Patents
Patents for B01D 71 - Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor (23,060)
06/1996
06/20/1996WO1996018445A1 Process and plant for separating heavy and light compounds by extraction with a supercritical fluid and by nanofiltration
06/20/1996CA2207417A1 Gel composition containing carbonaceous compound
06/20/1996CA2206990A1 Process for producing cellulosic moldings
06/20/1996CA2162084A1 Composite hydrogen separation element and module
06/19/1996CN1032043C Polysulfone-based hollow fiber membrane and process for manufacturing the same
06/19/1996CN1032042C Interfacially synthesizd reverse osmosis membranes and process for preparing same
06/18/1996US5527569 Conductive filter laminate
06/13/1996WO1996017676A1 Process for preparing polyether ether ketone membrane
06/12/1996EP0715880A1 Gas separator and method for producing the same
06/12/1996EP0715641A1 Strongly alkaline anion exchange membranes and process for producing the same
06/12/1996EP0715540A1 Membranes prepared from crosslinkable soluble polymers
06/12/1996EP0555329B1 Articles having a hydrophilic polymeric shell and method for preparing same
06/12/1996CN1124466A Molecular sieve layers and processes for their manufacture
06/12/1996CN1124175A Hydrophilic osmotic evaporating and separating membrane and its preparing method
06/11/1996US5525694 Polyethylene film insolvent, cooling, removing solvent, applying patterns of recessed lines, biaxial stretching
06/11/1996US5525436 Proton conducting polymers used as membranes
06/11/1996US5525236 Composite microporous ultrafiltration membrane comprising hydrophobic polymer and water-insoluble polymer of alkyl-phenoxy polyalkylene glycol acrylate
06/11/1996CA2006021C Process for separating organometallic compounds and/or metal carbonyls from their solutions in organic media
06/06/1996WO1996017118A1 Method of producing shaped cellulose bodies, and yarn made of cellulose filaments
06/06/1996WO1996016725A1 Liquid separation by zeolite membranes
06/06/1996CA2205466A1 Process for manufacturing cellulose formed objects and a yarn of cellulose filaments
06/06/1996CA2203419A1 Liquid separation by zeolite membranes
06/05/1996EP0485393B1 Membrane for extracting unsaturated hydrocarbons and process for obtaining it
06/05/1996DE4442763A1 Sepn. layers for membranes for concn. of oxygen from air
06/05/1996DE19511361C1 Modified PEEK membranes for e.g. ultrafiltration or micro-filtration
06/04/1996US5523419 Process for separating trioxane from an aqueous mixture
06/04/1996US5523003 Method of introducing hydrogen into aqueous liquids without forming bubbles
06/04/1996US5522991 Microporous base resistant substrate
05/1996
05/30/1996WO1996015847A1 Method for surface-modifying a polymeric membrane, and resulting membrane
05/29/1996EP0713840A1 Process for preparing metal halides by the sol-gel method
05/29/1996CN1123193A Hydrogen recovery by adsorbent membranes
05/28/1996US5520809 Separation membranes
05/23/1996WO1996015269A2 Mesoscale polynucleotide amplification devices
05/23/1996WO1996014934A1 Mesoscale sample preparation device and systems for determination and processing of analytes
05/23/1996WO1996014933A1 Mesoscale devices for analysis of motile cells
05/23/1996WO1996014922A1 Hydrophilic film and process for producing the same
05/23/1996WO1996014890A1 Hollow-filament plasma-filtering membrane and plasma-filtering module
05/22/1996EP0712946A2 Porous ceramic film and process for producing the same
05/22/1996EP0646043B1 Hydrophilic membranes
05/22/1996EP0630281B1 Pleated poly(tetra-fluoro ethylene) filter medium and support
05/22/1996EP0567547B1 A smoke filter
05/22/1996CN1122726A Process for the separation of catalyst-free working solution from the hydrogenation circuit of the anthraquinone process for the manufacture of hydrogen peroxide
05/21/1996US5518624 Filtration of water through sintered monolithic metal oxide membrane on ceramic support using alumina and zirconia
05/21/1996US5518530 Connected body comprising a gas separator and a metal, and apparatus for separating hydrogen gas from a mixed gas
05/21/1996CA1338335C Interfacially synthesized reverse osmosis membrane containing an amine salt and processes for preparing the same
05/15/1996EP0711202A1 Reactive membrane for filtration and purification of gases of impurities and method utilizing the same
05/15/1996CN1031785C Producing method for polysulphone-titanium microporous complex ultrafiltering membrane
