Patents for B01D 67 - Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus (11,858) |
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11/16/1999 | US5985328 Micromachined porous membranes with bulk support |
11/16/1999 | US5985164 Method for forming a filter |
11/11/1999 | DE19819902A1 Production of conducting polymer film, used in e.g. solar cell and sensor |
11/10/1999 | CN1234748A Polycrylonitrlle-based hollow-fiber filtration membrane |
11/09/1999 | US5981614 Hydrophobic-oleophobic fluoropolymer compositions |
11/09/1999 | US5980987 Method of making a composition for separating and concentrating certain ions from mixed ion solutions |
11/09/1999 | US5980795 Method of producing hollow fiber polymer membranes |
11/09/1999 | US5980746 Membrane and methods of preparing and using same |
11/09/1999 | US5980709 Method of defining an electrode area |
11/09/1999 | US5979670 Large pore synthetic polymer membranes |
11/04/1999 | WO1999055449A1 Membrane which comprises a blend of a polysulphone or a polyether sulphone and polyethylene oxide/polypropylene oxide substituted ethylene diamine |
11/03/1999 | EP0749352B1 Microfabricated particle filter |
11/02/1999 | US5977229 Hydrophilically modified polyethylene resins |
11/02/1999 | US5976434 Method for preparing hydrophilic polypropylene membrane |
11/02/1999 | US5976380 Article of manufacture including a surface modified membrane and process |
10/28/1999 | WO1999022836A3 Treatment of composite polyamide membranes with hypochlorite to improve performance |
10/27/1999 | EP0951935A2 Method and apparatus of regenerating flat membrane modules for activated sludge |
10/27/1999 | EP0951502A1 Porous moulded bodies of thermoplastic polymers |
10/27/1999 | EP0951498A1 Melt-spun polysulfone semipermeable membranes and methods for making the same |
10/26/1999 | US5972449 Porous products manufactured from polytetrafluoroethylene treated with a perfluoroether fluid and methods of manufacturing such products |
10/21/1999 | DE19917312A1 Unit for determining position eg. liquid level has magnetostrictive wire led through measurement zone and at least one magnet movable through zone to trigger disturbances in wire |
10/20/1999 | EP0949959A2 Polymeric membranes and polymer articles having hydrophilic surface and method for their preparation |
10/19/1999 | US5969082 Application of sulfone, ketone and ester containing polyalkyl ether units to medical materials |
10/19/1999 | US5969020 Uniform matrix containing dispersion of crystalline additive in crystalline thermoplastic resin formed by melting, then solidification and solvent extraction of additive, for drug delivery or medical equipment, bioabsorbable |
10/19/1999 | US5968366 Zeolite containing composition with a selectivity enhancing coating |
10/19/1999 | US5968358 Method for washing hollow fiber membrane |
10/14/1999 | WO1999051765A1 Method for detecting micro-organisms in gases |
10/14/1999 | WO1999051330A1 Organic ion-selective membranes |
10/14/1999 | CA2330463A1 Organic ion-selective membranes |
10/13/1999 | EP0948993A1 Porous polytetrafluoroethylene membrane |
10/13/1999 | EP0948746A1 Membrane and methods of preparing and using same |
10/13/1999 | EP0948392A1 Microporous membranes and uses thereof |
10/07/1999 | WO1999050203A1 Chemical control over ceramic porosity using carboxylate-alumoxanes |
10/07/1999 | WO1999037340A3 Biological fluid treatment system |
10/07/1999 | DE19814715A1 Gelatinemembranfilter, Verfahren zu ihrer Herstellung und ihre Verwendung Gelatin membrane filters, processes for their preparation and their use |
10/07/1999 | CA2327097A1 Chemical control over ceramic porosity using carboxylate-alumoxanes |
10/07/1999 | CA2265433A1 Porous polytetrafluoroethylene membrane |
10/06/1999 | EP0947545A1 Process for preparing highly permeable microporous polyolefin film |
10/06/1999 | EP0946354A1 Highly asymmetric, hydrophilic, microfiltration membranes having large pore diameters |
10/06/1999 | EP0946250A1 Hydrophilic polymeric phase inversion membrane |
10/06/1999 | EP0946220A1 Reactive coatings |
09/30/1999 | WO1999048959A1 Microporous polyolefin film |
09/28/1999 | US5958989 Highly asymmetric ultrafiltration membranes |
09/23/1999 | WO1999047593A1 Microporous film |
09/23/1999 | WO1999047335A1 Process of making reinforced, three zone microporous membrane |
09/23/1999 | WO1999047247A1 Solvent-resistant pan (polyacrylonitrile) membrane |
09/23/1999 | WO1999047246A1 Reinforced, three zone microporous membrane |
09/23/1999 | WO1999032204A3 Permeable compositions and methods for their preparation |
09/23/1999 | CA2322855A1 Microporous membrane |
09/22/1999 | EP0943645A2 Solvent- and acid-stable membrane based on acrylonitrile copolymer and process for producing such a membrane |
09/22/1999 | EP0735852B1 Liquid dispenser for sterile solutions |
09/21/1999 | US5955029 Solid substrate microfabricated to define sample inlet port and mesoscale flow system, means to thermally regulate contents and to detect amplified polynucleotide by aggregation |
