Patents
Patents for B01J 20 - Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof (48,616)
08/1988
08/10/1988EP0277706A2 Toxic gas absorbent and process for making and using same
08/09/1988US4762787 Anti-human IGM immunoadsorbent and process for producing said immunoadsorbent
08/09/1988US4762690 Crandallites
08/09/1988US4762556 Absorption on diallylamine homo or copolymer
08/09/1988US4762537 Adsorbent for HCl comprising alumina and acid-treated Y zeolite
08/09/1988US4762536 Adsorber for cleaning gases
08/09/1988CA1240450A1 Removal of iodide compounds from non-aqueous organic media
08/03/1988EP0276954A2 Process for extruding and treating clay for improved filtration
08/03/1988CN86107903B One-step moulding process for producing calcium silicate filler used in cylinders soluble acetylene
08/02/1988US4761395 Process and composition for purifying arsine, phosphine, ammonia, and inert gases to remove Lewis acid and oxidant impurities therefrom
08/02/1988CA1239939A1 Separation of ortho-nitrotoluene
08/02/1988CA1239923A1 Silica intercalated crystalline zirconium phosphate- type materials
08/02/1988CA1239771A1 Promoted scavenger for purifying hcl-contaminated gases
08/02/1988CA1239753A1 Tampon for female hygiene, and a process and apparatus for the manufacture thereof
07/1988
07/28/1988DE3800873A1 Method for binding pollutants and absorbent for pollutants
07/28/1988DE3701346A1 Process for the disposal and use of waste kieselguhr from the beverages industry with the aid of a biological soil/plant filter system
07/27/1988EP0276138A2 Chromatographic supports for separation of oligonucleotides
07/27/1988EP0275844A2 Non evaporable getter device incorporating a ceramic support and method for the manufacture thereof
07/27/1988EP0275763A1 Process for the extraction of cations and its use in treating aqueous waste solutions
07/26/1988US4760204 Process for deodorizing isopropyl alcohol
07/25/1988EP0271575A4 Layered metal chalcogenides containing interlayer chalcogenides and their synthesis.
07/21/1988EP0295269A4 Layered metal oxides containing interlayer oxides and their synthesis.
07/21/1988EP0272306A4 Oligomerization of olefins.
07/21/1988EP0271563A4 Layered silicates and their synthesis.
07/21/1988EP0270659A4 Layered metal oxides containing interlayer oxides and their synthesis.
07/21/1988DE3604592A1 Apparatus for purifying vehicle exhaust gas and flue gas with or without filtering media, also for retaining, e.g., additives and catalyts
07/20/1988EP0274633A1 Packing for trickling filters for liquid-treatment and process for manufacturing and applying it
07/20/1988EP0274608A1 Adsorbent employing an apatite compound
07/20/1988EP0274587A1 Biotechnological process using immobilised microorganisms
07/20/1988CN86108921A Compounded inorganic adsorbent and its preparation method
07/19/1988US4758419 Magnesium-aluminum-phosphorus-silicon-oxide molecular sieve compositions
07/19/1988US4758253 Separating gas mixture into streams according to ability to be adsorbed
07/19/1988CA1239391A1 Recovery and/or purification of ceftazidime
07/14/1988DE3644665A1 Process for separating mixtures of oil and water
07/13/1988CN87105536A Iron-series deoxidant
07/13/1988CN87105119A Extracting method of magnesium-type of adsorbents
07/12/1988US4757040 Pillars are made of inorganic oxides inserted into interlayers of swelling component
07/12/1988US4756971 Surface treatment agents and polymers comprising substituted phenyl silanes and siloxanes
07/12/1988US4756939 Mat of fluid absorbent material, cover of liquid impermeable material, the sides of which contain perforations to allow passage of fluids to mat
07/12/1988US4756834 Support comprises hydroxylated organic or inorganic base support particles and coating of polyacrylamide bonded to particles
07/12/1988US4756319 Process for producing granular algal adsorbents
07/06/1988EP0273756A2 Active material useful as adsorbent comprising metal oxide/hydroxide particles reacted with one or more phosphorous-containing materials
07/06/1988EP0273566A1 Anti-human IgM immunoadsorbent and process for producing said immunoadsorbent
07/06/1988EP0273335A2 Flocculants and filter aids and their use
07/06/1988EP0273141A2 Superabsorbent fibre flocks, method for making them and their use
07/06/1988CN87104325A Technology for cirnlating use of catalyst
07/05/1988US4755499 Sorbent for removing nitrogen oxides, sulfur oxides and hydrogen sulfide from gas streams
07/05/1988US4755322 Method of obtaining composite ion exchangers
07/05/1988US4755294 Deionizing virgin silica in acid bath with agitation, drying, grafting with amine functional groups, hydrolyzing, drying, grafting with alkyl groups
07/05/1988CA1238766A1 Process for the preparation of porous mullite
06/1988
06/30/1988WO1988004663A1 Process for enriching and/or isolating cardiac glycosides using non-polar adsorber resins
06/29/1988EP0272904A2 Process for porosity control and rehydroxylation of silica bodies
06/29/1988EP0272862A2 Dealuminization of aluminosilicates
06/29/1988EP0272306A1 Oligomerization of olefins.
