Patents
Sitemap › B01 - Physical or chemical processes or apparatus in general › B01J - Chemical or physical processes, e.g. catalysis, colloid chemistry; Their relevant apparatus › B01J 20 - Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
Patents for B01J 20 - Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof (48,616)
12/1991
12/24/1991US5074892 Using lithium exchanged type x zeolite
12/24/1991CA1293592C Spherical grains of polyamino acid and production method thereof
12/23/1991WO1992000261A1 Process for adsorbing sulfur species from propylene/propane using regenerable adsorbent
12/20/1991CA2019461A1 Method and device for purifying water
12/19/1991DE4019052A1 Removal of concn. of heavy metal ions from aq. soln. - by contacting with opt. neutralised copolymer of ethylene, (meth)acrylic acid and (meth)acrylate ester
12/19/1991DE4019050A1 Removal of concn. of heavy metal ions from aq. soln.
12/19/1991DE4018778A1 Adsorptionsmaterial zur selektiven entfernung von ldl- oder/und vldl Adsorbent material for selectively removing LDL and / or VLDL
12/19/1991CA2044717A1 Process for the separation of proteins, polypeptides or metals
12/18/1991EP0461517A1 Process for removing or enriching heavy metals from an aqueous solution
12/18/1991EP0461478A1 Improved air separation pressure swing adsorption process
12/18/1991EP0442977A4 Perfusive chromatography
12/17/1991US5073385 Aluminum oxyhydroxide sulfate
12/17/1991US5073357 Process for producing hydroxylapatites
12/14/1991WO1991019746A1 Fractionated agaroid compositions, their preparation, and use
12/14/1991CA2083496A1 Fractionated agaroid compositions, their preparation, and use
12/13/1991CA2036928A1 Sorption of trialkyl arsines
12/12/1991DE4018391A1 Prodn. of active coke from untreated coal - by low temp. carbonisation on contact with heated solid heat carrier in rotary drum
12/11/1991EP0460512A1 Membrane formed of crystalline molecular sieve material
12/11/1991EP0460499A2 Method for the filtration of beverages and of chemical, pharmaceutical and similar liquids
12/11/1991EP0460244A1 Apparatus and process for desorbing active carbon
12/11/1991EP0460026A1 High performance affinity chromatography column comprising non-porous, monodisperse polymeric packing material
12/11/1991CN1056827A Polyoxometatate intercalated layered double hydroxides
12/10/1991US5071819 Sulfur and nitrogen-containing hydrocarbons and process of using same in recovering and concentrating desired ions from solutions thereof
12/10/1991US5071804 Aluminum enriched chabazite
12/10/1991US5071801 High density leucite based ceramics from zeolite
12/10/1991US5071610 Method of making a controlled pore composite polytetrafluoroethylene
12/10/1991US5071565 Removing organic solutes from aqueous solutions using hydrophilic divinylbenzene-styrene resins
12/10/1991US5071450 Pyrolysis of a carbon-containing organic compound to deposit carbon to narrow pare size; selective adsorption
12/10/1991CA1293083C Packing material and process for its production
12/09/1991WO1991018835A1 Ethylene sorbing substances
12/09/1991WO1991018667A1 PROCESS USING SORBENTS FOR THE REMOVAL OF SOx FROM FLUE GAS AND OTHER GAS STREAMS
12/09/1991CA2082639A1 Ethylene sorbing substances
12/09/1991CA2064715A1 Process using sorbents for the removal of sox from flue gas and other gas streams
12/04/1991EP0459163A2 Filter candle
12/04/1991EP0458839A1 Method for producing a cellular body.