05/14/1996US5516561 Applying a fluoropolymer film to a body
05/09/1996WO1996013872A1 Proton conducting polymers
05/09/1996WO1996013248A1 Injection-molded dosage form
05/09/1996DE4439841A1 Thin film with fine, even microstructure for ultrafiltration or catalytic membranes
05/09/1996DE4435180C1 Simple prepn. of very uniform, partly substd., soluble cellulose sulphate
05/08/1996EP0710698A2 A method for preparing porous polymer structures
05/07/1996US5514461 Asymmetrical structure, excellent mechanical strength, narrow range of pore diameter distribution
05/07/1996US5514413 Process for producing composite membranes
05/02/1996WO1996012554A1 Tenside-containing diaphragms for pervaporation
05/02/1996DE4437869A1 Tensidhaltige Membranen für die Pervaporation Surfactant membranes for pervaporation
05/01/1996EP0642381B1 Filtration fabric laminates
04/1996
04/30/1996US5512632 Thermoplastic blends containing polyesters and polyester carbonates based on substituted cycloalkylidene bisphenols
04/25/1996DE19517754C1 Biocompatible porous hollow polyolefin fibres used as exchange materials and semipermeable membranes
04/25/1996DE19517727C1 Biocompatible polyolefin materials
04/24/1996EP0708061A1 Porous glass film with superfine pores, method of producing the same, and high-selectivity gas separation film
04/24/1996EP0546056B1 Membranes having selective permeability
04/24/1996CN1031623C Oxygen-separating porous membranes
04/24/1996CN1031622C Method of removing unnecessary material from liquid and producing biological products
04/23/1996US5510527 Acid chloride
04/23/1996US5510421 Crosslinking
04/23/1996US5510195 Resin membrane having metallic layer and method of producing the same
04/23/1996US5510176 Polytetrafluoroethylene porous film
04/17/1996EP0707033A1 Composite porous polytetrafluoroethylene membrane
04/17/1996EP0706819A2 Method of preparing membranes from blends of polymers
04/17/1996EP0706419A1 Interfacial polymerization in a porous substrate and substrates functionalized with photochemical groups
04/17/1996EP0706418A1 Biphasic material
04/17/1996EP0532687B1 Semipermeable composite membrane
04/16/1996US5507993 Microporous film and process for the production thereof
04/16/1996US5507949 Supported liquid membrane and separation process employing same
04/16/1996US5507860 Composite porous carbonaceous membranes
04/16/1996US5507856 Use of sweep gas comprising some of same hydrocarbons in hydrogen-hydrocarbon mixture on permeate side of membrane enhances hydrocarbon permeability
04/16/1996US5507847 ULPA filter
04/11/1996WO1996010453A2 A filter, apparatus including the filter and a method of use of the apparatus
04/11/1996CA2201362A1 A filter, apparatus including the filter and a method of use of the apparatus
04/10/1996EP0705790A1 Oxygen permeable mixed conductor membranes
04/10/1996EP0705222A1 Porous amorphous silica-alumina refractory oxides, their preparation and use as separation membranes
04/10/1996CN1120318A Microfilter plate and process for making it
04/09/1996US5505969 A permselective packaging food film; odor, fume absorber materials
04/09/1996US5505890 Process for manufacturing cellulose acetate membranes
04/09/1996US5505859 Hollow fiber for dialysis and process of manufacturing
04/09/1996US5505858 Polyolefin filter element and method for the production thereof
04/09/1996US5505851 Semipermeable membranes of homogeneously miscible polymer alloys
04/09/1996CA1338233C Hydrophobic membranes
04/04/1996WO1996010178A1 Method of producing bilayer lipid membranes
04/04/1996WO1996009879A1 A composite structure and a method for forming same
04/03/1996EP0703820A1 Microporous oxidic membrane with an interior metallic support fabric
04/03/1996EP0703819A1 Method of making composite gas separation membranes
04/03/1996CN1119553A Preparation of chitosan charged microporous filtering film by dip-coating method
04/02/1996US5503873 Carbonization to block pores of inorganic substrate, forming oxides of silicon, boron, titanium, aluminum or their mixtures within the pores; oxidation to remove carbon
04/02/1996US5503791 Microporous film of polyethylene and process for the production thereof
04/02/1996US5503746 Thin, self-interlocking, tactic polyvinyl alcohol, retaining geometric configuration
03/1996
03/28/1996WO1996009110A1 Improved membrane
03/28/1996WO1996009106A1 Solid-state oxygen ion conductors and oxygen separation device