Patents
Patents for B01D 69 - Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor (16,729)
04/1996
04/24/1996CN1031622C Method of removing unnecessary material from liquid and producing biological products
04/23/1996US5510527 Acid chloride
04/23/1996US5510195 Resin membrane having metallic layer and method of producing the same
04/18/1996WO1996010966A1 Porous microfabricated polymer membrane structures
04/18/1996CA2177045A1 Porous microfabricated polymer membrane structures
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
04/16/1996US5507949 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
04/11/1996WO1996010454A1 Polyhydroxybutyrate and polyphosphate membranes with channels
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
04/04/1996WO1996009879A1 A composite structure and a method for forming same
04/04/1996CA2177469A1 A composite structure and a method for forming same
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
04/02/1996US5503746 Thin, self-interlocking, tactic polyvinyl alcohol, retaining geometric configuration
03/1996
03/28/1996DE4434238A1 Microporous plastic sheets with controlled porosity
03/27/1996EP0702626A1 Method for bonding a porous medium to a substrate
03/27/1996EP0702593A1 Device and method for separating plasma from a blood product
03/26/1996US5501722 Natural gas treatment process using PTMSP membrane
03/20/1996EP0701472A1 Porous membranes and methods for making
03/20/1996CN1031320C Asymmetric semipermeable membrane for treatment of biological fluids
03/19/1996US5500247 Method for production of a continuous web of fluid purifier membrane filter stock material having a low pressure side permeable layer sandwiched between two membrane carrier layers having cast-in place external membranes
03/19/1996US5500167 Method of preparing a supported microporous filtration membrane
03/14/1996WO1995035153A3 Mass transfer method and apparatus
03/14/1996DE4432482A1 Long-life drier for gas, esp. compressed air with low energy requirement
03/13/1996EP0700708A1 Hydrogen recovery by adsorbent membranes
03/13/1996EP0516686B1 Separation by carrier mediated transport
03/13/1996CN1031289C Process for production of asymmetrical gas separating membrace
03/12/1996US5498823 Ion-exchange supports for facilitated transport membranes with enhanced selectivity
03/12/1996US5498639 Trifluorostyrene and substituted trifluorostyrene copolymeric ion-exchange membranes
03/12/1996US5498335 Process for forming porous polmyeric product from a nonporous polymeric composition and product
03/12/1996US5498278 Composite hydrogen separation element and module
03/07/1996WO1996006838A1 Polymer membrane having osmotic properties
03/07/1996WO1996006671A1 A membrane having osmotic properties and a method of producing it
03/06/1996EP0699103A1 Surface modified biocompatible membranes
03/05/1996US5496637 Hollow fiber membranes immersed in solution of polyacrylic acid
02/1996
02/28/1996EP0698206A1 Electrochemical sensors
02/28/1996EP0683691A4 Inter-penetrating network charge modified microporous membrane.
02/21/1996EP0697415A1 Cyclodextrin derivatives with at least one nitrogen containing heterocycle, their preparation and use
02/21/1996EP0697242A1 Hollow-fiber blood-purifying membrane and process for producing the same
02/21/1996EP0696935A1 Large pore synthetic polymer membranes
02/21/1996EP0586559B1 Apparatus for forming hollow fibers and said fibers
02/21/1996CN1117272A polymer porous structure and process
02/20/1996US5492947 Barrier material comprising a thermoplastic and a compatible cyclodextrin derivative
02/15/1996WO1996004069A1 Membrane
02/15/1996WO1996004063A1 Ulpa filter
02/15/1996CA2164005A1 Improved ulpa filter
02/14/1996EP0600932B1 Hollow dialysis filament
02/14/1996EP0513390B1 Porous hollow fiber membrane of polyethylene and production thereof
02/14/1996EP0513389B1 Liquid-filtering film and filtering device using said film
02/13/1996US5490938 Liquid dispenser for sterile solutions
02/13/1996US5490931 Fabrication of a fluoropolymer hollow fiber having a defect-free separation layer
02/08/1996WO1996003202A1 Porous composite membrane and process
02/08/1996WO1996003194A1 Fibrous web and process of preparing same
02/06/1996US5489406 Method of making polyvinylidene fluoride membrane
02/06/1996US5489382 Oxygenator using porous hollow fiber membrane
02/01/1996WO1996002317A1 Cellulosic ultrafiltration membrane
02/01/1996WO1996002313A1 High temperature, chemical resistant filtration laminate
01/1996
01/31/1996EP0693961A1 Method for the production of ceramic hollow fibres, in particular hollow fibre membranes for microfiltration, ultrafiltration and gas separation
01/24/1996EP0693026A1 A method of making thin film composite membranes
01/24/1996EP0692996A1 A method for concentrating a solute with an oscillating filtration device
01/18/1996WO1996001144A1 Method of removing filling fluid and other soluble residues from the bore cavity of hollow fibres
01/17/1996EP0691882A1 Composite carbon fluid separation membranes
01/17/1996CN1030691C Hardened gum formed-in-place membranes
01/17/1996CN1030690C Process for producing multilayer polytetrafluoroethylene porous membrane
01/17/1996CN1030689C Dry high flux semipermeable membranes
01/16/1996CA1337932C Affinity membranes having pendant hydroxy groups and processes for the preparation and use thereof
01/11/1996WO1996000608A1 Gas separator and method for producing the same
01/11/1996DE4423167A1 Verfahren zur Entfernung von Lumenfüllern und anderen löslichen Rückständen aus Hohlfäden A process for removing lumen fillers and other soluble residues from hollow filaments
01/10/1996EP0702626A4 Method for bonding a porous medium to a substrate
01/10/1996EP0690743A1 Gas plasma polymerized permselective membrane
01/10/1996EP0579749B1 Fiber spinning process and product thereof
01/10/1996CN1030643C Separation method and separating agent
01/04/1996WO1996000260A1 A barrier material comprising a thermoplastic and a compatible cyclodextrin derivative
01/04/1996WO1996000125A1 Porous membranes and methods for making
01/03/1996EP0689863A1 Multilayered microfiltration membrane with integral pre-filter layer and process for preparing the same
01/03/1996CN1114237A Ionic exchange membrane using polypropylene micro-porous membrane as basal membrane and making method thereof
01/02/1996US5480598 Process of and apparatus for making hollow fibers
01/02/1996US5480554 Capable of undergoing wetting/drying cycles without damage, measurement of pore size
01/02/1996US5480552 Blood dialysis; dual-skinned membranes
12/1995
12/28/1995WO1995035155A1 Filter unit for micro- and ultrafiltration and a method of manufacturing same
12/28/1995WO1995035154A1 Heterogeneous material housed in a porous, permeable rigid support
12/28/1995WO1995035153A2 Mass transfer method and apparatus
12/28/1995CA2193821A1 Mass transfer method and apparatus
12/27/1995EP0688569A1 Multifunction device for blood treatment
12/26/1995US5478372 Stretched, porous polytetrafluoroethylene membrane laminated to polyether ether ketone-coated metal mesh; air filters
12/21/1995WO1995034373A1 Monofilament spacing of hollow fiber membranes and blood oxygenation devices incorporating same
12/21/1995CA2191438A1 Monofilament spacing of hollow fiber membranes and blood oxygenation devices incorporating same
12/20/1995EP0687200A1 Exothermic process with porous means to control reaction rate and exothermic heat
12/20/1995EP0687195A1 Multilayer filter material
12/20/1995EP0687186A1 Method for producing viral protective barrier materials
12/19/1995US5476589 Porpous PTFE film and a manufacturing method therefor