09/21/1999 | US5954966 Membrane composition and method of preparation |
09/21/1999 | CA2181189C Mesoscale polynucleotide amplification devices |
09/16/1999 | WO1999046034A1 Composite hollow fiber membrane and its manufacture |
09/07/1999 | US5948519 Battery separator |
09/07/1999 | US5948255 Microfabricated particle thin film filter and method of making it |
09/02/1999 | DE19811998C1 Solvent-resistant polyacrylonitrile membranes, useful especially for ultra- and nanofiltration |
08/26/1999 | WO1999042204A1 Process of forming a permeable gas separation material |
08/25/1999 | EP0589897B1 Method of making membranes |
08/24/1999 | US5942120 Composite microporous ultrafiltration membrane, method of making thereof, and separation methods |
08/19/1999 | WO1999041001A1 Methods and systems for producing a plurality of different microporous phase inversion membranes each having any one of a plurality of different pores |
08/19/1999 | WO1999040997A1 Membrane laminates and methods for their preparation |
08/19/1999 | WO1999040996A1 Selective membrane and process for its preparation |
08/19/1999 | WO1997036994A8 Sensor and modified membrane for the sensor |
08/18/1999 | EP0935494A1 Cationically charge-modified membranes |
08/17/1999 | US5939314 Distributed pore chemistry in porous organic polymers in tissue culture flasks |
08/17/1999 | US5939198 Porous polytetrafluoro-ethylene and preparation |
08/17/1999 | US5938929 Polysulfone hollow fiber semipermeable membrane |
08/17/1999 | US5938923 Microfabricated filter and capsule using a substrate sandwich |
08/10/1999 | US5936106 Process with porous means to control reaction rate and heat |
08/10/1999 | US5936004 Strongly basic anion-exchanging molded bodies and a method of manufacturing the same |
08/10/1999 | US5935845 Distributed pore chemistry in porous organic polymers |
08/10/1999 | US5935646 Depositing an inorganic-organic polymer hybird having at least one organic constituent and inorganic constituent, on a porous substrate and removing at least a portion of the organic constituent forming a porous film; small pore size |
08/10/1999 | US5935436 Device for simultaneously removing leukocytes and methylene blue from plasma |
08/10/1999 | CA2134476C Fluid handling in microfabricated analytical devices |
08/05/1999 | WO1999038604A1 Expanded porous thermoplastic polymer membranes and method and device for the production thereof |
08/05/1999 | DE19803362A1 Geschäumte poröse Membranen aus thermoplastischen Polymeren sowie Verfahren und Vorrichtung zu ihrer Herstellung Foamed porous membranes of thermoplastic polymers as well as methods and apparatus for their preparation |
08/03/1999 | US5932104 Filtration membrane for oleophilic organic liquids, method for producing it, and method for filtering oleophilic organic liquids |
07/29/1999 | WO1999037340A2 Biological fluid treatment system |
07/29/1999 | CA2319261A1 Biological fluid treatment system |
07/28/1999 | EP0931583A1 Spiral wound type membrane module |
07/27/1999 | US5929587 Method and apparatus for controlling servomotor in two inertial systems |
07/27/1999 | US5928880 Separating target cells from a fluid sample using bound proteins in multicompartmented container; quick, efficient diagnosis |
07/27/1999 | US5928792 Process for making surface modified porous membrane with perfluorocarbon copolymer |
07/27/1999 | US5928774 Highly asymmetric ultrafiltration membranes |
07/27/1999 | US5928582 Irradiation and thermal induction phase separation techniques, during manufacture, microsphereulites are created by irradiation of curable agents in a casted polyolefin film |
07/22/1999 | WO1999025788A3 Liquid crystalline single crystal hydrogels with high double refraction |
07/15/1999 | DE19811997C1 Solvent- and acid-stable copolyacrylonitrile membrane suitable for autoclave sterilization |
07/14/1999 | EP0838084A4 Multilayer high vertical aspect ratio thin film structures |
07/13/1999 | US5922791 A plurality of polyimide blends comprising a solvent, and a critical solution temperature adjustment agent to enhance the miscibility of polyimides in solution |
07/13/1999 | US5922210 Tangential flow planar microfabricated fluid filter and method of using thereof |
07/08/1999 | DE19817364C1 Hydrophilic asymmetric membrane used in ultrafiltration and reverse osmosis |
07/07/1999 | EP0927572A2 A polysulfone based hollow fiber membrane, and a process for preparing the same |
07/07/1999 | CN1222169A High water content porous polymer |
07/07/1999 | CN1221649A Method for prepn. of permeation vaporization compound membrane |
07/06/1999 | US5919370 Made from epsilon-caprolactam-soluble polymers; hemodialysis, hemodiafiltration or hamofiltration |
07/06/1999 | CA2134477C Analysis based on flow restriction |
07/06/1999 | CA2134475C Polynucleotide amplification analysis using a microfabricated device |
07/06/1999 | CA2134474C Microfabricated sperm handling devices |