12/04/1991EP0438402A4 Paralog affinity chromatography
12/04/1991CN1014975B Layered oxides containing interlayer polymeric oxides and their syntesis
12/03/1991US5069829 Dehydration
12/03/1991US5069690 Nitrogen trifluoride from carbon tetrafluoride; hydrothermally treated zeolite
12/03/1991US5069676 Sanitary article
12/03/1991US5069038 Heating gas, heat exchanging
12/03/1991CA1292732C Separation agent for optical isomers
12/03/1991CA1292703C Filtration with biogenetic silica
12/03/1991CA1292613C Water absorption controlled dehydrating device
11/1991
11/28/1991WO1991017955A1 Zeolites
11/28/1991WO1991017830A1 Adsorbent medium
11/28/1991DE4016328A1 Polymer composites for sepn. and carrier materials e.g. in dialysis - contains high polymer component consisting of more than 50 per cent cellulose, and sulphonate and/or sulphate contg. polymers
11/28/1991CA2078558A1 Zeolites
11/27/1991EP0458548A1 Carbon beads, process of producing the same and chromatography column containing the same
11/27/1991EP0457828A1 Animal litter
11/27/1991EP0448647A4 Heat resistant microporous material production and products
11/27/1991CN1014912B Obsorbable material with inorganic fibre base
11/27/1991CN1014868B Supporting method for immobilization of microorganism
11/27/1991CA2042705A1 Filter candle
11/26/1991WO1991018670A1 Polyoxometalate intercalated layered double hydroxides
11/26/1991US5068321 Reaction of polysaccharide with carbonic acid esters in the presence of a base
11/21/1991EP0457457A2 Oxygen absorbent
11/21/1991EP0429548A4 Small sized alpha alumina particles and platelets
11/21/1991DE4015555A1 Synthetic active carbon e.g. for water purificn. - prepd. by introducing fine pored carbon into coarse pores of inert matrix material
11/20/1991CN1056265A Process for preparing carbon adsorbent
11/19/1991US5066793 For Use In Chromatographic Separations
11/19/1991US5066784 Porous vinyl polymeric matrix filled with a physically- or chemically-bound reactive gel; high loadings; solid phase synthesis; chromatography; ion exchanging
11/19/1991US5066527 Sorptive article
11/19/1991US5066405 Antistatic polyurethane foam impregnated with hydrophobic, amorphous silicate
11/19/1991US5066395 N-acylated derivatives of polyethyleneimine bonded phase silica products
11/14/1991WO1991016971A1 Gas adsorbent element
11/14/1991WO1991011390A3 Synthetic porous crystalline material its synthesis and use
11/14/1991DE4114924A1 Alumina support prodn. with active component by sol-gel method - and use esp. for regenerative absorption of sulphur di:oxide, oxygen or hydrogen sulphide
11/12/1991US5064944 Gas Chromatography
11/12/1991US5064879 Method for sorbing metallic ions using ethylene-n,n-dialkyl aminoalkyl acrylates polymers
11/12/1991US5064630 Zeolite l preparation
11/12/1991US5064629 Titanium-boron-oxide, synthetic materials based thereon and method of preparing the same
11/12/1991US5064626 Comprising iron polysulfide and inorganic support materials for removal from fluid feeds
11/12/1991US5064540 Method for using water-treating sponges
11/12/1991CA1291981C Scavengers for the removal of impurities from arsine and phosphine
11/06/1991EP0455621A1 Process for enhancing the sorption of an alumino-silicate containing shale material
11/06/1991EP0455269A1 Packing for use in resolution
11/06/1991EP0455173A1 Reduced pressure sublimation of amine compounds on activated carbons
11/06/1991EP0455152A1 Process for the purification of exhaust gases
11/06/1991EP0455143A1 Process for producing fuel absorbent
11/06/1991EP0454910A1 Cyclodextrin-coated solid substrate
11/06/1991EP0454761A1 Organic modified silicic acid heteropolycondensates
11/06/1991CN1014587B Selective adsorption of c02 on zeolites
11/05/1991US5063196 Chromium-free impregnated activated carbon for adsorption of toxic gases and/or vapors
11/05/1991US5063186 Highly aromatic polyurea/urethane membranes and their use of the separation of aromatics from non-aromatics
11/05/1991US5062959 Adsorption by resin
11/05/1991US5062954 Cellulose absorbent product and method of manufacture
11/05/1991US5062838 Absorbent disposeable article
11/01/1991CA2015810A1 Reduced pressure sublimation of amine compounds on activated carbons
10/1991
10/31/1991WO1991016464A1 Treatment of particulate materials with reticulated cellulose
10/31/1991DE4113597A1 Purification of waste gas contg. prods. of incomplete combustion - by adsorption on zeolite
10/31/1991DE4013340A1 Breaking down polyhalogenated hydrocarbon cpds. - contg. adsorbed mercury, by heating in absence of oxygen to desorb mercury and breakdown halo-cpds.
10/30/1991EP0454531A1 Process and apparatus for the preparation of ultra-pure nitrogen
10/30/1991EP0453669A1 Process and adsorbent for separating CO2 from a mixture thereof with a hydrocarbon
10/30/1991EP0453473A1 Support for selective immuno-purification of a liquid and process for treating said support.
10/29/1991US5061773 For selective metal removal
10/29/1991CA2041287A1 Process for producing fuel absorbent
10/29/1991CA1291593C Sulfonic derivatives of acylated polyethylenimine bonded phase silicaproducts
10/29/1991CA1291435C Process for upgrading tar sand bitumen
10/24/1991DE4110646A1 Adsorbent for alcoholic fuel vapours - contg. zeolite of silicon-aluminium mol ratio of not less than 10, and opt. binder
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