06/29/1988EP0167535B1 Flexible air premeable non-woven fabric filters
06/28/1988US4753985 Oligopeptides recovered from a synthesizing gel
06/28/1988US4753983 Polymeric matrix for affinity chromatography and immobilization of ligands
06/28/1988US4753917 Sorbent for oil or other liquid hydrocarbons and method of manufacturing same
06/28/1988US4753909 Aluminu, zirconium and cerium oxide bridges
06/28/1988US4753908 Water soluble macromolecular addition polymers mixed with silica, water, and smectite type minerals; firing
06/28/1988US4753730 Bands or strands formed into webs, wadding, sheets
06/28/1988CA1238626A1 Phase supports for the partition chromatography of macromolecules, a process for their preparation and their use
06/28/1988CA1238470A1 Crystalline ferroaluminophosphates
06/22/1988EP0272074A2 Water-absorbent polymer composition, method of forming it and article containing it
06/22/1988EP0271994A1 Lignosulfonate-modified calcium hydroxide for SO2 control during furnace injection
06/22/1988EP0271618A1 Mercury absorbent carbon molecular sieves
06/22/1988EP0271575A1 Layered metal chalcogenides containing interlayer chalcogenides and their synthesis.
06/22/1988EP0271563A1 Layered silicates and their synthesis.
06/22/1988EP0218089B1 Optically active (meth)-acryl amide, polymers thereof, process for their preparation and their use in the separation of racemates
06/21/1988US4752458 Adding acid and alginate starch, gelatin and/or pectin to silicates
06/21/1988US4752398 Cysteine residue fixed to insoluble carrier
06/21/1988CA1238445A1 Copolymer, process for its preparation and its use as a sorbent
06/21/1988CA1238315A1 Process for the preparation of purified vancomycin class antibiotics
06/16/1988WO1988003765A3 Anti-perspiration pad
06/16/1988DE3633027A1 Process and apparatus for the continuous preparation of mineral granules from gypsum-containing materials and use of the granules obtained
06/15/1988EP0271104A2 Controlled crystal form of aluminum hydroxide
06/15/1988EP0270659A1 Layered metal oxides containing interlayer oxides and their synthesis.
06/15/1988EP0270599A1 Neutralization and clean-up of hazardous organic spills
06/14/1988US4751211 Composite adsorbent for removing acids from organophosphate functional fluids
06/09/1988DE3641893A1 Fibre-containing polymer product of high absorbency, production thereof and use thereof
06/09/1988DE3640953A1 Chemisorption filter compositions for separating off occupied space odours, preferably tobacco smoke
06/09/1988DE3640856A1 Zeolite granules having a high cyclic ageing stability
06/08/1988EP0270314A2 Reactive organo-clay compounds and derivatives thereof
06/08/1988EP0270095A2 Packing material for liquid chromatography
06/08/1988EP0269858A2 Process and device for the extreme purification of waste gases
06/08/1988EP0269769A1 Filtration with biogenetic silica
06/07/1988US4749496 Filtration through open cell foam containing active powdered materials
06/07/1988US4749492 Dilution and settling slurry; flocculation
06/07/1988US4749392 Elastic with air layer, mositure permeable and water impervious film and absorbent sealed between
06/07/1988US4748977 Mineral fiber-based absorbent material
06/02/1988WO1988003765A2 Anti-perspiration pad
06/01/1988EP0269462A2 Adsorptive sheet
06/01/1988EP0269447A2 Structures surface modified with bidentate silanes
06/01/1988EP0269173A2 Metal-oxide-silica adsorbent and process for refining oil using the same
06/01/1988EP0269080A1 Substrates with sterically-protected, stable, covalently-bonded organo-silane films
06/01/1988EP0268946A2 Method for separating long-chain nucleic acids
06/01/1988DE3737272A1 Gas admixture device employing heating
06/01/1988DE3640374A1 Schweiss - einlagen Welding - deposits
06/01/1988CN86101990B Process for preparing layered column type of clayey molecular sieve
05/1988
05/31/1988US4748082 Silicates and fibers, heat exchangers