/09/1994US5336329 Process for toxic agent removal
08/09/1994US5335426 Method and apparatus for thermal regeneration of molecular sieve material used in oxygen concentrators
08/09/1994CA1331337C Process for porosity control and rehydroxylation of silica bodies
08/04/1994WO1994017403A1 Non-denaturing potency assay for bovine somatotropin
08/04/1994WO1994016998A1 Method for removing chloramine with catalytic carbon
08/04/1994WO1994016811A1 Activated carbons molecularly engineered
08/04/1994WO1994016806A1 METHOD FOR NOx REMOVAL BY CATALYTIC CARBON
08/04/1994WO1994016801A1 Filter dryer body
08/04/1994WO1994016799A1 METHOD FOR SOx REMOVAL BY CATALYTIC CARBON
08/04/1994WO1994016795A1 Langmuir moderate type 1 desiccant for air
08/04/1994CA2154794A1 Non-denaturing potency assay for bovine somatotropin
08/04/1994CA2154757A1 Activated carbons molecularly engineered
08/04/1994CA2131996A1 Method for nox removal by catalytic carbon
08/03/1994EP0608988A1 Process of acid binding fine smectite clay particles into granules
08/03/1994EP0608884A1 Method of making sorbent articles
08/03/1994EP0608883A1 Sorbent articles
08/03/1994EP0608703A1 Separation material for chromatography
08/03/1994EP0608547A1 Process for regenerating mercury adsorbants
08/03/1994EP0608539A1 Carbon-coated inorganic substrates
08/03/1994CN1090221A Preparation of effective Mo-family deoxidiser
08/03/1994CA2088607A1 100% polyester reinforced material for the manufacture of a laminated film to form an applicator for holding a pest control agent process for the manufacture of a laminated film reinforced laminated film and applicator containing a fumigation agent
08/02/1994US5334741 Contacting surface of substrate with phosphoramidate solution, heating to thermolyse and generate metaphosphate which phosphorylates substrate
08/02/1994US5334623 Absorbent material and uses thereof
08/02/1994US5334564 Mixing water, smectite clay, basic alkaline earth compound, metal oxide oxidation catalyst, heating
08/02/1994US5334368 Synthesis of mesoporous oxide
08/02/1994US5334316 Process of using polytetraalkylammonium and polytrialkylamine-containing ligands bonded to inorganic supports for removing and concentrating desired ions from solutions
08/02/1994US5334311 Resolution of optical isomers
08/02/1994US5334310 Column with macroporous polymer media
08/02/1994US5334176 Absorbent core for use in catamenial products
08/02/1994CA1331254C Ion-exchange composition employing resin attachment to dispersant and method for forming the same
08/02/1994CA1331226C Cation extraction process and application thereof to aqueous effluent treatment
07/1994
07/28/1994DE4325806A1 Floating barrier which adsorbs oil e.g. on surface of water
07/27/1994EP0607998A2 Chromatographic adsorbent particles, methods of their preparation, and their use as a solid phase matrix in a fluid bed reactor
07/27/1994EP0607327A1 Covalently reactive particles incorporated in a continuous porous matrix
07/27/1994EP0607185A1 Particle-loaded nonwoven fibrous article for separations and purifications
07/27/1994EP0551297B1 Process for the production of charcoal molecular sieves
07/27/1994EP0412079B1 Filtering medium for technical filters
07/27/1994CN1089884A Colour changeable dewatering agent and preparation method thereof
07/26/1994US5332590 Low temperature
07/26/1994US5332551 Atomic oxygen reactor having at least one sidearm conduit
07/26/1994US5332493 Method for improving rheological properties of kaolin clays
07/26/1994US5332426 Agglomerated activated carbon air filter
07/26/1994CA1330936C Hydrophilic polymers for incorporating deodorants into absorbent structures
07/21/1994WO1994015970A1 Trapping of aflatoxins and phytoestrogens
07/21/1994WO1994015710A1 A packed bed and process for removal of residual mercury from gaseous hydrocarbons
07/21/1994WO1994015709A1 Desiccant-coated substrate and method of manufacture
07/21/1994DE4301394A1 Removal of heavy metals from aq. media
07/21/1994CA2153256A1 A packed bed and process for removal of residual mercury from gaseous hydrocarbons
07/20/1994EP0606848A1 Magnesium A-zeolite for nitrogen adsorption
07/20/1994EP0606638A1 SiO2 aerogels containing carbon particles and process for their preparation
07/20/1994EP0606616A1 Hydrophobic absorbents and their use for lipoproteins adsorption
07/20/1994EP0606333A1 Desulphurisation treatment.
07/20/1994CN1089464A Sorbent hydrogel fines in absorbent structures
07/19/1994US5331079 Polyurethane
07/19/1994US5331037 Extruded solid composite articles and compositions for producing same
07/19/1994US5330946 Process of acid binding fine smectite clay particles into granules
07/19/1994US5330943 Process for improving the physical and catalytic properties of a fluid cracking catalyst
07/19/1994US5330734 Silica pillared micas
07/13/1994EP0605468A1 Novel separations material
07/13/1994CN1089187A Ozone filtering sheet for duplicator and its preparing method
07/12/1994US5328894 Food-preserving agent