Patents for B01D 71 - Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor (23,060) |
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09/24/1997 | EP0796647A1 Hydrogen separation member |
09/24/1997 | CN1035927C Method and apparatus for making hollow fibre membranes and made porous polymer membrane material |
09/23/1997 | US5670052 Crosslinked membrane |
09/23/1997 | US5669958 Methane/nitrogen separation process |
09/18/1997 | WO1997033684A1 Procedure for preparing molecular sieve films |
09/18/1997 | WO1997033683A1 Endotoxin-specific membranes |
09/18/1997 | WO1997033681A1 Asymmetric supported membrane for direct osmotic concentration |
09/18/1997 | DE19609479A1 Endotoxin-spezifische Membranen Endotoxin-specific membranes |
09/18/1997 | CA2249548A1 Endotoxin-specific membranes |
09/18/1997 | CA2249360A1 Procedure for preparing molecular sieve films |
09/18/1997 | CA2248256A1 Asymmetric supported membrane for direct osmotic concentration |
09/17/1997 | EP0795052A1 Method of producing shaped cellulose bodies, and yarn made of cellulose filaments |
09/16/1997 | CA2071275C Storage vessel |
09/12/1997 | WO1997033044A1 Cellulosic web with a contaminant barrier or trap |
09/12/1997 | WO1997032815A1 Mesoporous material |
09/12/1997 | WO1997032653A1 Selective membrane/sorption techniques for salvaging blood |
09/12/1997 | CA2248060A1 Mesoporous material |
09/12/1997 | CA2247031A1 Selective membrane/sorption techniques for salvaging blood |
09/10/1997 | EP0793998A2 Process for stabilising the properties of cellulosic membranes |
09/10/1997 | EP0793528A1 Liquid separation by zeolite membranes |
09/09/1997 | US5665234 Micro-filter disc and a method for its production |
09/04/1997 | WO1997032171A1 Membrane-augmented cryogenic methane/nitrogen separation |
09/04/1997 | WO1997031701A1 Methane/nitrogen separation process |
09/03/1997 | CN1158273A Polysulfone hollow fiber semipermeable membrane |
09/02/1997 | US5663488 Thermal isolation system in an analytical instrument |
09/02/1997 | US5662843 Method for the production of polyolefin hollow fiber filter bundles |
08/28/1997 | WO1997030809A1 Method for forming dendritic metal particles |
08/27/1997 | EP0791383A1 An assembly for deaeration of liquids |
08/27/1997 | CN1157752A Reactive purge for solid electrolyte membrane gas separation |
08/26/1997 | US5660728 Accurate material handling |
08/26/1997 | US5660680 Method for fabrication of high vertical aspect ratio thin film structures |
08/21/1997 | WO1997030110A1 Model skin membrane |
08/21/1997 | WO1997029839A1 Method for making a filtration membrane deposited on a porous ceramic carrier |
08/20/1997 | CN1157639A Mesoscale polynucleotide amplification device |
08/20/1997 | CN1157185A Solvent-resisting hollow fibre ultrafiltration membrane module |
08/19/1997 | US5658669 Vinyl ester, vinyl alcohol, fluoropolymer layers; gas separation |
08/14/1997 | WO1997028891A1 Self supporting hollow fiber membrane and method of construction |
08/14/1997 | WO1997028884A2 Compounds for the sorption of gases |
08/14/1997 | CA2245591A1 Self supporting hollow fiber membrane and method of construction |
08/13/1997 | EP0789000A1 Process for treating polluted alkaline aqueous cleaning solutions |
08/12/1997 | US5656168 Method of fabricating inorganic filter structures |
08/07/1997 | WO1997027935A1 Method of treating polyamide membranes to increase flux |
08/07/1997 | WO1997027934A1 Composite membrane with a support membrane made, in particular of microporous material |
08/06/1997 | EP0787523A1 Apparatus and process for material-specific treatment of fluids |
08/06/1997 | EP0787369A1 Proton conducting polymers |
08/05/1997 | US5655212 Porous ceramic filters; catalytic exhaust system; roughness |
08/05/1997 | US5653882 Asymmetric membranes of polytetrafluoroethylene and process for making them |
07/31/1997 | WO1997027159A1 Separation process in which a membrane is used |
07/30/1997 | EP0633053B1 Process for preparing a porous polytetrafluoroethylene film |
07/29/1997 | US5652050 Microporous membranes for separating, analyzing biological fluids |
07/29/1997 | US5652020 Forming palladium layer on inside surface of porous ceramic tube, promotes decomposition of ammonia |
07/29/1997 | US5651900 Microfabricated particle filter |
07/24/1997 | WO1997026225A1 Hollow microfiber of ceramic material, a process for its manufacture and its use |
07/24/1997 | WO1997026134A1 Highly porous polyvinylidene difluoride membranes |
