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