07/24/1997 | DE19701751A1 Hollow ceramic micro-fibre with low wall thickness and diameter |
07/24/1997 | DE19546838C1 Composite hollow fibre membrane for osmo-metric molecular weight determination |
07/24/1997 | CA2243520A1 Hollow microfiber of ceramic material, a process for its manufacture and its use |
07/23/1997 | EP0784793A1 Method of producing bilayer lipid membranes |
07/23/1997 | EP0784503A2 A filter, apparatus including the filter and a method of use of the apparatus |
07/23/1997 | EP0637996B1 Microfabricated detection structures |
07/23/1997 | EP0632744B1 Membrane for separating off small molecules and method for the production thereof |
07/23/1997 | CN1154870A Improved method for mfg. of acetate fiber pellicle and medical product thereof |
07/22/1997 | US5650479 Interfacially polymerized polyester films |
07/22/1997 | US5650451 Lamination, filters, packaging |
07/22/1997 | US5649996 Method for the separation of gases at low temperatures |
07/22/1997 | CA2106482C Fiber spinning process and product thereof |
07/17/1997 | WO1997025369A1 α,β,β-TRIFLUOROSTYRENE-BASED AND SUBSTITUTED α,β,β-TRIFLUOROSTYRENE-BASED COMPOSITE MEMBRANES |
07/17/1997 | WO1997025272A1 Molecular sieves and process for their manufacture |
07/17/1997 | WO1997025129A1 Molecular sieves and processes for their manufacture |
07/17/1997 | WO1997025127A1 Method of filtering the organic solutions arising in the production of circuit boards |
07/17/1997 | DE19600967A1 Verfahren zum Auftrennen von aus der Leiterplattenherstellung stammenden organischen Prozeßlösungen Method for separating derived from the organic circuit board manufacture process solutions |
07/17/1997 | CA2242162A1 Method of filtering the organic solutions arising in the production of circuit boards |
07/16/1997 | EP0783919A1 Composite hydrogen separation element and module |
07/16/1997 | CN1154264A Chlorination-amination for surface modification of substd. polyacetylene gas separation film |
07/15/1997 | US5648304 Oxygen permeable mixed conductor membranes |
07/15/1997 | US5647894 Gas separating composite membrane and process for producing the same |
07/15/1997 | US5647227 Membrane-augmented cryogenic methane/nitrogen separation |
07/15/1997 | CA2105735C Composite mixed conductor membranes for producing oxygen |
07/11/1997 | CA2193776A1 Composite hydrogen separation element and module |
07/10/1997 | WO1997024777A1 Blend membranes based on sulfonated poly(phenylene oxide) for enhanced polymer electrochemical cells |
07/10/1997 | CA2241552A1 Blend membranes based on sulfonated poly(phenylene oxide) for enhanced polymer electrochemical cells |
07/09/1997 | EP0782720A1 Process and apparatus for rejuvenating developer in printing plate development |
07/09/1997 | EP0782473A1 Improved membrane |
07/09/1997 | EP0782440A1 Injection-molded dosage form |
07/09/1997 | EP0539541B1 Biodegradable polymeric compositions based on starch and thermoplastic polymers |
07/09/1997 | CN1154127A A barrier material comprising a thermoplastic and a compatible cyclodextrin derivative |
07/08/1997 | US5646205 Ion complex membrane and a method for producing same |
07/08/1997 | US5645891 Ceramic porous material and method of making same |
07/08/1997 | US5645778 Process of making a cellulose acetate semipermeable membrane |
07/08/1997 | US5645727 On-line ozonation in ultra pure water membrane filtration |
07/08/1997 | US5645684 Microelectromechanical systems, electronic circuits and mechanical devices integrated on the same chip |
07/08/1997 | US5645626 Multicomponent composite metal membranes |
07/02/1997 | EP0781795A2 Application of sulfone, ketone and ester containing polyalkyl ethers to medical materials |
07/02/1997 | EP0781601A2 Removal of oil from compressed gas with macroporous polymeric adsorbent |
07/02/1997 | EP0781593A2 Process for producing polyetheramide solutions, steam sterilizable membrane preparable by using the polyetheramide solutions, and process for preparing these membranes |
07/02/1997 | CN1153186A Microporous film of high molecular weight polyolefin and process for producing same |
07/02/1997 | CN1153152A Silicon nitride porous body and manufacturing method therefor |
07/01/1997 | US5643968 Polysulfone backbone grafted to anionic addition polymers |
07/01/1997 | US5643452 High-flux hollow-fiber membrane with enhanced transport capability and process for making same |
06/30/1997 | CA2192514A1 Removal of oil from compressed gas with macroporous polymeric adsorbent |